Senior Software Engineer (Fullstack Backend focus)

We are seeking a talented Senior Software Engineer (Fullstack with backend focus) to join our team and help build cutting-edge applications that transform the financial markets. In this role, you will primarily focus on developing scalable, secure, and high-performing backend systems while also contributing to frontend development when needed. To succeed in this role, you are comfortable navigating a fast-paced, high-growth environment where priorities evolve quickly. You take a proactive approach to problem-solving, enjoy finding smarter and more efficient ways of working through AI and automation, and consistently deliver high-quality results with speed and precision. Key Responsibilities - Backend Development: Design, build, and maintain scalable backend services using Node.js, TypeScript, and Express.js, with a strong focus on performance, reliability, and maintainability. - API Development: Develop and maintain secure, well-structured RESTful APIs and integrations that enable seamless communication between internal systems, frontend applications, and third-party services. - System Architecture: Contribute to technical design and architectural decisions, building systems that can scale as the platform, customer base, and transaction volumes grow. - Database Development: Design efficient data models, queries, and storage solutions using relational or NoSQL databases, ensuring data integrity, security, and performance. - Cloud Infrastructure: Deploy, manage, and maintain cloud-based applications using AWS or similar platforms, ensuring scalability, availability, security, and effective monitoring. - AI Integration: Develop and integrate AI-powered features into software applications. Experience building AI tools or leveraging AI to improve development workflows is highly beneficial. - Frontend Contribution: Contribute to frontend development using React and Next.js when required, supporting the delivery of complete end-to-end solutions. - Collaborative Development: Work closely with frontend engineers, product managers, designers, and other stakeholders to deliver high-quality features and continuously improve the platform. - Project Ownership: Take ownership of features and services throughout the entire development lifecycle—from concept and technical design to implementation, testing, deployment, monitoring, and maintenance. - Performance & Reliability: Identify bottlenecks, troubleshoot complex issues, and improve the performance, resilience, and observability of backend systems. - Security & Code Quality: Write clean, secure, maintainable, and testable code while following modern development standards, participating in code reviews, and continuously improving engineering practices. - Stakeholder Communication: Clearly communicate technical solutions, progress, risks, and challenges to both technical and non-technical stakeholders. Skills & Qualifications - 5+ Years of Experience: Minimum five years of professional software development experience, with a proven track record of building and maintaining production-grade applications. - Backend Expertise: Strong experience with Node.js, TypeScript, Express.js, RESTful APIs, and modern backend architecture. - Database Experience: Experience working with relational and/or NoSQL databases, including data modelling, query optimisation, and performance considerations. - Cloud Services: Experience deploying and managing applications in AWS or similar cloud environments. - Scalable Systems: Strong understanding of system design, distributed applications, API security, application performance, testing, monitoring, and fault tolerance. - Frontend Knowledge: Experience with React and Next.js, with the ability to contribute across the full stack when needed. - AI Integration: AI assisted development experience with Claude or equivalent. - Fintech Experience: Previous experience within Forex trading, financial technology, payment systems, or trading platforms is considered a strong advantage. - Strong Social Skills: Excellent collaboration and communication skills, with the ability to work effectively across cross-functional teams. - Time & Project Management: Proven ability to prioritise work, manage multiple projects, and deliver high-quality solutions in an agile environment. Professional Attributes - Backend Mindset: Passionate about building secure, scalable, reliable, and well-structured backend systems. - Problem Solver: Enjoys investigating complex technical challenges and developing pragmatic, sustainable solutions. - Project Ownership: Takes responsibility for delivering high-quality features and services from idea to production. - Team Player: Collaborates effectively with cross-functional teams and contributes to a positive engineering culture. - Strong Communication Skills: Clearly communicates technical concepts and trade-offs to both technical and non-technical audiences. - Innovative & Forward-Thinking: Continuously explores new technologies, AI capabilities, and best practices to improve products and development processes. - Agile & Adaptable: Thrives in a fast-paced startup environment and adapts quickly to changing priorities. Essential Skills - Node.js - TypeScript - Express.js - REST APIs - Backend and API architecture - Relational and/or NoSQL databases - AWS or a similar cloud platform - System design and scalable applications - Application security, performance, and reliability - Testing, monitoring, and troubleshooting - React and Next.js - Experience building data-driven web applications and platforms