Technical Lead - Backend  About Us:  Paytm is India's leading mobile payments and financial services distribution company. Pioneer of the mobile QR payments revolution in India, Paytm builds technologies that help small businesses with payments and commerce. Paytm’s mission is to serve half a billion Indians and bring them to the mainstream economy with the help of technology.  About the role:  We are looking for a Tech Lead for the Gold Tech team to drive technical direction, architecture, and delivery of Paytm Digital Gold — a high-scale bullion platform serving consumer and merchant use cases at lakhs+ rpm. This role combines hands-on engineering with technical leadership — you will architect solutions, unblock the team, own critical money-path reliability, and partner with Product and Engineering leadership on roadmap and execution. We are building reliable, high-availability financial products and need a Tech Lead who can own modules end-to-end, raise the bar on code quality, and mentor junior engineers. Key Responsibilities: ● Define and evolve technical architecture for Gold services — scalability, reliability, security, and maintainability. ● Lead design and implementation of high-availability, high-volume transactional systems. ● Own end-to-end delivery of major initiatives — breakdown, estimation, risk management, and production rollout. ● Set engineering standards: code quality, review practices, testing strategy, observability, and incident response. ● Drive cross-service integration design. ● Guide the team on Kafka event design, scheduler orchestration, CDC pipelines, and data consistency patterns. ● Mentor and grow engineers (SSE and below); conduct reviews, pair on complex problems, and build team capability. ● Contribute hands-on to critical modules; unblock the team on complex bugs, performance issues, and production fires. ● Represent Gold Tech in architecture reviews, tech debt prioritization, and platform-wide initiatives. Skills Required: ● MS or BS/B.Tech in Computer Science or equivalent experience from a top college. ● 6–10 years of backend engineering experience, with 2+ years in a tech lead / senior IC role. ● Deep expertise in Java (J2EE/Spring Boot) and/or Node.js at scale; ability to lead across a polyglot stack. ● Strong proficiency in Spring Boot, Hibernate/JPA, REST API design, and/or Node.js/Express production systems. ● Expert-level knowledge of MySQL and distributed data stores (Redis, Cassandra, Aerospike, Elasticsearch). ● Hands-on experience with Kafka, message-driven architecture, and Apache Storm or similar large-scale data processing. ● Proven track record of building high-traffic, fault-tolerant financial or transactional systems. ● Strong system design skills — capacity planning, failure modes, idempotency, saga/compensation patterns, caching strategy. ● Excellent data structures, algorithms, and problem-solving skills. ● Strong communication and stakeholder management — can align Product, Engineering, and Operations. ● Customer-focused, thrives in ambiguity, leads by example in a fast-paced, high-ownership environment. Good to Have: ● Experience leading teams in fintech, payments, wealth management, or bullion domains. ● Familiarity with Quartz scheduling, Spring State Machine, Resilience4j, Debezium CDC. ● Experience with multi-tenant / partner-gold architectures and external API integrations. ● Exposure to AWS, observability (Datadog/Prometheus/Grafana), and CI/CD at org scale. ● Experience driving legacy modernization (e.g., Node.js service evolution alongside Java microservices). Why join us:  ● Because you get an opportunity to make a difference, and have a great time doing that  ● You are challenged and encouraged here to do stuff that is meaningful for you and for those we serve  ● You should work with us if you think seriously about what technology can do for people  ● We are successful, and our successes are rooted in our people's collective energy and  unwavering focus on the customer, and that's how it will always be.  ● Learn more about the exciting work we do in Tech by reading our Engineering blogs  Compensation:  If you are the right fit, we believe in creating wealth for you. With enviable 500 mn+ registered users, 21 mn+ merchants and depth of data in our ecosystem, we are in a unique position to democratize credit for deserving consumers & merchants – and we are committed to it.  India’s largest digital lending story is brewing here. It’s your opportunity to be a part of the story!