17 systems integration developer jobs found

Senior NetSuite Developer £500 - £550 per day (Outside IR35) This freelance opportunity offers the chance to lead complex NetSuite transformation programmes across multi-entity, international environments. You will take ownership of end-to-end solution design and delivery, working closely with senior stakeholders to shape scalable NetSuite architectures that support long-term business transformation. The Company They are a global organisation operating across multiple regions and business units, undergoing significant systems and process transformation. NetSuite sits at the centre of their finance and operational landscape, supporting growth, optimisation, and integration across the wider technology estate. The environment is complex, fast-moving, and collaborative, with a strong focus on long-term platform value. The Role and Deliverables Lead end-to-end NetSuite solution architecture and delivery across multi-entity and...

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. Key responsibilities...

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...

Technical Test Lead - Belfast (3 days onsite per week) - Contract, up to £535pd Outside IR35 We are supporting a major client in Belfast who are looking to appoint two Technical Test Leads to join an early-stage, high-profile programme. This is a hands-on delivery role sitting within a technical programme team, with strong focus on testing execution, coordination and quality assurance across multiple systems. Our client is looking for individuals who can stay close to delivery, actively drive testing activity and work across technical and business stakeholders to ensure readiness for release. The Technical Test Lead will take ownership of end-to-end testing across defined systems and releases, including SIT, UAT and integration testing. You will be responsible for shaping and delivering test strategy at a practical level, ensuring full coverage, traceability and readiness across all test phases. The programme is currently in its infancy so this is a strong...

Senior .NET / Full Stack Developer – Hybrid – £500/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a unique opportunity for a Senior .NET / Full Stack Developer to join a payments company. As a Senior .NET / Full Stack Developer , you’ll play a key role in building and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on senior engineering role where you’ll contribute to architectural discussions, drive engineering best...

6-Month Contract Hybrid Working (2 days onsite in the Brentwood area)  Up to £530 per day Outside IR35 A hybrid IT Project Manager & Business Analyst is required to support a transforming business with the delivery of a key systems integration project. This role will play a central part in bridging technology and operations, leading the implementation of an automated interface between a bespoke SQL-based application and Microsoft Dynamics 365 Finance / F&O. The focus is not only on technical delivery, but also on ensuring operational teams are fully prepared to adopt new processes and systems. Key Responsibilities Work collaboratively within a multi-disciplinary delivery team, including internal developers and third-party suppliers Map and document key business processes, ensuring alignment between technical solutions and operational requirements Translate business needs into clear, actionable technical requirements Lead change management...

Job Title: Oracle Project Manager Location: Hybrid - 3 Days per week onsite (Midlands) Salary/Rate: DOE Start Date: As Soon As Possible Job Type: 6-Month Contract - Outside IR35 Oracle Project Manager needed for the end-to-end delivery of Oracle ERP integrations across Legacy and new Oracle Cloud ERP applications. Job Responsibilities/Objectives: Lead the end-to-end delivery of Oracle ERP integrations Manage build activities, unit/system testing, release management, and production cutover. Coordinate and lead distributed nearshore and offshore delivery teams. Drive Agile delivery practices, including sprint planning, stand-ups, retrospectives, and reporting. Track burn-down/burn-up metrics and maintain transparency of programme progress. Manage and escalate risks, issues, and dependencies to senior programme leadership. Work closely with developers, testers, architects, and business stakeholders to deliver against challenging timelines. Support budget tracking and...

Full Stack Engineer - Contract 3 months initial contract with possible extension Farnborough - Hybrid £500-550pd Outside IR35 Security Clearance : It is an essential requirement for candidates to obtain UK Security Clearance (SC Level) prior to appointment. We're looking for a Full Stack Engineer who thrives on solving complex technical challenges and wants their work to deliver real-world operational impact. This is an opportunity to build secure, high-performance digital solutions used in critical environments, where reliability, scalability, and thoughtful engineering truly matter. As a Full Stack Engineer, you'll play a key role in designing, building, and delivering secure applications. You'll collaborate with engineers, architects, and delivery specialists to create technology that enables faster, safer, and more informed decision-making. What You'll Do; Collaborate with the Technical Lead to design and contribute to high-level and low-level system...

Oracle Project Manager - 6 Months initial – Hybrid (Midlands) – Outside IR35 VIQU have partnered with a leading enterprise organisation undergoing a complex Oracle Fusion Finance Transformation. As part of this programme, they are seeking an Oracle Project Manager to oversee the technical delivery of integrations between legacy systems and Oracle ERP. The Role: We are looking for a tech-savvy Oracle Project Manager to focus on the end-to-end delivery of Oracle ERP integrations, covering build, unit / system testing, release management, and production deployment. This role requires someone who can bring structure, pace, and accountability. Key Responsibilities & Experience: Manage the delivery of inbound and outbound integrations between legacy systems and Oracle ERP (circa 60 integrations and 10 endpoints). Oversee build, testing, release management, and production cutover activities. Lead distributed nearshore and offshore teams, ensuring effective collaboration...

Oracle Project Manager - 6 months initial - Hybrid (Midlands) - Outside IR35 VIQU have partnered with a leading enterprise organisation undergoing a complex Oracle Fusion Finance Transformation. As part of this programme, they are seeking an Oracle Project Manager to oversee the technical delivery of integrations between Legacy systems and Oracle ERP. The Role: We are looking for a tech-savvy Oracle Project Manager to focus on the end-to-end delivery of Oracle ERP integrations, covering build, unit/system testing, release management, and production deployment. This role requires someone who can bring structure, pace, and accountability. Key Responsibilities & Experience: Manage the delivery of inbound and outbound integrations between Legacy systems and Oracle ERP (circa 60 integrations and 10 endpoints). Oversee build, testing, release management, and production cutover activities. Lead distributed nearshore and offshore teams, ensuring effective collaboration...

Full Stack Engineer - Contract 3 months initial contract with possible extension Farnborough - Hybrid £500-550pd Outside IR35 Security Clearance : It is an essential requirement for candidates to obtain UK Security Clearance (SC Level) prior to appointment. We're looking for a Full Stack Engineer who thrives on solving complex technical challenges and wants their work to deliver real-world operational impact. This is an opportunity to build secure, high-performance digital solutions used in critical environments, where reliability, scalability, and thoughtful engineering truly matter. As a Full Stack Engineer, you'll play a key role in designing, building, and delivering secure applications. You'll collaborate with engineers, architects, and delivery specialists to create technology that enables faster, safer, and more informed decision-making. What You'll Do; Collaborate with the Technical Lead to design and contribute to high-level and low-level system...

Azure Integration Developer (Contract) Outside IR35. Duration: 2.5 months/10 weeks Hybrid - 1 day per week in either Stourbridge or Banbury. Paying between £600-650 per day, depending on experience. We are supporting a client in the transport sector who require an Azure Integration Developer on a short-term contract to deliver a secure, Azure-hosted integration service supporting an onboard train seat reservation system. This role will focus on building a lightweight, serverless HTTPS API using Microsoft Azure, handling structured JSON data, secure configuration, and monitoring. The work will be delivered under internal technical guidance, with testing and operational coordination supported by the wider team. Key responsibilities include: Building an HTTPS API using Azure Functions Developing data transformation logic in line with defined interface specifications Implementing storage for reservation data and configuration Adding logging, monitoring, and...

Azure Integration Developer (Contract) Outside IR35. Duration: 2.5 months/10 weeks Hybrid - 1 day per week in either Stourbridge or Banbury. Paying between £600-650 per day, depending on experience. We are supporting a client in the transport sector who require an Azure Integration Developer on a short-term contract to deliver a secure, Azure-hosted integration service supporting an onboard train seat reservation system. This role will focus on building a lightweight, serverless HTTPS API using Microsoft Azure, handling structured JSON data, secure configuration, and monitoring. The work will be delivered under internal technical guidance, with testing and operational coordination supported by the wider team. Key responsibilities include: Building an HTTPS API using Azure Functions Developing data transformation logic in line with defined interface specifications Implementing storage for...

Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud environments Build and...

Senior Technical Lead Developer - Microsoft Dynamics 365 CE Contract | 6 months | Outside IR35 | Competitive Day Rate | Hybrid We are recruiting a Senior Technical Lead Developer with strong Microsoft Dynamics 365 CE/CRM experience for an initial 6?month contract. This is a hands?on technical leadership role, ideal for a senior developer who enjoys owning technical delivery while providing light?touch line management, mentoring and coaching . The role does not involve heavy people management but does require clear technical authority. Responsibilities Lead the technical design and delivery of Dynamics 365 CE solutions Build and customise Dynamics using plugins, workflows and integrations Act as technical escalation point across the development team Provide mentoring and coaching to developers Translate business requirements into scalable, secure technical solutions Contribute to architectural decisions while remaining hands?on Essential Skills &...

Oracle Project Manager - 6 Months initial - Hybrid (Midlands) - Outside IR35 VIQU have partnered with a leading enterprise organisation undergoing a complex Oracle Fusion Finance Transformation. As part of this programme, they are seeking an Oracle Project Manager to oversee the technical delivery of integrations between legacy systems and Oracle ERP. The Role: We are looking for a tech-savvy Oracle Project Manager to focus on the end-to-end delivery of Oracle ERP integrations, covering build, unit / system testing, release management, and production deployment. This role requires someone who can bring structure, pace, and accountability. Key Responsibilities & Experience: Manage the delivery of inbound and outbound integrations between legacy systems and Oracle ERP (circa 60 integrations and 10 endpoints). Oversee build, testing, release management, and production cutover activities. Lead distributed nearshore and offshore teams, ensuring...