(Senior) Full-Stack Engineer

About the role

As a Full-Stack Engineer , you will play a key role in building AI systems end-to-end. This is a fast-paced, hands-on role for engineers with high agency , strong technical depth and founder mindset . We're looking for experienced builders with a strong product mindset and a track record of shipping complex web applications. If you are a passionate builder who thrives at the intersection of full-stack development & AI - this is your opportunity to working alongside a team of the most stellar engineers, and shape how users interact with AI. What you will be working on Core Engineering : Design and build high-performance, reliable systems that power Mercura's AI products and ensure scalability. End-to-End Ownership : Own features end-to-end from architecture and implementation to deployment, monitoring, and iteration. Backend & APIs : Develop scalable APIs and backend systems that support evolving AI capabilities and product growth. Product Engineering : Work closely with users and the product team to translate real-world workflows into clear product and engineering decisions. Rapid Iteration : Ship improvements quickly through fast iteration cycles and pragmatic engineering decisions. AI Integration : Contribute to LLM engineering and AI systems, collaborating with the team on how models are integrated into the product. Technical Architecture : Help shape the overall system architecture, deployment strategy, and engineering tooling across the stack.

Requirements

• Technical Skills & Experience:
• Strong experience with full-stack software engineering (React, Typescript, Python)
• Proven track record of architecting and building complex, production-grade software systems
• Strong understanding of improving system performance, reliability, and scaling challenges in production environments
• Cloud & DevOps : Experience with containerization (Docker), cloud infrastructure (Azure/AWS/GCP), and infrastructure as code (Terraform).
• Experience integrating LLMs, AI systems, or large-scale data pipelines into production software is a big plus
• Commitment & Mindset:
• High agency & ownership : You develop new ideas and drive them in execution under minimal guidance
• Mission-driven : Your job is part of how you define yourself. You treat your work as a top priority, and you're fully committed to achieving ambitious goals amid uncertainty
• Product mindset : You demonstrate product thinking on a deep level and solve problems end-to-end
• You're excited to iterate quickly and build software in a fast-paced startup environment
• You want to work in-person in Munich with a higher intensity than in a 9-5 job
• Why Mercura
• Work with the latest tech : AI is at the core of our product, and use the latest tech across our product and processes to tackle meaningful challenges and shape how users interact with AI.
• Thrive in a high-growth, high-commitment environment : We're growing extremely fast because we always put our work and our customers first. If you excel in fast-paced settings and want to grow as part of something big from day one, Mercura is for you.
• Build something with real-world impact : We ship code that directly helps a massive, yet overlooked manual industry run more efficiently and sustaina

Benefits

Additional Information

Mercura ( YC W25 ) helps the companies that build the real world move at software speed, automating the back-office work that runs the $12 trillion industry behind every hospital, school, and power plant. We started with one of their biggest bottlenecks - turning messy technical requests into accurate quotes - and grew to $2M ARR in our first year . With a team of 16, we're now targeting $10M by the end of 2026 as well as our expansion into the US.

Your Match

How well this role fits your profile.

Company Intel

What employees say

Worked at Mercura? Share your experience