
Lead Java Platform Engineer
Build the high-performance platform services behind our core financial applications.
EXPERIENCE
5+ years (core Java)
CORE TECH
Java · REST APIs ·
SQL/NoSQL
DOMAIN
Financial Services
About the role
We’re seeking a highly experienced and passionate Senior Java Platform Engineer to join our
team. You’ll 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 you’ll 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 you’ll bring
– Bachelor’s or Master’s 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, we’ve grown to
1,000+ engineers across the US, UK, India, Australia, Mexico, and Canada and we are a
certified Great Place to Work ®.

About Wissen Technology
About
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.
Connect with the team
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