Senior Java Developer

Java Backend Developer (6–10 Years)

Mandatory Skills:

• Core Java 8+ (Collections, Streams, Multithreading)
• Spring Boot
• Microservices Architecture
• RESTful API Development
• SQL (Oracle/MySQL/PostgreSQL)
• JPA/Hibernate
• Design Patterns & OOP
• Distributed Systems
• Kafka/RabbitMQ (Preferred)
• AWS/Azure (Preferred)
• CI/CD, Git, Jenkins, Docker/Kubernetes (Preferred)

Responsibilities:

• Design and develop scalable backend microservices.
• Build secure and high-performance REST APIs.
• Work on distributed systems and production-grade applications.
• Optimize application performance and troubleshoot production issues.
• Participate in code reviews and Agile development.

Preferred Background:

• Product engineering or enterprise backend development.
• Strong coding skills in Java with hands-on experience in live problem solving.

Experience: 6–10 Years

Location: Bangalore / Mumbai / Chennai (Hybrid)

About the Role

We're looking for a hands-on AI Architect to lead the design and delivery of AI-native applications. You will define the AI stack, establish engineering standards, and drive adoption of AI-assisted development across teams.

Responsibilities

• Architect and build production-grade AI applications.
• Evaluate and standardize AI frameworks, tools, and platforms.
• Design agentic systems, RAG pipelines, and AI workflows.
• Establish AI evaluation, testing, guardrails, and observability practices.
• Drive AI-native development and delivery acceleration initiatives.
• Partner with engineering and product teams on technical roadmap decisions.

Requirements

• 7+ years of software engineering experience.
• Strong experience with LLMs, RAG, embeddings, prompt engineering, and agent frameworks.
• Experience with LangGraph, AutoGen, MCP, or similar ecosystems.
• Hands-on experience with AI evaluations (DeepEval, Ragas), guardrails, and structured outputs.
• Strong Python and TypeScript/Java skills.
• Experience with Kubernetes, CI/CD, IaC, observability, and event-driven architectures.
• Proven experience shipping AI applications to production.

Job Description:

We are looking for a Senior Java Developer with strong expertise in Apache Kafka and backend systems. The ideal candidate will have hands-on experience in Java (8/11+), Spring Boot, and building scalable, real-time data pipelines using Kafka.

Key Responsibilities:

• Develop and maintain backend services using Java and Spring Boot
• Design and implement Kafka-based messaging and streaming solutions
• Optimize Kafka performance (topics, partitions, consumers)
• Collaborate with cross-functional teams to deliver scalable microservices
• Ensure code quality and maintain best practices in a distributed environment

Required Skills:

• 6+ years in Java development
• 3+ years of hands-on Kafka experience (producers, consumers, streams)
• Strong knowledge of Spring Boot, REST APIs, and microservices
• Familiarity with Kafka Connect, Schema Registry, and stream processing
• Experience with containerization (Docker), CI/CD, and cloud platforms (AWS/GCP/Azure)

Required Skill Set

Software Engineer/Senior Software Engineer/Lead Engineer-Java

• Experience in Core Java 8.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
• Possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Responsibilities

• Understand product requirements and come up with solution approaches
• Build and enhance large scale domain centric applications
• Deploy high quality deliverables into production adhering to the security, compliance and SDLC guideline.

Responsibilities:

 Develop and maintain high-quality, scalable, and efficient Java codebase for our ad-serving platform.

 Collaborate with cross-functional teams including product managers, designers, and other developers to

understand requirements and translate them into technical solutions.

 Design and implement new features and functionalities in the ad-serving system, focusing on performance

optimization and reliability.

 Troubleshoot and debug complex issues in the ad server environment, providing timely resolutions to ensure

uninterrupted service.

 Conduct code reviews, provide constructive feedback, and enforce coding best practices to maintain code quality

and consistency across the platform.

 Stay updated with emerging technologies and industry trends in ad serving and digital advertising, and integrate

relevant innovations into our platform.

 Work closely with DevOps and infrastructure teams to deploy and maintain the ad-serving platform in a cloud- based environment.

 Collaborate with stakeholders to gather requirements, define technical specifications, and estimate development

efforts for new projects and features.

 Mentor junior developers, sharing knowledge and best practices to foster a culture of continuous learning and

improvement within the development team.

 Participate in on-call rotations and provide support for production issues as needed, ensuring maximum uptime

and reliability of the ad-serving platform.

Job Description:
We are looking for a Software Engineer with solid development experience in Java and related frameworks. We are looking for a self-motivated, go-getter, out-of-the-box thinker who is ready to work in a high-energy start-up environment. He/she must demonstrate a high level of ownership, integrity, and creativity.
Required Skills:
• Core Java (Proficient)
• Spring, Spring MVC OR Spring boot
• Hibernate – Good to have
• Oracle/MySQL DB - Hands-on (Intermediate)
• REST API and AWS– Good to have
• Hands-on experience of working on Spring boot based Microservices (Intermediate)
• Good to have knowledge of Microservice DevOps tools (Git, Jenkins, JUnits, deployment, monitoring, tracing)
• Sound understanding of core Java, SOAP Services, REST Services, Spring & maven, having expertized to work on Unix platform
• Should have working knowledge on web servers (e.g. Apache HTTP) and application servers (e.g. Tomcat, WebLogic)
• Should have a working knowledge of any relational database. Preferred will be Oracle and MySQL.
Roles and Responsibilities:
• You will design, develop, modify, debug and/or maintain software code according to functional, non-functional and technical design specifications.
• You will follow software engineering standards, applicable software development
methodology and release processes, to ensure code is maintainable, scalable,
supportable and demo the software products to stakeholders
• You will investigate issues by reviewing/debugging code, providing fixes and workarounds, and reviewing changes for operability to maintain existing software solutions.
• You will work within a team, collaborate and add value through participation in peer code reviews, provide comments and suggestions, work with cross-functional teams to achieve goals.

Why should you join Opcito?
We are a dynamic company that believes in designing transformation solutions for our customers with our ability to unify quality, reliability, and cost-effectiveness at any scale. Our core work culture focuses on adding material value to client products by leveraging best practices in DevOps like continuous integration, continuous delivery, and automation, coupled with disruptive technologies like cloud, containers, serverless computing, and microservice-based architectures.
Here are some of the perks of working with Opcito:
• Outstanding career development and learning opportunities
• Competitive compensation depending on experience and skill
• Friendly team and enjoyable work environment
• Flexible working schedule
• Corporate and social events.

         3+ Yrs Senior Software Engineer - Java Developer 

EMPLOYER: Terra Pay

Headquartered in The Netherlands, TerraPay believes that the smallest payment deserves a borderless journey as safe as the largest. The company has been building an ever-expanding payments highway that empowers businesses to create transparent customer experiences with an uninterrupted, secure, and real-time global passage for every payment, however small or large. Registered and regulated across 25 global markets, TerraPay is a leading global partner to banks, mobile wallets, money transfer operators, merchants, and financial institutions, creating a more expansive and inclusive international financial ecosystem.

With access to payments infrastructure that spans the globe, their partners become beacons of the promise of global financial inclusion.

JOB DETAILS

• Seniority Level: Middle  level
• Industry: Financial Services
• Employment Type: Full-Time (In-Office)
• Job Functions: Information Technology
• Job Location: Bengaluru
• Experience: 3-6 Years

WHAT WILL BE YOUR RESPONSIBILITIES?

• Participate in a full software development lifecycle and write code that is maintainable, clear, and concise.
• Coding, troubleshooting and Multi-threaded applications.
• Producing and refactoring code without assistance.
• Internal team coordination and integration of back end 

SKILLS AND ABILITIES

• Java(J2EE) 
• JSON,SOAP/REST,XML
• Spring MVC, Spring Boot , Spring JDBC, Tomcat, Hibernate
• postgresql

WHAT ARE WE LOOKING FOR?

• Educational Qualification - B.Tech (Computer Science) /M.C.A
• 3-6  years of experience in working as software engineer - Java developer 
• Thorough understanding of coding and testing  
• Expertise with Java(J2EE)  
• Good technical level fluency (spoken and written) in English
• Understands TDD/Performance/Security/Smoke testing.
• Should have knowledge on Junit,SOAPUI,JMeter, postman & other Unit Testing framework.
• Understands feature toggling and version control.miliarity with code versioning tools 

WHAT'S IN IT FOR YOU?

• An opportunity to be a part of a fast-scaling startup in the AdTech space that offers unmatched work opportunities.
• Join us and be certain that you grow up with a growing  MNC 
• You will work in an employee friendly ambience 
• Pick up and drop facility at selected locations 

• Excellent Java programming skills.
• Experience in Web application Technologies like JAVA/JSP, HTML, Javascript, and CSS.
• Development experience using Java Spring Boot, Maven
• Knowledge and Experience in using REST API
• Experience in Database Query Languages.
• Experience in designing new application framework or migrating to new framework architecture, redesign, working on POC
• Should be open for understanding debugging the architecture of legacy systems and suggest changes wherever applicable.
• Experience in frameworks like Spring, Hibernate
• Experience in Multi-tier development/deployment of Web Application
• Experience in Producing and Consuming RESTful Web Services
• Strong in developing complex SQL Scripts to generate reports
• Familiarity in Maven, Gitx
• Familiarity in Unit Testing (JUnit)
• Familiarity with Continuous Integration tools (Jenkins etc)

• 4+ years of professional development experience in an agile software engineering role
• Strong development skills in Java or Groovy
• Experience with Jenkins, bamboo and CI/CD environments
• Familiarity with Guice or similar dependency injection frameworks
• Familiarity with relational database technology
• Familiarity with document store database technology such as ElasticSearch or Cassandra
• Experience with design and testing of RESTful APIs
• Familiarity with cross platform development on Linux, OSX and Windows
• Strong understanding of Git version control system
• Knowledge of JavaScript (Node.js)
• Familiarity with Amazon Web Services (AWS)
• Familiarity with Docker / Kubernetes
• Experience with continuous integration and build systems such as Jenkins or Bamboo
• Experience with Jira or other project management, issue-tracking or bug-tracking tools
• Should have knowledge of RDBMS
• Familiarity with Node.js, Kotlin, Kafka, DynamoDB
• Previous experience with SaaS or cloud development, Micro-services