4 systems integration developer jobs found in Remote

Contract | Outside IR35 | £500-£600 per day | 6 months initial | Remote with 1 day per week in Northampton We are seeking an experienced Lead Systems Developer to take ownership of the design, delivery, and technical direction of core business applications, with a primary focus on Microsoft Dynamics, Azure, and integrated enterprise systems. This is a hands-on leadership role, ideal for someone who combines strong technical depth with the ability to guide developers, shape architecture, and deliver robust solutions across multiple workstreams. Role overview Working closely with Developers and Business Analysts, you will act as the senior technical authority within the team, ensuring solutions are secure, scalable, and aligned to the wider technology roadmap. You will lead complex design and build activity, mentor developers, and provide technical direction across Dynamics, integrations, and platform extensions. Similar contract roles in the market for senior Dynamics and...

Shopify App Developer Location: Remote in UK Duration: ~3 months (Project-Based Contract - potential for renewal) Rate: £450 - £550 per day Outside IR35 Overview We're looking for an experienced Shopify App Developer to support a 3-month project focused on expanding an existing Shopify app used by publishers to sell publications via their storefronts. The app is already in production, and the goal is to enhance functionality, extend integrations, and improve fulfilment workflows. This role requires someone who can quickly get up to speed with an existing codebase and deliver high-quality improvements with minimal ramp-up time. Key Responsibilities Enhance and extend an existing Shopify app Build new features using Shopify GraphQL APIs Implement and optimise Shopify Fulfilment API integrations (critical) Develop Back End services in Java (Spring Boot) Ensure stable and scalable integration between Shopify and internal systems Debug and resolve...

Senior C# Engineer - Agentic Workflows (Claude Code), .NET 8/9, AWS (Lambda, SQS) - OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We're looking for a best of breed', deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You'll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We're Looking For: Senior-Staff-level Back End engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and a track record of...

Lead C# Engineer - Agentic Workflows & Native AI Engineering, .NET 8/9, AWS (Lambda, SQS) - OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We're looking for a best of breed', deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You'll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We're Looking For: Senior-Staff-level Back End engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and a track...