Software Engineer (Backend & Agents)
- Product backend: Owning key areas of our backend infrastructure - making sure new additions to product are robust, secure and scalable from day one.
- Agent backend: Building and improving the infrastructure that powers our voice agent. This includes running evaluations, improving systematic information extraction, and ensuring our agentic systems run reliably at scale.
- Observability: Ensuring visibility into our production systems through monitoring, logging, and performance tracking.
- Matchmaking: Building and optimising the data and systems that power our AI-driven talent matching engine.
- Design and build scalable backend infrastructure for AI agent workflows and product systems
- Own the reliability and performance of systems that power our voice agent and web application
- Work with the team to define technical strategy, architecture, and long-term goals
- Build and maintain robust APIs, authentication systems, and database architecture
- Collaborate with product, design, and other engineers to build infrastructure that meets evolving needs
- Contribute to the development of best practices around system reliability, performance, and delivery velocity
- Are genuinely excited about what we're building
- Can demonstrate strong backend experience in Python, and solid CS fundamentals
- Have already built products that feature significant LLM usage
- Take pride in writing clean, maintainable code
- Are outcome-oriented and proactively take ownership of areas of the codebase
- Excel at systematically breaking down complex problems and weighing up solutions pragmatically
- £80,000 to £150,000
- Meaningful equity
- Flexible working with minimum 3 days a week in our office near London Bridge
- Brand-new Macbook Pro
- Gym membership
- An opportunity to work with and learn from an experienced team, and grow with the business
- Application
- Call with Dex - we love seeing candidates try the product first, and a call with Dex can help you get clear on what you’re great at and what your perfect next role would look like.
- Remote Round
- Call with Cofounder - you’ll chat directly with one of our founders to learn about our vision, what we’re building, and how you could play a key role in shaping it.
- Take-home technical test - a practical challenge designed to mirror the kind of problems we solve at Dex.
- In-person Round
- Tech test review interview - You’ll walk through your take-home task with our engineers, discussing your approach, trade-offs, and thought process
- Meet the team - A casual opportunity to meet more of the people you’d be working with day to day and ask any questions you have
- Offer
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