Wissen Technology is hiring for Java Lead
About Wissen Technology:
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. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. 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 with the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. 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.
Job Summary:
We are looking for an experienced Java Technical Lead with strong hands-on expertise in Java backend development, microservices, distributed systems, and event-driven architectures.
The role is suited for a senior technology professional who enjoys leading from the front technically—driving design decisions, solving complex engineering problems, guiding development teams, and remaining hands-on with critical technical initiatives.
You will have the opportunity to work on high-scale, distributed and mission-critical applications, while contributing to system design, architecture discussions, engineering standards, and technical strategy
Key Responsibilities:
- Lead the technical design and development of scalable backend applications using Java 11/17+.
- Provide technical direction to engineering teams while remaining hands-on with critical development activities.
- Design and develop microservices and distributed systems using Spring Boot.
- Drive the adoption of event-driven architecture using Apache Kafka.
- Design and optimize Kafka producers, consumers, topics, partitions, consumer groups, replication, and message-processing workflows.
- Own and contribute to HLD and LLD discussions for complex technical solutions.
- Evaluate technical approaches and make appropriate design and technology decisions.
- Develop scalable RESTful APIs and backend services.
- Drive improvements in application performance, scalability, availability, and resiliency.
- Conduct design and code reviews and establish engineering best practices.
- Troubleshoot complex technical and production issues and drive RCA and resolution.
- Work closely with architects, product managers, business stakeholders, and engineering teams.
- Mentor senior developers and help raise the overall technical capability of the team.
- Contribute to CI/CD, DevOps, automation, observability, and engineering productivity initiatives.
- Identify technical risks and proactively address scalability, performance, and maintainability challenges.
Java & Spring Boot
- Strong hands-on experience with Java 11/17+.
- Strong understanding of Collections, Multithreading & Concurrency, JVM, Memory Management, Design Patterns, OOP, and SOLID principles.
- Strong experience with Spring Boot, Spring MVC, Spring Data JPA/Hibernate.
Microservices & Distributed Systems
- Strong experience designing and developing microservices-based applications.
- Good understanding of distributed systems, service-to-service communication, resilience, fault tolerance, caching, and API performance.
- Experience building highly scalable and highly available backend systems.
Apache Kafka
- Strong hands-on experience with Apache Kafka.
- Good understanding of producers, consumers, consumer groups, partitions, replication, message ordering, delivery semantics, and Kafka Streams.
- Experience designing event-driven solutions for high-throughput applications.
Database
- Strong experience with SQL databases such as PostgreSQL, Oracle, MySQL, or SQL Server.
- Good understanding of database design, indexing, query optimization, transactions, and performance tuning.
Cloud & DevOps
- Exposure to AWS, Azure, or GCP.
- Experience with Docker and Kubernetes.
- Good understanding of CI/CD, Git, Maven/Gradle, Jenkins, GitHub Actions, or Azure DevOps.
What We're Looking For
- Strong hands-on Java engineering expertise combined with technical leadership.
- Experience taking ownership of complex technical problems and driving them to resolution.
- Strong understanding of system design and scalable distributed architectures.
- Ability to guide technical discussions and influence engineering decisions.
- Experience mentoring senior developers and leading technical initiatives.
- Strong problem-solving and analytical skills.
- Excellent communication and stakeholder management skills.
- Ability to balance hands-on development with technical leadership and team guidance.
- Experience building high-volume, low-latency, and mission-critical applications.
- Exposure to Investment Banking / Capital Markets / Financial Services / FinTech
- Website: www.wissen.com
- LinkedIn: https://www.linkedin.com/company/wissen-technology
- Wissen Leadership: https://www.wissen.com/company/leadership-team/
- Wissen Live: https://www.linkedin.com/company/wissen-technology/posts/feedView=All
- Wissen Thought Leadership: https://www.wissen.com/articles/
Skills Required
- 12–15 years of professional experience
- MCA, B.E., B.Tech., or M.Tech. degree
- Strong hands-on experience with Java 11/17+
- Strong understanding of Java collections, multithreading, concurrency, JVM, memory management, design patterns, OOP, and SOLID principles
- Strong experience with Spring Boot, Spring MVC, Spring Data JPA, and Hibernate
- Strong experience designing and developing microservices-based applications
- Understanding of distributed systems, service-to-service communication, resilience, fault tolerance, caching, and API performance
- Experience building highly scalable and highly available backend systems
- Strong hands-on experience with Apache Kafka
- Understanding of Kafka producers, consumers, consumer groups, partitions, replication, message ordering, delivery semantics, and Kafka Streams
- Experience designing event-driven solutions for high-throughput applications
- Strong experience with SQL databases such as PostgreSQL, Oracle, MySQL, or SQL Server
- Understanding of database design, indexing, query optimization, transactions, and performance tuning
- Exposure to AWS, Azure, or GCP
- Experience with Docker and Kubernetes
- Understanding of CI/CD, Git, Maven or Gradle, and Jenkins, GitHub Actions, or Azure DevOps
- Experience with system design and scalable distributed architectures
- Experience mentoring senior developers and leading technical initiatives
- Strong problem-solving, analytical, communication, and stakeholder management skills
- Experience building high-volume, low-latency, mission-critical applications
- Exposure to investment banking, capital markets, financial services, or FinTech
What We Do
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
