Senior Full-Stack Software Engineer @ Oversee

At Oversee, we are reimagining how corporate travel is managed.

Our cutting-edge technology and machine learning solutions replace the outdated, manual processes that slow companies down — unlocking cost savings, efficiency, and smarter decisions.

We bring together travel analytics  and actionable insights, giving global enterprises a clear view of their spend and the tools to continuously improve their programs.

We’re growing fast, with exponential YoY revenue growth and partnerships with some of the world’s largest Fortune 500 companies.

If you are looking for a  dynamic, fast-paced,  and positive  environment  — and want to help solve a $17B global problem — Oversee is the place to build, grow, and make an impact.

Why join us?

As a Senior Full-Stack Software Engineer, you’ll be at the core of this mission  — designing scalable systems, solving tough technical challenges, and making a meaningful impact on how companies manage billions in travel spend.

📍 Work mode : 100% Remote

🕒  Contract type :  B2B

💼  Experience level :  Senior

💰  Rate : 200-250 PLN / h

⏳  Start date : ASAP

Come shape the future of business travel with us!

• 5+ years of experience in software engineering, with a track record of building production systems
• Strong background in designing scalable, distributed applications
• Hands-on experience with Python / Django and Java / Kotlin
• (JVM stack)
• Familiarity with TypeScript / React
• Solid understanding of Linux runtime environments
• Skilled at identifying and solving performance bottlenecks
• Excellent collaboration skills with the ability to give and receive constructive feedback
• Fluent in English, with strong written and verbal communication
• Proactive, curious, and eager to keep learning

At Oversee, we are reimagining how corporate travel is managed.

Our cutting-edge technology and machine learning solutions replace the outdated, manual processes that slow companies down — unlocking cost savings, efficiency, and smarter decisions.

We bring together travel analytics  and actionable insights, giving global enterprises a clear view of their spend and the tools to continuously improve their programs.

We’re growing fast, with exponential YoY revenue growth and partnerships with some of the world’s largest Fortune 500 companies.

If you are looking for a  dynamic, fast-paced,  and positive  environment  — and want to help solve a $17B global problem — Oversee is the place to build, grow, and make an impact.

Why join us?

As a Senior Full-Stack Software Engineer, you’ll be at the core of this mission  — designing scalable systems, solving tough technical challenges, and making a meaningful impact on how companies manage billions in travel spend.

📍 Work mode : 100% Remote

🕒  Contract type :  B2B

💼  Experience level :  Senior

💰  Rate : 200-250 PLN / h

⏳  Start date : ASAP

Come shape the future of business travel with us!

,[Design, build, and maintain high-performance backend services, data pipelines, and distributed infrastructure, Develop front-end features in TypeScript / React to bring complex ideas to life, Implement complex business logic and intelligent filtering algorithms that power our platform, Optimize fare tracking solutions to help clients save millions annually, Contribute to architectural decisions for distributed, high-scale applications, Integrate with third-party APIs (REST / SOAP) and ensure smooth interoperability, Collaborate closely with product and business teams to deliver features that drive real impact] Requirements : Python, TypeScript, Django, Kotlin, AWS, Java, JVM, Kubernetes, Terraform, React, Node.js, Flask, CI / CD, Microservices, FastAPI, PostgreSQL, Kafka, RabbitMQ Tools : Jira, Confluence, Notion, GitHub, GIT, GitHub Actions, Agile, Scrum, Kanban. Additionally : Small teams, Startup atmosphere, Employee referral bonus, Stock options, High-end equipments.