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Tech Stack
Tools & technologiesDistributed SystemsGoJavaScriptNode.js
About the role
Key responsibilities & impact- Deliver key platform functionality. You'll work across Ably's realtime products including our low-level Pub/Sub APIs, our LiveObjects state synchronisation layer, and AI Transport, the messaging backbone purpose-built for AI agent communication, focussing on shipping new features, performance improvements, bug fixes and maintenance.
- Work fluently with AI tooling. You'll use AI tools for planning, spike work, code generation, and documentation, while taking full ownership of correctness, architectural quality, and what actually ships. Fast iteration is expected; shortcuts in quality are not.
- Solve hard distributed systems problems. You'll collaborate with a talented engineering team to work through genuinely interesting and challenging technical problems.
- Stay driven by 'Developer First' principles. You'll work closely with other engineers to identify and address the most important problems developers face when building on Ably.
- Push to see your work in customers' hands. You'll move with urgency to ship, because you care about the impact your work has on the developers and companies building on our platform.
Requirements
What you’ll need- A strong interest in, or direct experience with, distributed systems and large-scale infrastructure.
- Experience working with or building messaging queues, pub/sub systems, or streaming systems at scale.
- Extensive experience with a high-level server-side language (Node.js or Go preferred).
- The ability to self-start, work through ambiguity, and make good decisions without a lot of hand-holding.
- A practical relationship with AI tooling. You use it to go faster and think more clearly, and you know where to apply rigour that AI alone can't provide.
- A transparent, collaborative 'build in the open' mindset. You're comfortable sharing your work publicly, whether that's writing about what you're building, talking about technical decisions, or contributing to the broader developer conversation around the problems Ably solves.
- Experience in dynamic, early-stage environments where adaptability and resourcefulness are core skills.
Benefits
Comp & perks- A remote-first and flexible work environment. UK-based teams come together in person once per month in our London hub (next to Old Street) and we get together as a company twice per year. Aside from that, you’re welcome to work wherever suits best for you.
- Equity. We’re a growing start-up and we want all team members to share in the success of the company through our EMI share options programme.
- Enhanced holiday allowance. Our policy provides Ablyans with 28 days of paid annual leave (27 regular days, plus a day off to enjoy your birthday).
- Enhanced parental leave package, so that you can take the time you need to get to know your new family member, rest and recover.
- Home workstation budget of £500 on joining (and £150 p/a thereafter), so that your home office is set up to serve you well and that you have everything you need to work comfortably.
- Personal learning and development budget of £1000 annually, and 5% L&D time during working hours to focus on improving your skillset.
- Private healthcare with BUPA.
- Medical cash plan to cover a range medical and dental costs.
- Mental wellbeing coaching and counselling from Self Space.
- Monthly wellbeing budget via Juno.
- Life assurance and income protection.
- Access to Tech & Cycle to Work schemes.
- Weekly snack allowance for our end-of-week “Need To Know” meeting.
- A fully-paid one-month sabbatical after five years with Ably.
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
distributed systemsmessaging queuespub/sub systemsstreaming systemsNode.jsGoAI toolingcode generationarchitectural qualityperformance improvements
Soft Skills
self-startingdecision makingcollaborationtransparencyadaptabilityresourcefulnessproblem-solvingcommunicationownershipurgency