Java Developer

JOB DESCRIPTION

Experience: 3-8 years

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. - 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.

🚀 We’re Hiring: Software Development Engineer (Backend) | Onsite in Pune

We’re currently hiring for our client – a high-growth fintech company backed by top global investors with $14M+ raised.

Our client is on a mission to simplify the CFO stack for fast-growing businesses. From smart corporate cards to automated vendor payments and streamlined procurement, they empower companies across industries to transform financial chaos into clarity.

Now, they are looking for a passionate Backend Engineer to join their Engineering team in Pune (onsite).

🔹 What You’ll Do

• Design, build, and maintain scalable backend systems using Kotlin, Micronaut & Spring Cloud
• Collaborate with engineers to ensure reliability, security & performance
• Write clean, test-driven code with unit tests & TDD
• Contribute to new features, integrations & backend architecture
• Work on microservices, event-driven systems, and clean architectures

🔹 What We’re Looking For

• 3+ years of experience in backend development with Kotlin, Micronaut, Spring Cloud (or similar)
• Strong grasp of unit testing & TDD
• Exposure to DDD, CQRS, Clean/Hexagonal Architecture, Microservices, Multi-tenancy, Event Sourcing is a big plus
• Problem-solving mindset with strong analytical skills
• Excellent team player with clear communication

🔹 Bonus Points

• Experience in fintech or B2B spend management
• Familiarity with Azure, Docker, Kubernetes

📍 Location: Pune, Maharashtra (Onsite)

If you’re excited about solving complex engineering challenges in fintech and want to build products that make an impact, we’d love to connect!

• 5+ years of software development experience in Java 8+ and Microservices.
• Experience in developing micro services. Experience in developing High Cohesion & Loosely Coupled Micro Services.
• Experienced in skills of requirement, analysis, design, develop, Java, springboot, microservices, rest api, AWS, lambda, EC2, Jenkins, design pattern, spring security, splunk, auth, docker, SOLID
• Hands on experience on Microservices Architecture.
• Should have excellent acumen in Data Structures, algorithms, problem-solving and Logical/Analytical skills. Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
• Experience with Multithreading, Concurrent Package and Concurrent APIs
• Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
• Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
• Hands-on experience with Message Broker like Kafka/Rabbitmq or other. Hands-on experience in creating RESTful webservices and consuming web services. Hands-on experience with spring Cloud/Spring Boot.
• Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
• Experience of writing Junit test cases using Mockito / Powermock frameworks. Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
• Hands on experience on Cloud deployment/development like AWS/Azure/GCP.
• Good communication skills and ability to work with global teams to define and deliver on projects. Sound understanding/experience in software development process, test-driven development.

• Gender Neutral /Diversified Culture
• 51 Leaves annually
• Insurance covered for family
• Incentives, Bonus
• Permanent WFH Option
• Generous parental leave and new parent transition program
• Flexible work arrangements

• Collaborate with teams to develop and support the smooth 24x7 operation of our service.
• Create prototypes and proofs-of-concept for iterative development.
• Stay updated with emerging tech cultures and implement them in production systems.
• Develop scalable, long-term strategies to aid the company’s 10X growth.
• Ensure content quality and consistency of the brand.
• Reduce technical debt with quality coding

• BTech degree in computer science or related field.
• 4-10 years of relevant work experience.
• Strong knowledge of any of the databases like MySQL, NoSQL, SQL Server, Oracle, PostgreSQL.
• Experience in Java and web technologies.
• Experience in scripting languages like Python, PHP, etc.
• Hands-on experience with systems that are asynchronous, RESTful and demand concurrency.
• Knowledge of best software engineering practices for all stages of software development life cycle

• 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