9 systems integration developer jobs found

SQL Developer We are looking for an experienced SQL Developer to join an EMEA Business Intelligence team on an urgent basis. The successful candidate will be responsible for designing, developing and optimising SQL based data warehouse and Master Data Management solutions. This role will involve building and maintaining SQL Server objects, supporting data pipelines, improving data quality and ensuring product, customer and vendor data is consistent and accessible across business systems. Responsibilities • Design, develop and optimise SQL Server objects including views, stored procedures, functions and ETL staging layers • Maintain and enhance enterprise data warehouse structures, with a focus on performance, scalability and reliability • Support MDM initiatives, including data model design, domain logic and data quality rules • Work closely with Subject Matter Experts to validate business logic and improve data flows • Develop and maintain ETL workflows using SQL...

We are looking for a hands-on Data Migration Developer with expert-level SQL skills to support data extraction and migration to Workday Financials. The role will focus on writing complex SQL queries to interrogate, validate, and transform data as part of data migration and integration initiatives. Experience working with financial systems is strongly preferred, with exposure to Workday financials. While experience across multiple systems is ideal, expert SQL capability is essential, as the role cannot be performed without it. Contract duration: 3- 6 months location: remote Duration: 3-6 months IR35: Outside IR35 Please click here to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Real, please visit (url removed)...

We are looking for a hands-on Data Migration Developer with expert-level SQL skills to support data extraction and migration to Workday Financials. The role will focus on writing complex SQL queries to interrogate, validate, and transform data as part of data migration and integration initiatives. Experience working with financial systems is strongly preferred, with exposure to Workday financials. While experience across multiple systems is ideal, expert SQL capability is essential, as the role cannot be performed without it. Contract duration: 3- 6 months location: remote Duration: 3-6 months IR35: Outside IR35 Please visit our website to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Real, please visit our...

IBM LANSA Developer Contract | Remote | Outside IR35 (if applicable) We're supporting a consultancy client on the delivery and enhancement of a critical enterprise application platform and are looking for an experienced IBM LANSA Developer to join the team. This role will suit someone with strong experience across Visual LANSA, IBM i/AS400 environments and enterprise application development. You'll be working closely with technical stakeholders to maintain, enhance and modernise existing business-critical systems. Key Responsibilities Develop, maintain and enhance applications using Visual LANSA Work across IBM i/AS400 environments Support the modernisation of Legacy business systems Develop and maintain integrations with internal and external systems Troubleshoot and resolve application issues Work closely with technical and non-technical stakeholders to understand requirements and deliver solutions Contribute to system improvements, performance optimisation and best...

Power Apps Developer Duration: Until end of November 2026 Location: Remote working with occasional travel to the West Midlands (Candidates must be UK based) Rate: £440.00 per day - Outside IR35 Our leading manufacturing client in the West Midlands is partway through a data platform programme consolidating a large number of source systems into a modern Lakehouse built on Microsoft Fabric. The programme now needs a dedicated Power Apps Developer to design and build an operations and administration application - a "warehouse manager" Front End. You will own the build of a Power Apps-based administration tool sitting over the Fabric data platform. An outline specification/framework will be provided by the client's technical lead, but the successful candidate will be expected to shape the detail, make sensible design decisions independently, and deliver at pace with minimal hand-holding. Essential Skills & Experience Power Apps expertise: Strong, demonstrable...

Senior .NET Developer | Gambling / Real-Time Systems | Remote | 6 months | £500-£600/day I'm working with a rapidly scaling and fast moving gambling / betting company who need multiple .NET contractors with real pedigree to help power their expansion into new markets. You'll be working on high-throughput backend systems - SignalR, real-time odds feeds, KYC and casino aggregator integrations - building out infrastructure that can be spun up in new jurisdictions with minimal effort. There's also an internal admin tool that needs deploying to new entity and, depending on your full-stack chops, potentially rebuilding from scratch. Currently on .NET 9, heading to .NET 11. They want someone who knows how to leverage AI tooling properly and can hit the ground running in a lean, fast-moving team. Hosted in their Azure cloud. Typescript stuff on Frontend. Their mobile apps are all fully React Native. Gambling or fintech background is a strong plus. Proactive,...

Senior Test Analyst (API & Integration Testing) – Contract Location: Milton Keynes (2-3 days onsite per week) Rate: £390-£400 per day Contract: Outside IR35 The Role Our customer, a leading automotive organisation, is seeking a Senior Test Analyst to support a major transformation programme involving system integrations, API-driven applications, and data migration activities. Working closely with business stakeholders, developers, and project teams, you will be responsible for ensuring the quality and reliability of business-critical systems through comprehensive testing across multiple platforms and integrations. Essential Experience Strong commercial experience in API, Integration, and Manual Testing Hands-on experience with Postman Experience testing complex system integrations and interfaces Data Migration testing experience, including data validation and reconciliation Experience creating and executing test plans, test cases, and test scripts...

Software Test Engineer / Lead – Outside IR35   My client is the fastest growing technology company who is seeking a Software Test Engineer / Lead for an initial 12-month contract. As a Software Test Engineer / Lead you should have experience with both Manual and Automated Testing, Regression Testing or Performance Testing. As a team player you will be liaising with other multi-functional testers and software designer / developers to understand the business requirements and product functionality, You will be involved in software test spec, manual test cases, automated test scripts and performance testing solutions that will need to be implemented throughout the delivery pipeline. Involvement in production and maintenance of system testing and systems integration of hardware and software components through to resolution of all faults found in the software. You will ideally be degree educated in an engineering or science subject, with a good IT content and ISTQB® certification is...

C++ Developer - Remote UK - £400/day Outside IR35 | C++ | MS SQL | .NET | Memory Management | Templates | Concurrency Models | Performance‑critical programming We’re looking for Senior C++ Developers to join a client of mine and support the ongoing evolution of a large‑scale platform transformation . You’ll be part of a collaborative engineering team delivering modern, scalable SaaS solutions within a complex, business‑critical environment. This role offers the opportunity to influence the technical direction of a major SaaS transformation programme , modernising long‑standing legacy capabilities while delivering new platform functionality. As a Senior C++ Developer on the project, you’ll work end‑to‑end on mission‑critical applications , building high‑performance solutions using C++ and .NET , with a strong focus on memory management, templates, concurrency models, and system performance . You’ll contribute to the design and development of core platform...