Redux Jobs in Noida

Position Title: Senior Frontend Engineer (ReactJS) Location: Noida Employment Type: Full-Time Experience: 4 7 Years Must-Have Skills: JavaScript, ReactJS, Next.js About QueueBuster (DPD Technologies) QueueBuster , a product of DPD Technologies, is a leading retail-tech platform transforming how businesses manage their day-to-day operations. Powering over 75,000+ merchants worldwide, QueueBuster delivers a full suite of POS solutions, including Billing, Inventory, Digital Khata (Ledger), CRM, Loyalty Programs, eStore Integration, and Detailed Reporting. Serving industries such as retail, F&B, electronics, and FMCG, we empower businesses of every size from large format stores to small kiosks to operate smarter and scale efficiently. At QueueBuster, we foster a culture of innovation, creativity, and collaboration. Join us to build the future of retail tech. Role Overview We are seeking a Senior Frontend Engineer with deep expertise in ReactJS and modern frontend technologies. You ll play a critical role in building intuitive, responsive, and scalable user interfaces that enhance the customer experience. You will work closely with product managers, designers, and backend developers to bring our vision to life delivering pixel-perfect, high-performance, and maintainable applications. Key Responsibilities Collaborate with cross-functional teams to define and implement UI/UX requirements. Build and maintain high-quality, reusable, and scalable components using React.js and Next.js. Develop features with performance and responsiveness in mind across various devices and browsers. Write clean, maintainable code and ensure component and unit testing using tools like Jest or Mocha. Debug issues, troubleshoot bugs, and proactively optimize application performance. Ensure adherence to best practices in frontend architecture, code quality, and design patterns. Participate in peer code reviews and contribute to improving development processes. Stay up to date with emerging technologies and frameworks, and bring fresh ideas to the team. Document features, processes, and workflows clearly and effectively. Required Skills & Qualifications Bachelor s degree in Computer Science, IT, or a related technical field. 4 7 years of experience in frontend web development with React.js. Strong command over JavaScript (ES6+), HTML5, CSS3, and DOM manipulation. Hands-on experience with React.js, Redux, Next.js, Flux, and Webpack. Familiarity with RESTful APIs and integration with frontend applications. Experience using frontend build tools such as Babel, NPM, Yarn, etc. Exposure to UI/UX design and translating wireframes into functional components. Proficiency in browser debugging tools and performance optimization. Experience with unit testing frameworks like Jest, Mocha, or similar. Good understanding of software development best practices, version control (e.g., Git), and Agile methodologies. Ability to convert complex business requirements into functional and efficient front-end features. Preferred Qualifications High ownership mindset and a proactive approach to problem-solving. Excellent oral and written communication skills. Strong organizational skills with the ability to manage multiple tasks and priorities. Willingness to explore new tools, technologies, and design patterns. Experience in maintaining technical documentation and process flows. Exposure to working in a product-based startup environment is a plus. Work with a fast-growing, high-impact tech product trusted by thousands of businesses. Be part of a collaborative and forward-thinking engineering team. Get hands-on experience building scalable systems and world-class UI. Opportunity to grow, take ownership, and influence the product roadmap. Qualification : Bachelors degree in Computer Science, IT, or a related technical field

Job Title: Senior Software Engineer I ReactJS Job Summary We are looking for a Senior Software Engineer I with expertise in ReactJS to join our development team. The ideal candidate will be responsible for designing, developing, and optimizing modern web applications with a focus on performance, scalability, and maintainability. Key Responsibilities Frontend Development: Design and develop scalable and high-performance web applications using ReactJS. Implement responsive and user-friendly UI components. Optimize applications for maximum speed and scalability. Collaboration & Code Quality: Work closely with backend engineers, UX designers, and product teams. Ensure code quality through proper testing, code reviews, and best practices. Problem-Solving & Innovation: Identify and resolve performance bottlenecks. Stay updated with the latest ReactJS trends and best practices. Required Skills & Experience Core Skills: Strong hands-on experience in ReactJS. Knowledge of JavaScript (ES6+), TypeScript, and front-end frameworks. Experience with state management libraries (Redux, Context API). Proficiency in HTML5, CSS3, and modern UI frameworks (Bootstrap, TailwindCSS, Material-UI, etc.). Familiarity with RESTful APIs and integrating front-end applications with backend services. Good to Have: Experience with Next.js. Knowledge of testing frameworks (Jest, React Testing Library). Understanding of CI/CD pipelines and DevOps processes. Apply Now and be part of a dynamic team building next-gen web applications!

Trainee Tendering & Costing (Panels-CES) Group Company: Jakson Limited Location: Noida Division: Tendering & Costing Employee Type: Trainee Position Overview We are seeking a Trainee for the Tendering & Costing team to assist in the preparation of offers, evaluation of tenders, and coordination with various departments. The role involves generating new inquiries, preparing techno-commercial offers, and supporting cost optimization efforts to ensure competitive pricing. Key Responsibilities Assist in preparing techno-commercial offers for panels. Prepare technical replies and revise offers as per customer requirements. Manage the booking process for Panel OSS and coordinate with the Operations department. Evaluate costing and specifications, performing value engineering to reduce costs where possible. Maintain MIS reports on cost-saving initiatives resulting from value engineering. Update the monthly MIS report sheet for OSS of panels booked. Coordinate with vendors for technical confirmation and identify economically viable substitute products. Ensure timely arrangement of technical documents as per tender requirements (e.g., datasheets, GA drawings, test certificates). Review final approved drawings in relation to BOM and cost offerings, collaborating with the Design and Operations departments for final confirmation. Maintain accuracy in cost estimates, keeping proper documentation and price backups. Knowledge and application of relevant BS/IS standards for Panels and Switchgear. Preferred Educational Qualifications Degree: Bachelor of Technology (BTech) in Engineering Required Experience 3-8 years of experience in a similar role in tendering and costing for panels and switchgear. Required Competencies Knowledge of tender document preparation and evaluation. Understanding of product standards and specifications related to panels and switchgear. Awareness of market trends and competitor analysis. Ability to identify and track new product segments for cost optimization. Qualification : Bachelor of Technology (BTech) in Engineering

Position: Deputy Manager Risk Management (Fraud Analytics) Location: Noida, Uttar Pradesh Department: Analytics Risk Operations (Offline Payments) Employment Type: Full-time About Paytm Paytm is India s leading mobile payments and financial services distribution company, and the pioneer of the mobile QR payments revolution. Our mission is to serve 500 million Indians and integrate them into the formal economy through cutting-edge technology that empowers small businesses and consumers alike. About the Team The Risk Analytics team plays a critical role in safeguarding the integrity of Paytm's ecosystem. We focus on proactive fraud detection, building robust risk controls, and driving strategic decision-making through data insights. Every challenge is an opportunity here and meaningful change starts with our people. With 500+ million registered users and over 21 million merchants, Paytm offers unmatched data depth and scale. This is your opportunity to be part of India s largest digital lending transformation. If you're passionate about creating impact, building scalable risk frameworks, and working in a fast-paced fintech environment this is the place for you. Role Overview As Deputy Manager Fraud Analytics, you will be instrumental in developing and managing fraud prevention strategies across Paytm s payment platforms. You ll support real-time fraud monitoring, rule configurations, analytics, and compliance. This role works closely with stakeholders across Risk Ops, Engineering, Product, and Compliance. Key Responsibilities Develop and optimize fraud detection models using rule-based and data-driven approaches Monitor real-time transactions to identify suspicious activity; escalate issues and recommend corrective actions Configure and fine-tune rules in fraud monitoring systems to reduce false positives and improve accuracy Analyze transaction patterns and fraud trends to preemptively address vulnerabilities Collaborate with internal teams (Risk, Product, Compliance) to align fraud mitigation with business goals Support regulatory compliance and internal control projects in accordance with RBI guidelines Generate periodic reports and dashboards for senior management on fraud insights and emerging risks Assist in audit responses and handle fraud-related queries from regulatory bodies Drive continuous improvement in fraud detection tools, techniques, and operational processes Required Qualifications & Skills Bachelor s degree in Data Analytics, Risk Management, Statistics, or a related field 4 8 years of experience in fraud analytics, risk management, or payments risk in fintech or BFSI Strong knowledge of fraud detection techniques and transaction monitoring systems Experience in configuring fraud rules and analyzing fraud patterns in high-volume environments Familiarity with RBI regulatory frameworks and guidelines governing payment platforms Excellent analytical and problem-solving skills Strong verbal and written communication skills, with the ability to present insights to both technical and non-technical teams Experience working with UPI, wallets, or other real-time payment systems Preferred Skills Exposure to machine learning models for fraud detection Experience in licensed TPAP (Third Party App Provider) setups Understanding of regulatory audits, compliance standards, and fraud risk reporting in a regulated environment What You ll Get A chance to be part of India s largest digital lending story Fast-paced, high-impact role in a leading fintech organization Opportunity to create tangible value for millions of users and merchants A collaborative, meritocratic culture that rewards performance Competitive compensation and career growth potential Join us on our mission to redefine financial inclusion in India. Be a part of something transformative. Be a part of Paytm. Qualification : Bachelors degree in Data Analytics, Risk Management, Statistics, or a related field

Position: General Manager Operations Excellence (Strategy & Transformation) Location: Noida, Uttar Pradesh Department: Merchant Operations Employment Type: Full-time About Paytm Paytm is India s leading mobile payments and financial services distribution company. As the pioneer of mobile QR payments, we build innovative technologies that empower millions of small businesses with seamless payment and commerce solutions. Our mission is to bring half a billion Indians into the mainstream economy through the power of technology. About the Role We are seeking a dynamic and experienced leader to spearhead operational excellence initiatives across our merchant ecosystem. As General Manager Operations Excellence, you will own the end-to-end strategy and execution of merchant onboarding, engagement, and support. You will also lead the lifecycle management of our Field Sales Executives (FSEs), ensuring performance, productivity, and retention are optimized. This is a high-impact role that requires a strategic thinker with a hands-on approach and a deep understanding of field operations. Key Responsibilities Merchant Lifecycle Management Develop and execute scalable processes to onboard, support, and retain merchants across regions. FSE Strategy & Execution Lead the hiring, training, and performance management of Field Sales Executives. Drive initiatives that improve field productivity, reduce attrition, and enhance merchant experience. Operational Excellence & Process Innovation Identify bottlenecks in field operations and implement practical solutions by collaborating with cross-functional teams (product, tech, legal, and more). Performance Analytics Build systems to track KPIs for FSEs and merchant operations. Leverage data to generate insights, implement feedback loops, and continuously improve team performance. Field Sales Leadership Foster a culture of accountability and operational discipline. Share and implement field best practices across teams and regions. Strategic Roadmapping Drive planning and execution aligned with company goals. Own outcomes with a strong focus on business impact. Communication & Reporting Maintain clear, structured communication with internal stakeholders and leadership. Deliver regular updates, reports, and recommendations. Experience: 10+ years of experience in merchant operations, field sales, business operations, or consulting Proven track record of leading and scaling field operations in high-growth environments (fintech, e-commerce, or retail preferred) Skills & Attributes: Strong operational and analytical skills Excellent leadership, communication, and stakeholder management Strategic thinker with an execution-first mindset Ability to navigate ambiguity and work independently High bias for action and results Educational Background: MBA or equivalent postgraduate degree preferred Work in a merit-driven, fast-paced fintech environment with a wide canvas for growth and innovation Be a part of a mission-driven company that is transforming digital commerce at scale Collaborate with top talent across domains in an agile, flat, and inclusive organizational culture Opportunity to drive large-scale impact across 500M+ users and 21M+ merchants Qualification : MBA or equivalent postgraduate degree preferred

Job Title: Enterprise Sales Manager Location: Noida, India (Work from Office) Job Type: Full-Time Industry: Technology | SaaS | Conversational AI About Rezo.AI At Rezo.AI, we are transforming customer experiences through our AI-Powered CX Cloud, which automates and analyzes customer interactions at scale across voice and non-voice channels in 30+ languages. Founded by IIT alumni Manish and Rashi Gupta in 2018, our platform is designed to help enterprises reduce churn and boost revenue without increasing operational costs. Our AI-driven APIs enable real-time 24x7 intelligent automation, providing instant responses with minimal human involvement making customer experience smarter, faster, and more cost-effective. The Problem We Solve Traditional contact centers are overwhelmed by query volumes, understaffed teams, and outdated systems resulting in poor support, customer churn, and revenue loss. Rezo.AI addresses this with its next-gen conversational AI platform scaling intelligent support at low costs. About the Role: Enterprise Sales Manager (7+ Years Experience) We are seeking an experienced and results-driven Enterprise Sales Manager to join our growing team. This role is ideal for professionals with a strong background in B2B, SaaS, or Conversational AI sales who can confidently manage complex sales cycles, drive new business, and work closely with CXO-level stakeholders. Responsibilities Own the complete sales cycle: from prospecting to closing for large enterprise accounts. Identify and convert new logo opportunities in the assigned region/industry vertical. Build and nurture CXO-level relationships, understanding client pain points and mapping solutions effectively. Present tailored solutions using consultative and concept-based selling approaches. Collaborate with pre-sales and product teams to tailor and deliver high-impact demos. Track and achieve quarterly/annual revenue targets. Stay up to date with market trends, competitors, and emerging technologies in the CX automation and AI domains. Requirements 7+ years of experience in Enterprise Sales, SaaS, or Conversational AI solutions. Strong understanding of solution and concept selling in the B2B domain. Proven experience in selling platforms such as CRM, ERP, CPaaS, Contact Center Solutions, or similar technologies. Ability to engage with C-suite executives and decision-makers. Technologically adept comfortable understanding and explaining complex solutions. Excellent communication, presentation, and negotiation skills. Highly driven, proactive, and comfortable working in a fast-paced startup environment. Life at Rezo.AI Open culture with regular town halls and full business transparency. Relaxed, inclusive, and collaborative work environment. Autonomy, ownership, and constant learning backed by cutting-edge tools and mentorship. Balanced work-life culture and company-sponsored off-sites to unwind with the team. Perks & Benefits Best-in-class health insurance & mental wellness programs. Flexible, contemporary leave policy (beyond standard sick leaves). Learning-first culture with access to training, mentorship, and growth opportunities. Join a fast-scaling AI SaaS startup with ambitious goals and a dynamic work environment. Work alongside top talent across AI, engineering, and enterprise sales. Play a key role in transforming enterprise CX with one of the most advanced AI platforms in the space. Thrive in a diverse, merit-driven organization where your ideas and work create real impact.

Job Description Design, provision and maintain AWS Infrastructure in accordance with compliance and security standards of Rxlogix. Exceptional experience and expertise on AWS Prepare, review, approve and maintain Architecture document for various customers. Interact with Customer Technical teams to gather information and provision infrastructure, in the capacity of Infra Lead Provide design analysis and cost estimation to support sales efforts Act as Subject Matter Expert in addressing and resolving AWS and IT infrastructure issues Extensive knowledge on Automation on Cloud Ensure support for compliance and customer Audits Perform cost effective design changes to reduce cloud spending. Train the team members on the AWS cloud best practices, microservice best practices, components interface best practices and interface methodology. Improve the delivery capabilities by validating and implementing frameworks using latest DevOps tools and technologies. Provide strategic and tactical solutions for technical issues. Active participation in executing AWS cloud related projects initiation to completion Technical Skills Excellent AWS hands on skills, such as Lambda, Cloud Formation or similar (Terraform, SaltStack), SSM, KMS, S3, RDS, EC2, Load Balancers, Route53, etc. Preferably AWS Architect Professional Excellent knowledge on AWS Security, such as AWS Security Hub, Guard duty, Inspector, SGs, NACLs, etc Provision of critical system security by leveraging best practices and prolific cloud security solutions. Network Administration VPC, SG, NACLs, Subnets, VPN, Gateways, Open VPN, IPSec/Site to Site VPN, etc. For cloud environments, establishing new DevOps practices. Managing production infrastructure with Terraform, CloudFormation, etc. Good understanding of CI/CD tools, practices, process & applications like Ansible, Salt, Git, Jenkins, etc. Excellent knowledge on Monitoring/SIEM tools in AWS environments Soft Skills: Must have good analytical and problem-solving skills Excellent written and verbal communication skills Team Leadership exp a must Should have good experience working with customers Preferences: B.Tech./BE from a reputed institute Product/Pharma Company Qualification : B.Tech./BE from a reputed institute

Role Overview: Sr. Technical Lead - SDET As a Senior Technical Lead - SDET (Software Development Engineer in Test), you will work within an Agile team in the Thales DIS/MCS Business Line, supporting the Adaptive Connect (TAC) feature team. This role requires you to design, build, test, and deploy automated testing solutions that minimize manual effort, ensuring product quality. You will also work closely with MCS teams and customers to understand needs and contribute to the continuous improvement of products. Key Responsibilities: Automation & Testing Solutions: Design and develop automated test scripts and testing frameworks to reduce manual testing efforts. Execute comprehensive validation plans and develop test automation strategies. Cross-functional Collaboration: Work with various MCS teams and customers to define product requirements and features. Ensure the development roadmap for your components is clear and align with overall project objectives. Continuous Integration & Deployment: Lead the implementation of CI/CD pipelines using GitLab, ensuring seamless integration and deployment of features. Microservices & Cloud Platforms: Work with microservice architecture using Java, and ensure scalability and performance of cloud-based applications. Apply knowledge of Docker, Kubernetes, and Helm for effective deployment. Performance Tuning & Risk Management: Conduct performance assessments and capacity planning for microservice-based applications. Perform risk assessments and create mitigation strategies for potential issues. Security & Best Practices: Implement security best practices, ensuring the security and integrity of the developed solutions. Utilize tools like Sonar and Fortify for static code analysis. Technical Skills: Core Skills: 8+ years of relevant experience in Java and Microservices Architecture. Proficiency with HTTP, HTTPS, SSL/TLS protocols. Experience with performance tuning, capacity planning, and validation in cloud-based microservice applications. Testing & Automation: Expertise in Python and Karate for API test automation. Hands-on experience with GitLab for CI/CD, along with Maven and Mercurial for version control. Cloud & Deployment: In-depth knowledge of Docker, Kubernetes, and Helm for microservice-based architectures. Familiarity with cloud platforms like AWS and GCP. Database & Monitoring: Expertise with SQL databases (e.g., Oracle), with experience in NoSQL databases like Cassandra being a plus. Delivery Tools & Practices: Experience using Agile methodologies such as Scrum and Kanban with tools like Jira, Confluence, and Bitbucket. Soft Skills: Agile Mindset: Understands the importance of validation and the Definition of Done (DoD). Problem-solving: Strong analytical and problem-solving capabilities. Communication: Excellent interpersonal and communication skills, capable of interacting with teams and customers worldwide. Curiosity & Learning: Willing to adapt to new tools, technologies, and ways of working. Team Player: Ability to work autonomously, as well as in close collaboration with the team. Why Join Thales? At Thales, we offer careers, not just jobs. With 80,000 employees in 68 countries, we provide opportunities for career growth and development across multiple sectors. Our mobility policy encourages employees to expand their expertise both locally and internationally. We believe in flexible work solutions, creating a smarter way of working and allowing you to embark on a fulfilling career journey. Great journeys start here. Apply now! Qualification : 8+ years of relevant experience in Java and Microservices Architecture.

Position Overview: We are looking for an experienced and detail-oriented Email Marketer Expert to join our team. In this role, you will be responsible for planning, developing, implementing, and maintaining the company s email marketing strategy to help achieve business objectives. You will design and execute campaigns that engage our target audience, nurture leads, and drive results. Roles and Responsibilities: Audience Targeting & List Building: Identify target audiences and grow our email subscriber list. Strategy Development: Design and implement an effective email marketing strategy that aligns with business goals. Campaign Creation & Optimization: Develop, design, and optimize email campaigns, including templates and segmented lists. Performance Testing & KPIs: Test each campaign s effectiveness, tracking key email marketing KPIs. Segmentation: Create targeted email lists based on behaviors such as past engagement and website interactions. Lead Generation: Build and maintain email databases for lead generation purposes. Content Creation: Write engaging newsletters, including company updates and relevant content. Proofreading & Editing: Proofread emails for grammar, clarity, and spelling errors. Template Upgrades: Enhance email templates with graphics, personalization, and mobile-friendly features. Client Communication: Ensure timely and accurate communication with clients to increase email subscriptions and reduce unsubscriptions. Documentation & Reporting: Document email marketing processes, A/B tests, and successful email promotions. Create detailed reports on sales revenue generated from campaigns. Compliance & Best Practices: Ensure all emails adhere to industry policies, regulations, and best practices. Desired Candidate Profile: Proven experience in email marketing, lead nurturing, marketing automation, and web analytics. Strong written communication and copywriting skills. Proficiency in marketing automation platforms. Hands-on experience with HTML and content management systems (CMS). Knowledge of SEO/SEM, Google Analytics, and current digital marketing trends. Excellent project management and organizational skills. Creative thinker with a critical problem-solving approach. Bachelor's degree in Marketing or a related field. Benefits: Competitive salary with a performance-based incentive structure. Comprehensive health and wellness benefits package. Opportunities for professional growth and leadership development. A supportive and innovative work environment. Exposure to a wide range of industries and high-profile clients. Additional Highlights: Over 15 years of industry expertise. A pioneering presence in the Digital Industry, recognized as industry trailblazers. Qualification : Bachelors degree in Marketing or any related field.

Process Lead / Process Engineer Location: Noida Experience: 5 20 Years Industry: Chemical Process | Oil & Gas | Refinery | Petrochemical | Fertilizer Employment Type: Full-Time Role Overview: We are seeking an experienced Process Lead / Process Engineer to join our engineering team. The ideal candidate will have a strong background in process design and engineering within sectors such as oil & gas, refineries, petrochemicals, fertilizers, or chemical process plants. This role involves technical review and enhancement of basic engineering packages (BEPs), ensuring optimum operability, and driving value engineering. Key Responsibilities: Basic Engineering Package (BEP) Review Analyze and provide value-added recommendations to basic engineering packages for improved operational efficiency. Identify areas for optimization in plant operability and process control. Process Design Optimization Provide technical input for the design and selection of pumps, control valves, and other critical process equipment. Review and validate process data sheets for control valves, flow transmitters, level instruments, etc. Stakeholder Coordination & Communication Lead and participate in internal departmental meetings, client discussions, vendor interactions, and management reviews. Ensure clear and consistent communication across all project stakeholders. Required Skills & Qualifications: Bachelor s degree in Chemical Engineering or related field (Master s preferred for senior roles) 5 to 20 years of experience in process engineering in relevant industries Strong understanding of process instrumentation, control systems, and equipment design Proven ability to review and improve basic engineering documentation Effective leadership, coordination, and interpersonal skills Strong communication skills, both written and verbal Preferred Industry Experience: EPC/EPCM companies or plant owners in sectors including: Oil & Gas Refineries Petrochemicals Fertilizers Chemical Process Plants If you're passionate about driving engineering excellence and optimizing complex industrial processes, apply now to be a part of our growing team. Qualification : Bachelors degree in Chemical Engineering or related field (Masters preferred for senior roles)

Role Overview: As an Individual Contributor, you will play a key role in designing, refining, and improving product development processes. You will lead teams in the creation of new products, solutions, and processes, and ensure they align with efficiency, sustainability, and quality standards. Key Responsibilities: Product Development & Testing: Design, implement, and refine product development, testing, and manufacturing processes. Team Leadership: Lead teams in developing new products and solutions while coordinating project logistics and resource allocation. Efficiency & Sustainability: Strive to improve the efficiency of processes and product designs, reducing waste and ensuring sustainability. Resource Management: Secure resources for teams and propose capital investments. Manage project budgets and cost management strategies. Communication & Advocacy: Communicate technical information to non-technical stakeholders, including team members, investors, and customers. Process Compliance & Quality Assurance: Ensure that processes meet quality and safety compliance standards and work towards system resilience and continuity. Cross-functional Collaboration: Work closely with other team leaders and departments to achieve company goals. Key Skills and Experience Required: Technical Expertise: Proficiency in programming languages such as C, C++, Java, Python, GO, and hands-on experience with relational databases like MySQL, Postgres. Web & Cloud Technologies: Familiarity with web API calls, cloud technologies (AWS, Azure, Google Cloud), and related tools like Terraform and configuration management. System & Network Engineering: Experience with Linux production environments, internet protocols, and large-scale operations. Knowledge of networking concepts, protocols, and technologies. CI/CD Tools: Experience with CI/CD tools like Jenkins, Spinnaker, GitLab, and Azure DevOps. Leadership & Project Management: Strong leadership, team building, mentoring, and project management skills. Critical Thinking & Communication: Excellent problem-solving, communication, and interpersonal skills, with the ability to manage conflicts and provide clear documentation. Internal Opportunities: At Adobe, creativity and constant learning are central to your career growth. This position offers an exciting opportunity to contribute and grow within the company. Qualification : Preferred qualification BE/B.Tech/MCA/M.Tech