
Experience: 5 TO 8
Location: MUMBAI
Wissen Technology is now hiring for a Java Developer - 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. - 5 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 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.

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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A SaaS startup founded in April 2020.
What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers.
We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products
○ Spring
○ PostgreSQL
○ Redis ○ Docker
○ Message brokers
○ GitHub
● These non-functional areas are familiar to you
○ Performance
○ Debugging
○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for you?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
Job Responsibilities:
* 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
Mandatory Skills:
* 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
* Familiarity with concepts of MVC, Microservices, RESTful
-
Founders
-
https://www.crunchbase.com/person/ashwin-rajeeva" target="_blank">Ashwin Rajeeva,https://www.crunchbase.com/person/gaurav-nagar-68ab" target="_blank"> Gaurav Nagar,https://www.crunchbase.com/person/raghu-mitra-kandikonda" target="_blank"> Raghu Mitra Kandikonda,https://www.crunchbase.com/person/rohit-choudhary" target="_blank"> Rohit Choudhary
Founder and CEO- https://www.linkedin.com/in/rconline" target="_blank">linkedin.com/in/rconline
Fundings Discussion and Interviews- https://www.youtube.com/watch?v=5J6jDS7mxXk&t=2s" target="_blank">https://www.youtube.com/watch?
Acceldata Demo- https://www.youtube.com/watch?v=icveuPmfypM" target="_blank">https://www.youtube.com/watch?
Co-Founder- https://www.linkedin.com/in/w1nash" target="_blank">linkedin.com/in/w1nash
Product Responsibilities:
As an Engineering Manager, you will be responsible for the end-to-end delivery of one or more products and solutions.
10+ years of relevant industry experience.
Be technically strong and deliver product excellence.
Collaborate with your team and cross-functional partners to define and influence strategy.
Drive roadmap creation and execution.
Collaborate with various functions, drive engineering initiatives, and have an impact at an organizational level.
Participate in technical design. You will be the owner of the technical direction of the products.
Define clear OKRs and measure the impact of your team and individual members.
Evangelize your products across various teams and also to external customers.
Work with the GTM team to deliver success for the products.
Collaborate with the Recruitment/HR team to hire exceptional talent for your own team and also for other teams.
Minimum Qualifications:
Bachelor degree preferably in Computer Science from a reputed engineering college.
10+ years of proven experience, with 2+ years of leading a team.
Very strong in hands-on coding.
8+ years of combined experience in JVM languages(Java, Scala, Kotlin, etc), any scripting language like python, relational and non-relational databases.
Very strong in system design. You should have designed and implemented large-scale Web applications or data systems.
Strong verbal and written communication skills.
Demonstrated experience recruiting and managing technical teams, including performance management.
Good to have:
Don't worry, we'll ramp you up, but experience in any of these areas will help you hit the ground running:
Familiarity with technologies such as Apache Spark, Apache Hadoop ecosystem, and modern warehouses like Snowflake, AWS Redshift, etc.
Experience working with public cloud systems such as AWS, GCP, or Azure.
Experience with containerization and technologies such as Kubernetes and Docker.
Knowledge of large-scale, data-heavy distributed systems.
Desired Candidate Profile
- A team focus with strong collaboration and communication skills
- Exceptional ability to quickly grasp high-level business goals, derive requirements, and translate them into effective technical solutions
- Exceptional object-oriented thinking, design and programming skills (Java 8 or 11)
- Expertise with the following technologies : Data Structures, Design Patterns ,Code Versioning Tools(Github/bitbucket/..), XML, JSON, Spring Batch Restful, Spring Cloud, Grafana(Knowledge/Experience), Kafka, Spring Boot, Microservices, DB/NoSQL, Docker, Kubernetes, AWS/GCP, Architecture design (Patterns) Agile, JIRA.
- Penchant toward self-motivation and continuous improvement; these words should describe you: dedicated, energetic, curious, conscientious, and flexible.
- Working on test-driven development.
- Working on continuous integration and continuous development pipeline.
Technical specifications/Skill Set:
- Minimum of 5+ years of significant experience in application development.
- Proficient with software development lifecycle (SDLC) methodologies like Agile, Test- driven development
- Knowledge of system architecture, object-oriented design, and design patterns.
- Required technical skills: Strong Core Java, J2EE, Spring boot, Akka, API development & distributed application development experience.
- Desirable technical skills: Micro-services pattern, Kafka, Knative Eventing, Camel-K, Container Technologies like Docker, Kubernetes, NoSql preferably Cassandra.
- Experience working with high volume data and computationally intensive system.
- Domain knowledge in Financial Industry and Capital Markets is a plus.
- Excellent communication skills are essential, with strong verbal and writing proficiencies.
- Perform requirement gathering, analysis and design
- Develop, create, modify and fix software applications
- Complete Unit & Integration Testing
- Deploy software
- Initial Validation after deployment
- Create documentation
- Troubleshooting and problem solving
Requirements
- Educational Background
- Experience (0+ years)
- The person should be proficient in Computer Science. Get your basics right, we will teach you everything else!
Examinations
- You will be asked questions concerning the following topics, Networking, Data Structures, Design patterns, Algorithm Analysis, and Concurrency. The questions are all language agnostic.
- You will also be asked to code a trivial Java program that meets specific requirements.
- Java, Maven, Spring-boot, REST/RESTful services, Javascript, Node.js, Angular, React,
Our Stack
- SQL, NoSql, Hibernate, Java Persistence API (JPA),
- Shell Scripting, Powershell scripting,
- JSON, XML
Benefits
- Unlimited Leave policy
- Apart from unlimited policy 9-Public Holiday over the year (Jan to Dec)
- Medical policy coverage up and above your CTC
- Unlimited scope to learn technology - no restrictions team wise/project wise
- Wonderful work culture
- Life time WFH for candidates outside Kolkata
- Opportunity to work with a product based company
- Weekly 2 days fixed off
- This is a remote position. Sath Infotech Pvt. Ltd is an established IT Security Consulting firm and is looking for developers to join its team. This role will work with team members, client stakeholders, and individuals to support and enhance Identity and Access Management and other security applications. Should be proficient in Computer Science.
- If you like working with IT professionals across a variety of Enterprise Level Environments with diverse processes and configurations to identify and solve complex problems, Sath Infotech can offer a career path to become a subject matter expert in the high demand roles of Cyber Security Analyst/Consultant, Enterprise IT Auditor or IT Project Management.
Experience: 4+ years
Work Location: Bengaluru
About the role: At Bizongo, we believe in delivering excellence which drives business efficiency for our customers. As Software Engineer’s at Bizongo, you will be working on developing next generation of technology that will impact how businesses take care of their process and derive process efficiency. We are looking for engineers who can bring fresh ideas, function at scale and are passionate about technology. We expect our engineers to be multi dimensional, display leadership and have a zeal for learning as well as experimentation as we push business efficiency through our technology. As a Software Engineer, Backend, you'll not only be building feature end-to-end but will also make sure that code is of the highest quality, optimised and scalable.
Must-haves: Excellent in data structures, analyzing and solving problems.
Excellent understanding of Object Oriented Programming and MVC. B.Tech/B.E. in Computer Science and Engineering.
Understanding of RESTful APIs Write scalable, production level services. Knowledge of Test Driven Development Thorough with using Git Performance optimization, SQL tuning, caching techniques.
Understanding of how the web works in general You can’t live without writing beautiful code.
Knowledge of creating fault-tolerant, extensible, reusable architecture Passionate to work in a start-up
It would be a plus if: You have extensive Knowledge of Ruby on Rails.
You understand prevalent design patterns.
You have good knowledge of Front-end development (End-to-end Full Stack development).
You are flexible to work on any Tech Stack.
Why work with us?
Opportunity to work with "India’s leading B2B" E-commerce venture. Working in Bizongo translates into being a part of a dynamic start-up with some of the most enthusiastic, hardworking and intelligent people in a fast - paced and charged environment. Being a company that is expanding itself every day and working towards exploring newer avenues in the market, every employee grows with the company. The position provides a chance to build on existing talents, learn new skills and gain valuable experience in the field of E commerce.
· 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
Must have skills :
JAVA 8, Apache Camel, Design Patterns, Web Services (REST), RabbitMQ, Build Tool (Maven or Gradle), Version Control (SVN or Git), SQL/PLSQL, Javascript, HTML, CSS, JQuery, Application Server (Websphere/JBoss/Weblogic etc.), JUnit.
Preferred skills :
- Spring, Spring MVC, Spring Boot, Hibernate/Spring Data JPA, .
- Experience working on Node JS/Angular JS/React JS
- Working experience on Docker
- Experience working on Agile methodologies
B.E/B.Tech/M.C.A/M.Sc(Computer science ) with first division.
- AWS Cloud exposure.
- Basic skills in using the Unix operating system logging on, sudo to another ID, navigating directory structures, debugging simple problems.
- Hands-on experience with building enterprise applications.
- Excellent trouble-shooting skills.
- Thoroughly understanding business problems and the business domain, and how potential solutions may address problems and enhance business capabilities.
- Experience in designing/development (design patterns) and testing of enterprise class systems.
- Good written and verbal communication skills.
- Ability to adapt to changing requirements.
- Ability to take direction and work with minimal supervision.
- Ability to work in deadline driven environment, and respond creatively to pressure.
- Ability to work on multiple projects simultaneously.








