Senior Full Stack Developer (.NET & React)

Job Description

We are looking for an experienced Senior Full Stack Developer with strong expertise in C#, .NET 6+ and React (18+) to design, develop, and maintain scalable enterprise-grade applications within the banking / wealth management domain.

The role requires deep technical capability, strong problem-solving skills, and the ability to work closely with business and technical stakeholders to deliver high-quality, secure, and performant solutions that comply with banking standards.

Key Responsibilities

Professional Responsibilities

• Plan, prioritise, and manage multiple development tasks effectively

• Influence and drive projects to meet milestones and overcome technical challenges

• Translate business and functional requirements into robust, scalable technical solutions

• Communicate complex technical concepts clearly to non-technical stakeholders

• Build strong collaboration with internal teams and stakeholders

Technical Responsibilities

• Design, develop, and deliver full-stack applications using C#, .NET Core/.NET 6+ and React (TypeScript)

• Build and maintain ASP.NET Core Web APIs, including middleware, dependency injection, logging, and configuration

• Ensure adherence to banking standards on security, performance, and code quality

• Analyse, design, and implement complex custom-built and legacy systems

• Tackle complex defects and production issues independently and effectively

• Apply Test-Driven Development (TDD) and contribute to CI pipelines

• Optimise SQL queries and work with relational databases

• Participate in Agile delivery models (Scrum / SAFe)

Client / Stakeholder Management

• Analyse requirements, estimate effort, and plan timelines

• Maintain strong communication with stakeholders on progress and risks

• Drive and review technical and architectural designs

• Enforce architectural standards and challenge suboptimal solutions

Risk & Regulatory Responsibilities

• Ensure compliance with banking regulations, security policies, and internal controls

• Identify, manage, and mitigate technical and delivery risks

• Demonstrate integrity, diligence, professionalism, and continuous learning

Requirements

Professional Skills

• Strong organisational and prioritisation skills

• Proven ability to drive complex technical initiatives

• Experience in banking or financial services is preferred

Technical Skills

Must Have

• Strong experience in C# and .NET Core / .NET 6 or later

• Building Web APIs using ASP.NET Core Web API

• Frontend development with React 18+ (minimum 4 years)

• Strong understanding of UX / high-quality UI

• Solid computer science fundamentals (OOP, algorithms, data structures)

• Experience with TDD and acceptance testing

• SQL, relational database concepts, query optimisation

• RESTful web services

• Git, SonarQube / SonarLint

• Basic Linux shell scripting

• Hands-on development experience

Desirable

• Angular 16+

• Docker, Kubernetes

• Kafka, MassTransit

• Micro-frontends (Module Federation)

• Ability to write and understand complex SQL queries

Personal & Social Competencies

• Strong communication and interpersonal skills

• Good work ethics and punctuality

• Excellent problem-solving ability

• Team player with a service-oriented mindset

• Systematic, meticulous, and detail-oriented

• Ability to work independently and collaboratively