Role Description We invite a Senior Software Engineer with strong .NET experience to join our team and help build cutting-edge financial technology solutions for our client’s institutional partners and global users. You'll play a key role in developing scalable backend systems and decentralized financial protocols while collaborating closely with a leading U.S.-based fintech and regtech company. Qualifications - 5+ years of experience in backend software development - Strong experience building backend applications and web services using .NET 8 and ASP.NET Core - Advanced proficiency in C# (up to version 12) - Solid experience designing and developing REST APIs - Strong understanding of microservices architectures - Hands-on experience with SQL and relational databases - Experience with unit and integration testing - Experience with NServiceBus or similar messaging systems - Good understanding of Docker and containerization concepts - Experience participating in code reviews and maintaining high engineering standards - Familiarity with cloud platforms, preferably Azure - Strong troubleshooting, analytical, and problem-solving skills - Proactive mindset with the ability to learn quickly and adapt in a fast-paced environment - Strong communication and collaboration skills with experience working in Agile/Scrum teams - Upper-Intermediate English level Requirements - Experience with NoSQL databases - Knowledge of Redis or other in-memory data storage solutions - Familiarity with Azure DevOps - Experience with logging/monitoring tools (DataDog) - Understanding of authentication & authorization models (IdentityServer) - Experience in the fintech domain Key Responsibilities - Help build and maintain scalable backend applications and web services while collaborating with cross-functional teams in a dynamic Agile environment. - Participate in requirements analysis and Agile/Scrum team ceremonies - Collaborate with cross-functional teams to design and deliver software solutions - Build scalable and maintainable backend applications and services using .NET technologies - Refactor, troubleshoot, debug, and optimize existing applications - Contribute to system stability, performance, and ongoing improvements - Develop and maintain technical documentation throughout the software development lifecycle - Participate in code reviews and support engineering best practices Benefits - 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time - 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events like weddings, funerals, or the birth of a child - Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months - Grow your skills with English lessons, online training, conferences, and the option to explore new career paths

• Shape the Future of AI-Powered Workplaces • Play a key role in administering, configuring, and governing Microsoft 365 Copilot, ensuring secure, scalable, and compliant adoption across the organisation. • Drive Microsoft 365 Innovation: Contribute to the implementation and continuous improvement of Microsoft 365 solutions, with a strong focus on Copilot while supporting related technologies such as Microsoft Purview, Power BI, and tenant administration. • Enable Seamless User Experiences: Provide 2nd-level support for Microsoft 365 services, troubleshooting complex issues and helping users maximise the value of Copilot and the broader Microsoft ecosystem. • Automate for Efficiency: Identify opportunities to streamline operational activities by automating recurring tasks and processes, preferably using PowerShell, improving both service quality and operational effectiveness. • Collaborate Across the Microsoft Ecosystem: Partner with adjacent Microsoft 365 teams to design integrated, customer-oriented solutions that enhance productivity and unlock the full potential of Microsoft technologies. • Ensure Security and Compliance: Support the implementation and continuous evolution of governance, security, and compliance measures, leveraging capabilities such as Data Loss Prevention (DLP), Microsoft Purview, and other security frameworks.

• Lead the development of new features end-to-end - from refining the requirements with Product through to shipping and monitoring in production. • Drive the technical design of significant system changes and set development standards for the Backend team. • Mentor others and be willing to learn from them in turn. • Enthuse about new technology and look for pragmatic opportunities to enhance our existing technology stack. • Operate with autonomy: identify problems, propose solutions, and follow through without needing to be managed.

• Build full-stack features across the activation funnel: onboarding UI, guides, wizards, checklists, in-app messaging, and dashboards. • Own backend services and APIs that support analytics, tracking user progress, and onboarding personalization. • Build self-serve capabilities (API explorers, data previews, sandbox flows) that increase integration rates. • Implement robust event tracking using tools like Segment, Amplitude, BigQuery, and PostHog. • Collaborate with Product and Growth to define and instrument key activation metrics. • Work with analysts to surface insights and user segments for better targeting. • Run A/B tests and iterative experiments to improve signup, activation, and trial conversion. • Based on usage data, build and test UX variations, email triggers, and behavioral nudges. • Instrument cohort-based analysis to identify drop-offs and quick wins. • Partner with Product, Marketing, Sales, and Support to identify blockers and opportunities across the funnel. • Act as a technical bridge between user-facing teams and the internal analytics tools. • Help craft a frictionless developer experience from signup to first value. • Write clean, maintainable, and performant full-stack code. • Ensure smooth deployment and observability of new features (logs, alerts, error tracking). • Maintain high standards for privacy, compliance, and security.