Senior Software Engineer, Form3
Go, Batch Processing
Payment technology platform
Be an early applicant
Payment technology platform
201-500 employees
Be an early applicant
201-500 employees
Company mission
To become the world's most trusted provider of payment technology.
Role
Who you are
- If you’re passionate about engineering, and you enjoy a mixture of new build, performance, testing and SRE work then you’ll fit right in
- All services are in Go apart from one of our reporting services so a bit of Java experience is a plus
- The same goes for infrastructure as code and kubernetes experience . We have supporting platform teams but work within a devops culture. If you make it, you ship it
- Deep understanding of designing and building distributed systems
- Enjoys working on complex challenges within critical software where high performance and robustness are essential
- Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines
- Interest in owning projects end-to-end and supporting them as they go live in production
- Appreciation of clean code and software engineering best-practice
- Experience with Go, along with a “right tool for the job” mentality
- Great communication skills who enjoy sharing knowledge and collaborating with others
What the job involves
- The role consists of working in a team that owns critical batch payment processing capabilities and is focused on maintaining high levels of reliability, resilience, and production stability
- Looking ahead the team have an exciting pipeline
- We’re onboarding several new customers while continuing to improve our automation and onboarding processes
- A key milestone for us is delivering our largest customer to date in the UK
- This will increase the volume and criticality of the payments we process and supporting services
- We’ll also be working on observability, and SLOs, SLIs across our services and improving our testing posture, working on our product offering, and enhancing our DR testing across multi-cloud components
- We have a responsibility to ensure our services are reliable and resilient opening the door to new initiatives as needed
- You can look forward to plenty of interesting challenges to work on
- Designing, building, and running cloud-native microservices in Go that are the backbone of our real-time payments platform
- Building systems that are highly available, low-latency, and scalable, handling billions of payment requests with precision and resilience
- Taking full ownership of services: from initial design and implementation to deployment and production support
- Working with a mindset where cost-efficiency, observability, and operational excellence are core to how we build
- Collaborating closely with other engineers in a flat, autonomous team structure, with a strong focus on code quality, simplicity, and continuous improvement
- Working with modern tooling and technologies such as Golang, Kubernetes, CockroachDB and NATS JetStream in a highly automated DevOps environment
Application process
- Stage 1: Screening call with Talent Team
- Stage 2: Take home test
- Stage 3: Technical interview
- Stage 4: Team interview
- We always aim to stick to the above process, however there may be occasions when an additional interview stage is needed for us to be sure we find the best fit for the role!
Our take
Form3 provides a complete end-to-end Payments-as-a-Service for financial institutions and regulated fintechs. It allows businesses to offer direct payment services via a simple interface, modernising their payment technology to make it more reliable and secure.
People expect their user experience with financial transactions to be fast and secure. Modern businesses require money to be transmitted instantly, securely, and with the promise of being available worldwide in real time. Form3 has capitalised on this modern demand, offering a comprehensive but straightforward service which gives customers greater control of their payments.
The company's partnerships have been a strong part of its growth strategy, with its technology used by major enterprise including GOldman Sachs, Nationwide and Clarency. Recently, Nationwide Building Society has made a further strategic investment in Form3, alongside a debt facility from BlackRock, supporting the company's path to profitability and continued US expansion.
Form3 has also delivered some new solutions, such as Verification of Payee for European payments provider Mollie, helping clients meet evolving regulatory requirements while strengthening fraud prevention and operational resilience. Backed by leading financial institutions and reporting record performance in 2025, Form3 is sharpening its focus on scaling its cloud-native payments platform across the US and Europe.
Freddie
Company Specialist at Welcome to the Jungle
Insights
17% employee growth in 12 months
Company
Funding (last 2 of 6 rounds)
Sep 2024
$60m
SERIES C
Sep 2021
$160m
SERIES C
Total funding: $277.3m
Company benefits
- Flexible working aragmeents
- 30 days annual leave
- Home office equipment allowance
- Learning & Development
- Long term incentive plans
- Mental health support
- Primary caregiver leave
Company HQ
City of London, London, UK
Leadership
Mike Walters
(Co-Founder & CEO)Mike initially served as the company's CPO after co-founding it in 2016, moving into the role of CEO in 2023. Previously, he was a Product Director of Global Payment Acceptance at Barclaycard. Before that, he spent 10 years at Barclays in various Director roles and as Head of Corproate Payuments.
David Scola
(CPO & US Chief Executive)Prior to joining Form3 in 2022, David was the Head of North America/Chief Executive of America, UK and Ireland at SWIFT. He also spent nearly 7 years at Barclays as a Managing Director, Global head of Bank Coverage (Corp Banking) and Global Head of Financial Institutions (Barclays Corporate) and 7 years at Deutsche Bank as a Managing Director.
Benyam Hagos
(CFO)Prior to joining Form3 in 2023, Benyam was a VP, European Finance Director and COO of Europe and Middle East at Nium. He also served as the CFO at Ixaris and as a Director, UK Controller at Mastercard.
Mark Fieldhouse
(CRO)Prior to joining Form3 in 2025, Mark was a Strategic Advisor at GAINZ.AI and Future Resilience forum. He was also the VP and GM, Americas and EMEA at Rescale and GM, EMEA at NS1.
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