Backend Rust Developer

Build high-performance trading technology where reliability, security, and speed matter. The Role We are looking for an experienced Backend Rust Developer to design, build, and maintain high-performance, reliable, and secure trading software systems. You will bring 7+ years of relevant software engineering experience, with strong expertise in Rust and systems programming. You’ll work on performance-critical technology where concurrency, networking, reliability, and low latency are key considerations. This is an opportunity to apply your technical expertise and problem-solving skills to complex engineering challenges within financial services, while building clean, efficient, secure, and maintainable software. What You’ll Do Design, build, and maintain high-performance, reliable, and secure software systems using Rust. Develop and optimize performance-critical, low-latency applications supporting demanding trading environments. Apply systems programming principles across distributed systems, concurrency, and networking to build robust solutions. Diagnose complex technical and performance issues, identify bottlenecks, and implement effective optimizations. Collaborate with engineering and business stakeholders to deliver maintainable technology solutions aligned with trading and financial-services requirements. What We’re Looking For 7+ years of relevant software engineering experience, with strong experience in Rust and systems programming. Experience designing and developing performance-critical and low-latency applications. Strong understanding of distributed systems, concurrency, and networking. Ability to write clean, efficient, secure, and maintainable code. Strong problem-solving skills with experience identifying performance bottlenecks and optimizing software systems. Bonus Points For Experience developing technology for trading or financial systems. Experience working with complex, high-throughput or latency-sensitive systems. Knowledge of engineering practices supporting the reliability, security, and performance of production software. 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: Comprehensive Benefits Coverage – 100% company-paid health, life, and disability insurance effective from Day 1 of employment. Retirement Savings Program – Registered Retirement Savings Plan (RRSP) with the option of receiving a matching employer contribution. Virtual Health Care & EFAP – Company-paid virtual health care and Employee & Family Assistance Program support for employees and their dependents/partners. Family & Wellness Support – Enhanced parental leave benefits from Day 1, a company-sponsored new parent gift, and fitness reimbursement to promote health and well-being. Career Development – A Business Coach from Day 1, providing personalized one-on-one coaching to support career growth, accelerate development, and help achieve your professional goals at Capco. 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. Use of Artificial Intelligence in Talent Acquisition At Capco, we use artificial intelligence (AI) tools to support and enhance several parts of talent acquisition. This includes using AI-enabled features within LinkedIn to help source potential candidates, speeding up routine recruitment communications such as emails and creating compelling and brand-aligned job postings that accurately reflect role requirements, and AI-scheduling applications to improve the efficiency of interview coordination. AI is used as a support tool only. All hiring decisions are made by talent acquisition and hiring teams. Why This Role Is Open We are currently hiring for this role due to an existing o