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Fullstack Senior Software Engineer (Java + React), hybrid, Assistant Vice President

State Street
Gdańsk, Polandfull_timeVerifiedPosted 22 Dec 2025
💰 PLN 182,004/yr

About the role

About the role

Charles River Development (CRD) is the FinTech division of State Street.  Together with State Street’s Middle and Back-office services, Charles River’s cloud-based Front Office technology forms the foundation of the State Street Alpha® Platform, the first front-to-back solution in the industry.

Our vision is to be the world’s leading investment platform, shaping the future of the industry and driving new levels of technology-led innovation, resiliency, efficiency and growth for investors and the people they serve.

CRD Engineering organization is innovating and transforming the platform by moving away from monolithic software to utilizing next generation cloud-based technology that leverages Microsoft Azure, Kafka, Snowflake, etc.

Industry momentum has seen CRD grow over 135% in headcount over the last 5 years, and we continue to grow. As a digital innovation leader, we invest into our solutions, processes, systems, and talent.

CRD is currently expanding the capabilities of our products in several new areas. The Senior Software Engineer will work on developing new Java middle tier/server-side functionality for the system with some involvement in front-end development. This position will involve new product development and requires financial software experience or alternatively a strong understanding and interest in financial markets.

This is an opportunity to work within a very strong, senior level engineering team and help to develop challenging new products in the financial space.

This job is a hybrid role with at 3 days in the office per week, which you can perform from our offices in Krakow and Gdansk.

Your new role

As a Senior Software Developer you will:

  • Contribute as a Sr. Individual Contributor within a team of top engineers using Agile methodology
  • Analyze, design, develop, test, and debug large and complex software enhancements and solutions within Charles River’s business and technical problem domains including modifications to core frameworks and other primary facilities critical to system operation
  • Collaborate with Business Analysts and Product Managers to create simple and sustainable software solutions for complex problems
  • Direct problem solving for projects or major phases of projects to resolve software technical issues
  • Develop, test, debug, and implement software programs, applications and projects using Java, SQL, JavaScript, or other related software engineering languages as well as keeping abreast of emerging technologies impactful to CRDs business
  • Provide informed guidance and critical analysis of proposed changes during code reviews
  • Write unit and automation tests to ensure a high-quality product.
  • Identify ways of improving development test methodologies contribute to and related test methodology frameworks
  • Conduct manual tests to ensure a high-quality product.
  • Provide troubleshooting on large, mission critical client implementations
  • Engage in the agile software development process by adhering to and advancing the CRD scrum methodology, including attending all daily standups, sprint planning, backlog grooming, and retrospectives
  • Plan and coordinate cross-team activities groups to complete assignments.
  • Mentoring and guiding on designs to Junior Engineers
  • Demonstrate more independence of design and development.

Stack: Java, Spring, Microservices, React, SQL, Azure Cloud, Kubernetes, Snowflake

What we value

Desired skills and competencies:

  • 4-8 years of experience in Java development - preferably in the FinTech (financial markets) area
  • B.S. degree (or foreign education equivalent) in Computer Science, Engineering or other technical course of study required. MS degree strongly preferred.
  • Experience in front-end web development, ideally using React 
  • Experience in development of cloud native services (Azure experience a bonus)
  • Knowledge of SQL and experience with RBDMS
  • Experience with
  • Kafka, Snowflake, Kubernetes, Tomcat will be a strong asset

What we offer

  • Permanent contract from day one

  • Additional holidays (Birthday Day Off, 3rd and 5th year anniversary Day Off and others)

  • Gold medical package for employees and their families (partner and children)

  • Premium

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Company

State Street

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