Senior Software Engineer (Fullstack Backend focus)

Job description

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: Experience integrating AI technologies into software products or using AI tools to improve engineering productivity is highly valued. 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