Senior Fullstack Engineer

GFT TECHNOLOGIES SE; Kraków; On-site; PLN 162,712 - 249,426; Full time

Benefits offered by this job

Benefit package tailored to your needs

Online training and certifications

Social events

Job summary

GFT TECHNOLOGIES SE is looking for a skilled software engineer to join our international team in Kraków. Role involves designing and maintaining high-impact digital platforms, focusing on backend services and APIs.

The ideal candidate has extensive experience with Java, Python, and modern software practices, and is comfortable working in Agile teams. Enjoy a hybrid work model, tailored benefits, and continuous training opportunities.

Qualifications

• Strong commercial experience in developing full-stack applications.
• Experience with microservices architectures and REST APIs.
• Familiarity with cloud platforms like AWS, Azure, or GCP.

Responsibilities

• Design, develop, and maintain full-stack applications.
• Build and evolve backend services and REST APIs primarily in Java.
• Write automated tests and participate in code reviews.

Skills

Full-stack software engineering

Backend expertise in Java (11+ or 17+)

Knowledge of Python

Designing and building REST APIs

Working with SQL databases

CI/CD and DevOps practices

Agile teamwork and communication in English

Tools

Java

Python

Spring

Spring Boot

PostgreSQL

Docker

Kubernetes

Job description

Location: Kraków, PL; 30-302 Poznań, WP, PL; 61-569 Warszawa, PL; 00-839 Łódź, PL; 90-118

Working place: Hybrid

Type of contract: employment contract
Salary range: 14 580 - 22 350 PLN gross

What will you do?

You will join an international engineering team building modern, high-impact digital platforms, taking end-to-end ownership across backend services, APIs, and user-facing applications in an Agile, cloud-native environment, with a strong focus on engineering quality, reliability, and practical delivery.

• Design, develop, and maintain full-stack applications used by global users.
• Build and evolve backend services and REST APIs primarily in Java with Python used for services, automation, and scripting.
• Contribute to solution design, technical discussions, and pragmatic trade-offs.
• Deliver changes through CI/CD pipelines and engineering quality gates.
• Write automated tests and participate in code reviews to ensure high quality.
• Support production systems through incident investigation, fixes, and continuous improvement.
• Collaborate closely with product, engineering, and platform or security partners to deliver reliable software.
• Strong commercial experience in full-stack software engineering.
• Strong backend expertise in Java (11+ or 17+) with Spring and Spring Boot.
• Working knowledge of Python for services, automation, and scripting.
• Experience designing and building REST APIs and microservices.
• Experience with SQL databases and data modelling such as PostgreSQL or Oracle.
• Familiarity with CI/CD, Git, and DevOps practices.
• Ability to work effectively in Agile teams and communicate in English.

Nice to have

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Docker and Kubernetes experience.
• Experience with messaging or event-driven systems such as Kafka or MQ.
• Monitoring, observability, and production support experience.
• Experience with data validation formats such as JSON or XML and integration testing.

We offer

• Openness to hybrid work 2 days a week from our client office (for candidates from Kraków) and 6 days per month for candidates based outside Kraków
• Working in a highly experienced and dedicated team
• Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
• Online training and certifications
• Access to e-learning platform
• Social events