Lead Backend Architect

Lead Backend Architect at Assemblio

As a Lead Backend Architect at Assemblio, you are the technical driving force behind the further development and scaling of our SaaS platform. You plan, develop, and design the architecture of our product with a focus on stability, security, and scalability. Together with a motivated, interdisciplinary team, you ensure that our backend systems are not only high-performing but also future‑proof.

Responsibilities

• Plan and take ownership of the backend architecture with a strong focus on stability, security, and scalability.
• Provide technical leadership to the backend team, coordinate tasks, prioritize topics, and ensure efficient collaboration.
• Turn new MVPs into production‑ready features and transform prototypes into robust services.
• Design and implement microservices in TypeScript (Node.js / NestJS) and GoLang.
• Conduct code and architecture reviews, ensuring technical quality and consistency.
• Optimize service communication (REST, BullMQ, gRPC, Event Bus) and ensure clean interface standards.
• Be responsible for database design and migrations (PostgreSQL) and guarantee data integrity.
• Collaborate closely with frontend, DevOps, and product management to ensure end‑to‑end functionality.
• Define API standards, logging, and monitoring strategies for a consistent and maintainable system.

Your Impact

As Lead Backend Architect, you play a key role in shaping the future of our platform. You act as the technical engineer and, together with our development team, ensure that our infrastructure and processes run smoothly. Your work enables our SaaS product to grow securely and scalably while strengthening our engineering organization. You’ll work closely with our CTO and CQM, significantly influencing our architectural direction and technology decisions. This makes you a central enabler for growth, product stability, and customer satisfaction.

Your Skills

• Several years of experience as a Backend Engineer, Software Architect, or Lead Developer in a SaaS environment.
• Experience in leading and developing a backend team.
• Strong knowledge of TypeScript (Node.js / NestJS) and GoLang.
• Excellent knowledge of PostgreSQL, database modeling, and migration processes.
• Proficient in container technologies (Docker) and modern development environments.
• Experience with service communication (REST, gRPC, Event Bus, Message Queues).
• Team‑oriented, structured, and solution‑driven working style.
• Very good English skills; good German skills are an advantage.

Why us

Assemblio started as an innovative spin‑off from the Fraunhofer‑Gesellschaft with an AI‑based software that sets new standards in the manufacturing industry and positions itself as almost unrivaled in the market. After achieving a successful product‑market fit, we are now in the next growth phase. You can join us right at this moment, take on responsibility, and actively contribute to writing the next success story.

Why you should consider joining us

Your team: You can expect a motivated, innovative team that is highly ambitious about scaling Assemblio, but also loves to laugh and celebrate together, whether at game nights or team outings.

Your health and vacation: With us, it’s not just about performance, it’s also about recovery. We offer fair vacation days and flexible working hours so you can recharge and return with full motivation. We value balance, mutual support, and an environment where you can feel comfortable in the long term.

Your setup: We equip you with everything you need to succeed, from powerful hardware to modern tools that make your daily work easier.

Your office: Work in a modern environment designed for collaboration and inspiration. Our office is where ideas are born, strategies are forged, and success is celebrated. Your ideas are not just welcome here, they are essential to our growth success.

Seniority level

Associate

Employment type

Full‑time

Job function

Information Technology

Industries

Software Development

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