Senior .NET Developer – Capital Markets
Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent
Deliver enterprise-grade .NET solutions across financial services landscapes
The Role
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.
What You’ll Do
Build modern .NET-based solutions across financial domains (banking, payments, wealth, capital markets)
Implement secure, scalable systems using AWS and distributed architecture patterns
Apply TDD and SOLID principles to create maintainable, high-performance applications
Develop RESTful and GraphQL APIs integrated with cloud-native and legacy systems
Work collaboratively with cross-functional teams and share engineering knowledge across Capco
What We’re Looking For
Proficiency in C# (7.0/8.0) & .NET with enterprise software development experience
Strong understanding of trade lifecycle processes and financial instruments (Options, Derivatives, Rates)
Strong database design skills using SQL Server or NoSQL technologies
Cloud expertise with AWS (DocumentDB, EKS, EC2, S3, Aurora, CloudFront, Route 53)
Familiarity with Redis, Elasticache, and secure API design (REST/GraphQL)
Bonus Points For
Passion for innovation and contributing to thought leadership
Experience coaching junior developers and supporting agile delivery
Knowledge of financial regulations and compliance requirements
Effective communicator with both technical and non-technical stakeholders
Curiosity and drive to explore emerging technologies and solutions
Why Join Capco
Deliver high-impact technology solutions for Tier 1 financial institutions
Work in a collaborative, flat, and entrepreneurial consulting culture
Access continuous learning, training, and industry certifications
Be part of a team shaping the future of digital financial services
Help shape the future of digital transformation across FS & Energy.
Benefits
We offer a competitive, people-first benefits package designed to support every aspect of your life:
- Core Benefits: Discretionary bonus, competitive pension, health insurance, life insurance and critical illness cover.
- Mental Health: Easy access to CareFirst, Unmind, Aviva consultations, and in-house first aiders.
- Family-Friendly: Maternity, adoption, shared parental leave, plus paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.
- Family Care: 8 complimentary backup care sessions for emergency childcare or elder care.
- Holiday Flexibility: 5 weeks of annual leave with the option to buy or sell holiday days based on your needs.
- Continuous Learning: 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.
- Healthcare Access: Convenient online GP services.
- Extra Perks: Gympass(Wellhub), travel insurance, Tastecard, season ticket loans, Cycle to Work, and dental insurance.
Inclusion at Capco 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.
#LI-DNI
Top Skills
What the Team is Saying
What We Do
Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting edge ingenuity is brought to life through its award-winning Be Yourself At Work culture and diverse talent. TRUSTED ADVISORS - Our collaborative and entrepreneurial approach position us as trusted long-term partners to our clients. DEEP EXPERTISE - Clients look to us for clear guidance, proven expertise, and the support they need to set their companies up for success. DISRUPTIVE SOLUTIONS- We do not provide off -the-shelf answers to clients’ challenges. Instead, we work in close collaboration to understand the issues, and craft disruptive, bespoke solutions. ACCOUNTABILITY AND OWNERSHIP - We recognize every client has distinct needs and expectations, and we take ownership and accountability for the solutions we design, build, and deliver.
Why Work With Us
We support and encourage an inclusive culture, entrepreneurial outlook and independent thinking. Capco is not about organizational charts and rigid hierarchies – we want all employees to feel that Capco is their firm to own and run. We believe diversity powers innovation. Be Yourself At Work (#BYAW) is an integral and underlying part of our culture
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Capco Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
