
JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
Wissen Technology is now hiring for a Senior 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. - 5-8 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 Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Website : www.wissen.com

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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Position Type: Internship (Full-Time or Part-Time)
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Duration: 12 weeks
Compensation: Unpaid (***3000 INR is just a placeholder***)
About the Role
We are seeking a motivated Backend Developer Intern to join our engineering team and contribute to building scalable, efficient, and secure backend services. This internship offers hands-on experience in API development, database management, and backend architecture, with guidance from experienced developers. You will work closely with cross-functional teams to deliver features that power our applications and improve user experience.
Responsibilities
- Assist in designing, developing, and maintaining backend services, APIs, and integrations.
- Collaborate with frontend engineers to support application functionality and data flow.
- Write clean, efficient, and well-documented code.
- Support database design, optimization, and query performance improvements.
- Participate in code reviews, debugging, and troubleshooting production issues.
- Assist with unit testing, integration testing, and ensuring system reliability.
- Work with cloud-based environments (e.g., AWS, Azure, GCP) to deploy and manage backend systems.
Requirements
- Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or related field.
- Familiarity with one or more backend languages/frameworks (e.g., Node.js, Python/Django, Java/Spring Boot, Ruby on Rails).
- Understanding of RESTful APIs and/or GraphQL.
- Basic knowledge of relational and/or NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
- Familiarity with version control (Git/GitHub).
- Strong problem-solving skills and attention to detail.
- Ability to work independently in a remote, collaborative environment.
Preferred Skills (Nice to Have)
- Experience with cloud services (AWS Lambda, S3, EC2, etc.).
- Familiarity with containerization (Docker) and CI/CD pipelines.
- Basic understanding of authentication and authorization (OAuth, JWT).
- Interest in backend performance optimization and scalability.
What You’ll Gain
- Hands-on experience building backend systems for real-world applications.
- Exposure to industry-standard tools, workflows, and coding practices.
- Mentorship from experienced backend engineers.
- Opportunity to contribute to live projects impacting end users.
Exp: 4-8yrs
Notice period: Max 30 days
Location: Andheri East
Working Days- 6 Days with Sunday off (2nd Saturday off as well)
Key Responsibilities:
Design, develop, and maintain WinForms applications.
Knowledge of .NET languages including C#, & Winforms is Mandatory.
Collaborate with cross-functional teams to define, design, and implement new
features.
Write clean, scalable, and efficient code using C# and ASP.NET.
Develop and maintain SQL Server databases, including writing complex
queries and stored procedures.
Troubleshoot, debug, and optimize existing applications.
Participate in code reviews and contribute to team knowledge sharing.
Ensure application security, performance, and reliability.
Qualifications:
Bachelor’s degree in Computer Science, Information Technology, or a related
field.
Minimum of 3 years of experience in .NET development.
Required Qualifications:
- 5+ years of professional software development experience.
- Post-secondary degree in computer science, software engineering or related discipline, or equivalent working experience.
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- Mastery of both Windows and Linux environments and their use in the development and management of complex distributed systems architectures.
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software products.
● Degree in Computer Science, Maths, or equivalent.
● Experience with AWS or Google Cloud or Azure.
● Experience with RDBMS and NoSQL: MySQL/MariaDB or PostgreSQL,
DynamoDB or MongoDB.
● Fluent in common design patterns, modular architecture, microservices, and a
demonstrated web and polyglot development experience.
● Passionate about distributed computing and building applications that are
robust, scalable, and keep the customers happy.
● Proficiency in programming languages such as Java, Scala; a strong foundation
in data structures, algorithms, understanding of threads, synchronization, and
concurrent programming.
● Experience with deployment, configuration, automation tools, and DevOps
methodologies.
● Understanding of Internet security models, REST API, and application
integration.
● Good to have some understanding of Serverless.
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* Design, build, and maintain efficient, reusable, and reliable Java code
* Ensure the best possible performance, quality, and responsiveness of the applications
* Identify bottlenecks and bugs, and devise solutions to these problems
* Help maintain code quality, organization, and automatization
* Prepare the technical design of complex technology components
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* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java
* Solid understanding of object-oriented programming along with various design and architectural patterns
* Hands on experience with Spring, Spring Boot, JUnit
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•Hands on experience in Object oriented programming
•Hands on experience in Java, SpringBoot (min 2 years) or kafka or Cassandra or MongoDB
•Experience with developing/enhancing applications connecting to different Databases : Oracle/MySQL/Cassandra/MongoDB
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•Experience in Xpath or XML or REST or JSON or protobuff
• Experience with software version control (such as git)
•Experience in working in an agile environment such as Scrum.
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•Experience in public cloud PaaS (AWS, GCP, Azure)
•Real time stream data handling (Kafka, Kinesis
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• Hands-on experience with cloud infrastructure, solution architecture on AWS or Azure
• Prior experience working as a Full-stack engineer building cloud-native, SaaS products.
• Expertise in programming and designing circuit breakers, the localized impact of failures,
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• Proficient in designing and developing SAAS on Microservices architecture
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• Deeps Hands-on experience on Microservices in Spring Boot and in large scale projects in
Spring Framework
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running on memory and compute efficient data structures.
• We value Polyglot engineers a lot, hence experience in programming in more than one
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• Excellent communication skills and collaboration temperament
• Articulation of technical matters to Business Stakeholders, and the ability to translate business
concerns into technical specifications.
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Good To Have:
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• SRE and Observability implementation experience
• Refactoring Legacy products to microservices
We are looking for a talented and motivated engineer to join our fleet and help us solve real-world problems in this exciting field. Join us and share the dream of building the next generation online platform for the Auto industry.
What you'll do :
- Design and architect our core components
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Technologies you'll use :
- Microservices, AWS, Java, Spring-boot
- Nginx
- PostgreSQL, Redis
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- Gradle
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What you are :
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- You are a self-starter
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- You have good knowledge of Databases: RDBMS/Document
- You have worked with server technologies: Spring / Dropwizard / Tomcat/Spring Boot
- You have a good understanding of REST API design
- You believe in clean and maintainable code










