
Experience: 3 to 5
Location: Bangalore
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. - 3 to 5 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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• Guides the performance tuning and scalability of the ecommerce solution
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Your Skills & Experience:
• 4-8 Years with 2+ years of implementing commerce application on any eCommerce platform in last 3 years
• If you have not worked in eCommerce platform, we can still discuss with you if you are expert in Java/Net and understand REST/SOAP webservices.
• Demonstrate proficiency in build and release management using CI/CD strategies (leveraging tools like Jenkins and DevOps practices), implement Mocha/Chai unit and functional test cases in order to reduce costs while ensuring quality
. Contributes to designing, implementing and documenting the build release process as well as system configuration and deployment characteristics of the applications
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• Guides the development of reference and resource materials
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Set Yourself Apart With:
• eCommerce platform certification
• Security considerations – OWASP, CSRF, reCAPTCHA etc. – Basic knowledge or experience
• Git Development workflow – Proficient
• Visual Studio Code IDE or Eclipse IDE - Proficient
• Knowledge on Agile methodology and desired tools like Jira, confluence etc.
• Scripting/development experience with Node.js, Mocha/Chai
• Experience working in any Salesforce cloud environment like SFMC, SFSC etc.
• Excellent written, verbal communication and articulation skills & Good team player
• Self-starter and self-learner with keen interest to grow
• Process orientation and the ability to define and setup processes
• Ability to provide necessary coaching to bring team members up to speed on the technology
• Ability to prioritize and manage multiple tasks
• Excellent and innovative approach to problem solving and finding solutions
• Flexible and proactive/self-motivated working style with excellent personal ownership of problem resolution
You have 3 to 14 yrs of software engineering & product delivery experience with strong
background in datastructures & algorithms
• You’ve proven software development credentials having successfully built complex
products
• You are experienced with one or more general programming languages (e.g. Java, C/C++,
Go). Ability to learn other coding languages as needed.
• You’ve proven software development credentials having successfully built complex
products
• You have a strong foundation in the fundamentals of computer science, with familiarity in
data structures, algorithms and a strong command of object-oriented principles.
• You have experience in one or more of the following areas: Server Backend, Distributed
and Parallel Systems, Full Stack Development (frontend and backend), Scalable Enterprise
Platforms and Applications, Application Security and Incident Management, Android,
iOS, and Machine Learning.
• You have a spark that separates you from the crowd and ability to think out of the box and
on your feet
• You possess multi-dimensional skills that make you a valuable co-worker in a fast,
changing and ambiguous environment
• You have the ability to learn other coding languages as needed real quick
• You are comfortable in working with a team that deals with ambiguity every day
Responsibilities:
- Experience and working knowledge of Java 8, Hibernate, Spring Boot, Microservices and REST API is mandatory
- Expert understanding of the object-oriented design and programming concepts
- Strong problem solving skills, data structures and algorithms and multithreading
- Good understanding of AWS and cloud-native technologies
- Knowledge of AWS services - RDS, DynamoDB, Elastic Search, Kinesis. Experience of working with AWS SDK is preferred.
- Good understanding of CI/CD and Jenkins pipeline
- Experience of writing unit tests using Junit/Mockito
- Knowledge of Integration Testing framework like Cucumber is required.
- Proficient in Git commands and branching concepts
- 3+ years of overall experience
- Understanding about AWS - EC2, S3, RDS etc
- Extensive experience building and refactoring Java applications
- Good work experience with Message Que - Ka a, Rabbit MQ, etc
- Understanding and experience building high-performance, scalable algorithms.
- Understanding of Agile or Kanban / Lean so ware development methodologies- Experience using modern build
tools such as Maven, Jenkins, Github, etc. a plus - Be hands-on, willing to dig in and crank out code.
- Be a learner, able to explore new areas, learn new things, and quickly apply them to solve new problems.
- Be a spark, bring energy, passion and creativity to work every day.
Good to have
- No-sql experience ( dynamo , mongo , Cassandra etc. )
- Datadog or similar monitoring tool
- Docker exposure
|
¡ Solid Design and Architecture skills. Experience in the designing, development, and deployment of large-scale enterprise applications with multiple tiers. |
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¡ Ensure agile test-driven development for robustness, usability, reliability, security and performance. |
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¡ Expert in Core JAVA and Spring Boot and other Spring libraries, Eureka, Hystrix etc. |
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¡ Experience creating architecture or developing web services to integrate applications with databases such as Oracle, MySQL, MongoDB, or Cassandra |
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¡ Solid understanding of OOPS, algorithms and data structures. |
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¡ Experience on Kafka / Scala / Storm / Elastic Search and Web Services like RESTful / SOAP. |
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¡ Extensive experience with version control systems (Git is preferred) and issue tracking systems (JIRA is preferred) |
- A Bachelors or master’s degree in engineering.
- 2-4 years of experience in software product development.
- Excellent in Data structure, Algorithms & Problem-solving skills.
- Should be willing to code in Node.js/Java/Python/ROR/Golang
- Write extensive, efficient code to address complex modules and that handles interaction between multiple components.
- Customer-focused, react well to changes, work with teams and able to multi-task.
- Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.
- Must be a self-starter who can work well with minimal guidance and in fluid environment
Company Introduction (apna)
We are building a novel platform to create better economic opportunities for the blue/grey
workforce around the world. We are a very product focused and customer obsessed company. Delivering high quality products at lightning speed is our USP. If you are looking for challenging work and rapid merit based growth in your career, look no further and welcome aboard.
Checkout our product on Google Play store apna - Job Search App | Job Groups
Job Description
We are looking for a Senior Back-End Engineer responsible looking for engineering ownership of one/many products at apna. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end (Android + WebApp). A basic understanding of front-end technologies is therefore necessary as well.
Responsibilities
● Take ownership of end-to-end product development
● Be champion of Test Driven Development methodology
● Building reusable code and libraries for future use
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Technical Documentation around the owned product
Skills And Qualifications
● Expert level in OOPS concepts and REST API development
● Proficiency in one or more of the following languages: Python, Java, Ruby, Go
● Knowledge around ElasticSearch, Celery, Redis is must
● Integration of multiple data sources and databases into one system
● Implementing automated testing platforms and unit tests
● Proficient understanding of code versioning tools, such as Git
● Knowledge of GCP would be a plus
Perks
● Have autonomy to work from home. Only one rule: Get things Done!
● We promote and celebrate team members contributing at a variety of professional
conferences and events. Be a speaker, contribute to open sourcepublish academic
work, publish an online blog showing your expertise. we are here to encourage you!
● You join us in your current area of expertise and let us know about your personal
professional goals. Looking to start your company? Further studies at the best institutes?
Want to change career track? We make sure you reach there!
● Generous pool of ESOPs
Job Title : Sr Java Developer
Job Description
We are seeking a well experienced full stack Java developer for our product. As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs.
Roles and responsibilities?
- Design, develop and implement software programming applications.
- Build highly scalable product.
- Participate in gathering business requirements and assessing existing architectures and resources.
- Work with application development team in delivering the project and deliverable within time and with good quality.
- Perform unit testing, oversee quality assurance of applications through system testing.
- Establishes processes for performance and conducts code review.
- Manage and mentor junior members of the team on good coding practice
Skills and experiences would I bring into this role?
- E/ B.Tech / MCA in computer science or a related field
- 4+ Years of Java/J2EE work experience.
- Object-Oriented design, patterns, algorithms, data structures
- Well knowledge about Spring Hibernate framework.
- Exposure to React JS / Angular JS.
- Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
- Experience in Web services (REST or SOAP)
- End to end web development experience is highly preferred
- Good understanding of unit testing methodologies.
- Good analytical and communication skills
- Startup work culture mindset.







