
Responsibilities:
- Lead the development of the back-end systems for our first product.
- Build reliable, secure and performant back-end systems.
- Drive test coverage and continuous delivery automation within the team.
- Mentor and provide feedback to teammates.
Requirements:
- 3+ years of software development experience.
- Strong computer science fundamentals.
- Deep and wide knowledge of Java ecosystem.
- Can write code that is readable, maintainable, secure and performant.
- Know the importance of tests and how to approach writing different types of tests.
- Good intuition for REST API design.
- Deep understanding of relational databases, transactions, entity-relationship modelling.
- Comfortable writing highly concurrent systems.
- Experienced in using profilers, tuning garbage collection, optimising SQL queries.

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JOB DETAILS:
* Job Title: Java Lead-Java, MS, Kafka-TVM - Java (Core & Enterprise), Spring/Micronaut, Kafka
* Industry: Global Digital Transformation Solutions Provider
* Salary: Best in Industry
* Experience: 9 to 12 years
* Location: Trivandrum, Thiruvananthapuram
Job Description
Experience
- 9+ years of experience in Java-based backend application development
- Proven experience building and maintaining enterprise-grade, scalable applications
- Hands-on experience working with microservices and event-driven architectures
- Experience working in Agile and DevOps-driven development environments
Mandatory Skills
- Advanced proficiency in core Java and enterprise Java concepts
- Strong hands-on experience with Spring Framework and/or Micronaut for building scalable backend applications
- Strong expertise in SQL, including database design, query optimization, and performance tuning
- Hands-on experience with PostgreSQL or other relational database management systems
- Strong experience with Kafka or similar event-driven messaging and streaming platforms
- Practical knowledge of CI/CD pipelines using GitLab
- Experience with Jenkins for build automation and deployment processes
- Strong understanding of GitLab for source code management and DevOps workflows
Responsibilities
- Design, develop, and maintain robust, scalable, and high-performance backend solutions
- Develop and deploy microservices using Spring or Micronaut frameworks
- Implement and integrate event-driven systems using Kafka
- Optimize SQL queries and manage PostgreSQL databases for performance and reliability
- Build, implement, and maintain CI/CD pipelines using GitLab and Jenkins
- Collaborate with cross-functional teams including product, QA, and DevOps to deliver high-quality software solutions
- Ensure code quality through best practices, reviews, and automated testing
Good-to-Have Skills
- Strong problem-solving and analytical abilities
- Experience working with Agile development methodologies such as Scrum or Kanban
- Exposure to cloud platforms such as AWS, Azure, or GCP
- Familiarity with containerization and orchestration tools such as Docker or Kubernetes
Skills: java, spring boot, kafka development, cicd, postgresql, gitlab
Must-Haves
Java Backend (9+ years), Spring Framework/Micronaut, SQL/PostgreSQL, Kafka, CI/CD (GitLab/Jenkins)
Advanced proficiency in core Java and enterprise Java concepts
Strong hands-oacn experience with Spring Framework and/or Micronaut for building scalable backend applications
Strong expertise in SQL, including database design, query optimization, and performance tuning
Hands-on experience with PostgreSQL or other relational database management systems
Strong experience with Kafka or similar event-driven messaging and streaming platforms
Practical knowledge of CI/CD pipelines using GitLab
Experience with Jenkins for build automation and deployment processes
Strong understanding of GitLab for source code management and DevOps workflows
*******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: only Trivandrum
F2F Interview on 21st Feb 2026
Role & Responsibilities
As a Staff Engineer at Locus, you will play a critical role in defining and driving our backend architecture as we scale globally. You’ll own key systems that handle high volumes of data and transactions, ensuring performance, reliability, and maintainability across distributed environments.
Key Responsibilities-
- Own one or more core applications end-to-end, ensuring reliability, performance, and scalability.
- Lead the design, architecture, and development of complex, distributed systems, frameworks, and libraries aligned with Locus’s technical strategy.
- Drive engineering operational excellence by defining robust roadmaps for system reliability, observability, and performance improvements.
- Analyze and optimize existing systems for latency, throughput, and efficiency, ensuring they perform at scale.
- Collaborate cross-functionally with Product, Data, and Infrastructure teams to translate business requirements into technical deliverables.
- Mentor and guide engineers, fostering a culture of technical excellence, ownership, and continuous learning.
- Establish and uphold coding standards, conduct design and code reviews, and promote best practices across teams.
- Stay ahead of the curve on emerging technologies, frameworks, and patterns to strengthen Locus’s technology foundation.
- Contribute to hiring by identifying and attracting top-tier engineering talent.
Ideal Candidate
- Strong staff engineer profile
- Mandatory (Experience 1): Must have 9+ years in backend engineering with Java, Spring/Spring Boot, and microservices building large and schalable systems
- Mandatory (Experience 2): Must have been SDE-3 / Tech Lead / Lead SE for at least 2.5 years
- Mandatory (Tech skills 1): Strong in DSA, system design, design patterns, and problem-solving
- Mandatory (Tech skills 2): Proven experience building scalable, reliable, high-performance distributed systems
- Mandatory (Tech skills 3): Hands-on with SQL/NoSQL databases, REST/gRPC APIs, concurrency & async processing
- Mandatory (Tech skills 4): Experience in AWS/GCP, CI/CD pipelines, and observability/monitoring
- Mandatory (Communication): Excellent ability to explain complex technical concepts to varied stakeholders
- Mandatory (Company): Product companies (B2B SAAS preferred)
- Mandatory (Stability): Must have stayed for at least 2 years with each of the previous companies
- Mandatory (Education): B.Tech in computer science from Tier 1, Tier 2 colleges
Key Responsibility Areas:
- Design, build and deliver Enterprise software solutions.
- Write code with standards and conventions and follow best practices.
- Encourage and lead innovation and solid lifecycle processes.
- Collaborate with development teams on work definition, estimation and prioritization
- Lead and grow as a professional software engineer.
- Full ownership of product deliveries and mentoring junior team members.
- Preparing curriculum to train junior developers for Java Web Development
- Strong client interactions to provide excellent Quality of Service.
- Owning the code base and making sure all code is reviewed and is of very high quality.
- Write and modify coding conventions and standards documents for all development
Required Skills:
Technologies/Frameworks –
- Core Java, J2EE,
- Spring Core and Spring MVC, Sprint Boot, Spring Security,
- JDBC, Hibernate, RESTful APIs, SOAP WebServices
- Knowledge of JavaScript, JQuery, AJAX, HTML5, and CSS3, Angular is added advantage
- Junit or Mockito frameworks
- Maven, Git
- Knowledge Data Structures,
- SQL, MySQL
- Designing relational database schemas
- Basics of AWS, Cloud, Microservices
- Must have strong knowledge and experience in Agile based software development methodologies. Knowledge of an Agile tool like Jira.
- Strong knowledge of working in Integrations of 3rd party APIs and creating the new APIs.
- Must have good knowledge of creating Flow diagrams, UMLs and all the required documentations.
- Domain Preference
- BFSI, FinTech
ROLE AND RESPONSIBILITIES
• Involvement in the full software development life cycle within broadly defined parameters and
providing software solutions keeping into consideration, the software quality needs.
• Design and defining the interaction between the different component pieces.
• Write efficient code based on brief given by team lead.
• Fast prototyping of proof-of concept features / application based on brief.
• Develop and maintain new features on Java stack.
• Own the delivery of an entire piece of a system or application.
• Management and execution against project plans and delivery commitments.
• Work closely with the peers and Leads to develop the best technical design and approach for new
product development.
• Build software solutions for complex problems.
• Compliance with build/release and configuration management process.
• Responsibility to develop unit test cases for his/her project module.
QUALIFICATIONS AND EDUCATION REQUIREMENTS
WORK EXPERIENCE AND EDUCATIONAL BACKGROUND THAT A CANDIDATE SHOULD HAVE WHEN APPLYING FOR
POSITION
• 5+ years of proven experience as a Software Developer, Software Engineer or similar role
• Familiarity with Agile development methodologies
• B.E./ B.Tech. / M.E. / M.Tech. / M.S. in Computer Science, Electronics or a related field.
• Experience with software design and development in a test-driven environment
• Knowledge of coding languages (e.g. Java, JavaScript) and frameworks/systems
• Experience with databases (Oracle / Postgre) and Object-Relational Mapping (ORM) frameworks
• Ability to learn new languages and technologies
• Excellent communication skills
• Resourcefulness and troubleshooting aptitude
PREFERRED SKILLS
ADDITIONAL SKILLS OR EXPERIENCE THAT WOULD BE CONSIDERED FAVORABLE FOR A CANDIDATE WHO IS
APPLYING FOR THIS POSITION.
• Excited about the start-up company “experience”.
• BS/MS in Computer science preferred.
• Full project lifecycle experience.
• Strong oral and written communication skills.
About Company:
The company is a global leader in secure payments and trusted transactions. They are at the forefront of the digital revolution that is shaping new ways of paying, living, doing business and building relationships that pass on trust along the entire payments value chain, enabling sustainable economic growth. Their innovative solutions, rooted in a rock-solid technological base, are environmentally friendly, widely accessible and support social transformation.
Requirements:
1. Java 8+, J2EE,
2. Core Java- More hands on collections framework
3. JPA- Spring, Hibernate
4. Webservices (SOAP / Rest)
5. Knowldege on SQL & PLQL (Oracle/MySQL)
6. Expericne in Agile tools & processes
7. Good analytical & Communication skills
Required Skills:
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Job description
- Engage with the business team and stakeholder at different levels to understand business needs, analyze, document, prioritize the requirements, and make recommendations on the solution and implementation.
- Delivering the product that meets business requirements, reliability, scalability, and performance goals
- Work with Agile scrum team and create the scrum team strategy roadmap/backlog, develop minimal viable product and Agile user stories that drive a highly effective and efficient project development and delivery scrum team.
- Work on Data mapping/transformation, solution design, process diagram, acceptance criteria, user acceptance testing and other project artifacts.
- Work effectively with the technical/development team and help them understand the specifications/requirements for technical development, testing and implementation.
- Ensure solutions promote simplicity, efficiency, and conform to enterprise and architecture standards and guidelines.
- Partner with the support organization to provide training, support and technical assistance to operation team and end users as necessary
- Product/Application Developer
- Designs and develops software applications based on user requirements in a variety of coding environments such as graphical user interface, database query languages, report writers, and specific development languages
- Consult on the use and implementation of software products and applications and specialize in the business development environment, including the selection of development tools and methodology
Primary / Mandatory skills:
- Overall Experience: Overall 4 to 6 years of IT development experience
- Design and Code NodeJS based Microservices, API Webservices, NoSql technologies (Cassandra/MongoDb)
- Expert in developing code for Node-JS based Microservice in TypeScript
- Good Experience in understanding the data Transmission through pug/sub mechanism like Event Hub and Kafka
- Good Understanding of Analytics and clickstream data capture is HUGE Plus
- Good understanding of frameworks like Java Spring Boot, Python is preferred
- Good understanding of Microsoft Azure principles and services is preferred
- Able to write Unit test cases
- Familiarity with performance testing tools such as Akamai SOASTA is preferred
- Good knowledge on Source Code control like GIT, code clout, etc and understanding of CI/CD(Jenkins and Kubernetes)
- Solid technical background with understanding and/or experience in software development and web technologies
- Strong analytical skills and the ability to convert consumer insights and performance data into high impact initiatives
- Experience working within scaled agile development team
- Excellent written and verbal communication skills with demonstrated ability to present complex technical information in a clear manner to peers, developers, and senior leaders
- The desire to be continually learning about emerging technologies/industry trends
Java Developer Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
Java Developer Requirements:
- Degree in Computer Science or related field.
- Experience with user interface design, database structures, and statistical analyses.
- Analytical mindset and good problem-solving skills.
- Excellent written and verbal communication.
- Good organizational skills.
- Ability to work as part of a team.
- Attention to detail.
SENIOR SOFTWARE DEVELOPER (BACKEND DEVELOPMENT):
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade web applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Responsibilities
• Java developer responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for
architectural review
Requirements
• BS/MS degree in Computer Science, Engineering or a related subject from renowned (IITs, NITs, BITS etc) colleges
• Excellent aptitude, algorithmic and puzzle solving skills
• Proven hands-on Software Development experience
• Proven working experience of 2+ years in Java development
• Hands on experience in designing and developing applications using Java EE platforms
• Object Oriented analysis and design using common design patterns.
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management, Multi-Threading etc)
• Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in the Spring Framework
• Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT,
Spring MVC)
• Experience with agile development
● Develop, record and maintain cutting edge web-based PHP SAAS applications on portal plus
premium service platforms.
● Should be individual contributor and able to handle frontend and backend.
● Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team,
testing teams.
● Strong knowledge of HTML, CSS, and JavaScript, JQuery and Microservices
● Prepare and maintain all applications utilizing standard development tools
● Utilize backend data services and contribute to increase existing data services API
● Lead the entire web application development life cycle right from concept stage to delivery and post
launch support
● Good knowledge of GIT, Digital Ocean or AWS servers
● Convey effectively with all task progress, evaluations, suggestions, schedules along with technical
and process issues.
● Document the development process, architecture, and standard comp









