Senior Java Developer Backend (FinTech / Payments)

Location: Chennai
Experience: 7–9 Years
Employment Type: Full-time, Permanent
Notice Period: Candidates who can join within 15 days will be preferred

About the Role

We are looking for a Senior Java Developer / Tech Lead with 7–9 years of strong hands-on experience in Java backend development for our client, microservices, system architecture, and production engineering.

The candidate should have experience working as a Tech Lead or in a technical leadership capacity, with the ability to drive technical decisions, contribute to architecture, and still remain hands-on with development.

Role & Responsibilities

- Lead the technical design and development of scalable backend microservices using Java and Spring Boot.
- Own backend services end-to-end — architecture, design, development, deployment, and production support.
- Design and evolve REST APIs for internal teams and external partners.
- Participate in and contribute to system architecture and high-level technical design decisions.
- Design solutions for scalability, reliability, performance, security, and maintainability.
- Work on payment, reconciliation, ledger, transaction, and idempotency-related workflows.
- Work with Kafka/RabbitMQ and handle messaging, ordering, retries, and failure scenarios.
- Troubleshoot and resolve complex production issues with strong root-cause analysis.
- Conduct code reviews and provide technical guidance to developers.
- Collaborate with Product, QA, Business, and client teams to translate requirements into technical solutions.
- Identify technical risks, performance bottlenecks, and opportunities for improvement.
- Mentor team members and contribute to engineering best practices.

Must-Have

- 7–9 years of professional software development experience.
- Strong hands-on experience with Java and Spring Boot.
- Proven experience with Microservices and REST API design/development in production.




- Prior experience as a Tech Lead / Technical Lead or equivalent technical leadership role.
- Hands-on experience contributing to system architecture / solution architecture.
- Strong SQL and database optimization skills.
- Production experience with Kafka or RabbitMQ.
- Solid experience debugging and resolving production issues.
- Good understanding of distributed systems, scalability, reliability, and performance.

Good to Have

- Banking / FinTech / BFSI / Payments / Lending domain experience.
- Docker and Kubernetes.
- AWS / Azure / GCP.
- Spring Cloud — Gateway, Config, Service Discovery, Resilience4j.
- Experience with payment gateways, reconciliation systems, ledgers, or transaction processing.

Preferred Candidate Profile

- A hands-on Tech Lead who can lead technically while continuing to contribute to development.
- Strong experience in backend architecture and designing scalable microservices.
- Has independently owned production systems and complex technical problems.
- Strong communication and stakeholder collaboration skills.
- Experience working with cross-functional and client-facing teams.
- Candidates who can join within 15 days will be strongly preferred.
- Candidates must be currently based in Chennai or willing to relocate to Chennai.

Important Eligibility Conditions

Please DO NOT APPLY if:

- You do not have 7+ years of relevant experience.
- You have not worked in a Tech Lead / technical leadership capacity.
- You do not have hands-on Java + Spring Boot + Microservices experience.
- You do not have experience contributing to system/solution architecture.
- You are not willing to relocate to Chennai.
- You cannot join within a reasonable timeframe. Candidates available to join within 15 days will be preferred.

Perks & Perks

- Competitive compensation based on experience and interview performance.
- Opportunity to work on a FinTech/Payments project.
- Exposure to large-scale backend systems, microservices, and architecture.
- Opportunity to work closely with experienced technical and client teams.
- Qualified growth and opportunities for technical leadership.

📌 Senior Java Developer (Chennai)
🏢 Singaji Software Solution
📍 Chennai