16 systems integration developer jobs found

Role: Data and AI Tech Lead Role Type: Outside IR35 Contract Rate: Negotiable Location: London, UK - Hybrid (Hybrid 1 or 2 Days Onsite a week) Note: No of positions 1. Role Overview: We are seeking a Data & AI Technical Lead to drive the Discovery & Design phase of a large-scale M&A program for a Retail & CPG client. This role will lead the technical direction across a complex, multi-cloud data landscape spanning Azure, AWS, GCP, Databricks, and Snowflake. You will oversee and guide senior Data Architects, ensuring architectural alignment, technical quality, and business relevance. The role sits at the intersection of business strategy, data architecture, and platform engineering, acting as a key liaison between client stakeholders, IT teams, and the Chief Data Office. This is a high-impact leadership role requiring both hands-on architectural depth and stakeholder influence at senior levels. Key Responsibilities: 1. Technical...

React Developer Remote with very occasional client visits £400pd to £420pd - Outside IR35 3 month contract - potential for extension Our client, an established and successful Consultancy are looking for a number of mid-level Developers to join them on a contract basis With head offices in the north of the UK and branches spreading across the globe, they're a dynamic technology consultancy leader with a dedicated team of professionals, partnering with sector leaders After recently winning a large public sector project they are creating a whole new team and need people who are able to start no later than March 16th. This is a fully hands on role where you will work as part of an established successful team, primarily working with React and Typescript technologies We are looking for: Expert knowledge of React Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and responsive UI engineering. Experience with Redux or other state management libraries. 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...

About BigHand BigHand offers technology solutions for busy legal professionals that provide data and insights to increase value and profits. Through our expert knowledge and innovative technology, we enable our customers to achieve enhanced efficiency, better decision-making and harness their competitive edge. We build with tomorrow in mind, transforming ideas into action and empowering our customers to succeed in a world of constant change. We make big happen for our customers. We are a business driven by our values and have these at the centre of everything we do. Our BigHanders are dedicated to building a culture where We Win Together, We Love to Learn, We Do the Right Thing, We Own It and We Find the Fun. About the role We're looking for 4 Azure DevOps Consultants to work on a greenfield AI transformation programme. Building Azure cloud services from scratch, you will actively promote DevOps ways of working and SRE best practices within teams. Work...

Business Analyst (Microsoft Dynamics CRM) Location: Hybrid - London or Northampton Contract: 9 months (Initial) Rate: £330 per day (Outside IR35) Start Date: ASAP Only candidates with housing experience and Microsoft Dynamics CRM will be considered for this position. Overview Endeavour Recruitment is working on behalf of a housing client seeking an experienced Business Analyst to support a newly developed Asset Management System built on Microsoft Dynamics CRM. The successful candidate will play a key role across multiple projects, focusing on integration, compliance, and ensuring effective system interconnectivity. Key Responsibilities Work across multiple concurrent projects within the asset management and systems landscape Gather, analyse, and document business and technical requirements Support system integration initiatives across platforms Ensure compliance requirements are accurately captured and implemented Collaborate with stakeholders across business...

Location: Wembley, London Contract: 6 months (Temp -ongoing expected) Rate: £550 per day (Outside IR35) Working Pattern: Hybrid (TBC) Overview We are seeking an experienced NEC Housing Developer to support a significant and complex re-implementation programme of the NEC Housing system. This programme is central to delivering a markedly improved Housing service for tenants and leaseholders, enabling more collaborative and efficient working across Housing and wider Council services. The role plays a critical part in improving KPI, operational, and performance reporting, strengthening rent and service charge income collection, and supporting improved debt recovery. A key deliverable will be the incorporation of approximately 4,500 leasehold properties into NEC Housing, providing full visibility of leasehold data within the system for the first time. Key Responsibilities Support and contribute to system design...

Location: Wembley, London Contract: 6 months (Temp -ongoing expected) Rate: £550 per day (Outside IR35) Working Pattern: Hybrid (TBC) Overview We are seeking an experienced NEC Housing Developer to support a significant and complex re-implementation programme of the NEC Housing system. This programme is central to delivering a markedly improved Housing service for tenants and leaseholders, enabling more collaborative and efficient working across Housing and wider Council services. The role plays a critical part in improving KPI, operational, and performance reporting, strengthening rent and service charge income collection, and supporting improved debt recovery. A key deliverable will be the incorporation of approximately 4,500 leasehold properties into NEC Housing, providing full visibility of leasehold data within the system for the first time. Key Responsibilities Support and contribute to system design...

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...

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 backend 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...

Job Title: Salesforce Developer Day Rate: £275/day (OUTSIDE IR35) Location: Hybrid (London / Newbury) Contract Length: 6 months (extendable) Salesforce Developer - Role & Responsibilities Design and develop scalable Salesforce solutions using Apex, Lightning Web Components, and integrations aligned to architectural standards. Deliver business change initiatives on the Salesforce platform in line with roadmap priorities and delivery plans. Contribute to code quality through active participation in code reviews and adherence to established development standards. Support platform stability by troubleshooting complex issues and owning high-impact incidents within SLA targets. Collaborate with DevOps and stakeholders to support releases, CI/CD processes, and Salesforce seasonal updates. Salesforce Developer - Required Experience Less than 5 years of hands-on Salesforce development experience delivering production-ready solutions. Strong technical...

Senior 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 backend 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,...

Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one for you. Job Description Senior Test Analyst – Retail Banking...

Job Title: ServiceNow Architect Day Rate: £650/day (OUTSIDE IR35) Location: Hybrid (3 days a week in London) Contract Length: 6 months (extendable) ServiceNow Architect - Role & Responsibilities Architecture & Design: Define the technical roadmap, architecture, and design for TSM modules (service lifecycle management, order management, network inventory). Implementation & Integration: Architect complex integrations with BSS/OSS systems, using REST, SOAP, and IntegrationHub. Domain Expertise: Lead implementation of Telecom Network Inventory, Product Catalog, and Service Order Management. Governance & Mentorship: Guide developers, perform code reviews, and establish best practices for coding, customization, and platform upgrades. Strategic Advisory: Partner with stakeholders to align platform improvements with business goals, enhancing customer service and reducing operational risks. ServiceNow Architect - Required Experience...

Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one for you. Job Description Senior Test Analyst –...

Full job description Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our...

Hybrid: 3 days in London Day Rate: 550 GBP/Day (Outside Overview : A ServiceNow Telecommunications Service Management (TSM) Architect designs and governs end-to-end solutions within the ServiceNow TSM module, aligning with ITOM, ITIL, and CMDB/CSDM standards. They translate business requirements into technical blueprints, overseeing development teams to implement scalable, automated telecom operations, including network inventory, service assurance, and OSS/BSS integrations. Key Responsibilities Architecture & Design: Define the technical roadmap, architecture, and design for TSM modules (service lifecycle management, order management, network inventory). Implementation & Integration: Architect complex integrations with BSS/OSS systems, using REST, SOAP, and IntegrationHub. Domain Expertise: Lead implementation of Telecom Network Inventory, Product Catalog, and Service Order Management. Governance & Mentorship: Guide developers, perform...