Senior .NET Developer - Capital Markets at Capco

<p data-pm-slice="1 1 []"><strong>Senior .NET Developer – Capital Markets</strong></p> <p>Location: London (Hybrid) | Practice Area: Technology &amp; Engineering | Type: Permanent</p> <p><strong>Deliver enterprise-grade .NET solutions across financial services landscapes</strong></p> <p><strong>The Role</strong></p> <p>As a Senior .NET Developer at Capco, you will design and build high-performance platforms for leading financial services institutions. You’ll bring deep engineering expertise to cloud-based, event-driven applications that support banking, payments, and capital markets. Collaborating with stakeholders, you'll deliver scalable solutions using best-in-class technologies and contribute to Capco’s engineering community.</p> <p><strong>What You’ll Do</strong></p> <ul data-spread="false"> <li> <p>Build modern .NET-based solutions across financial domains (banking, payments, wealth, capital markets)</p> </li> <li> <p>Implement secure, scalable systems using AWS and distributed architecture patterns</p> </li> <li> <p>Apply TDD and SOLID principles to create maintainable, high-performance applications</p> </li> <li> <p>Develop RESTful and GraphQL APIs integrated with cloud-native and legacy systems</p> </li> <li> <p>Work collaboratively with cross-functional teams and share engineering knowledge across Capco</p> </li> </ul> <p><strong>What We’re Looking For</strong></p> <ul data-spread="false"> <li> <p>Proficiency in C# (7.0/8.0) &amp; .NET with enterprise software development experience&nbsp;</p> </li> <li> <p>Strong understanding of trade lifecycle processes and financial instruments (Options, Derivatives, Rates)</p> </li> <li> <p>Strong database design skills using SQL Server or NoSQL technologies</p> </li> <li> <p>Cloud expertise with AWS (DocumentDB, EKS, EC2, S3, Aurora, CloudFront, Route 53)</p> </li> <li> <p>Familiarity with Redis, Elasticache, and secure API design (REST/GraphQL)</p> </li> </ul> <p><strong>Bonus Points For</strong></p> <ul data-spread="false"> <li> <p>Passion for innovation and contributing to thought leadership</p> </li> <li> <p>Experience coaching junior developers and supporting agile delivery</p> </li> <li> <p>Knowledge of financial regulations and compliance requirements</p> </li> <li> <p>Effective communicator with both technical and non-technical stakeholders</p> </li> <li> <p>Curiosity and drive to explore emerging technologies and solutions</p> </li> </ul> <p><strong>Why Join Capco</strong></p> <ul data-spread="false"> <li> <p>Deliver high-impact technology solutions for Tier 1 financial institutions</p> </li> <li> <p>Work in a collaborative, flat, and entrepreneurial consulting culture</p> </li> <li> <p>Access continuous learning, training, and industry certifications</p> </li> <li> <p>Be part of a team shaping the future of digital financial services</p> </li> <li> <p>Help shape the future of digital transformation across FS &amp; Energy.</p> </li> </ul> <p><strong>Benefits</strong>&nbsp;</p> <p><strong>We offer a competitive, people-first benefits package designed to support every aspect of your life:</strong></p> <ul> <li><strong>Core Benefits:&nbsp;</strong>Discretionary bonus, competitive pension, health insurance, life insurance and critical illness cover.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Mental Health:&nbsp;</strong>Easy access to CareFirst, Unmind, Aviva consultations, and in-house first aiders.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Family-Friendly:&nbsp;</strong>Maternity, adoption, shared parental leave, plus paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Family Care:&nbsp;</strong>8 complimentary backup care sessions for emergency childcare or elder care.&nbsp;</li> </ul> <ul> <li><strong>Holiday Flexibility:&nbsp;</strong>5 weeks of annual leave with the option to buy or sell holiday days based on your needs.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Continuous Learning:&nbsp;&nbsp;</strong>Your growth, your way - minimum 40 hours of training annually. Take your pick; workshops, certifications, e-learning. Also, Business Coach assigned from Day One: Get one-on-one guidance to fast-track your goals and accelerate your development.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Healthcare Access:&nbsp;</strong>Convenient online GP services.<strong>&nbsp;</strong></li> <li><strong>Extra Perks:&nbsp;</strong>Gympass(Wellhub), travel insurance, Tastecard, season ticket loans, Cycle to Work, and dental insurance.</li> </ul> <p><strong>Inclusion at Capco</strong> We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know – we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day.</p> <p>#LI-DNI</p>