Full stack developer

Fnality is building the future of financial market infrastructure – creating regulated, blockchain-based payment systems to power tomorrow’s wholesale banking ecosystem. Backed by leading global banks and operating at the intersection of technology, finance, and regulation, we are powering the future of finance, together. There are no precedents for what we're doing. With you on our side, we'll be setting new ones every day.

• Full-Stack Software Development using Python and React as main stack
• Design, develop, test and maintain applications across the full technology stack
• Build scalable and resilient backend services, microservices and APIs
• Develop intuitive and reliable web applications and user interfaces
• Translate product and business requirements into well-designed technical solutions
• Write clean, maintainable, secure and well-tested code
• Participate in code reviews, technical design discussions and architecture decisions
• Develop reusable components and engineering patterns that improve consistency and efficiency across the platform.
• Build and maintain integrations between Fnality platforms, participant systems and external services
• Develop APIs and services that allow applications and platforms to interact securely and reliably
• Work with distributed systems and asynchronous or event-driven architectures
• Contribute to the integration of traditional financial technology with emerging digital asset and DLT-based infrastructure
• Troubleshoot complex issues across application, integration and platform layers.
• Build security, resilience, performance and maintainability into solutions from the outset
• Develop automated unit, integration and end-to-end tests
• Contribute to CI/CD and automated software delivery practices
• Apply secure software development and DevSecOps principles
• Ensure applications meet appropriate engineering, security and operational standards
• Support observability through effective logging, monitoring and alerting
• Contribute to production support, incident investigation and root-cause analysis where required.
• Use AI-assisted development tools effectively and responsibly to support coding, testing, documentation, troubleshooting and software design
• Apply strong engineering judgement when reviewing and validating AI-generated code or recommendations
• Identify opportunities where AI can simplify engineering workflows or improve internal applications
• Experiment with emerging AI technologies where they provide demonstrable business or engineering value
• Remain accountable for code quality, security and engineering decisions regardless of whether AI tools have been used in development.

• Experience developing backend applications and APIs using technologies such as Python (preferred), Java, Kotlin, C#, Node.js or similar
• Experience with modern frontend technologies such as React (preferred), TypeScript and JavaScript
• Strong professional experience as a software engineer working across both backend and frontend technologies
• Strong knowledge of object-oriented and/or functional software development
• Experience designing and consuming REST APIs and working with service-based architectures
• Strong understanding of software engineering principles, design patterns and clean-code practices
• Experience with relational and/or NoSQL databases
• Experience developing and deploying applications within a cloud environment such as Microsoft Azure, AWS or GCP
• Experience with automated testing and CI/CD
• Understanding of containerisation technologies such as Docker and Kubernetes
• Experience working with Git and modern collaborative software development practices
• Strong analytical and problem-solving skills
• Ability to communicate technical concepts clearly to both technical and non-technical stakeholders.
• Будет плюсом: Experience within financial services, payments, banking, fintech or financial market infrastructure; Knowledge of payment systems, settlement or transaction processing; Experience building systems requiring high levels of resilience, availability and security; Experience with event-driven architectures and technologies such as Kafka or similar messaging platforms; Understanding of distributed systems and distributed ledger technology; Exposure to Ethereum or enterprise blockchain technologies; Experience working within a regulated technology environment; Understanding of cybersecurity and secure development principles; Experience integrating complex enterprise or banking systems; Practical experience using AI-assisted software engineering tools such as GitHub Copilot or equivalent

• We have a supportive culture that helps to bring the best out of each and every single one of our employees.
• Bring your new ideas and help us to solve problems together by joining a community of experts.
• We will support you by fostering an open, honest culture, that enables flexibility and wellbeing.
• We have the agility, speed and innovation of a start-up, and a flexible working environment that enables this.
• You will join a team working on the next iteration of the payment system at a time when Fnality is onboarding with major currencies.
• You will be part of a growing in-house capability, joining early enough to shape how it's built.