User Experience Designer jobs in United Kingdom

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value.

We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and place a premium on career development. You will have a high degree of accountability and responsibility from Day 1.

You will be an integral part of the Ripple Trading and Markets Team, building scalable, resilient and performant trading systems in a constantly evolving and fast paced environment. You will have real impact and have the opportunity to drive the architectural roadmap, whilst looking to optimise away manual inefficiencies.

• Low-latency Algorithms for Automated Trading and Systematic Market Making
• Real-time streaming pipelines and signals
• Pricing libraries and tooling
• Venue connectivity for automated fund movement and management.

By the end of 2025 where we want to be

• Further evolution of the Algo suite, refining the signal processing and breadth of trading strategies and products.
• Building towards an event-driven architecture to connect the logical building blocks and provide integrated communication between trading systems and to other partners.
• Continuing to support and complement Ripple’s Payments, Custody and Stablecoin business units

• Research, design, and backtest systematic trading strategies and alpha signals across multiple asset classes, ensuring statistical rigor.
• Develop and optimize execution algorithms (e.g., VWAP, TWAP, Participation) and Smart Order Routing (SOR) logic to minimize market impact.
• Contribute to the evolution of trading infrastructure, including Execution and Order Management Systems (EMS/OMS), and maintain high-performance codebases.
• Monitor real-time system performance, execution quality, P&L, and risk, proactively addressing issues and making strategy adjustments.
• Perform post-trade analytics, including TCA, to continuously improve trading efficiency and execution outcomes.
• Manage the full lifecycle of trading systems—from data acquisition and cleaning to deployment and production support.
• Collaborate with researchers, engineers, and stakeholders across the business to align technical design with trading objectives.
• Drive engineering excellence through clean code, automated testing, operational rigor, and mentorship of junior team members.

• 5+ years of software development experience in quantitative trading, with deep expertise in Java and/or Python.
• Proficient in Python’s data science ecosystem (Pandas, NumPy, Scikit-learn), with strong debugging and analytical skills.
• Proven track record implementing trading algorithms and working with distributed systems in fast-paced front-office environments.
• Experience building transactional systems with modern databases (Aurora, DynamoDB) and deploying services via Kubernetes or Nomad.
• Solid understanding of agile software development, automated testing, and secure, scalable architecture design.
• Exposure to FX and/or crypto markets; front-end experience with frameworks like React is a plus.
• Passion for clean, testable code, continuous learning, and mentoring peers on engineering best practices.
• Degree in Computer Science or related field, with a strong focus on problem-solving and simplicity in design.

Other common names for this role: Quant Developer, Algo Developer

Do Your Best Work

• The opportunity to build in a fast-paced start-up environment with experienced industry leaders
• A learning environment where you can dive deep into the latest technologies and make an impact. A professional development budget to support other modes of learning.
• Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team.
• In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in.
• Bi-weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team
• We come together for moments that matter which include team offsites, team bonding activities, happy hours and more!

Take Control of Your Finances

• Competitive salary, bonuses, and equity
• Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support
• Employee giving match
• Mobile phone stipend

Take Care of Yourself

• R&R days so you can rest and recharge
• Generous wellness reimbursement and weekly onsite & virtual programming
• Generous vacation policy - work with your manager to take time off when you need it
• Industry-leading parental leave policies. Family planning benefits.
• Catered lunches, fully-stocked kitchens with premium snacks/beverages, and plenty of fun events

Benefits listed above are for full-time employees.

Ripple is an Equal Opportunity Employer. We’re committed to building a diverse and inclusive team. We do not discriminate against qualified employees or applicants because of race, color, religion, gender identity, sex, sexual identity, pregnancy, national origin, ancestry, citizenship, age, marital status, physical disability, mental disability, medical condition, military status, or any other characteristic protected by local law or ordinance.

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