Senior Backend Engineer

Senior Backend Engineer (Rust / Python / Cloud-Native Platform)

Location: Tagus Park, Portugal

Work Model: Hybrid – 3 days on-site

Contract: Full-time

Salary: €50,000–€65,000 gross/year × 14 salaries

Relocation: No relocation support provided (Only EU citizens, locals, or candidates with valid Portuguese residency will be considered)

About the Role

We are looking for a hands-on Senior Backend Engineer to build and evolve the backend services powering a next-generation Autonomous Mobile Robot (AMR) platform.This is a ~80% hands-on engineering role focused on distributed systems, event-driven architectures, and cloud-native platform development. This role requires a strong developer who wants to actively write production-grade code every day, rather than moving into pure architecture or management.

What You'll Do

- Build Backend Services: Develop and maintain scalable, high-performance backend services using Rust and Python.

- Evolve Distributed Systems: Work on cloud-native and edge-based systems running across cloud, edge, and robot environments.

- Develop APIs: Design, version, and implement robust REST APIs and service interfaces for fleet management, orchestration, and real-time monitoring.

- Ensure Code Quality: Build automated and integration tests directly into the development cycle while maintaining strict CI/CD pipelines.

- Collaborate & Mentor: Work alongside Frontend, Robotics, DevOps, and QA teams, while supporting junior engineers through code reviews.

What You'll Need

- Strong Backend Expertise: Proven experience developing high-velocity, production-grade distributed systems (not limited to simple CRUD applications).

- Language Proficiency: Strong professional experience in both Rust and Python, including asynchronous programming.

- Cloud-Native Stack: Hands-on experience with Docker, Kubernetes, container orchestration, and platform resilience tracking.

- Data Management: Solid background in PostgreSQL, Redis, data modeling, and query optimization.

- Engineering Discipline: Deep understanding of integration testing, secure coding practices, and observability/monitoring tools.

Nice-to-Have (Differentiators)

- Exposure to the robotics industry, AMR platforms, Fleet Management Systems, or ROS1/ROS2.

- Experience with communication protocols and messaging platforms like MQTT, gRPC, WebSockets, Kafka, NATS, or DDS.

- Background working on multi-tenant SaaS platforms or high-throughput data pipelines.

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