Senior Software Engineer I

As a Senior Software Engineer I at ProcessOut, you will be instrumental in driving value by maximizing merchant payment performance while minimizing operational cost. You will own the technology stack and vision of the data team, that must be performant and low latency and that handle millions of daily transactions.

What you will be doing

Business Impact: Deeply understand merchant business models and KPIs to identify opportunities for technical improvement. You will be in a position that must challenge Data Scientists and Front-End.

Software Development Lead: Deliver robust, fully-fledged services, not just Proofs of Concept. This requires writing well-documented, clear, and concise code, with consideration for code structure and future adaptation. You will also own the Engineering Vision of the team and report it to stakeholders.

Product Thinking First: Our Data Team structure consists of Product Software Engineers. As this area is highly technological first, you'll help build the Product Vision of the team.

Metrics & Strategic Reporting: Define and expose KPIs that accurately measure the team's direction and ensure alignment with business objectives. Communicate work, hypotheses, and strategic impact clearly to both technical and non-technical audiences.

Payments Expertise: Proactively dive into complex payments documentation and technical specifications to find and validate new possibilities for optimization and exploration.

Strong Software Engineering: Have 5+ years of experience in Software Engineering, preferably in Golang

Team Lead Ambition:

Data Engineering Proficiency: Strong practical knowledge of data transformation, including proficiency with a wide variety of data munging techniques (e.g., groupbys, merging tables).

Hands On Mindset: Touch engineering, product, data, and participating in paid on-call rotations.

End-to-End Ownership & Delivery: Proven ability to own subjects across multiple areas of the business, ensuring technical success directly translates into tangible business value and revenue growth.

Complex Project Management: Proven ability to manage and coordinate complex projects, particularly those involving R&D with clear business outcomes.

Communication: Fluent verbal and written communication in English and French, with the ability to tune communication for technical and non-technical stakeholders.

Bonus points for

Direct experience in the Online Payments industry (highly preferred).

We're Checkout.com - you might not know our name, but we're behind many of the digital experiences people use every day. When you book a holiday, order food, renew a subscription or check out online with brands like Spotify, Klarna, Uber Eats, TikTok, Sony, or eBay, there's a good chance our technology powers the payment behind the scenes. At Checkout.com, we're building where the world checks out - enabling over ten billion transactions every year for more than one billion shoppers globally. Our platform helps the world's most ambitious businesses deliver seamless digital experiences at scale. We're also building a company designed for people who want to do career-defining work. We move fast, think globally, and believe great teams are built by hiring exceptional people with conviction, curiosity, and a focus on impact. With 20 offices across six continents and London as our HQ, we're shaping the future of fintech and we're just getting started. Join us at ProcessOut ProcessOut is a pioneer in the payment orchestration space. We are on a mission to help merchants build, scale and optimize their payment infrastructure. We work to bring simplicity, flexibility & performance to payments. Millions of transactions are routed via ProcessOut everyday for merchants all over the world. We are proud to partner with amazing merchants like Glovo, Bolt, Sainsbury's, Dott, Rakuten and many more! We were acquired by Checkout.com in 2020 with the goal of growing our global reach. If you are looking to join a very fast-moving company with passionate, hard-working & fun teams, ProcessOut is for you! At ProcessOut, we are looking for people who are convinced they can play a central part in the Company's success! We are looking for people who are passionate, who are looking to achieve their full potential & who will actively contribute to strengthen the links between our teams. We value people that fully own their work and are passionate about building the next generation of online payments with us., We create the conditions for high performers to thrive, through real ownership, fewer blockers, and work that makes a difference from day one. Here, you'll move fast, take on meaningful challenges, and be recognized for the impact you deliver. It's a place where ambition gets met with opportunity, and where your growth is in your hands. We work as one team, and we back each other to succeed. So whatever your background or identity, if you're ready to grow and make a difference, you'll be right at home here. It's important we set you up for success and make our process as accessible as possible. So let us know in your application, or tell your recruiter directly, if you need anything to make your experience or working environment more comfortable. Life at Checkout.com We understand that work is just one part of your life. Our hybrid working model offers flexibility, with three days per week in the office to support collaboration and connection.