
We are seeking a passionate and skilled Senior Java Developer with 5 to 11 years of experience in product development. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team.
Required Skills:
• 5 to 11 years of hands-on Java development experience.
• Strong experience in building products or applications from scratch (not just maintenance/support).
• Good understanding of object-oriented programming principles.
• Experience with frameworks like Spring, Spring Boot, Hibernate, etc.
• Strong knowledge of data structures, algorithms, and design patterns.
• Should have strong problem-solving abilities.
• Familiarity with RESTful APIs, microservices architecture is a plus.
• Solid understanding of database technologies (SQL, NoSQL).
• Exposure to cloud platforms (AWS, Azure, or GCP) will be an advantage.
• Strong debugging and troubleshooting skills.

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.
Connect with the team
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Job Title: Senior Java Architect (12+ Years Experience)
Location: Remote (2 PM - 11 PM IST)
Experience: 12+ Years
Salary: ₹15L - ₹21L/yr
Employment Type: Contract (1 Year Extendable)
Job Description:
We are looking for a highly experienced Java Architect to join our team on a long-term contract basis. The ideal candidate should have deep expertise in designing scalable enterprise applications using Java and microservices architecture. The candidate should be capable of driving architecture decisions, mentoring development teams, and delivering high-performance solutions for enterprise-grade systems.
Key Responsibilities:
- Design and architect scalable enterprise applications using Java and microservices
- Lead system design and architecture decisions for complex applications
- Develop and implement microservices architecture patterns
- Drive technical architecture across multiple development teams
- Mentor and guide senior developers and engineering teams
- Handle high-traffic, scalable enterprise application architecture
- Collaborate with stakeholders to define technical requirements and roadmaps
- Ensure system performance, scalability, and reliability
- Review code and architecture designs for best practices
- Work with Spring Boot, Spring Cloud, and modern Java frameworks
Required Skills & Qualifications:
- 12+ years of hands-on experience in Java development and architecture
- Strong expertise in microservices architecture and design patterns
- Deep knowledge of system design principles and enterprise architecture
- Hands-on experience with Spring Boot and Spring Cloud
- Experience designing scalable, high-performance enterprise applications
- Proficiency in RESTful APIs, messaging systems, and API gateways
- Strong understanding of cloud platforms (AWS, Azure, or GCP)
- Experience with containerization (Docker) and orchestration (Kubernetes)
- Knowledge of database design (SQL and NoSQL)
- Expertise in JVM tuning and performance optimization
Technical Skills:
- Java 11+ (Java 17/21 preferred)
- Spring Boot, Spring Cloud, Spring Security
- Microservices architecture and design patterns
- RESTful APIs, GraphQL, gRPC
- Apache Kafka, RabbitMQ, or similar messaging systems
- Docker, Kubernetes, CI/CD pipelines
- PostgreSQL, MySQL, MongoDB, or similar databases
- Redis, Elasticsearch, or caching solutions
- Maven, Gradle, Git
Additional Requirements:
- Ability to work 2 PM - 11 PM IST (US/Europe Shift Timing)
- Immediate availability or short notice period (15 days max)
- Strong problem-solving and analytical skills
- Excellent communication skills for stakeholder collaboration
- Experience mentoring technical teams
- Contract commitment for a minimum of 1 year (extendable)
Good to Have (Preferred Skills):
- Experience with reactive programming (WebFlux, Project Reactor)
- Cloud certification (AWS Solutions Architect, etc.)
- Experience with observability tools (Prometheus, Grafana)
- Knowledge of domain-driven design (DDD)
- Experience with multi-cloud or hybrid cloud architectures
- Freelance/contract experience (preferred)
What We Offer:
- 1.2 ~ 1.8 LPM fixed contract salary
- Long-term contract (1-year extendable)
- Remote work with a flexible 2-11 PM IST schedule
- Work with cutting-edge enterprise technologies
- Opportunity to architect large-scale systems
- Collaborate with experienced engineering teams
- Immediate start for the right candidates
Skill set Key words
Java17, Java Spring Boot, Kubernetes/AKS/Docker(Knowledge), Microservices, (MongoDB/DynamoDB)
Role and Resposbilities :
• Hands on experience in Java back-end development and skills with Spring-boot framework
• Real life experience with Continuous Delivery principles and related tools (Kubernetes, AKS, Docker)
• Expertise with Microservices design
• Understanding of the Design Patterns, Architectural Blueprints, UML and Application Design
• Experience in stateful application and web sessions
• Experience with MongoDB, DynamoDB
• Excellent communication skills and an ability to work in a team
Roles and Responsibilities:
- Proven experience in Java 8, Spring Boot, Microservices and API
- Strong experience with Kafka, Kubernetes
- strong experience in using RDBMS (Mysql) and NoSQL.
- Experience working in Eclipse or Maven environments
- Hands-on experience in Unix and Shell scripting
- hands-on experience in fine-tuning application response and performance testing.
- experience in Web Services.
- Strong analysis and problem-solving skills
- Strong communication skills, both verbal and written
- Ability to work independently with limited supervision
- Proven ability to use own initiative to resolve issues
- Full ownership of projects and tasks
- Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
- Eagerness to learn
- Strong team-working skills

- Challenge technical decisions and web service designs and provide inputs for improvement
- Provide qualified code (tested and documented)
- Fix issues that arise from testing/customers
- Create or update all the relevant and required technical documents (design, architecture, )
- Follow quality development rules and recommendations (unitary test, change management, build management, Software factory…)
- Perform code reviews and suggest improvements
- Work in Agile mode and Test Driven development process
- Collaborate and work closely with all stakeholders
- Hardcore developers who can write performance-based quality code and drive code
- Preferred: Java1.8, Junit, Springboot, Dropwizard, RabbitMQ, Jenkins jobs, NoSQL DB (MongoDB, Neo4j), Docker, and DevOps (Optional: Python, AWS)
- Knowledge about Secure coding guidelines, Sonarqube, Configuration Management (Perforce), Jira
- MUST have experience in Scrum/Agile SDLC
- Value Add – experience on the server side in IPTV/OTT/STB
• Participation in the requirements analysis, design, development and testing of applications.
• The candidate is expected to write code himself/herself.
• The candidate is expected to write high level code, code review, unit testing and deployment.
• Practical application of design principles with a focus on the user experience, usability, template
designs, cross browser issues and client server concepts.
• Contributes to the development of project estimates, scheduling, and deliverables.
• Works closely with QA team to determine testing requirements to ensure full coverage and best
quality of product.
• There is also the opportunity to mentor and guide junior team members in excelling their jobs.
Job Specifications
• BE/B. Tech. Computer Science or MCA from a reputed University.
• 6+ Years of experience in software development, with emphasis on JAVA/J2EE Server side
programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO,
webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks, ESB
etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is
essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.
• This is not a Fullstack requirement, we are purely looking out for Backend resources
· Lead from the front, when it comes to delivering high quality work products. Serve as a mentor to the team members
· Create and define performance metrics. Ideate, innovate and hack through the existing systems to improve performance.
· Perform code reviews, set coding practices and guidelines within the team.
· Make sense of the product specs, be nimble in getting the issues resolved. Be a thought leader. · Solid understanding and knowledge of Java/C/C++. You should understand the concepts of multithreading, I/O, messaging, instrumentation etc and their implementation in Java/Any other Object-Oriented Language.
· Proficiency in the implementation of algorithms and the use of advanced data structures to solve problems in computing. A solid foundation in the principles of computer science is desired.
· Ability to write clean, modular, and loosely coupled code by the use of design patterns.
· He/She should be able to break down and architect complex software systems. For example- Build
Role
- A Golang developer role is to build optimized, scalable, and modular software using required technologies. You are tasked with developing and coding back-end components and connecting applications to other web services.
Authority
- Research and test new technologies
- Collaborating with others to build and develop a quality
- Monitoring and Oversee company’s data
- Managing users and user roles
- Detecting, announcing, and correcting errors
- Proposing alternative solutions
Responsibility
- To cooperate with other stakeholder to design, develop, test, release and improve services
- Maintain development standards, practices & principles
- Build scalable and maintainable software
- Analytical approach on what and how
Requirements
- At least 4 years of experience with Golang.
- Have expertise in implementing micro services (using tools and technologies for messaging, RPC, containerization, etc.)
- Experience working with SQL/NoSQL databases, ability to write complex queries and optimize them
- Understanding of containerization technologies (Docker, RKT, Kubernetes, etc.)
- Basic experience with CI/CD systems (Jenkins, TeamCity, GoCD, Concourse, etc.)
- Basic experience working with AWS/Google Cloud
- Team with top-notch engineers, product managers, program managers, DevOps and QA following agile development methodologies
- Review functional requirements, providing technical feedback on feasibility and architectural approach and framework.
- Design and develop web / mobile applications
- Create Prototype and/or Proof of Concepts (POCs) when necessary
- Act in a technical leadership capacity: Mentor junior engineers and new team members, perform code reviews and apply technical expertise to challenging programming and design problems
- Utilize Agile Development, SCRUM / Pair / Extreme Programming methodologies
- Design and develop supporting components and microservices for the backend tiers focusing on fault-tolerance and scalability in a multi-tenant enterprise environment
- Maintain and improve the functionality and performance of the existing web applications
- Help shape and execute the technical roadmap to develop next generation features; integrate corporate- and product-level architecture principles and goals into the teams project work through designs, implementation strategies, and project planning.
- Drive a culture of quality, technical curiosity, continuous improvement, and evidence-based data driven decision making in the organization.
- Execute other Duties as assigned
- 3+ years of experience developing Backend, API and data-based applications/software
- Experience with one of the major relational databases (MySQL, Oracle, Postgres) and NoSQL databases (Mongo DB, Cassandra, Dynamo DB or such)
- Expert object-oriented programming experience using Java
- Strong OO design and programming skills in Java, Hibernate, JPA, Spring Boot
- Worked in Maven, JPA, REST services, Postman
- Working knowledge on Spring Security / Spring Batch / ZUUL / Eureka / Hysterix
- Exposure with Frontend technologies (React.js, Angular or Ruby-on-Rails)
- Require experience and Strong understanding of entire Software Development Life Cycle (SDLC), Agile (Scrum), Software design/architecture process, unit testing & Test-Driven Development (TDD)
- Experience with web services (consuming or creating)
- Experience managing Cloud infrastructure (resources and service) in AWS, Azure and/or GCP
- Strong knowledge of SOA, object-oriented programming, design patterns, multi-threaded application development
- Experience in reporting and analytics, queuing and real-time streaming systems
- Git or similar distributed SCM tools experience.
Required Technical Skills:
- Java (highly capable)
- SQL (highly capable)
- Strong knowledge of software best practices, build processes, IDEs, database tools (e.g. SQL Developer, SQL Management Studio)
- Strong knowledge of source code control systems (GIT)
- Confident with Windows, Linux, Unix operating systems including command line
- Working knowledge of JIRA
Beneficial Technical Skills:
- .Net
- C
- Javascript
- Experience in test management and test execution
- Experience of Agile development methods
Additional Skills and Behaviour Required
- Experience of full software development lifecycle
- Considers competing solutions and evaluates options to create the best outcome in all aspects of the role.
- Willingness to takes ownership of whole project and engineers assigned.
- Confident to make suggestions and recommendations for improvements.
- Excellent written and verbal communication skills and ability to build good rapport
- Fluency in English, both written and oral
- Collaborates with others to achieve objectives and ensure information flow
- Seeks assistance and feedback as appropriate
Education
- Bachelor's degree (or equivalent) in Computer Science or Engineering or other relevant discipline (MCA, MSc in Computer Science etc.)
- Candidate should have Good Communication and Presentation Skills.
- Candidate should have very Good Logical and Analytical Skills
- Candidate should have Programmatic and Management Skills
- An understanding of the Software Development Life Cycle as well as the business approach for the product.
- Ability to work in a team as well as an individual
- Ability to work under pressure and maintain deadlines
- Knowledge of open source tools and utilities
- Ability to understand Project Requirements







