Java Backend Developer with AWS at Wissen Technology · Bengaluru (Bangalore) · 5 - 10 years · Profitable · Posted 29 Apr 2026

About Wissen Technology
Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains.
For more details:
Website: www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: Wissen Technology
Role: Java Backend Developer with AWS
Key Responsibilities
● Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem.
● API Design: Develop and document RESTful for consumption by web and mobile frontends.
● Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases.
● Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency.
● Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito).
● Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes.
● Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications.
Required Technical Skills
● Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API.
● Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate.
● Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS).
● Messaging: Experience with message brokers like Apache Kafka for asynchronous processing.
● CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions.
● Version Control: Expert-level knowledge of Git and branching strategies.
Qualifications & Soft Skills
● Experience: 5+ years of professional experience in backend development.
● Problem Solving: Ability to debug complex production issues and performance bottlenecks.
● Communication: Excellent verbal and written communication skills—vital for a remote/hybrid contractor setup.
● Adaptability: Proven ability to quickly learn new codebases and business domains.

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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Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
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Backend Engineer – Java/Spring – Bangalore
Job Title: Backend Engineer (Java)
Experience: 7 - 10 years
Location: Bangalore
Employment Type: Full Time with Arcis E Services
About the Role
Looking for a backend engineer with strong Java and Spring expertise to build scalable microservices and backend systems.
Key Responsibilities
• Develop microservices using Java, Spring Boot, Spring Core, Hibernate.
• Design REST APIs, authentication, and backend architecture.
• Work with SQL/NoSQL databases and optimize queries.
• Collaborate with frontend and QA for seamless integrations.
• Participate in code reviews, refactoring, and performance optimization.
Required Skills
• J2EE, Spring Boot, Hibernate.
• RESTful services, JSON/XML.
• SQL (MySQL/PostgreSQL) and NoSQL fundamentals.
• Familiarity with Docker/Kubernetes is a plus.
Eligibility:
- Only IIT / NIT graduates
- Immediate joiners preferred
Mandatory Skills:
- Strong experience in Core Java
- Spring Boot & Microservices
- REST APIs
- SQL / Relational Databases
- Data Structures & Algorithms
- Strong problem-solving skills
- Experience in designing scalable backend applications
Good to Have:
- Cloud (AWS/Azure/GCP)
- Kafka / Messaging Systems
- Docker & Kubernetes
Interested candidates who meet the above criteria can share their updated resume along with:
- Total Experience
- Current CTC
- Expected CTC
- Notice Period
- Current Location
Key Responsibilities:
- Design, develop, test, and maintain backend applications using Java and Spring Boot.
- Build and consume RESTful APIs and integrate with third-party services.
- Develop scalable microservices and distributed systems.
- Optimize application performance, reliability, and security.
- Write clean, maintainable, and well-documented code.
- Collaborate with front-end developers, QA engineers, DevOps, and product teams.
- Troubleshoot production issues and implement bug fixes.
- Participate in code reviews and follow software development best practices.
- Contribute to CI/CD pipelines and deployment processes.
Required Skills & Experience
- Strong proficiency in Java (Java 8/11/17+).
- Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
- Experience building RESTful APIs and microservices.
- Knowledge of Hibernate/JPA.
- Strong understanding of SQL databases such as MySQL or PostgreSQL.
- Familiarity with Git and version control.
- Understanding Maven or Gradle.
- Knowledge of unit testing frameworks such as JUnit and Mockito.
- Understanding object-oriented programming principles and design patterns.
Job Description – Java Backend Lead
Job Summary
We are looking for an experienced Java Backend Lead to design, develop, and lead the development of scalable, high-performance backend applications. The candidate will be responsible for technical leadership, architecture, coding, code reviews, and mentoring developers.
Key Responsibilities
- Lead the design and development of scalable Java backend applications.
- Develop and maintain RESTful APIs and microservices.
- Provide technical leadership and guidance to the backend development team.
- Design and implement application architecture and backend solutions.
- Conduct code reviews and ensure coding standards and best practices.
- Troubleshoot complex application, performance, and production issues.
- Work closely with Product, Frontend, DevOps, QA, and Architecture teams.
- Mentor and guide junior and senior developers.
- Participate in technical discussions, design reviews, and architectural decisions.
- Ensure application performance, scalability, security, and reliability.
- Implement automated testing and support CI/CD processes.
- Participate in production deployments and provide production support.
Required Skills
- Strong hands-on experience with Java 8/11/17+.
- Strong knowledge of Spring Boot and Spring Framework.
- Extensive experience developing REST APIs and Microservices.
- Strong knowledge of Object-Oriented Programming, Design Patterns, and SOLID principles.
- Experience with SQL databases such as PostgreSQL, MySQL, or Oracle.
- Good understanding of JPA/Hibernate.
- Experience with Kafka or other messaging technologies.
- Knowledge of Docker and Kubernetes.
- Experience with Git and CI/CD pipelines.
- Knowledge of cloud platforms such as AWS, Azure, or GCP.
- Strong understanding of system design and distributed systems.
- Experience with application performance tuning and troubleshooting.
- Good understanding of unit testing and automated testing frameworks such as JUnit and Mockito.
Job Description:
We are looking for experienced Java professionals with strong backend development experience to join our technology team. The ideal candidate should have hands-on experience in Java, Spring Boot, Microservices, and related backend technologies.
Key Responsibilities:
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Develop and integrate RESTful APIs and Microservices.
- Work with Kafka for event-driven architecture and messaging.
- Write clean, efficient, and maintainable code.
- Troubleshoot and resolve application issues.
- Collaborate with frontend, QA, DevOps, and other technical teams.
- Participate in code reviews, design discussions, and technical solutioning.
- Ensure application performance, scalability, and reliability.
Primary Skills:
- Core Java
- Spring Boot
- Microservices
- REST API
- Kafka
- SQL / Database
Good to Have:
- React.js
- Cloud technologies
- Docker / Kubernetes
- CI/CD
- Agile/Scrum experience
Role: Java Backend Lead
Experience: 9.5+ Years
Location: Hyderabad / Bangalore
Notice Period: Immediate to 15 Days
Interview Process: All Rounds Virtual
Mandatory Skills
- Strong hands-on experience in Java
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- Microservices
- Kafka
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Job Description
We are looking for an experienced Java Backend Lead with 9.5+ years of experience in backend application development and technical leadership.
The candidate should have strong expertise in Java, Spring Boot, Microservices, and Kafka, along with experience leading technical teams and delivering scalable backend solutions.
Key Responsibilities
- Design and develop scalable backend applications using Java and Spring Boot.
- Develop and maintain Microservices-based applications.
- Work extensively with Kafka for event-driven applications.
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- Participate in architecture, design, coding, code reviews, and troubleshooting.
- Collaborate with cross-functional teams to deliver projects successfully.
Total Experience: 2+ years
Mode Of Hire: Permanent
Required Skills Set (Mandatory): Object Oriented Programming, data structures, algorithms, software design, and database systems.
Desired Skills (Good if you have): Springboot, ElasticSearch, MongoDB, MySQL, Redis, Crawling/ Web Scraping, Programming languages(Java, Python, C, C++)
Job Responsibilities
- Collaborate with Managers and other Engineers to help define, scope, and implement high-quality features that solve critical user needs.
- Break down requirements into architecture and deliver code, while keeping operational issues in mind.
- The ability to own end-to-end responsibility right from the requirement to release.
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- Help take Tracxn to the next level as a world-class engineering team
Job Requirements
- Experience with building backend services. Strong algorithm and CS skills.
- Experience designing and implementing large‐scale distributed systems.
- Experience with multiple programming languages (Java, Python) and data stores (MongoDB, MySQL, Redis, etc)
- Proven ability to work in a fast-paced, agile, and in ownership, and results-oriented culture.
- Strong problem-solving and analytical skills.
Culture
- Work with performance-oriented teams driven by ownership and passion.
- Learn to design systems for high accuracy, efficiency, and scalability.
- No strict deadlines focus on delivering quality work.
- Meritocracy-driven, candid culture. No politics.
- Very high visibility regarding which startups and markets are exciting globally.
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Tracxn (Tracxn.com) is a Bangalore-based product company providing a research and deal sourcing platform for Venture Capital, Private Equity, Corp Dev, and professionals working around the startup ecosystem. We are a team of 800+ working professionals serving customers across the globe. Our clients include Funds like Andreessen Horowitz, Matrix Partners, GGV Capital, and Large Corporations such as Citi, Embraer & Ferrero.
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- Abhishek Goyal (ex-Accel Partners, Amazon | BTech - IIT Kanpur)
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Industry: US Logistics
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- A problem solver who thrives in fast-paced environments
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🌟 What Sets You Apart
- You don’t just write code — you build scalable, maintainable solutions
- You take initiative, communicate clearly, and own what you build
- You’re constantly learning and always looking to improve
- You enjoy both working independently and as part of a team
- You’re comfortable being the go-to person and wearing multiple hats
🌍 Why Join Us?
- Work on high-impact logistics projects with direct customer interaction
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- Exposure to real-world business problems and rapid iteration cycles
- Flexible work culture built on trust, ownership, and transparency
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- Career growth opportunities through leadership exposure and diverse projects












