Java Lead

Wissen; Bengaluru; Hybrid; INR 3,000,000 - 4,800,000; Full time

Job summary

Wissen Technology, Bangalore area, seeks an experienced Java Lead to steer backend architecture and drive mission‑critical systems. You will mentor teams, stay hands‑on with core initiatives, and shape technical direction in a hybrid work setup.

The role demands 12‑15 years of backend Java experience, deep Spring Boot and Kafka expertise, and a proven track record delivering scalable systems.

Qualifications

• Strong hands‑on Java engineering expertise and 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.

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.
• Own and contribute to HLD and LLD discussions for complex technical solutions.
• Develop scalable RESTful APIs and backend services.

Skills

Java 11/17+

Spring Boot

Spring MVC

Hibernate

Apache Kafka

RESTful APIs

Microservices

OOP SOLID

JVM Tuning

Education

MCA/B.E/B.Tech/M.Tech

Tools

PostgreSQL

Oracle

MySQL

Docker

Kubernetes

Job description

Bangalore South, India | Posted on 08/31/2026

Wissen Technology is hiring for Java Lead

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 experiencedJava Technical Leadwith strong hands‑onexpertisein Java backend development, microservices, distributed systems, and event-driven architectures.

The role is suited for a senior technology professional who enjoysleading from the fronttechnically—drivingdesign decisions, solving complex engineering problems, guiding development teams, andremaininghands‑on with critical technical initiatives.

You will have the opportunity to work onhigh‑scale,distributedand mission‑critical applications, while contributing to system design, architecture discussions, engineering standards, and technical strategy

Experience: 12 - 15 Years

Mode of Work: Hybrid

Education Qualification: MCA/B.E/B.Tech/M.Tech

Key Responsibilities:

• Lead the technical design and development of scalable backend applications usingJava 11/17+.
  
• Provide technical direction to engineering teams whileremaininghands‑on with critical development activities.
  
• Design and developmicroservices and distributed systemsusing Spring Boot.
  
• Drive the adoption ofevent‑driven architecture using Apache Kafka.
  
• Design andoptimizeKafka producers, consumers, topics, partitions, consumer groups, replication, and message‑processing workflows.
  
• Own and contribute toHLD and LLD discussionsfor complex technical solutions.
  
• Evaluate technical approaches and makeappropriate designand technology decisions.
  
• Develop scalableRESTful APIs and backend services.
  
• Drive improvements in application performance, scalability, availability, and resiliency.
  
• Conduct design and code reviewsandestablishengineering best practices.
  
• Troubleshoot complex technical and production issues and driveRCA 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.
  
• Identifytechnical risks and proactively address scalability, performance, and maintainability challenges.
  

Core Technical Expertise:

• Strong hands‑on experience withJava 11/17+.
  
• Strong understanding of Collections, Multithreading & Concurrency, JVM, Memory Management, Design Patterns, OOP, and SOLID principles.
  
• Strong experience withSpring Boot, Spring MVC, Spring Data JPA/Hibernate.
  

Microservices & Distributed Systems

• Strong experience designing and developingmicroservices‑based applications.
  
• Good understanding of distributed systems, service-to-service communication, resilience, fault tolerance, caching, and API performance.
  
• Experience building highly scalable andhighly availablebackend systems.
  
• Strong hands‑on experience withApache Kafka.
  
• Good understanding of producers, consumers, consumer groups, partitions, replication, message ordering,deliverysemantics, and Kafka Streams.
  
• Experience designing event-driven solutions for high-throughput applications.
  

Database

• Strong experience with SQL databases such asPostgreSQL, Oracle, MySQL, or SQL Server.
  
• Good understanding of database design, indexing, query optimization, transactions, and performance tuning.
  
• Exposure toAWS, 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

• Stronghands‑on Java engineeringexpertisecombined with technical leadership.
  
• Experience taking ownership of complex technical problems and driving them to resolution.
  
• Strong understanding ofsystem 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 withtechnical leadership and team guidance.
  
• Experience building high-volume, low-latency, and mission-critical applications.
  
• Exposure toInvestment Banking / Capital Markets / Financial Services/FinTech