Principal Full-Stack Engineer (C# / React / AWS)

Fullstack Developer
Remote
March 5, 2026
Full Time
Application ends: June 4, 2026
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Job Description

We are looking for a Principal Full-Stack Engineer (C# / React / AWS) to shape the future of our web, mobile, and API platforms. This is a senior technical leadership role responsible for setting development standards, driving innovation, and ensuring delivery of scalable, high-quality solutions across web, mobile, and API platforms. This role requires hands-on coding expertise, cross-team collaboration, and the ability to mentor and guide developers across multiple projects and technologies. 

Lead architecture & delivery

  • Set technical direction across front-end, back-end, mobile, and cloud.
  • Design scalable APIs and data solutions using MySQL, SQL Server, Redis, and OpenSearch.
  • Shape and evolve containerised and serverless workloads (Docker, AWS ECS, Lambda).
  • Ensure performance, reliability, security, and clean engineering practices.

Drive modern development

  • Guide teams using frameworks such as React, Next.js, Vue, C#, .NET, and modern CI/CD pipelines.
  • Support native and cross-platform mobile teams through stable, well-versioned APIs.
  • Integrate AI-assisted capabilities where useful (e.g., search relevance, summarisation, assistants).

Collaborate across the business

  • Work closely with product, UX, QA, mobile, DevOps, and analytics teams to deliver cohesive experiences.
  • Influence architecture, data models, API contracts, and system design decisions.
  • Ensure consistent instrumentation and analytics across platforms (GA4, GTM).

Mentor & grow the engineering team

  • Coach developers through code reviews, pairing, and knowledge-sharing.
  • Champion best practices in coding, testing, observability, and continuous improvement.
  • Foster a culture of innovation and responsible use of AI tooling.

Deliver with impact

  • Balance hands-on coding with technical leadership.
  • Provide visibility on progress, risks, and dependencies across systems.
  • Ensure high-quality releases with strong testing, monitoring, and performance outcomes.

 Essential experience:

  • Front-end: React.js, Next.js, Vue.js, Nuxt.js (or equivalent modern JS frameworks). 
  • Back-end: C#, .NET (Core/8), REST/JSON APIs, AWS Lambda / serverless deployments. 
  • Data & Storage: 
  • Relational databases: MySQL and SQL Server – schema design, indexing, query optimisation, migration strategies. 
  • Caching: Redis (or compatible) for session, configuration, and application data. 
  • Files/objects in S3 or equivalent.
  • Search: 
  • DevOps/Cloud & Virtualisation: 
  • AWS (core services including Lambda, ECS, S3, API Gateway, RDS). 
  • Docker-based development and deployment workflows. 
  • Terraform and CI/CD pipelines, infrastructure-as-code. 
  • Demonstrated ability to innovate, simplify, and deliver impactful solutions at scale.

Are you interested in this position?

Apply by clicking on the “Apply Now” button below!

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