
Job Title: Java Backend Developer
Location: Bangalore
Experience: 3–6 years
Mode: Full-time
✨ Job Summary
We are looking for a skilled Java Backend Developer to join our engineering team. You will be responsible for building the backend services and APIs that power our web and mobile applications.
✅ Responsibilities:
- Design and develop RESTful APIs using Java and Spring Boot
- Write reusable, testable, and efficient backend code
- Integrate databases, caching layers, and data storage solutions
- Implement security and data protection best practices
- Monitor and optimize application performance
- Work with DevOps tools to manage builds and deployments
- Participate in code reviews and agile ceremonies
🧠 Required Skills:
- Strong programming experience in Java 8+
- Proficient in Spring Boot, Hibernate, JPA
- Hands-on with REST APIs, JSON, Postman
- Solid understanding of SQL and relational databases (MySQL/PostgreSQL)
- Experience with Maven/Gradle, Git, Jenkins
- Familiarity with Docker, Kubernetes, or AWS is a plus
- Understanding of OOP, design patterns, and microservice architecture
🎓 Qualifications:
- Bachelor's degree in Computer Science, Engineering, or a related field
- 3+ years of backend development experience
💼 Good to Have:
- Knowledge of NoSQL (MongoDB, Redis)
- Experience with CI/CD pipelines
- Familiarity with testing tools like JUnit or Mockito

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Location: Remote (India)
CTC: 22-26 LPA
NP: 30 days or less
Note: Other Backend Language /Frameworks like Python, NodeJS and Java Springboot and willingness to learn Golang can also be considered
Skillset Requirements:
- Strong experience with backend programming languages and technologies like
- Golang (minimum 2-year experience)
- Protobuf and gRPC
- RESTful APIs
- Docker and Kubernetes
- Medium-level experience with PostgreSQL and MySQL database concepts.
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- Experience with design patterns, Event-Driven architecture, and Domain Driven Designs.
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- Write code that meets standard and delivery guidelines.
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- Work with the team to break user stories into tasks and delegate them to the team
members.
- Playing a key role in architectural and design decisions, building toward an efficient
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- Analyze solutions and help implement engineering best practices.
- Work with Project Managers for timely delivery and forecast.
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issues occur and take ownership to resolve issues.
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Tech Stack:
Golang, Microservices (AWS ECS, App Mesh), Ruby, Rails, MySQL, Postgres, Redis, NATS.
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- 5+ years of experience with Ruby on Rails OR 2+ years of experience with Golang.
- 5+ years of experience with MySQL or Postgres and relational data modelling.
- Experience consuming and writing REST APIs.
- Focus on writing clear, maintainable, tested code.
- Experience with Git, continuous integration and regular deployments.
- Experience with complex Rails projects and design principles.
- Strong willingness to learn and use Golang at work.
- Experience with CI (continuous integration).
- Strong understanding of Linux.
- Strong understanding of Docker.
- You must be a strong communicator who can explain complex ideas to anyone regardless of background.
Preferred Skills:
- 2+ years of experience with Golang.
- Experience with Microservices deployed in Kubernetes.
- Experience with AWS ECS, App Mesh and Lambda.
- Ability and interest in mentoring junior engineers a plus.
- Excellent written communication skills and diligent ability to contribute to the team by performing code reviews.
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