Fullstack Developer (Python/React)

Grape Up is a consulting & technology company, helping enterprises create the most important applications by leveraging AI & cloud-native technologies and modern ways of delivering software.

In collaboration with a leading company in the aviation industry, we develop software for internal use.

You will join a team composed of both Grape Up engineers and client-side specialists. In this role, you will be responsible for implementing new features in a recently released product, as well as contributing to its further evolution.

Beyond feature development, you will actively participate in shaping the system’s architecture, introducing quality improvements, and promoting best practices and engineering standards across the project.

The client’s team is based in the UK. We collaborate with them both remotely and during occasional short business trips.

Responsibilities

• Develop software used in the aviation industry within an international environment

• Ensure high quality through best practices, testing, and continuous improvement

• Contribute to application architecture design and technical decision-making

• Collaborate closely with developers, QA engineers, and cross-functional teams

• Participate in meetings with the client and Product Owner

• Analyze business needs and translate them into technical requirements

Requirements

• 3+ years of experience in Python and React

• Knowledge of Typescript, Material-UI

• Hands-on experience in building cloud-native applications using microservices and cloud deployment

• Experience with RESTful APIs to connect the app with backend services

• Experience with modern development tools (Git, CI/CD, Jenkins)

• Very good command of English, both written and spoken (B2+/C1) – daily collaboration within the team takes place in English

• Fluency in Polish (min. B2 level)

• Good communication skills, openness

• Self-reliance, determination, assertiveness

• Willingness to travel for business to the UK every 2–3 months for short, single-day trips

Nice to have

• Experience in building serverless applications (AWS Lambda)

• Knowledge of Java

• Experience in Databricks

• Experience in using AI/LLM-powered tools in a professional context (e.g. ChatGPT with IntelliJ, Copilot, OpenCode)

Benefits of joining Grape Up

• Non-corporate work environment among experienced engineers

• Individual growth & development plan supported by cyclical feedback sessions

• Access to knowledge platforms (e.g. Pluralsight)

• Equipment of your choice

• Financing of conferences, external trainings, and certifications

• Language lessons (English, German and Polish for foreigners)

• LuxMed private medical care

• Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge

• Employee referral program

• Rewards for the success of the month and year awarded by our employees

• Special rewards for your years with us (G-Man)

• Integration activities