
JOB DESCRIPTION
Experience: 3-8 years
Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. 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. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.

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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Java Developer (Backend) – 3+ Years Experience | Bangalore |
We are looking for a passionate and driven Backend Java Developer who thrives in building scalable systems from the ground up. If you enjoy solving complex problems, working in fast-paced environments, and owning your work end-to-end, this role is for you.
Key Responsibilities:
Design, develop, and maintain scalable backend systems using Java and Spring Boot.
Build and optimize RESTful APIs and microservices architectures.
Write clean, efficient, and high-performance code that can handle large-scale applications.
Collaborate closely with product and business teams to translate requirements into technical solutions.
Take ownership of features from design to deployment, ensuring reliability and performance.
Continuously improve system architecture, performance, and scalability.
Required Skills & Experience:
3+ years of experience in backend development using Java.
Strong hands-on experience with Spring Boot framework.
Proven experience working in product-based startups or fintech environments (preferred).
Solid understanding of microservices architecture and distributed systems.
Expertise in designing modular, scalable, and maintainable systems.
Strong problem-solving skills and ability to write optimized, production-grade code.
Ability to balance technical decisions with business impact.
Who Should Apply:
Candidates who enjoy building systems from scratch and working in early-stage/startup environments.
Individuals with a high sense of ownership, accountability, and initiative.
Developers who are self-driven, adaptable, and eager to learn.
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. 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. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 3 to 8 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
Job Summary:
We are seeking a skilled and experienced Java Developer with hands-on expertise in AWS, Spring Boot, and Microservices architecture. As a core member of our backend development team, you will design and build scalable cloud-native applications that support high-performance systems and business logic.
Key Responsibilities:
- Design, develop, and maintain backend services using Java (Spring Boot).
- Build and deploy microservices-based architectures hosted on AWS.
- Collaborate with DevOps and architecture teams to ensure scalable and secure cloud solutions.
- Write clean, efficient, and well-documented code.
- Optimize application performance and troubleshoot production issues.
- Participate in code reviews, technical discussions, and architecture planning.
Must-Have Skills:
- 4.5+ years of experience in Java development.
- Strong proficiency in Spring Boot and RESTful APIs.
- Proven hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.).
- Solid understanding of microservices architecture, CI/CD, and containerization tools.
- Experience with version control (Git), and deployment tools.
Designation: Java Back End Developer
- Strong in Java , Spring Boot, ver.x (Microservices)
- 5+ year’s software engineering experience working with large scale applications and projects.
- Knowledge of best practice software development methodologies and coding standards.
- General knowledge of public cloud infrastructure and data solutions (e.g. AWS)
- Broad experience designing and developing scalable, resilient, performant applications:
- Distributed systems
- Microservices design and implementation
- Experience working on, and deploying, large scale systems in Java
- Experience with relational DBs like MySQL, SQL Server or Oracle.
Job Overview:
As a Senior Software Engineer, you will work as part of a software development team and be
responsible for designing, implementing, and maintaining the back-end of fast-growing web/mobile
applications.
You could be an ideal candidate if you have a Bachelor's degree in Computer Science from a reputed
college. You need to have expert-level programming skills in Java along with experience in database
management and computer architecture. You should have experience working effectively in software
development teams ensuring tight deadlines are met. You should be passionate about writing elegant
code that solves meaningful real-life problems.
You should have already successfully built and shipped products/modules of significant complexity.
What will your role look like?
● Write well-designed, design pattern-based, testable, efficient, and high-quality code in Java.
● Design (LLD & HLD) and architect technical solutions for the business problems of a large-
scale system and support needs of growing scale.
● Prepare and produce releases of software components.
● Contribute to all phases of the development lifecycle.
Roles and Responsibilities
Who are we looking for?
● B.Tech/M.Tech/MCA degree in Computer Science, Engineering or a related subject
● 2-4 years of relevant work experience.
● Strong problem-solving skills, Computer science fundamentals, Data structures, and
Algorithms.
● Solid OOP and software design knowledge with a great understanding of Design Patterns –
you should know how to create software that’s extensible, reusable, and meets desired
architectural objectives.
● Hands-on experience in Java 8, Spring Boot, and Microservices.
● Excellent knowledge of Databases such as MySQL and MongoDB
● Hands-on experience with caching(Redis), REST APIs, SOAP APIs, JWT, Third-party API
integration, Logging(ELK), etc.
● Experience with all phases of the software development life cycle, best practices, and Agile
Software Development.
● Ability to work autonomously, be excited by new technologies, and never back down from the
challenges of scale.
• You will work on a disruptive product that’s still in its early stages
• Lead development of features within your technical focus area (backend)
• Design and develop secure, clean, clear, scalable, and well-documented
codebase
• Translate objectives into step by step, evaluate, and then refactor into a
scalable and extensible design
• Exercise high end-to-end ownership and initiative of their tasks
• Design, develop, ship, and maintain medium or high complexity features
with little guidance from a more experienced engineer
• Research on new technologies and tools to improve products
• Mentoring other engineers, defining our technical culture, and helping to
build a fast-growing team.
Qualifications
• 2-4 years of experience of building backend services
• Familiar with REST and event driven constructs
• Well-versed in one of the following languages: Java, Go-lang, or Python
• Data modelling experience in Relational and NoSQL databases
• Proficiency in OOP, SQL, Design Patterns, and software best practices
• Well-versed in standard web frameworks such as Spring Boot / Django
• A supportive and highly collaborative attitude to work with cross-
functional teams on a daily basis
• A passion for learning new stacks and taking on new challenges
• Ability to break-down larger/fuzzier problems into smaller ones in the
scope of the product
- Strong experience with REST/SOAP web services, JSON, XML and design patterns.
- Good knowledge of Data Structures and Advance DS
- Proficient in test-driven development, latency problem solving, architecture solving and high-level troubleshooting.
- Good understanding of Database and SQL queries.
- Highly proficient in analytical and problem-solving skills with attention to details.
- Demonstrated Agile (Scrum) experience.
- Experience with full software lifecycle and deploying applications to Production.
- Must be a self-starter/self-directed member of the team.
- Must have the ability to translated user requirements into design and implementation.
- Highly proficient in written and communication skills.
Software engineering takes the central roles for building products and systems. You will be responsible for designing, building, improving, or maintaining our web applications, third-party data integration, data API, backend systems, or working with monitoring tools and infrastructure may work on our search engine including scoring and relevance, reservation engine, automated pricing engine, business process engine, data applications, devops-related applications, and other
new projects.
You will work in cross-functional teams and meet great people regularly from top tier technology, consulting, product, or academic background. We work in open environment where there are no boundaries or power distance. Everyone is encouraged to speak their mind, propose ideas, influence others, and continuously grow themselves. Get the exposure to multi-aspect, collaborative, intensive startup experience with our recent expansion into Southeast Asia and exploration of new product
Qualifications
Having minimal 3 years of experience in software engineering, application development, or system development
Excellent understanding of software engineering concepts, design patterns, and algorithms
Comfortable working up and down the technology stack
Curiosity to explore creative solutions and try new things
Bachelors' degree in Computer Science or equivalent from a reputable university











