Senior Go developer New Bulgaria; Poland; Romania

Xebia Group; Polska; Hybride; PLN 180 000 - 260 000; Plein temps

Résumé du poste

Xebia Group in Poland is seeking a senior Go backend engineer to build and maintain multi-tenant backend services and APIs, leveraging Go, gRPC, Kubernetes, and PostgreSQL. You will design scalable data models and contribute to architecture decisions.

The role involves collaborating with cross-functional teams in an Agile setting, ensuring code quality through testing and reviews, and providing L2 support to keep services healthy.

Qualifications

• 5+ years of backend development experience with Go (Golang) and strong concurrency knowledge.
• Experience designing and consuming APIs and working with SQL databases (PostgreSQL/MySQL).
• Proficient with Git workflows, unit and integration testing, and Docker.
• Familiarity with AI-powered tools to improve software delivery is a plus.

Responsabilités

• Develop, enhance, and maintain multi-tenant backend services and APIs using Go, gRPC, Kubernetes, and PostgreSQL.
• Design data models and APIs with a focus on performance and scalability.
• Review architecture changes via ADRs and collaborate with cross-functional teams in an Agile setting.
• Integrate backend services with SaaS systems and ensure code quality through automated tests and reviews.
• Provide L2 support and proactively monitor service health to prevent production issues.

Connaissances

Go

Concurrency

API design

SQL databases

Git workflows

Testing

Docker

AI-assisted development

Outils

Docker

Description du poste

Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions.

We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.

In the CEE region, we’re a team of nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients such as Millennium, ING, Play, Edenred, Arabian Drilling, FedEx, Leroy Merlin, Truecaller, Volotea, Schmitz Cargobull, and many, many more. We work with leading technologies including AWS, Azure, GCP, Databricks, and Snowflake, and combine strong engineering culture with a consulting mindset and a continuous focus on growth and knowledge sharing.

You will be:

developing, enhancing, and maintaining multi-tenant backend services and APIs using Go (Golang), gRPC, Kubernetes, and PostgreSQL,

designing and optimizing data models, including canonical product data models, with a focus on performance and multi-tenancy,

designing APIs in accordance with Google AIP standards and architectural principles, ensuring scalability and proper multi-tenant support,

designing and presenting architectural changes through Architecture Decision Records (ADRs), following established guidelines and principles,

building and maintaining integrations between backend services and multiple SaaS systems, including product content management systems,

ensuring code quality through automated testing, code reviews, and adherence to engineering standards,

troubleshooting issues, optimizing performance, and providing L2 support for backend services,

collaborating with cross-functional teams in an agile development environment,

proactively monitoring service health, identifying and resolving production issues before they impact customers.

Your profile:

• strong experience in backend development with Go (Golang) 5+ years
• solid understanding of concurrency, data structures, and backend fundamentals,
• experience designing and consuming APIs,
• experience with SQL databases (PostgreSQL, MySQL or equivalent),
• proficiency with Git-based workflows,
• experience with unit and integration testing,
• hands-on experience with Docker,
• practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.

Nice to have:

Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.

• Interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.

Recruitment Process:

CV review – HR call – Interview – Client Interview – Decision