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About the Client & Project
We are partnering with a well-established travel agency with nearly 100 years of history. You will join a cross-functional team building Pathfinder — a complex, data-heavy web application designed for strategic roadmapping and portfolio planning.
The focus of this role is backend engineering, data processing, APIs, performance, and scalability.
About the Role
As a Senior Python Engineer, you will become part of a mixed internal and client-side team that includes:
- Senior Python Engineer(s)
- Senior Full-Stack Engineer
- Senior JavaScript Engineer
- Senior AQA / Manual QA
- Senior DevOps
- Senior Product Designer
- Solution Architect
You will work closely with the Solution Architect and the rest of the team within a shared tech stack. The environment is lean, fast-moving, and start-up-like, with evolving requirements.
Key Responsibilities
- Design and develop robust, scalable backend services and APIs
- Build efficient solutions for large-scale data processing, transformation, and aggregation
- Implement appropriate caching, queuing, batch processing, and optimisation where needed
- Write clean, testable, and maintainable code with strong automated test coverage
- Investigate and resolve complex technical and performance issues
- Collaborate closely with Solution Architect, AQA, Manual QA, and Front-end developers
- Design solutions with performance, scalability, reliability, and maintainability in mind
- Make pragmatic technical decisions considering cost, performance, and development effort
- Challenge unnecessary complexity and deliver what is actually needed
Requirements
- Strong commercial experience with Python and modern Python frameworks
- Proven ability to design and develop robust, scalable backend services and APIs
- Experience building efficient large-scale data processing, transformation, and aggregation solutions
- Strong knowledge of SQL and relational databases (query optimisation and data modelling)
- Experience with REST APIs, service integration, and asynchronous / background processing
- Solid understanding of software architecture and engineering principles (beyond framework-level development)
- Ability to analyse technical problems and choose the most appropriate solution
- Comfort working with complex data models and business logic
- Strong focus on performance and efficiency, especially when processing large datasets
- Clear understanding of the trade-offs between simplicity, scalability, and maintainability
Note: AWS experience is not required.
Nice to Have
- Strong engineering fundamentals and a pragmatic, no-over-engineering mindset
- Ability to take ownership of technically challenging backend and data-processing problems and deliver robust, evolvable solutions
Engagement Details
- Location: Ukraine
- Contract type: ФОП 3 група (FOP 3rd group)
- Model: Direct Hire
- Duration: 4 months (November start – contract will not be prolonged)
- Start date: Beginning of November
- Working hours: European time zone
Recruitment Process
- Technical interview
- Decision Maker (DM) call
Last Updated: October, 2026
