Senior Product Engineer

Apron is focused on helping more small and medium businesses succeed. The biggest threat to small business is cash flow, often stemming from a gap between the demand payments put on owners and the aptitude to make the payments effectively.

We are closing the gap by digitising and simplifying the payments process: capturing invoices, issuing expense cards, paying and getting paid, all in one place.

We have grown fast over the past few years, expanding our team to circa 100 individuals across the UK, Germany, Spain and more. We are backed by Index Ventures, Bessemer Venture Partners, Zinal Grow and Tony Fadell and we’ve raised $50m.

Engineers at Apron are at the heart of what we do. Here's what that means:

• We build with the customer in mind. We use top-tier technology to build a product that genuinely makes their lives easier.

• We own our work. We plan the approach, break it down, and bring it to life!

• We embrace the complexity of finance. Working with money means navigating intricate business logic and thinking through every possible corner case. It’s a rewarding challenge where precision and attention to detail are crucial for building a trustworthy product.

• We write code we're proud of. We work fast, but we build for the long term. Our code needs to be speedy, secure, and ready to grow with us.

• We integrate AI tools. We use what's best out there to build a product that genuinely makes lives easier.

We are expanding our core product BillPay and looking for Product Engineers who are as passionate about user experience and business impact as they are about technical excellence.

• Own the full lifecycle: you’ll partner deeply with Product Managers and Designers to shape the roadmap, translating customer needs into polished, end-to-end features.

• Build seamless financial experiences: you’ll design and integrate scalable systems with payment providers and BaaS platforms, ensuring that the underlying complexity is invisible to the user.

• Engineer for trust and speed: you’ll develop core financial logic where precision meets performance, ensuring every transaction is secure, lightning-fast, and intuitively handled for the end user.

• Drive the product narrative: you’ll use your technical expertise to proactively suggest improvements to the user journey, identifying "hidden" friction points and driving innovation across the entire stack.

• Cultivate a collaborative culture: you’ll mentor peers and advocate for engineering best practices that prioritize both system health and rapid product iteration.

• Solid experience as a backend-leaning Fullstack.

• End-to-end experience working in a cross-functional team/squad, directly shaping user-facing products/features.

• You acquired the above experience by working in a product-led + fast-paced environment (startup or tech company).

• We primarily utilise Kotlin, Typescript/React. Willingness to work on this stack is essential.

• Experience with relational databases.

• Keen attention to code quality, passion for efficient architecture, and commitment to optimising performance.

• Are proficient in JVM-based languages, particularly Kotlin, for server-side development.

• Have hands-on experience with Kubernetes and Terraform.

• Have experience with advanced Postgres features like GIST indexes, partitioning and replication.

• Highly competitive salary

• Stock options

• Pension plan

• Health insurance with AXA (including Optical and Dental cover)

• Life Assurance with MetLife

• Enhanced parental leave

• Weekly Deliveroo allowance

• 29 days of holidays (on top of Bank holidays)

• Flexible working hours

• Cycle to Work scheme

• Electric vehicle scheme

• Visa sponsorship (if applicable)
  

To keep a high level of innovation, collaboration and meaningful human connection, we work in a hybrid setting (3 days a week) in our London (Liverpool Street) offices.

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