Senior Java Software Engineer

InRhythm; Bengaluru; On-site; INR 3,000,000 - 6,500,000; Full time

Job summary

InRhythm in Bengaluru is seeking a Senior Java Backend Engineer (L3) to design, develop, and own backend services and APIs. You will work with senior architects to build high-performance, reliable systems and mentor junior engineers while maintaining engineering quality.

This on-site, full-time role requires 7–10 years of Java backend experience, strong Spring Boot/Spring Cloud, and hands-on expertise with microservices and data pipelines.

Qualifications

• 5–8 years of professional Java backend development experience (Java 11/17/21).
• Strong expertise in Spring Boot, Spring MVC, Spring Security, and Hibernate/JPA.
• Experience designing RESTful APIs and microservices architectures.
• Relational databases: PostgreSQL, MySQL, Oracle; NoSQL: Redis, MongoDB, Cassandra.
• Messaging: Kafka, RabbitMQ, or ActiveMQ; containerization: Docker, Kubernetes.
• Git and CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI); testing with JUnit 5/Mockito.
• Strong fundamentals in data structures, algorithms, OOP; JVM internals and multithreading.
• Excellent communication and collaboration in Agile/Scrum.

Responsibilities

• Design, develop, and maintain scalable Java backend services, APIs, and data pipelines.
• Own feature delivery end-to-end from design through testing and deployment.
• Build microservices with Spring Boot, Spring Cloud, and event-driven patterns.
• Write clean, tested, production-ready code following SOLID principles.
• Collaborate with product managers, designers, and frontend engineers.
• Participate in architecture reviews, sprint planning, and code reviews.
• Mentor junior engineers through pairing and knowledge sharing.
• Troubleshoot production issues; improve observability and reliability.
• Contribute to CI/CD improvements and DevOps practices.
• Stay current with industry trends and evaluate new tools/frameworks.
• Create and maintain technical docs for systems, APIs, and runbooks.

Skills

Java

Spring Boot

Spring MVC

Spring Security

Hibernate/JPA

REST APIs

Microservices

Data structures

Algorithms

OOP

JVM internals

Multithreading

Git

CI/CD

Jenkins

TestContainers

JUnit 5

Mockito

Docker

Kubernetes

Kafka

RabbitMQ

ActiveMQ

PostgreSQL

MySQL

Oracle

Redis

MongoDB

Cassandra

GraphQL

gRPC

Terraform

AWS

GCP

Reactive programming

Project Reactor

RxJava

Tools

Docker

Kubernetes

Git

Jenkins

GitHub Actions

GitLab CI

TestContainers

Terraform

Job description

InRhythm (www.inrhythm.com) is a leading modern product consultancy and digital innovation firm with a mission to make a dent in the digital economy. Founded in 2002, InRhythm is currently engaged by Fortune 50 enterprises to bring their next generation of digital products and platforms to market. InRhythm has helped hundreds of teams launch mission‑critical products that have created a positive impact worth billions of dollars.

InRhythm’s unique capabilities of Product Innovation and Platform Modernization services are the most sought‑after in the industry. An Inc. 5000 Hall of Fame Fastest Growing Company for 9 years, Deloitte Fast 500 company for 5 years, and Consulting Magazine Fastest Growing Company winner several years in a row.

Our clients include a broad range of highly visible enterprises including Goldman Sachs, Fidelity, Morgan Stanley, Mastercard.

Job Title: Senior Java Backend Engineer (L3) (Strong Expertise in DSA)

Experience: 7–10 Years Experience

Work Mode: Mon - Fri (On-site) Full-Time

Data Structures & Algorithms

About the Role

We are seeking a talented and driven Senior Java Backend Engineer (L3) to join our engineering team. In this role, you will be a key individual contributor responsible for designing, developing, and owning critical backend services and components. You will work alongside senior architects and leads to build high-performance, reliable systems while demonstrating technical ownership, mentoring junior engineers, and contributing to engineering best practices.

This is an individual contributor role with technical influence – you’ll be expected to independently drive feature delivery, make sound design decisions, and raise the bar for engineering quality.

Key Responsibilities

• Design, develop, and maintain scalable Java-based backend services, APIs, and data pipelines.
• Own feature delivery end-to-end – from technical design through implementation, testing, deployment, and monitoring.
• Build and optimize microservices using Spring Boot, Spring Cloud, and event-driven architectures.
• Write clean, well-tested, production-ready code following SOLID principles and design patterns.
• Collaborate with product managers, UX designers, and frontend engineers to define and deliver product requirements.
• Participate actively in architecture discussions, design reviews, and sprint planning.
• Conduct thorough code reviews and provide constructive, actionable feedback to peers.
• Mentor junior engineers (L1/L2) through pairing sessions, knowledge transfers, and technical guidance.
• Troubleshoot and resolve production issues; improve system observability, performance, and reliability.
• Contribute to CI/CD pipeline improvements and DevOps best practices.
• Stay current with industry trends, evaluate new tools/frameworks, and recommend adoption where appropriate.
• Write and maintain technical documentation for systems, APIs, and runbooks.

Must-Have Qualifications

• 5–8 years of professional Java backend development experience (Java 11 / 17 / 21).
• Strong expertise in Spring Boot, Spring MVC, Spring Security, and Hibernate/JPA.
• Solid experience designing and building RESTful APIs and microservices architectures.
• Proficiency with relational databases (PostgreSQL, MySQL, Oracle) – query optimization, indexing, schema design.
• Working knowledge of NoSQL databases (Redis, MongoDB, or Cassandra).
• Hands-on experience with messaging systems – Apache Kafka, RabbitMQ, or ActiveMQ.
• Experience with containerization and orchestration (Docker, Kubernetes).
• Strong fundamentals in data structures, algorithms, and object‑oriented design.
• Proficiency with Git, CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI).
• Experience writing unit tests, integration tests, and practicing TDD (JUnit 5, Mockito, TestContainers).
• Good understanding of concurrency, multithreading, and JVM internals.
• Strong communication and collaboration skills in an Agile/Scrum environment.

Nice-to-Have Qualifications

• Experience in financial services, fintech, or capital markets domain.
• Familiarity with cloud platforms – AWS (EC2, S3, Lambda, SQS, RDS) or GCP.
• Knowledge of Infrastructure as Code (Terraform, CloudFormation).
• Experience with GraphQL or gRPC APIs.
• Exposure to reactive programming – Project Reactor or RxJava.
• Familiarity with observability tools – Prometheus, Grafana, ELK Stack, Datadog.
• Experience with Kotlin or Python as a secondary language.
• Contributions to open‑source projects.

Frameworks

Spring Boot, Spring Cloud, Hibernate

Databases

Messaging

Testing

JUnit 5, Mockito, TestContainers

DevOps

Cloud

AWS / GCP

Observability

InRhythm is committed to being an equal opportunity workplace. We welcome candidates of all backgrounds regardless of race, religion, color, sex, age, national origin, disability, veteran status, marital status, sexual orientation, gender identity, or any other status protected by applicable law. We encourage

you to apply and join our community of thought leaders and innovators.