Senior Python Engineer, Wallet

Fliff Inc.; Colombia; Presencial; USD 140.000 - 190.000; Jornada completa

Descripción de la vacante

Fliff is seeking a Senior Python Engineer to join our Wallet team. You will own backend features from design through deployment and production support, building scalable services with Python and Django, including async components where applicable.

You will write tests, estimate effort, collaborate with product, QA and engineering, and participate in code reviews to raise engineering quality. Strong background in PostgreSQL and Redis is required.

Formación

• 5+ years of development experience with Python.
• Strong backend experience with Django and asyncio.
• Solid knowledge of algorithms, data structures and concurrency.
• Experience designing scalable, high-load backend architectures.
• Experience with PostgreSQL and writing complex SQL.
• Experience using Redis for caching/state management.

Responsabilidades

• Own backend features from design to deployment and production support.
• Build scalable backend services in Python/Django; async components where applicable.
• Write unit and integration tests to improve reliability and coverage.
• Estimate development effort for features and long-term initiatives.
• Collaborate with product, QA, and engineering to translate requirements into technical solutions.
• Participate in code reviews and contribute to engineering quality.

Conocimientos

Python

Django

Asyncio

Algorithms

Data structures

Concurrency

Architecture design

SQL queries

Redis

Herramientas

PostgreSQL

Redis

Kafka

Descripción del empleo

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

Equal Employment Opportunity Statement

Fliff is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.