Senior Backend Engineer

Finzly; Chennai District; On-site; INR 2,000,000 - 3,600,000; Full time

Job summary

Finzly is a fintech company shaping the future of banking and payments. The role focuses on architecting and building high-performance microservices using Spring Boot 3.x, with emphasis on scalable APIs, data performance, and robust security.

Ideal candidates have 5+ years of backend experience, 3+ years in microservices, and strong SQL optimization skills, plus familiarity with Docker, CI/CD, and observability tools.

Qualifications

• 5+ years in backend development.
• 3+ years in microservices architecture.
• 2+ years in SQL optimization.
• Experience with containerized deployments and CI/CD.
• Familiarity with observability tools preferred.

Responsibilities

• Architecture: Design resilient, scalable microservices and API gateways with circuit breakers and distributed tracing.
• API Development: Build OpenAPI RESTful APIs with OAuth2/JWT security and Swagger documentation.
• Data & Performance: Optimize SQL queries, indexing, and caching; ensure data consistency across services.
• System Design: Architect high-throughput payment systems and rule engines with concurrency control.
• Quality & DevOps: Write maintainable code and support Docker-based CI/CD workflows.

Skills

Backend development

Microservices

Spring Boot

API design

SQL optimization

Docker

CI/CD

Observability

Tools

Docker

CI/CD

Prometheus

Grafana

ELK

Job description

Headquartered in Charlotte, NC, and founded in 2012 by visionary minds shaping the future of banking and payments in the US,Finzly makes bank transformation radically simple.Our core-independent platform is trusted by some of the market’s leading financial institutions to transform operations and launch new products and services at speed.

We’ve been recognized with 20+ industry awards—including three years in a row as one of the Best and Brightest Places to Work—as well as accolades for Best Parallel Core Technology, Best Corporate Payments Solution, Best Payments-as-a-Service Provider, and Best Trading System. Quite simply, Finzly is known for being the best in everything we do, giving you the perfect opportunity to grow your career with impact.

Architect and build high-performance microservices for mission-critical financial systems using Spring Boot 3.x and distributed system principles.

Key Responsibilities

• Architecture:Design resilient, scalable microservices and API gateways; implement circuit breakers, distributed tracing, and event-driven patterns.
• API Development:Build OpenAPI-compliant RESTful APIs with OAuth2/JWT security and Swagger documentation.
• Data & Performance:Optimize SQL queries, indexing, and caching (Caffeine/Redis); manage distributed data consistency.
• System Design:Architect high-throughput payment systems and rule engines (RuleBook) with a focuson concurrency and thread safety.
• Quality & DevOps:Write clean code with JUnit/Cucumber testing; maintain standards via SonarQube and support Docker-based CI/CD workflows.

Technical Requirements

• Distributed Systems:RESTful design, CAP theorem concepts, and service discovery.
• Database:Advanced SQL, JPA/ORM, Redis, and Caffeine caching.
• Testing:JUnit 5, Mockito, TestContainers, Cucumber, and JaCoCo.

Experience Profile

• 5+ yearsin Backend development.
• 3+ yearsin Microservices architecture and Spring Boot.
• 2+ yearsin SQL and query optimization.
• Background:Strong system design, performance tuning, and experience with containerized/CI-CD deployments.
• Preferred:Financial services/payment systems experience and familiarity with Prometheus/Grafana/ELK.