Fullstack Engineer (Backend leaning)
Ben
- London, England, United Kingdom
- London, England, United Kingdom
About
Your Mission As a backend leaning Fullstack Engineer at Ben, you’ll help build and scale the features that power our platform from benefits browsing and payments to provider integrations and smart admin tooling. You’ll take features from idea to production: understanding the problem, scoping solutions, building, shipping, and making sure what you deliver truly solves the need. You won’t just be handed tickets – you’ll contribute to shaping
why
we build things,
how
we build them, and
what
the future of our product looks like. You’ll collaborate across product, design, and engineering to make decisions that matter: data models, integration patterns, API design, scalability choices, and how we support a system used by hundreds of thousands of people. At Ben, everything is connected, so what you build helps power payroll workflows, provider integrations, notifications, and everything in between. And you’ll do all this as part of a fun, fast-moving startup, spending 2 days a week with the team in our Barbican office.
Things you will be working on
Build and ship backend-leaning fullstack features across the product (APIs, services, integrations, and some frontend too)
Work closely with product managers to understand context and shape solutions early
Collaborate with designers to create polished, intuitive experiences
Contribute to technical discovery, architecture thinking, and implementation planning
Ask product and UX questions when something doesn’t quite add up
Design with scale, reliability, and enterprise readiness in mind (security, compliance, flexibility)
Own your work from idea to production and care about the impact once it’s live
Help improve developer experience, tooling, and internal standards
Ensure security best practices (OWASP, AWS Well-Architected, etc.) are embedded in how we ship software
Qualifications
Have strong experience building modern web apps, especially backend systems
Are comfortable in Python and TypeScript (or excited to learn quickly)
Care about solving real user problems, not just closing tasks
Enjoy collaborating directly with PMs and designers without needing perfect specs
Like figuring out the how with autonomy and the why with curiosity
Know what it means to build for enterprise scale
Are pragmatic able to balance scrappy shipping with thoughtful engineering
Communicate clearly and enjoy working with friendly, ambitious people
Nice-to-haves, but not deal‑breakers
Experience with financial platforms, HR tech, or B2B SaaS
Experience building reliable workflows with tools like Temporal
You will not love this role if you…
Prefer a slow or highly predictable pace—we move quickly and value action
Feel uncomfortable owning projects end-to-end and being accountable for outcomes
Prefer maintaining the status quo— we challenge assumptions and improve constantly
Want a heavily structured environment— we’re still building processes as we grow
Struggle with ambiguity or prefer prescriptive direction (you’ll get context, but you’ll need to figure things out)
Wait for others to take initiative— this is a proactive, high‑performance team
Not sure if you meet 100% of the requirements? That’s okay, careers aren’t linear. If you have a strong technical foundation, solid backend experience, and enthusiasm for fullstack engineering in a fast‑moving startup, we’d love to hear from you. Just make sure you feel confident contributing meaningfully from day one.
Our Compensation & Benefits
Competitive base salary + equity, so you own what you build
£100 monthly personal Ben Balance: for whatever works for you, whether that’s Netflix, Spotify, or a really expensive cup of coffee! This allowance will increase by £50 for each year of service until you reach £250
Weekly lunch provided in office so you can spend quality time with the team over some tasty food!
28 days of holidays a year plus bank holidays, and an option to buy or sell 5 days per year. Also, your holiday entitlement will increase to 30 days at your 3rd year of service!
Work‑from‑abroad scheme, so you can support your travels, enjoy an extended holiday, or visit loved ones.
Enhanced parental leave and workplace nursery scheme to support the cost of childcare in a nursery setting
❤️ Comprehensive Private Medical Insurance
Funded Life Assurance cover with the option to voluntarily increase – this also includes an annual health check
Comprehensive and tailored mental health support and professional coaching through a leading provider
Diversity and Culture at Ben We are organically growing a brilliantly diverse, inclusive and respectful bunch of people we are extremely proud of. This should go without saying but all applications are very much welcome. If you need any adjustments to support you with your application, just let us know by emailing jobs@thanksben.com. You can learn more about DEI at Ben here.
Location: London, England, United Kingdom
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Languages
- English
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