Backend Developer - Pleno

Osf Digital; Teletrabalho; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A global digital transformation firm in Brazil is seeking a skilled Backend Developer with over 2 years of backend engineering experience, specifically in asynchronous Python. The ideal candidate will collaborate with data scientists, manage databases like Postgres and MongoDB, and ensure high code quality through testing. Familiarity with AWS and containerization technologies is necessary. Join an inclusive team passionate about transforming businesses digitally.

Qualificações

• 2+ years of experience in backend engineering and production services.
• Extensive knowledge of Python, async/await, and Pydantic v2.
• Experience in building and debugging async systems and distributed services.

Responsabilidades

• Collaborate with data scientists and ML engineers to design features.
• Implement and maintain backend systems such as Python and FastAPI.
• Manage and optimize databases for application storage.

Conhecimentos

Asynchronous Python

RESTful APIs

FastAPI

Containerization (Docker, Kubernetes)

Postgres

MongoDB

Unit Testing (pytest)

AWS services (EKS, ECS, S3)

CI/CD Pipelines (Jenkins, GitHub Actions)

English proficiency

Ferramentas

Docker Compose

Milvus

OpenAI APIs

Descrição da oferta de emprego

Backend Developer - Pleno

Collaborate with data scientists and ML engineers to understand requirements for ML / LLM features.

Design, implement, maintain, improve, and document backend systems (Python, FastAPI) for ML / LLM features.

Manage and optimize databases (Postgres, MongoDB, Milvus) for application storage.

Improve observability and reliability for distributed, async workloads (structured logging, metrics, retry / backoff strategies, traces).

Help maintain and orchestrate containerized development workflows (uv, Docker, Docker Compose, Kubernetes) and CI checks.

Raise the bar for testing (unit + integration) to ensure high code quality and reliability.

Improve the local development experience for the team by establishing and promoting Python-based development standards and best practices.

Integrate and optimize calls to LLM APIs (OpenAI) and agentic frameworks (OpenAI Agents SDK).

Mentor other engineers and drive architectural decisions.

Experience in backend engineering, specifically in building production services, with over 2 years of expertise in working with asynchronous Python. Extensive Python knowledge: async / await, typing system, modern Pydantic (v2), and testing frameworks (pytest).

Production experience building RESTful APIs with FastAPI and ASGI servers (uvicorn).

Solid operational and debugging skills for async systems and distributed services. Strong familiarity with Postgres and MongoDB databases. Experience with vector search systems (Milvus, FAISS, Pinecone) and embedding pipelines. Experience with message queues, background processing, and patterns for batch processing, idempotency, and retries. Practical experience integrating with OpenAI or other LLM providers. Comfortable working with containerization technologies (Docker, Docker Compose, Kubernetes).

Familiarity with AWS services (EKS, ECS, S3).

Familiarity with CI / CD pipelines (Jenkins, GitHub Actions).

Good communication skills and ability to work effectively in a remote team environment. Good English proficiency (reading, writing, speaking).

OSF Digital is proud to be an equal opportunity employer, where you can bring your whole self to work.

Join an inclusive and passionate community of professionals who help bring about digital transformation for businesses around the world.

At OSF Digital, we welcome all individuals and do not discriminate on the basis of gender identity and expression, race, ethnicity, disability, sexual orientation, color, religion, national origin, age, marital status, or any other protected category in any of the jurisdictions in which we conduct business.