Senior Full Stack Engineer (Java + React)

Java

Senior Full Stack Engineer (Java + React)

Java
-, Kraków +3 Locations

Grid Dynamics Poland

Full-time
B2B, Permanent
Senior
Hybrid

Job description

We are seeking a highly skilled Senior Full-Stack Engineer to join a Capacity Management and Engineering team. This is an exceptional opportunity to play a key role in optimizing the infrastructure for a leading global technology company, working directly alongside their core engineering staff.


About the project:The Capacity Management and Engineering Team's mission is to use an engineering-driven approach to manage, forecast, attribute, measure, and optimize large-scale infrastructure capacity. Our work directly impacts the efficiency and cost-effectiveness of one of the world's largest tech infrastructures.


Essential functions

  • Design, develop, and deploy scalable microservices using Java/Spring Boot on the back-end.

  • Build and maintain user interfaces using React, Redux, and JavaScript to visualize complex capacity data.

  • Optimize database queries and design schemas in PostgreSQL to handle large volumes of performance and utilization data.

  • Collaborate with capacity planners and product managers to define requirements for new visibility and optimization tools.

  • Contribute to the full development lifecycle, including planning, coding, testing, code review, and deployment.

  • Ensure application performance, scalability, and high availability in a critical production environment.


Qualifications

  • Strong Back-End Engineering Skills: Expert proficiency with Java and the Spring Boot framework.

  • Database Expertise: Proven experience with SQL, particularly PostgreSQL.

  • Strong Front-End Skills: Deep expertise in JavaScript, React, and Redux.


Would be a plus

  • Experience with Spark or other large-scale data engineering technologies.

  • Previous experience in capacity planning, infrastructure monitoring, or optimization projects.


We offer

  • Opportunity to work on bleeding-edge projects

  • Work with a highly motivated and dedicated team

  • Competitive salary

  • Flexible schedule

  • Benefits package - medical insurance, sports

  • Corporate social events

  • Professional development opportunities

  • Well-equipped office


About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

Tech stack

    English

    B2

    Java

    advanced

    React

    advanced

    Spring Boot

    advanced

Office location

Published: 12.12.2025

Senior Full Stack Engineer (Java + React)

Summary of the offer

Senior Full Stack Engineer (Java + React)

-, Kraków
Grid Dynamics Poland
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Senior Full Stack Engineer (Java + React) - Grid Dynamics Poland