1 to 25 of 28 Contract API Integration Jobs in England

Integration Developer (SC Cleared)

Hiring Organisation
GCS
Location
Exeter, Devon, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £800/day
System Integration Developer | SSIS | APIs | C#/.NET | SC Cleared We are looking for an experienced System Integration Developer/Engineer to join a client project requiring strong, recent hands-on experience delivering system integrations using SSIS and APIs . The successful candidate will have a proven background … system integration projects , with their recent experience clearly demonstrating practical use of SQL Server Integration Services (SSIS) and API integrations , alongside exposure to C# and/or .NET technologies . Key Responsibilities Design, develop and deliver system integration solutions Build and maintain integrations using SSIS ...

Integration Developer

Hiring Organisation
GCS
Location
Enfield, London, Enfield Town, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Integration Developer (Active SC Clearance Required) Location: Remote/Enfield UK Duration: 12 Months Initial Contract (Extension Likely) Security Clearance: Active SC Clearance Mandatory Start Date: ASAP The Role We're recruiting for an experienced Integration Developer to join a leading UK organisation delivering critical data and system … integration initiatives. This role will focus on designing, developing, and supporting enterprise integration solutions that enable secure and reliable data exchange between business-critical systems. You will work closely with technical teams, business stakeholders, and third-party suppliers to build robust, scalable integrations across the Microsoft Azure ecosystem. ...

Oracle Cloud Integration Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Role: Oracle Cloud Integration Developer Duration: 6 Months Location: UK Remote Day Rate: £600 - £700 Inside IR35 Active SC clearance required due to project restrictions Overview We are seeking an experienced Oracle Integration Cloud (OIC) Developer to join a team delivering enterprise integration solutions. You will … across business-critical systems. This role is ideal for a developer with strong OIC experience and a proven track record of delivering secure, scalable integration solutions. OIC is Oracle's dedicated integration platform for application connectivity, APIs and data transformation. Role Responsibilities Design, develop and maintain integrations using ...

CRM Data Engineer

Hiring Organisation
Experis
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day
integrating and migrating customer data across a complex landscape of interconnected systems. You will be responsible for analysing customer data across multiple platforms, identifying integration and synchronisation issues, implementing data quality and cleansing processes, and developing robust Oracle-based solutions to support business-critical CRM processes. Working closely with … both technical and business stakeholders, you will design and implement data migration and integration solutions, ensuring data integrity, quality and consistency throughout the customer lifecycle. This role requires a strong blend of Oracle development, systems analysis, data migration and API integration expertise, alongside the ability to communicate ...

CMDB Application Developer & Reporting Specialist

Hiring Organisation
Sanderson Government and Defence
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract
service improvement through analytic and automation. Essential Skills & Experience 3+ year's application development experience. Strong database design and SQL knowledge. Experience with REST API integration and data modelling. Dashboard, reporting and KPI development experience. Knowledge of CMDB, ITIL and Configuration Management processes. Experience working within enterprise-scale … AppSheet, Apps Script, BigQuery and Looker Studio. Microsoft Power Platform and Power BI. Remedy CMDB or ServiceNow CMDB. Python and JavaScript. ETL and data integration technologies. Asset Management, Service Mapping and Data Governance experience. Ideal Background Defence, Government or highly regulated environments. Digital Workplace and enterprise infrastructure programmes. Large ...

DevOps Engineer - Python Specialist

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £640/day
systems, APIs, microservices & automation * Go/Golang development experience * AWS - EC2, S3, IAM, CloudWatch & Lambda * AWS SDKs - boto3/aws-sdk-go-v2 * Kubernetes API integration & automation * HashiCorp Vault and secrets management * LDAP/Active Directory integration * CI/CD pipelines and Git * Python testing - pytest, unittest … mocking * Strong automation and API development experience Candidates must hold active SC clearance and meet the required single-nationality criteria . The role is also subject to additional vetting, which may result in a longer-than-usual onboarding process. If this role is of interest, apply now or email ...

AI Engineer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Annual
service, focusing on AI components. Design and implement transcription workflows for uploaded audio files. Develop anonymisation and redaction capabilities aligned with publication requirements. AI Integration & Capabilities Support the transcript summarisation proof of value (PoV). Enable reuse of existing summarisation capabilities through API-based integration. Work with internal … API platforms to expose and consume AI capabilities. AI Engineering Practices Strengthen AI pipeline patterns including: Extract - Chunk - Prompt - Evaluate workflows Integrate evaluation mechanisms and Responsible AI controls into AI features. Contribute to the safe and structured use of AI coding assistants within the development life cycle. DevSecOps & Operational ...

RPA Developer - UiPath

Hiring Organisation
Robert Half Limited
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract
solutions with UiPath . Excellent understanding of RPA development best practices and software development lifecycle. Experience with UiPath Studio, Orchestrator and REFramework. Knowledge of API integrations and web services. Experience working with SQL databases. Strong debugging and problem-solving skills. Excellent communication and stakeholder engagement skills. Experience working within ...

Network Architect - Data Centre/Automation

Hiring Organisation
Flint UK Technology Services
Location
Birmingham, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
aligns with defined architecture, standards and governance controls. Support pre-change and post-change validation, ensuring automation outputs meet expected outcomes. Troubleshoot automation pipelines, integration issues and network behaviours during delivery. Contribute to continuous improvement of automation tooling, pipelines and delivery processes. This is a hands-on engineering role … VXLAN and multi-site EVPN architecture, including live production migration design and rollback within constrained change windows. Python for production-quality automation and REST API integration (eg NDFC, ServiceNow, Infoblox, Red Hat AAP, Sentinel, Vault), including use of Python data structures to model intent and state. YAML data ...

UiPath Senior RPA Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £416/day
integrations Experience supporting and troubleshooting live production environments Ability to communicate effectively with both technical and non technical stakeholders Desirable Experience UiPath Automation Cloud API integrations Citrix automation Azure DevOps/CI-CD pipelines Generative AI or AI enabled automation solutions Financial Services or Banking sector experience Agile delivery ...

Mobile iOS Developer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350/day £350 per day inside IR35
good understanding of native iOS frameworks, components and application development. Xcode - confident using Xcode throughout the development, debugging and build lifecycle. REST API Integration - experience integrating iOS applications with RESTful services and handling API responses/data. Strong understanding of mobile application development principles … developer. They should be particularly strong in Swift and able to demonstrate recent commercial development experience across SwiftUI, UIKit, Xcode and REST API integrations. iOS Developer | Swift Developer | Mobile Developer | Swift | SwiftUI | UIKit | Xcode | iOS SDK | REST API What you'll get in return Flexible working options available. ...

Virtualisation Engineer - vSphere, NSX, VCF

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Corsham, Wiltshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £675/day
Cloud Foundation (VCF) and Software-Defined Data Centre (SDDC) platforms within secure environments. The role covers the full infrastructure lifecycle, including platform deployment, automation, integration, upgrades, testing and operational handover. Key Responsibilities Design, build, configure and maintain VMware Cloud Foundation (VCF) platforms. Implement and support VMware vSphere, ESXi, vCenter … vSAN, VCF Operations, VPC and VKS. Develop Infrastructure as Code (IaC) and automated deployments using Terraform, PowerCLI, Ansible or SaltStack. Build API-driven automation for provisioning, configuration and lifecycle management. Manage VMware platform upgrades, patching, scaling and performance. Integrate virtualisation infrastructure with networking, DNS, identity services and CI/ ...

Virtualisation Engineer - vSphere, NSX, VCF

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £565/day
Cloud Foundation (VCF) and Software-Defined Data Centre (SDDC) platforms within secure environments. The role covers the full infrastructure lifecycle, including platform deployment, automation, integration, upgrades, testing and operational handover. Key Responsibilities Design, build, configure and maintain VMware Cloud Foundation (VCF) platforms. Implement and support VMware vSphere, ESXi, vCenter … vSAN, VCF Operations, VPC and VKS. Develop Infrastructure as Code (IaC) and automated deployments using Terraform, PowerCLI, Ansible or SaltStack. Build API-driven automation for provisioning, configuration and lifecycle management. Manage VMware platform upgrades, patching, scaling and performance. Integrate virtualisation infrastructure with networking, DNS, identity services and CI/ ...

IdAM Application Developer

Hiring Organisation
Guidant Global
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
Operations Prometheus Stack Loki Log Aggregation Identity & Access Management Keycloak Red Hat Single Sign-On (RH-SSO) OpenID Connect (OIDC) Identity Federation technologies Data & Integration Technologies Apache NiFi API development and integration patterns What You'll Bring A passion for building reliable, scalable, and secure applications. ...

Senior DevOps / Automation Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£65 - £70/hour
YAML: Structured, maintainable automation definitions. Git: Version control, branching, code reviews and release practices. Grafana: Dashboard development and metrics interpretation. Secrets management: HashiCorp Vault integration and automation. Artefact management: Nexus Repository or an equivalent artefact repository. You should be comfortable engineering automation for complex enterprise environments, with a strong … workflow tooling such as IBM z/OSMF or Zowe CLI. Enterprise workload scheduling, including IWS patterns. Configuration drift management and automated remediation. API integration and infrastructure-as-code governance. Observability exporters and metrics pipelines. Regulated financial services environments. What We're Looking For You will ...

Senior DevOps / Automation Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £570/day
strategic automation and DevOps modernisation programme across IBM Z and distributed platforms. This role will design and engineer production grade automation, CI/CD integration, compliance verification, observability pipelines, and secure orchestration capabilities across a global estate. You will work across Python, PostgreSQL, Git based workflows, Jenkins pipelines, Ansible … patterns. Integrate automation across distributed and IBM Z platforms (including z/OS job execution patterns where relevant). CI/CD & DevOps Toolchain Integration: Build and maintain pipelines in GitHub and Jenkins (including Groovy-based pipeline development). Support Git based workflow design (branching strategy, pull requests, code ...

Senior DevOps/Automation Engineer - Ansible

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £480/day
strategic automation and DevOps modernisation programme across IBM Z and distributed platforms. This role will design and engineer production grade automation, CI/CD integration, compliance verification, observability pipelines, and secure orchestration capabilities across a global estate. You will work across Python, PostgreSQL, Git based workflows, Jenkins pipelines, Ansible … platforms (including z/OS job execution patterns where relevant). Implement failure handling, retry logic and operational guardrails. CI/CD & DevOps Toolchain Integration Build and maintain pipelines in GitHub and Jenkins (including Groovy-based pipeline development). Embed automated compliance checks and quality gates. Integrate artefact management ...

Contract Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Guildford, Surrey, United Kingdom
Employment Type
Contract
frontend user interfaces. Desirable Skills Vue.js experience would be particularly advantageous as this is the framework being used. Microsoft Azure/SaaS application experience. API development and integration. Experience modernising or enhancing mature .NET applications. This contract would suit an experienced, pragmatic Full Stack Developer who enjoys solving problems ...

Senior DevOps Automation Engineer

Hiring Organisation
Anson Mccade
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Automation Platform (AAP) experience. Expertise with Jenkins, GitHub and CI/CD pipeline development. Strong Python engineering capability. Experience with HashiCorp Vault, Nexus and API integrations. Proven technical leadership and mentoring experience. Experience working within highly regulated enterprise environments. Exposure to IBM Z environments, z/OSMF or zOAU ...

Cyber Data Engineer

Hiring Organisation
Robert Walters
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £700 per day + Outside IR35
teams, GRC, Metric Owners, Insight Leads, and governance forums. Maintain traceable records of assurance evidence, decisions, limitations, and risk acceptances. Review discovery outputs and API integration documents for ownership, data lineage, completeness, security, and assurance needs. Establish practical acceptance criteria and evidence requirements for onboarding milestones and Jira ...

Python Developer

Hiring Organisation
83zero Limited
Location
North London, London, United Kingdom
Employment Type
Contract
Contract Rate
£580 - £581 per day
users when packet captures are completed. Configure and optimise TShark commands, packet capture filters and network traffic collection processes . Troubleshoot backend application issues, API integrations and network capture functionality. Collaborate with developers, network engineers and technical stakeholders to understand requirements and deliver scalable solutions. Support additional Python development ...

Senior Data Engineer

Hiring Organisation
Morson Edge
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - 62.40 per hour
IR35. What you will do as a Senior Data Engineer Design, build and maintain secure, scalable data solutions across the full lifecycle, including acquisition, integration, storage, processing and analysis. Develop and maintain data ingestion and transformation pipelines using Apache NiFi, Python and SQL. Design data models, schemas and data … contracts/Interface Control Documents (ICDs) to support reliable integration between systems. Integrate data from REST APIs and other source systems, working with Parquet and S3-compatible object storage. Implement data validation, assurance, metadata management and traceability to ensure data is accurate, complete and fit for purpose. Develop tools ...

Interim Digital Business Analyst

Hiring Organisation
Rise Technical Recruitment
Location
Leicester, Leicestershire, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £500/day Outside IR35, ASAP Start
Experienced in breaking down complex requirements and supporting developers and QA through delivery. Ecommerce experience desirable, particularly B2B accounts, pricing, checkout, order management or API integrations. Available immediately or at short notice, with the ability to attend Wigston three days per week. Rise Technical Recruitment Ltd acts an employment ...

Strategic Partnership Development Manager

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£54 - £61/hour
Business Development and complex contract negotiations within the payments and fintech ecosystem. Deep industry knowledge across Open Banking/A2A, tokenization, card schemes, and API integration protocols. Proven track record navigating non-standard, multi-party deals involving regulatory risk, co-marketing commitments, and joint technical roadmaps. Experience from ...

Quality Engineer - Mobile Applications

Hiring Organisation
Square One Resources
Location
Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP 250 - 270 Daily
early identification of quality issues. You will work closely with developers, product owners and stakeholders throughout the software development life cycle, contributing to mobile, API and end-to-end test automation while promoting shared ownership of product quality. Key Responsibilities Collaborate with engineers, product owners and stakeholders to define … APIs and end-to-end customer journeys. Integrate automated testing into CI/CD pipelines to support fast feedback and reliable releases. Conduct exploratory, integration, regression, compatibility and usability testing across devices, operating systems and environments. Validate API integrations, data flows, error handling and third-party dependencies. Investigate ...