Golang developer

Grid Dynamics; Kraków; On-site; PLN 420,000 - 550,000; Full time

Benefits offered by this job

Bleeding-edge projects

Motivated team

Competitive salary

Flexible schedule

Medical insurance

Corporate events

Professional development

Well-equipped office

Job summary

Grid Dynamics seeks a Senior Software Engineer (Risk & Payment Platform) to build high-scale backend systems for an enterprise risk platform. You will own features end-to-end, and work with Golang, Java, or Python to ensure reliability, latency targets, and data consistency in a fast-paced Agile Scrum environment.

You will collaborate with Product Managers and Solution Architects, driving architectural decisions, CI/CD practices, and development standards while mentoring junior engineers in

Qualifications

• Expert proficiency in at least one major server-side language: Golang, Java, or Python.
• Hands-on experience developing and integrating server-to-server APIs using REST and gRPC.
• Proven track record building, scaling and operating large-scale distributed systems.
• Demonstrated CI/CD mindset with automated testing and modern deployment pipelines.
• Strong written and verbal English communication skills.

Responsibilities

• Own features end-to-end—from specifications to deployment and maintenance.
• Develop backend software and microservices using Golang, Java, or Python.
• Use REST and gRPC for high-performance server-to-server communication.
• Build and optimize highly available, low-latency distributed services.
• Collaborate with Product Managers and Engineers to design data-driven risk capabilities.
• Mentor junior engineers and contribute to CI/CD and Agile practices.

Skills

Golang

Java

Python

Tools

REST

gRPC

CI/CD

Job description

We are seeking a Senior Software Engineer (Risk & Payment Platform) to join a high-impact, global engineering team partnering with a Tier 1 Global Financial Network leader. In this role, you will design and implement high-scale backend capabilities for a next-generation enterprise risk platform, maturing the codebase and development processes within an Agile Scrum environment. You will own features end-to-end across high-throughput distributed systems built on Golang, Java, or Python, where extreme reliability, high availability, low latency, and strong data consistency are non-negotiable.

Responsibilities

• Feature Design & Architecture: Own features end-to-end—from authoring technical specifications and system architecture to hands-on deployment and maintenance in production.
• Backend Systems Development: Design, write, and maintain production-quality backend software and microservices using Golang, Java, or Python, utilizing REST and gRPC for high-performance server-to-server communications.
• High-Scale Distributed Engineering: Build and optimize resilient, scalable services operating under strict high-availability, low-latency, and strong data consistency requirements.
• Data-Driven & Cross-Functional Collaboration: Partner directly with Product Managers, Solution Architects, and engineering peers to design, refine, and deliver robust data-driven risk management capabilities.
• Risk Management & Technical Visibility: Proactively track technical risks and system issues, reporting progress and status clearly to stakeholders.
• Mentorship & Process Ownership: Mentor junior engineers, drive CI/CD best practices, and contribute to maturing development standards and team-wide Agile engineering practices.

Requirements

• Core Language Mastery: Expert proficiency in at least one major server-side language: Golang, Java, or Python.
• API Architecture: Hands-on experience developing and integrating server-to-server APIs using REST and gRPC.
• Distributed Systems Mechanics: Proven background building, scaling, and operating large-scale distributed systems characterized by high availability, low latency, and strong data consistency.
• CI/CD & Engineering Culture: Demonstrated CI/CD mindset with experience in automated testing, continuous integration, and modern deployment pipelines.
• Communication & Leadership: Strong written and verbal English communication skills, with a proven ability to explain complex technical topics clearly to diverse audiences.

Nice to have

• Stream & In-Memory Computing: Hands-on experience with real-time stream processing and in-memory computing paradigms.
• Big Data Ecosystem: Exposure to Big Data processing frameworks and platforms such as Hadoop, Apache Spark, or MapReduce.
• Caching & High-Speed Data: Practical experience with Redis or other distributed caching layers for ultra-low latency data access.
• Financial & Risk Domain: Prior experience working on risk engines, fraud detection, or payment infrastructure in regulated financial environments.

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.