At a Glance
- Tasks: Lead technical strategy and shape scalable architectures for global payment systems.
- Company: Join a pioneering global issuer-processor in the payments industry.
- Benefits: Competitive salary, diverse team, and opportunities for professional growth.
- Other info: Inclusive workplace committed to diversity and equal opportunity.
- Why this job: Make a real impact on millions of transactions while mentoring future tech leaders.
- Qualifications: 10+ years in software engineering with strong backend system design experience.
The predicted salary is between 63000 - 77000 £ per year.
At the company , we’re redefining what’s possible in the payments space.
As the first truly global issuer-processor, we give banks and fintechs the technology and talent to launch and manage Mastercard and Visa cards at scale - across more than 60 countries.
Our advanced, multi-cloud platform delivers real-time data, unmatched scalability, and the flexibility of shared or dedicated processing instances.
It's this global reach and innovation that sets us apart.
We're looking for a Staff Software Engineer to provide technical leadership across multiple teams and engineering domains.
As an individual contributor with organisation-wide influence, you'll shape technical strategy, guide architectural decisions, and help teams build reliable, scalable, and maintainable systems that power millions of payment transactions every day.
You'll work closely with Engineering, Product, and Operations to solve complex technical challenges, establish engineering standards, mentor senior engineers, and enable teams to make better technical decisions with confidence.
What you get to do
- Drive technical strategy across engineering domains and cross-team initiatives.
- Shape scalable architectures that support the company's long-term product and business goals.
- Translate complex technical challenges into clear, practical solutions.
- Establish engineering standards, architectural patterns, and best practices across teams.
- Identify and mitigate long-term risks around reliability, scalability, security, and maintainability.
- Partner with Engineering, Product, and Operations to influence technical roadmaps and delivery.
- Mentor senior engineers and strengthen technical leadership across the organisation.
- Lead initiatives that improve engineering quality, testing, observability, and operational excellence.
- Contribute hands-on to critical systems where your expertise delivers the greatest impact.
What it takes to succeed
- Extensive experience designing and operating highly available, distributed backend systems.
- Proven success leading technical initiatives across multiple teams.
- Strong expertise in software architecture, system design, and engineering best practices.
- Experience with microservices, APIs, event-driven architectures, relational databases, and cloud platforms (preferably AWS).
- Knowledge of CI/CD, Infrastructure as Code, containerisation, observability, and automated testing.
- Strong communication skills with the ability to influence technical decisions and mentor experienced engineers.
- Professional fluency in English.
- Java experience is highly valued, while experience in payments, fintech, or other regulated environments is beneficial but not essential.
Education and Experience
- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience.
- Typically 10+ years of experience designing and delivering complex distributed systems.
- Experience shaping technical strategy, mentoring engineers, and delivering cloud-native software at scale.
At the company we value making a difference to the lives of the people who work for us and who live in the communities where we operate.
You can look forward to working with a diverse, global team where Paymentologists at all levels play an important part in our global mission to advance the world through payments and make a difference on a global scale.
We are an equal opportunity employer committed to fostering a diverse and inclusive workplace where everyone can thrive.
We welcome applications from people of all backgrounds and do not discriminate on any unlawful ground, including race, colour, ethnicity, sex, gender, pregnancy, marital status, family responsibility, age, disability, sexual orientation, religion, belief, language or HIV status.
the company will never request any form of payment from applicants at any stage of our recruitment process, including for applications, interviews, training or job placements.
If anyone asks you for money while claiming to act on behalf of the company, please treat this as fraudulent and do not make any payment.
All legitimate the company vacancies are advertised via our official careers page, and our recruitment emails are sent only from official the company domains.
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Staff Software Engineer UK employer: United States Digital Space LLC
United States Digital Space LLC is an exceptional employer, offering a dynamic work culture that prioritises innovation and collaboration in the heart of Greater London. With a strong focus on employee well-being and flexible work options, we provide ample opportunities for professional growth and development, making it an ideal environment for those looking to make a meaningful impact in the field of AI-enabled SaaS engineering.
Contact Details:
United States Digital Space LLC Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Staff Software Engineer UK
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at United States Digital Space LLC or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
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✨Tap into Online Developer Communities
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We think you need these skills to ace Staff Software Engineer UK
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at United States Digital Space LLC.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at United States Digital Space LLC and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at United States Digital Space LLC
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If United States Digital Space LLC uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
