Backend Software Engineer (Golang) - L4

At Curve, we obsess about our customers. We're constantly innovating and working iteratively to solve problems in the world of money that conventional banking won't touch.

As a Backend Software Engineer, you'll support the build of elegant, performant, maintainable, operable, and secure Golang microservices. You'll help design and architect our systems, contribute to continuous improvement, and play a key role in making the engineering team the best it can be.

Projects you'll contribute to (or lead the charge on):

• Building our vision of a connected platform, integrating seamlessly with best-in-class apps, tools, and services.
• Connecting the financial world for customers by bringing together account and transactional data that enables better financial decisions.
• Developing spend analytics, insights, and recommendations powered by data and machine learning.
• Building a financial product marketplace: credit, savings, and other products designed to improve financial lives.

Our current tech stack:

• Languages: Golang (PHP is a bonus)
• Messaging: Kafka, RabbitMQ
• Data: Event Driven Architecture, Snowplow, Python for ETL
• Databases: PostgreSQL, MongoDB, BigQuery
• Mobile: iOS (Swift), Android (Kotlin)
• DevOps culture: TDD, BDD, Scrum, CI/CD, Docker, Kubernetes, AWS

What you'll be doing:

• Delivering clean, architecturally sound, maintainable server-side code (bonus points for full-stack experience).
• Collaborating with stakeholders across the business to build-measure-learn a world-class product.
• Partnering with product and engineering managers to constantly refine and iterate on development processes.
• Motivating the team past roadblocks to make sure features ship as effectively as possible.
• Guiding design discussions and helping the team balance flexibility, expediency, scalability, and performance.
• Championing new technologies and promoting best development practices.
• Keeping an eye on the future while proactively, but pragmatically, tackling technical debt.

Do you have experience in iOS?, * In-depth knowledge of Golang (experience with PHP is a plus).

• Experience building microservices, ideally deployed in containers on Kubernetes.
• Solid grounding in agile development practices.
• Experience with both RDBMS and NoSQL datastores.
• Bonus: experience with real-time, low-latency, high-frequency transaction-based systems.
• Ability to diagnose problems across the stack (client, HTTP/network, server, database, OS) with sound rationale for decisions.
• Proven experience building large, concurrent, distributed applications.
• Experience developing and running large-scale production environments in partnership with DevOps or SRE teams.
• Bonus: experience with event-driven architectures.
• A genuine interest in working in a fast-paced startup, ideally in fintech or payments.
• Bonus: experience mentoring or coaching other engineers (L5).
• A voracious appetite for learning and improvement., * This role will be required to attend our London (Paddington) office, 3 days per week (minimum)
• The successful candidate will require full working rights in the United Kingdom without the need for visa sponsorship

What success looks like here:

• You ship clean, reliable, and secure code that scales.
• Our systems are more resilient, performant, and maintainable because of your contributions.
• Product teams see you as a partner who helps ideas become reality quickly, without sacrificing quality.
• Technical debt is reduced, not ignored, and future-proofing is always balanced with delivery.
• You bring energy and pragmatism to design discussions, guiding the team to better solutions.
• You're recognised as someone who makes the team stronger - through coaching, knowledge sharing, and raising the bar.

Benefits:

• 25 days plus bank holidays
• Bonus days off for Learning & Development, Mental Wellbeing, Birthday, Moving House & Christmas
• Working abroad policy (up to 60 calendar days per year)
• Bupa Health Insurance (YuLife)
• Life insurance powered by AIG (5x Annual Salary)
• Pension Scheme powered by "People's Pension"
• EAP (Mental health & wellbeing support, Life coach, Career coach)
• 24/7 GP access (Smart Health via YuLife)
• Annual subscriptions to Meditopia & FIIT for your mind and body (via YuLife)
• Discounted shopping vouchers (via YuLife)
• Enhanced parental leave
• Ride to work scheme & Season ticket loan
• Six nights of Night Nanny for new parents
• Free Curve subscription for you and your +1

A note from us:

• We know that great candidates don't always tick every single box. If this role excites you and you think you'd be a great fit, we want to hear from you.
• We design our hiring process to be fair, inclusive, and practical. If you ever need adjustments or feel there's a way we can improve - we're all ears.

Curve was founded with a rebellious spirit, and a lofty vision; to truly simplify your finances, so you can focus on what matters most in life. That's why Curve puts your finances simply at your fingertips, so you can make smart choices on how to spend, send, see and save your money. We help you control your financial life, so you can go out and live the life you want to live. With Curve you can spend from all your accounts, track spend behaviour and provide insights, and security to protect you from fraud. For the first time giving you bright insights and control of all your money in one beautiful place. We're developing a ground-breaking product with our customers at the core. Our user base is growing rapidly and we have exceptional metrics. We have funding from the leading names in tech investment, and a visionary leadership team who wants everyone who joins this remarkable adventure, to have the autonomy to masterfully develop their expertise.