Staff Fullstack Engineer

About the Opportunity

We are representing a Speedinvest-backed European AI company building modern software for specialist pharmaceutical and chemical manufacturers. Our client is strengthening essential European supply chains by helping manufacturers overcome skilled labour shortages and reduce operational risk. As an early staff engineering hire, you will help shape their AI-native platform from its first production versions, working directly with founders to influence architecture and engineering standards.

Responsibilities

• Build end-to-end product features with TypeScript, Node.js, React and Next.js
• Design and evolve backend services, APIs and system architecture for complex operational workflows
• Model and optimise data in PostgreSQL with attention to reliability, performance and auditability
• Develop multi-step AI agent workflows with validation logic, evaluations, monitoring and human approval points
• Integrate with enterprise systems including ERPs, communication tools and document platforms through REST APIs and other interfaces
• Support cloud and on-premises deployments, working directly with customer IT teams where required
• Build secure, traceable workflows suitable for regulated environments and contribute to audit readiness and compliance documentation
• Join customer conversations, understand real operating constraints and translate them into product and technical decisions
• Help establish the engineering culture, technical bar and practical ways of working as the team grows

What We're Looking For

Required experience and skills:

• Around 3 to 5 or more years of experience building and operating production software
• Strong backend engineering skills with Node.js, API design and system architecture
• Solid PostgreSQL experience, including data modelling and query optimisation
• Experience integrating REST APIs and external systems
• Ability to work across the stack using JavaScript or TypeScript and React or Next.js
• Hands-on approach with the ability to reason about architecture while writing, testing and shipping production code
• Fluent English for technical collaboration and customer conversations
• Willingness to work from the Berlin office five days per week

Useful additional experience:

• Enterprise software or products built for regulated, high-security environments
• LLM integrations using providers such as OpenAI, Anthropic or Google, including evaluation and monitoring
• ERP integrations such as SAP, Microsoft Dynamics 365 or Infor
• Cloud infrastructure, DevOps and connections to on-premises or legacy systems
• German language skills for direct customer communication
• Strong product and UX instincts, or experience working with design systems

How We Work With You

Candidates apply through Get A Job.ai, where our talent team will review your profile. Qualified candidates proceed to a screening conversation with one of our recruiters. We then submit strong matches to our client for their consideration. The client's interview process combines founder and engineering conversations with practical technical assessment, including an architecture discussion and hands-on coding exercise.

Important: Please do not attempt to contact the client directly. All applications and communications must go through Get A Job.ai to be considered.

Pay

Compensation details including base salary and equity will be discussed during the screening process with our recruitment team.

Equal Employment Opportunity: Get A Job.ai is committed to inclusive recruitment practices. We welcome candidates of every gender identity, sexual orientation, race, religion, age, neurotype and disability. If you need reasonable adjustments during the application or interview process, please let your Get A Job.ai contact know and we will support you.