Senior Python Engineer, Wallet

Team: Backend Engineering

Location: Europe (European Time Zone Based Candidate)

Commitment: Contract

Workplace Type: remote

About The Role

We’re looking for a Senior Python Engineer to join our Wallet team, which owns critical services in our product. The team is responsible for players’ wallets, bet placement, settlements, deposits and withdrawals, and other critical backend services. We’re looking for engineers with strong backend fundamentals and experience building reliable, high-load systems with complex business logic. 

What You’ll Do

Take full ownership of backend features and improvements, from design through implementation, deployment, and production support
Design, develop, and maintain scalable, high-performance backend services using Python and Django, including asynchronous components where applicable
Write unit and integration tests to ensure system reliability, prevent regressions, and improve overall test coverage and testing practices
Estimate software development effort for features and long-term technical initiatives
Collaborate with product, QA, and engineering teams to turn requirements into well-defined technical solutions
Participate in code reviews, help raise engineering quality, and contribute to technical decisions

What We're Looking For

At least 5+ years of development experience, with Python as the primary language
Strong experience building production backend systems with Django and asynchronous python (asyncio)
Strong fundamentals in algorithms, data structures and concurrency
Experience in architecture design of highly loaded and scalable solutions
Hands-on experience with relational databases (PostgreSQL), including writing complex SQL queries, schema design, migrations, performance tuning
Experience with Redis for caching and state management in distributed systems
Strong understanding of the development cycle from requirements analysis and deployment to application monitoring
Willingness to participate in on-call rotations

Nice To Have

Experience with Go
Production experience with Apache Kafka
Prior experience working with systems supporting 1M+ users
Experience in writing automated tests, measuring test coverage, and defining test automation strategies
Experience in sports/betting industries