Senior Software Engineer

Novatus is a Series B scale-up Reg Tech SaaS provider and boutique advisory practice, enabling financial services firms to solve complex challenges and redefine what’s possible through expert-led technology and consulting. Across both our technology and consulting services, Novatus delivers practical solutions to some of the most complex regulatory, data and operational challenges in financial services.

Our SaaS platform, En>

ACT (short for ensuring more accurate, complete and timely reporting), is a market-leading solution for regulatory transaction reporting and reconciliation, providing real-time, independent oversight of transaction reporting across all global regulatory regimes. En>

ACT is the only real-time assurance solution that tests 100% of transactions and 100% of fields, replacing sample-based reviews and static PDF reports delivered months after the event with live, actionable insights. This helps firms remediate quickly, reduce risk, and meet regulatory obligations with confidence. Already trusted by more than 45 firms worldwide, the platform is scalable, proven, and designed for both business and technical users.

Alongside our SaaS offering, our unique model delivers consulting services to solve complex challenges, combining deep expertise, ownership and delivery to create lasting change. Our expertise spans Strategy & Operations, Data & AI, Risk & Resilience, Compliance, Transaction Reporting, and ESG. We embed ourselves within client teams to deliver both insight and execution, taking ownership of outcomes and driving measurable impact.

Since our launch in 2019, we have scaled rapidly, creating space for our people to grow the business. Backed by North American private equity investment, and partnerships with the London Stock Exchange Group and Snowflake’s global data platform, we are shaping the future of financial services through innovation in both consulting and technology. Now a team of 120 globally, our growth plans do not stop here: we are looking for top-tier talent to join us on our journey and enable our next phase of success.

As a Senior Software Engineer
, you'll build and maintain our core domain services. You'll write clean, well-tested code, deliver reliably, and hold a consistently high standard in everything you ship.

You'll work with in a modern architecture built on Domain-Driven Design, event-driven patterns, and hexagonal architecture. You'll join at a pivotal stage as we re-platform from a legacy Django application to a service-based .NET platform on AWS. Our systems power regulatory reporting for major financial institutions, requiring precision, traceability, and reliability.

• Build and maintain core domain services using C# and .NET.
• Deliver high-quality, well-tested, maintainable code.
• Review peers' code and contribute to a strong, consistent engineering standard.
• Build systems that are auditable, resilient, and observable in regulated environments.
• Use AI tooling in your workflow to deliver efficiently without compromising quality.
• Collaborate with Product, Data Engineering, Dev Ops, QA, and Regulatory teams to turn requirements into working software.

• Strong hands-on experience building services with C# and .NET.
• Solid experience working in event-driven (we use Kafka), service-based systems.
• Familiar with Domain-Driven Design and hexagonal architecture.
• Strong software engineering fundamentals (clean code, automated testing, CI/CD, observability).
• Hands-on experience with AWS.
• Actively use AI tooling (e.g. Copilot, Claude Code, Codex etc) and have opinions on best practices.
• Ability to translate regulatory or domain requirements into working code.
• High ownership mindset and accountability for delivery and reliability.

• Experience re-platforming or modernizing legacy systems.
• Fin Tech, Reg Tech, or financial services background.

Work Across Disciplines: You won't be confined to a single track- you will develop a broader skillset across our capabilities and offerings.

Solve Problems that Matter: Work on complex challenges, where your thinking, analysis, and…