We are looking for an experienced Senior Software Developer / Software Development Lead who combines strong technical expertise with sound engineering judgement. You will contribute to architectural decisions, mentor developers, and help shape the technical direction of our platforms while remaining hands-on with development.

This is not a role focused on maintaining legacy software. You will play a key part in designing and building scalable financial products from the ground up, working with modern architectures, microservices, cloud-native technologies, and high-availability systems.

Key Responsibilities

Promote engineering best practices and identify opportunities to improve development quality, efficiency, and scalability

Support and mentor other developers through technical guidance and knowledge sharing

Design, develop, and enhance modern .NET services powering our core fintech platform

Build secure, scalable APIs and integrations with internal and external systems

Develop and maintain microservices using asynchronous communication and message brokers

Improve the reliability, resilience, observability, and performance of existing services

Participate in solution architecture, technical design, estimation, decomposition, and code reviews

Collaborate with cross-functional teams to deliver high-quality software in an agile environment

Engineer high-availability solutions suitable for mission-critical financial systems

Optimise database performance, transactions, and data access strategies

Maintain and continuously improve existing applications while contributing to new product development

Talent Profile:

Essential

Minimum 5 years' commercial experience developing applications with .NET/.NET Core

Strong experience designing and building backend services and REST APIs

Excellent understanding of relational databases, transactions, indexing, and query optimisation

Solid knowledge of object-oriented programming and software engineering principles including SOLID, KISS, and DRY

Experience working with asynchronous architectures, message brokers, and messaging patterns such as Outbox, Inbox, and Saga

Experience participating in architecture discussions, code reviews, and technical solution design

Strong analytical and problem-solving skills

Good written and spoken English (Intermediate level or above)

Desirable

Experience with Domain-Driven Design (DDD)

Experience building high-load, highly available, or distributed systems

Full-stack development experience

Experience with React

Familiarity with MongoDB

Previous experience mentoring developers or leading technical initiatives

Senior Software Developer

Job Description