Java Developer

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.

Required Skills & Qualifications

• Bachelor's/Master’s in Computer Science or related field
• 5–8 years of backend development experience
• Strong in Java, Spring Boot, REST APIs, and microservices
• Hands-on experience with MySQL/PostgreSQL and NoSQL databases
• Strong debugging, problem-solving, and communication skills
• Ability to work independently and in cross-functional teams

Preferred Traits

• Proactive mindset with a knack for identifying and fixing bottlenecks
• Detail-oriented with a passion for clean, maintainable code

Team-oriented with a drive for continuous learning and improvement

Roles and Responsibilities

Full Time @ Anywhere in India

3+ years

• Architecting and implementing the solutions we build
• Working with the team, client and project manager to efficiently deliver projects
• Translating business needs to technical solutions and communicating with the client
• Ensuring that good programming practices are followed
• Supporting other engineers’ growth with your expertise and mentorship
• Taking part in internal initiatives such as performance reviews, technical recruitment, estimation of pre-sale projects

• 2+ years of experience in Spring boot Framework
• Experience with REST- JSON, SOAP/XML is mandatory
• Proven working experience in Java development
• Experienced in Server Side Java, J2EE, Servlets, Spring/Spring boot, Hibernate JAXB, JAX-WS, MySQL/PostgreSQL, Junit
• Knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate).
• Hands-on experience in designing and developing applications using Java EE
• Platforms with Open Source Frameworks - Spring/Spring boot, XML, Integration with SOAP and RESTful Web Services, WS security.
• Experience with test-driven development
• Experience with GIT and Maven.
• Experience with Spring Security.

Role

Backend engineers at AssetSprout work on our products. They include software for Certified Financial Planners, their clients, and also internal admin tools. They work with the CTO, frontend engineers, and other backend engineers to deliver towards the company’s vision.

Responsibilities

• Develop and own product features end to end in a scalable, secure and maintainable way. The buck stops with you on whatever you own.
• Provide technical solutions through design, architecture and implementation. Wear multiple hats in delivering greenfield projects from concept to production. 
• Establish, advocate and bring your experience on coding styles, best practices, and in scaling the product from MVP to production.
• Iterate fast. Display maturity in prioritizing towards velocity while balancing quality. As a startup, we break or make on how fast we deliver.
• Teach and mentor other backend engineers. Focus on providing technical expertise and solutions regardless of how long one has been working professionally.

Requirements

• We are language and framework agnostic as long as you can pick up new technologies.
• Proficient and expert level coding skills with any of the programming languages, preferably Java, Kotlin. Experience in Python, C++, Scala etc. is welcome.
• Develop web applications and services using Spring Boot. Experience with Akka, Play, Flask, Django is welcome.
• Write automated tests with any of the frameworks. We measure success on how well your code is unit tested and integration tested.
• Advanced level understanding of RDMS systems, preferably Postgres. Working knowledge of non-relational databases such as DynamoDB, Cassandra is helpful
• Able to use CI/CD tools such as CircleCI, GitLab, Jenkins etc. and create workflows and pipelines to release to production every other day.
• Expert level understanding of RESTful APIs, pagination, networking concepts around HTTP, thread pools, and other server-side concepts.
• Solid experience of how AWS services work. Some cloud services directly relevant are Lambda, EC2, S3, Dynamo, RDS, Eventbridge, SQS, ElastiCache Redis, Load Balancers etc.

Good-to-haves

• Early or mid-stage startup experience
• Eager to work in a flat organization with no corporate politics
• Positive energy with a get-it-done attitude.
• Worked in a remote environment and high trust and high responsibility role
• Working knowledge of build systems like Gradle, Maven, Bazel, Webpack etc. We use Gradle

• 5 years of experience as Java/Jee Developer, Springboot
• Good knowledge of OOPS concepts.
• Experience in Java8, JSP, Spring Core, Spring MVC, Spring Rest & Spring JPA Repository
• Experience in Hibernate, relational databases and sql.
• Experience in Rest API development.
• Experience in implementation of Jasper Reports
• Familiar with Git & Maven

Our client is looking out for an Associate Architect who has strong experience in to Technology

You will be involving in design, coding &scaling the product.

Collaborate with cross functional teams to solve complex problems.
You will be designing large scale distributed system.

Requirements:

8+ years of hands-on experience in developing, designing & scaling complex systems

Programming experience in Java, spring, Hibernate and MongoDb, micro services

Looking for Java Developers with hands on experience in 

Core Java – Java 8, Multithreading

Spring

Spring Boot

Microservices

Web Services(REST/SOAP)

Nice to have MQ or Kafka experience