
Job Description – Senior Java Developer (Spring Boot / Microservices)
Location: Chennai, India
Experience: 4+ Years
Availability: Immediate Joiner
About the Role:
We are looking for a highly skilled Java Developer with over 5 years of hands-on experience in building scalable backend systems using Java, Spring Boot, and Microservices architecture. The ideal candidate will have strong problem-solving skills, deep knowledge of backend frameworks, and a solid understanding of JUnit-based testing.
Key Responsibilities:
- Design, develop, and maintain high-performance backend systems using Java and Spring Boot
- Develop and deploy RESTful microservices in a distributed architecture
- Collaborate with cross-functional teams to define, design, and ship new features
- Write clean, scalable, and testable code following best practices
- Implement unit and integration tests using JUnit and other testing frameworks
- Participate in code reviews and contribute to improving team processes
- Troubleshoot and resolve production issues in a timely manner
Key Skills:
- Strong proficiency in Java
- Expertise in Spring Boot and related modules (Spring Data, Spring Security, etc.)
- Solid understanding of Microservices architecture, REST APIs, and inter-service communication
- Experience with JUnit and writing automated test cases
- Familiarity with CI/CD pipelines and version control (Git)
- Knowledge of containerization (Docker, Kubernetes) is a plus
- Exposure to messaging systems like Kafka or RabbitMQ is a plus
- Familiarity with databases (SQL/NoSQL)

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- Design and Develop: Architect, design, and implement high-performance Java-based backend services and applications.
- Code Quality: Write clean, efficient, and well-documented code following industry best practices and coding standards.
- Technical Leadership: Provide technical guidance and mentorship to junior developers, promoting best practices and fostering a collaborative environment.
- Collaboration: Work closely with frontend developers, product managers, and other stakeholders to understand requirements and deliver robust solutions.
- Performance Optimization: Identify and resolve performance bottlenecks and scalability issues.
- Testing: Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end tests.
- Continuous Improvement: Stay current with the latest industry trends, technologies, and best practices in Java/Golang development, and continuously improve our development processes.
Role Overview
Software Architect – Healthcare Interoperability is responsible for leading the design and development of a nextgeneration healthcare interface engine. This role involves integrating with various EHR systems such as Epic, Cerner, Athena, and Meditech, managing diverse data formats including HL7 v2, FHIR R4, X12/EDI, JSON, and XML, while ensuring the platform is scalable, compliant, and observable.
Responsibilities
- Design the architecture for a custom interface engine supporting HL7 v2, FHIR (R4), and X12 EDI etc transactions.
- Define routing, transformation, and queuing strategies for high-volume healthcare data exchange.
- Integration with EHRs (Epic, Athena, Cerner, Meditech) and clearinghouses.
- Establish error handling, retries, monitoring, and resilience patterns (Resilience4j, circuit breakers, observability).
- Mentor developers, review designs/code, and enforce best practices.
Technical Skills Required
- Java / Spring Boot (microservices, APIs, event-driven patterns)
- Integration frameworks: Apache Camel or Spring Integration
- Data mapping: Smooks, HAPI FHIR
- Message formats: HL7 v2, FHIR (STU3/R4), X12 EDI (837, 835, 270/271), JSON, XML, CSV etc
Architecture & Infrastructure:
- Cloud-native design (Azure / AWS)
- Kafka / RabbitMQ for messaging
- Observability: Grafana / Prometheus / ELK
- Security: OAuth2, JWT, mutual TLS, encryption at rest/in-transit
Domain Knowledge:
- Healthcare RCM (pre-billing edits, eligibility, claims, remittance)
- EHR APIs ( Epic App Orchard, Athena One, Cerner Ignite etc)
Experience
- 10+ years in software engineering with 3+ years in healthcare interoperability.
● Care about things like fault tolerance, durability, backups and recovery,
performance, maintainability, code simplicity etc.
● Lead a team of software engineers and help create an environment of ownership
and learning.
● Introduce best practices of software development and ensure their adoption
across the team.
● Help set and maintain coding standards for the team.
A SaaS startup founded in April 2020.
What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers.
We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products
○ Spring
○ PostgreSQL
○ Redis ○ Docker
○ Message brokers
○ GitHub
● These non-functional areas are familiar to you
○ Performance
○ Debugging
○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for you?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
Position Title: Senior Software Developer
Freestone Infotech is a global IT solutions company providing innovative best-in-class turnkey solutions toenterprises worldwide. http://freestoneinfotech.com/
Experience: 5+ yrs
Core Experience:
• Experience in Core Java, J2EE, Spring/Spring Boot, Hibernate, Spring REST, Linux, JUnit, Maven, Design Patterns.
• Sound knowledge of RDBMS like MySQL/Postgres, including schema design.
• Proficient in general programming, logic, problem solving, data structures & algorithms
• Exposure to Linux environment.
Secondary Skills:
• Agile / Scrum Development Experience preferred.
• Comfortable working with a microservices architecture and familiarly with NoSql solutions.
• Experience in Test Driven Development. • Good analytical, grasping and problem-solving skills.
• Excellent written and verbal communication skills.
• Hands-on skills in configuration of popular build tools, like Maven and Gradle
• Good knowledge of testing frameworks such as JUnit.
• Good knowledge of coding standards, source code organization and packaging/deploying.
• Good knowledge of current and emerging technologies and trends.
Job Responsibilities:
• Design, Development and Delivery of Java based enterprise-grade applications.
• Ensure best practices, quality and consistency within various design and development phases.
• Develop, test, implement and maintain application software working with established processes.
Education and Experience: • Bachelor’s / master’s degree in computer science or information technology or related field.
About Klevu:
Klevu is a discovery experience suite that revolutionises online shopping. It provides a range of SaaS based solutions, that are deep rooted in AI-ML technology and delivered via cloud for online retailers. Klevu is a global Finnish company that prides in diversity, great team, excellent partner network and global customer footprint. Learn more from www.klevu.com
Experience: 5+ years
Location: Ahmedabad, Gujarat
Responsibilities:
- Build, scale and maintain various services on the Klevu platform
- Design and develop solutions for business needs on the Klevu platform
Must have skills:
- 4+ years on experience with Java
- Experience in Web application development on Spring framework
- Experience working with database technologies – RDBMS or NoSQL
- Ability to communicate effectively within and outside the engineering team
- Familiar with agile software development process
Nice to haves:
- Experience in Hibernate, MySql, Redis, ActiveMQ or Kafka
- Experience in UI Frameworks like Jquery, React, Angular or equivalent
- Experience in REST API development
- Experience in debugging issues and checking production logs
- Experience working in eCommerce and/or SAAS startups
- Experience working with microservices architecture
What we offer:
- Being part of one of the most exciting search technology company from Nordics with global footprints
- Work with a team in 3 continents (North America, Europe, Asia)
- Excellent work culture, hands-on, result oriented
- Good salary and flexible hours
7+ years of experience with Design, development & architecture.
- Experience in software development with minimum 3 plus years of architecture experience.
- Experience in Core JAVA 8
- Experience in Java J2EE, Microservices
- Experience in Java - Spring, Java - SpringBoot, GCP , Hibernate,JDBC
- Experience in Multi-threading, Performance and Scaling is a plus
- Have used the RDBMS and NoSQL databases like MySQL/Oracle, MongoDB, Cassandra, Neo4J Risk for production ready software’s
- Cloud Native application design experience is a plus
- CICD – Release Pipeline experience
- Experience in application of principles of Architecture Design
- Experience building large scale, high performance distributed systems
- Strong understanding of modern development techniques and processes such as Dev Ops /Cloud
- Promoter of Agile/Scrum, TDD and CI/CD best practices
- Analyzes, designs, programs, debugs and modifies software enhancements and/or new products used in local, networked or Internet-related computer programs. (Code must be used in core version of applications available for sale commercially.)
- Interacts with Delivery managers and/or users to define system requirements and/or necessary modifications.
- Participates in software design meetings and analyzes user needs to determine technical requirements.
- Write technical specifications based on conceptual design and stated business requirements.
- Writes code, completes programming and performs testing and debugging of applications using current programming languages and technologies.
- Completes documentation and procedures for installation and maintenance.
- Trains and communicates with internal Client Training, Client Relationship and Sales teams on systems application.
- May be responsible for developing or executing project plans, budgets and schedules and for documenting work and results.
- May deliver informational and decision-seeking presentations to technical and business groups to internal and/or external audiences.

Detailed Job Description :
Total Exp-6-9 Yrs
Location-Noida(Singapore Travel - In next 3 Months (short term)
Mandatory:
- 6-8 years of total IT experience delivering enterprise-scale applications or product implementations
- 1-3 years of experience working as a technical lead.
- Working Experience in ISO20022, SWIFT, Remittance
- Language & Frameworks: Java, Spring Boot, Spring, Any ORM
Preferred:
- Working experience in TCS Bancs or Integration with TCS Bancs
- Database: SQL Server
- Working experience in managing projects in Java Stack.
- Good Knowledge of Microsoft stack, Static Code analyzers, Overall SDLC Lifecycle, Design & Architecture
Company Name & Profile :
It is a leader in the integration of IT and network technologies and brings more than 100 years of expertise in technological innovation to provide solutions for empowering people, businesses and society. Headquartered in Japan, it started operations in India in the 1950s, accelerating its growth through the expansion of business to global markets. The company in India expanded its business from telecommunications to public safety, logistics, transportation, retail, finance, unified communication and IT platforms, serving across governments, businesses as well as individuals. With its Centre of Excellence for analytics platform solutions, big data, biometrics, mobile and retail, the company in India offers innovative new services and solutions for India and global markets. It operates across India with offices in New Delhi (head office), Noida, Mumbai, Chennai, and Bengaluru.
About the opportunity
What you’ll be doing:
- You will contribute to all aspects of an agile software development life-cycle including design, architecture, development, documentation, testing and operations.
- You will build cutting-edge scalable systems by writing simple and efficient code.
- You will push your design and architecture limits for new product development.
- You will collaborate with product managers, and other key stakeholders within the MMT family to successfully execute projects.
- You will ensure compliance with build/release and configuration management process.
What you’ll bring to the table:
- You possess good understanding of Agile Methodology, Object Oriented Programming Concepts and Responsive Designs.
- You have hands-on experience on Java/ J2EE stack and have done development across multiple browsers/platforms delivering mind-boggling results.
- You thrive in complexity and jump at the opportunity to collaborate with colleagues to delivery projects within tight deadlines.
- If you have work experience in a product/start-up company, we’ll like you even more.
Our Purpose and Challenges
With over 47% market-share, MakeMyTrip is India’s first and biggest travel company. In fact, one in every four passengers at an airport is our customer. Driven by the desire to provide an exceptional travel experience for our customers, we have continuously stayed ahead of the curve by developing technology and products to meet the ever-changing demands of the rapidly evolving travel ecosystem.
We are currently solving multiple challenging problems, including -
- How to bring the next 100 million users to our platform?
- How to leverage customer insights to create a truly personalised experience for users?
- How to create a delightful experience for our users, to make travel synonymous to MMT?

