Wissen Technology - Java Technical Lead (8-15 yrs)

Role : Lead Java Platform Engineer

Experience: 8+ years (core Java)

Core Tech: Java, REST APIs, SQL/NoSQL

Domain:

Financial Services

About the role:

Were seeking a highly experienced and passionate Senior Java Platform Engineer to join our team. Youll play a crucial role in designing, developing, and maintaining the robust, scalable platform services that underpin our core financial applications. This role demands a deep understanding of core Java principles, a proven track record of building high-performance APIs, and extensive experience in the financial services industry.

What youll do:

Design & development:

- Design, develop, and maintain high-performance, scalable, and reliable platform services in Java.

- Build and consume RESTful APIs and other web services.

- Write clean, well-documented, testable code, and contribute to code reviews and quality.

Platform engineering:

- Contribute to the architecture and design of our platform services.

- Optimize platform performance and scalability and troubleshoot complex technical issues.

- Ensure the security and reliability of the platform.

Data management:

- Work across SQL and NoSQL databases.

- Design efficient data access patterns and apply sound data modelling principles.

Financial services expertise:

- Apply deep knowledge of financial industry practices, regulations, data, and systems.

- Work with sensitive financial data structures, with the care that requires.

Automation & workflow:

- Use Python for scripting and automation tasks.

- Apply (or build) exposure to Apache Airflow or similar tools for data pipelines and scheduling.

Collaboration & communication:

- Collaborate with cross-functional teams - product managers, QA engineers, and developers.

- Communicate clearly with both technical and non-technical stakeholders.

- Mentor junior engineers.

What youll bring:

- Bachelors or Masters in Computer Science or a related field.

- 8+ years of experience in core Java development.

- Extensive experience building and maintaining platform services.

- Strong grasp of object-oriented programming principles and design patterns.

- Proven experience designing and developing RESTful APIs.

- Deep knowledge of concurrency, multithreading, and performance optimization.

- Hands-on experience with SQL and NoSQL databases.

- Significant experience within the financial services industry.

- Exposure to Python for scripting and automation.

- Exposure to Apache Airflow or similar workflow management tools.

- Excellent problem-solving, analytical, communication, and collaboration skills.

- Experience with Agile development methodologies.

Nice to have:

- Cloud platforms (AWS, Azure, or GCP).

- Containerization and orchestration (Docker, Kubernetes).

- Message queues (Kafka, RabbitMQ).

- Knowledge of financial regulations and compliance requirements.

About Wissen Technology:

Wissen Technology is a specialized consulting firm that helps organizations in Banking & Finance, Telecom, and Healthcare build world-class products. Since 2015, weve grown to 1,000+ engineers across the US, UK, India, Australia, Mexico, and Canada and we are a certified Great Place to Work .