Senior Associate - Full Stack

Responsibilities

Design, build, and maintain high-quality React, TypeScript, .NET, and C# applications aligned to architecture and squad priorities.
Build reusable UI components, API services, domain services, background workers, and integrations using clean architecture and squad patterns.
Write clean, secure, maintainable front-end and back-end code following SOLID, React patterns, domain modelling, and engineering standards.
Develop client-side features, API integrations, data layers, and SQL Server / Entity Framework solutions for performance, reliability, and maintainability.
Build responsive, accessible, containerised, and event-driven components to support scalable, resilient platforms where appropriate.

Create and maintain automated tests across unit, component, integration, contract, end-to-end, and service layers, using TDD where appropriate.
Contribute to CI/CD, quality gates, automated deployment, environment setup, static analysis, and release readiness.
Support observability, resilience, logging, monitoring, alerting, accessibility, and performance tuning.
Apply secure coding across authentication, authorisation, API use, data handling, dependency management, and service communication.

Collaborate with developers through code reviews, pairing, design discussions, and constructive technical feedback.
Collaborate with junior, mid-level, and senior developers through code reviews, pairing, design discussion, and constructive technical feedback.
Contribute to shared full-stack standards, templates, component and service patterns, and clean architecture practices.
Support onboarding, knowledge sharing, and technical documentation where full-stack input is needed.

Work with Architects, Lead Engineers, QA, Product Owners, and Platform Engineers to resolve cross-cutting technical issues.
Improve shared front-end libraries, back-end frameworks, reusable components, and platform components where required.

Work with Architects, Product Owners, Platform Engineers, QA, and peers to ensure solutions meet business and user needs.
Participate in Agile ceremonies, including planning, refinement, retrospectives, technical discovery, and continuous improvement.

Identify practical improvements to developer experience, quality, maintainability, accessibility, resilience, and delivery effectiveness.
Stay current with React, TypeScript, .NET, cloud, clean architecture, testing, accessibility, and integration practices.
Support continuous learning and engineering improvement across the squad and wider community.

6-8 years of professional software engineering experience, or equivalent capability demonstrated through delivery experience.
Relevant experience delivering modern full-stack applications using React, TypeScript, C#, .NET, APIs, and SQL Server in commercial or enterprise environments.
Bachelor’s degree in Computer Science, Engineering, Technology, or equivalent practical experience.
Full-stack development with React, TypeScript, JavaScript, HTML5, CSS3, C#, .NET, ASP.NET Core, Web APIs, and modern architecture.
6-8 years of professional software engineering experience, or equivalent capability demonstrated through delivery experience.
Good hands-on proficiency in React, TypeScript, JavaScript, HTML, CSS, C#, .NET, ASP.NET Core, and Web API development.
Experience designing and delivering REST APIs, service components, integration patterns, and secure authentication / authorisation flows.
SQL Server and Entity Framework Core capability, including data modelling and query optimisation awareness.
Good understanding of clean architecture, SOLID principles, Domain-Driven Design concepts, and maintainable service design.

Microservices, containers, event-driven architecture, messaging, and integrations.
Advanced front-end state and data-fetching patterns, such as Redux, Zustand, or TanStack Query.
Terraform or similar IaC, cloud observability, performance tuning, and production support.

Skills, Knowledge and Expertise

Front-end architecture covering hooks, components, routing, forms, validation, state management, responsive design, and reusable UI patterns.
Back-end engineering with clean architecture, SOLID, DDD concepts, service boundaries, background services, and maintainable APIs.
REST APIs, OpenAPI/Swagger, authentication, authorisation, API versioning, and secure integration patterns.
SQL Server, Entity Framework Core, data modelling, query optimisation, transactions, and data access patterns.
Automated testing across unit, component, integration, contract, end-to-end, and performance layers using relevant tools.
Azure, CI/CD, Azure DevOps or equivalent tools, dependency management, quality gates, and infrastructure-as-code awareness.
WCAG accessibility, browser compatibility, front-end performance, observability, logging, monitoring, and secure coding.

Experience implementing maintainable front-end application structures, reusable components, and consistent UI patterns.
Automated test practices across unit, component, integration, contract, and end-to-end testing.
Experience with CI/CD pipelines, code quality tooling, modern DevOps practices, Azure services, and secure coding principles including OWASP awareness.