Staff Backend Engineer, AI Applications, Berlin

Bolt

Bolt

Software Engineering, IT, Data Science

United States

Posted on May 22, 2026

Staff Backend Engineer, AI Applications, Berlin

We are looking for a Staff Backend Engineer, AI Applications to join Bolt’s Customer Support Automation team and architect the core AI agent infrastructure that powers our automation stack. You will have the opportunity to design and build multi-age nt orchestration frameworks, routine execution engines, and evaluation (LLM evaluations) and tracing pipelines that are scaling Customer Support automation. If you are passionate about agentic AI, distributed systems, and building platforms that operate at massive scale, this role will perfectly suit you.Locations: Berlin, Germany | Bucharest, Romania | Warsaw, Poland | Tallinn, Estonia

About the role

As a Staff Engineer, you will operate at the intersection of advanced AI and Bolt’s production engineering ecosystem, setting the technical direction for conversational experiences that are personalized, empathetic, and natural, while meeting strict business, compliance, and reliability requirements. This is a high-impact, high-scope role where you will guide platform evolution, amplify the effectiveness of multiple teams, and deliver resilient systems that enhance customer experience at a global scale.

Main tasks and responsibilities:

Define and evolve the technical vision for next-generation conversational assistants, setting architecture and long-term direction across multiple teams and partner orgs.
Drive adoption of scalable patterns for agentic AI systems, including orchestration, memory, tool use, and multi-channel consistency.
Design and productionize GenAI-powered customer support systems, covering agent frameworks, tooling, guardrails, observability, and backend services.
Build reusable platform capabilities that enable teams to develop, deploy, and iterate on conversational experiences reliably
Cross-org technical leadership and alignment: Identify ecosystem gaps and define interfaces, standards, and integration patterns across teams. Lead cross-functional alignment and execution, influencing roadmaps and driving consensus on platform direction.

About you:

You have experience of thriving in an environment that has a fast customer-feedback cycle and having empathy for the end-user
You have a data-driven mindset with comfort around ML evaluation methodology - you know how to measure whether an AI system is actually working
You have a drive for leading initiatives and features till the end, even if the last mile is the hardest.
You have strong system design skills, particularly in distributed systems, event-driven architectures, and high-throughput data pipelines.
You have hands-on experience with LLM-based pipelines or agentic AI patterns (tool use, routing, state machines, multi-agent coordination).
You possess solid understanding of algorithms and data structures.
At Bolt, using AI daily is a baseline expectation for everyone. If there’s a faster, smarter way to do your work, we expect you to find it. You’re still responsible for the output, so the standard stays high when using AI tools. Experience is valuable, but what we really look for is drive, intelligence, and integrity — so if you don’t tick every box, apply anyway.

Apply now and join us to make cities for people, not cars.

Become part of our Engineering team

*Some perks may differ depending on your location.

Why you’ll love it here:

Our engineers are at the forefront of innovation within some of the largest industries in the world. Are you up for the challenge?
Play a direct role in shaping the future of mobility. Impact millions of customers and partners in 600+ cities across 50+ countries. Work in fast-moving autonomous teams with some of the smartest people in the world. Accelerate your professional growth with unique career opportunities.
Get a rewarding salary and stock option package that lets you focus on doing your best work. Enjoy the flexibility of working in a hybrid mode with a minimum of 2 days in the office each week to foster strong connections and teamwork. Take care of your physical and mental health with our wellness perks.

About us

With over 200 million customers in 50+ countries, Bolt is one of the fastest-growing tech companies in Europe and Africa. And it's all thanks to our people.
We believe in creating an inclusive environment where everyone is welcome, regardless of race, colour, religion, gender identity, sexual orientation, age, or disability.
Our ultimate goal is to make cities for people, not cars, and we need your help to achieve this mission!
See more open positions at Bolt