• Act as the technical reference for the Engineering team, influencing decisions through collaboration and technical excellence. • Conduct code reviews with a focus on quality, maintainability, scalability and adherence to defined standards. • Establish and evolve best practices for the use of AI in development, ensuring a balance between speed and quality. • Participate in engineering refinement sessions, contributing to the technical validation of solutions before development begins. • Support architecture decisions in collaboration with Product, DevOps, Data and strategic leadership (CEO/CPO). • Contribute to the gradual reduction of technical debt and the evolution of the platform architecture. • Assist in resolving complex technical challenges, helping the team grow without taking over task execution. • Actively participate in the development of strategic features, integrations and product priority initiatives. • Document technical decisions, architectural patterns and relevant learnings for the team. • Promote knowledge sharing through code reviews, pair programming and continuous collaboration. • Contribute to the improvement of quality practices in partnership with QA.

• Define and drive architectural decisions that span multiple teams and services, balancing long-term sustainability with near-term delivery needs. • Identify and resolve high-priority technical risks, bottlenecks, and systemic issues across the platform before they become production problems. • Own the technical direction of cross-team initiatives from inception through delivery, including design documentation, stakeholder alignment, and implementation. • Establish and champion engineering standards, patterns, and best practices that improve consistency, reliability, and developer productivity organization-wide. • Contribute production-quality code to critical, high-complexity features and platform services using Python and React. • Lead major refactors and modernization efforts, improving performance, observability, and maintainability of core systems. • Write and review Kubernetes manifests, Helm charts, and CI/CD pipeline configurations (Jenkins, ArgoCD) to support reliable, repeatable deployments. • Implement and promote automated testing strategies — unit, integration, and end-to-end — that maintain confidence in a fast-moving codebase. • Serve as a technical mentor and thought partner to senior and intermediate engineers, helping them grow through code reviews, design discussions, and informal coaching. • Lead internal tech talks, brown bags, and documentation efforts to disseminate technical knowledge across the organization. • Participate actively in the engineering hiring process, including technical interviews and calibration, helping raise the quality of the team. • Model the behaviors of a high-trust, high-ownership engineering culture: bias for action, direct communication, and shared accountability for outcomes. • Partner with Product Owners and QA leads to shape roadmap priorities through a technical lens, identifying dependencies and sequencing work for maximum impact. • Communicate complex technical tradeoffs clearly to non-technical stakeholders, including engineering leadership and product management. • Collaborate with DevOps and platform teams to improve infrastructure automation, observability tooling, and cloud resource efficiency on AWS. • Represent engineering in cross-functional planning forums, contributing to roadmap shaping, capacity planning, and technical risk discussions.

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.