1 to 25 of 28 API Integration Jobs in the South East

Senior Java full stack developer / Tech Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum
hands-on experience with React js , Redux (or similar state management libraries). Solid understanding of HTML5, CSS3, JavaScript (ES6+) . Experience with RESTful API design and integration. Familiarity with databases such as MySQL, PostgreSQL, or MongoDB. Experience with version control systems like Git. Strong understanding of object-oriented ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
help build their business. Role Theyre looking for aJava Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts, and designers …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

Network Automation Engineer (telecoms/ network)

Hiring Organisation
Talent Locker
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
using GitLab. Support deployment of containerised applications on Red Hat OpenShift. Learn and use Python, YAML, and Jinja templates for automation tasks. Assist with API integration and monitoring using API Management platforms. Help maintain documentation for automation processes. Work with teams to ensure smooth project delivery … Familiar with Python, YAML, JSON, CI/CD, and Git. Willing to learn automation platforms (Itential IAP, Cisco NSO). Understanding of WAF and API security basics. Strong problem-solving, communication, and documentation skills. To apply or find out more information on the role please send your ...

Contract Front End Engineer - SC Cleared

Hiring Organisation
NSD
Location
Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650 per day
similar web servers/reverse proxies Docker, Kubernetes, or Podman AWS, Azure, or Google Cloud Bash or PowerShell scripting Understanding of databases and API integrations Experience within defence or secure environments ...

Senior Systems Analyst

Hiring Organisation
Ideal Personnel & Recruitment Solutions Limited
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
analysis within an ERP centric environment. Hands on experience with enterprise resource planning systems Relational database experience e.g. writing queries, and performance tuning. Systems integration, API’s and data flows between enterprise platforms. Communication and stakeholder engagement skills with a customer driven approach. The ability to document requirements … supply chain or product distribution. Experience with Crystal Reports, Sage Enterprise Intelligence or similar reporting tools. Knowledge and experience of working with web services, API integrations, or system automation. Familiarity with Magento, Shopify, or other B2B ecommerce platforms. Microsoft SQL Experience. Due to the large number of responses ...

Senior Android Developer Kotlin / Mobile Applications

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Android applications using Kotlin and Java Build scalable architectures using MVVM or Clean Architecture Integrate Google Fit/Android Health APIs Implement robust REST API integrations Develop data workflows supporting mobile, device and cloud interactions Implement unit testing and automated UI testing frameworks Contribute to code reviews and architecture ...

Power Platform Developer

Hiring Organisation
Context Recruitment Limited
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Confidence with Power BI for basic reporting and visualisation. Desirable: Knowledge of JavaScript or Python. Experience with SQL or other database environments. Exposure to API integrations or automation workflows. Must be eligible to work in the UK. Paying up to £55,000, depending on experience. Hybrid - 3 days ...

Mainframe System Automation Engineer - Finance - Nottingham

Hiring Organisation
Salt
Location
Slough, Berkshire, UK
Employment Type
Full-time
Dash for CA7 administration BMC AMI Ops Automation BMC Control-M Output Management Splunk dashboard and alert development SAS knowledge Windows Server administration REST API integration Familiarity with ServiceNow and ITIL processes Knowledge of CA7 operations and Control-M scheduling Basic web development skills File transfer protocols ...

Mainframe System Automation Engineer - Finance - Nottingham

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £700 per day
Dash for CA7 administration BMC AMI Ops Automation BMC Control-M Output Management Splunk dashboard and alert development SAS knowledge Windows Server administration REST API integration Familiarity with ServiceNow and ITIL processes Knowledge of CA7 operations and Control-M scheduling Basic web development skills File transfer protocols ...

Senior Front End Engineer React & React Native

Hiring Organisation
EFCI Group Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
just requirements. React & React Native Mastery: 5+ years of production-grade experience, with a deep understanding of state management (Zustand/Redux) and API integration. AI Enthusiast: You are already using LLMs to drive your productivity and are excited about evolving engineering workflows through AI. Product Mindset ...

IOS Technical Lead

Hiring Organisation
Salt
Location
Crawley, England, United Kingdom
platform Define and evolve mobile architecture (MVVM, Clean Architecture, etc.) Drive best practices across engineering including TDD, CI/CD, and code quality Oversee API integrations (REST/GraphQL) and ensure performance optimisation Collaborate with cross-functional teams across product, backend, and DevOps Mentor and lead distributed/offshore … Lead or Senior Engineer with architectural ownership Deep understanding of modern mobile architecture patterns Experience building scalable, high-performance mobile applications Strong knowledge of API integration (REST; GraphQL is a plus) Experience with modern development practices (CI/CD, TDD, secure coding) Familiarity with reactive programming (Combine, async ...

Azure Cloud Architect (EUC)

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
basis, with occasional office visits to London when required. Skills & experience needed: Strong hands-on expertise in Microsoft Azure across networking, compute, storage, and integration services Skilled in designing secure Azure network architectures: VNets, ExpressRoute/VPN, firewalls, load balancers, DNS, routing Experience delivering scalable compute solutions … sets, AKS, App Services, serverless patterns Proficient with Azure storage technologies: Blob, File, Disk , plus backup and DR/resilience patterns Deep knowledge of API integration, messaging, and event-driven architectures Advanced Identity & Access Management capability: Entra ID/Azure AD, RBAC, Conditional Access, Privileged Access Proven track ...

Umbraco Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
skills/Experience Solid understanding and experience working with Umbraco Strong understanding of .NET and REACT HEADLESS web architecture Solid experience managing digital platforms API integration's CMS upgrades Comfortable liaising with Senior Stakeholders If this role sounds of interest and you would like to know more ...

Lead Full Stack Developer

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
develop, and maintain high-quality software solutions across the full stack Architect and implement systems using .NET, JavaScript, SQL, and modern frontend frameworks Oversee API design and integrations, ensuring secure and efficient data exchange Translate business and stakeholder requirements into clear technical solutions Conduct code reviews and ensure adherence … ideally with experience in a technical lead role Strong proficiency in JavaScript, .NET (C#), and modern frontend frameworks Solid experience with SQL databases and API design and integration Demonstrated leadership ability with strong communication and organisational skills A proactive, problem-solving mindset with the ability to work independently ...

Integration Engineer - Cloverleaf

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
Integration Engineer - Cloverleaf, HL7, FHIR Up to £700pd inside IR35 London/Primarily Remote 3 months initially My client is seeking an experienced Integration Engineer to lead the design and development of clinical system integrations across a Cloverleaf platform. You'll act as the organisation's interoperability expert … ensuring HL7, FHIR and API integrations are secure, reliable, and support seamless clinical operations. Key Requirements: Proven experience as an Integration Engineer Strong expertise with HL7, FHIR, and API-based healthcare integrations. Hands-on experience with Infor Cloverleaf, including TCL scripting, routes, translators, and message mapping. Proven ...

T24 Systems Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£66,000 per annum
Position Summary:Technical expert with a strong experience in Temenos T24 core banking system, providing complete support related to the T24 operations, upgrade and integration with other IT systems.Key Responsibilities: Resolve problems related to the T24 daily operations, Improve T24 system functionality to support the bank's requirements better. … depth technical knowledge of the T24 system, including the latest releases R24, as well as modules AA, TPH, SC and RP. Experience participating in integration projects (including API integrations). Excellent understanding of T24 TAFJ running on MS SQL database. Excellent jBC development skills for T24. Understanding ...

Integration Specialist - SAP & Boomi

Hiring Organisation
Henderson Scott
Location
Chichester, West Sussex, UK
Employment Type
Full-time
Integration Specialist - SAP & Boomi We are looking for a skilled and motivated Integration Specialist to join our growing IS team. This is an exciting opportunity for someone who enjoys solving complex technical challenges and working at the intersection of legacy and modern systems. What You'll Do Design … maintain EDI and API integrations across SAP and Boomi platforms Translate business requirements into clear technical solutions and system designs Troubleshoot and resolve complex system issues across L1-L3 support levels Support SAP migration projects, ensuring seamless integration with legacy systems Collaborate with cross-functional teams ...

Integration Specialist - SAP & Boomi

Hiring Organisation
Henderson Scott
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £325 per day
Integration Specialist - SAP & Boomi We are looking for a skilled and motivated Integration Specialist to join our growing IS team. This is an exciting opportunity for someone who enjoys solving complex technical challenges and working at the intersection of legacy and modern systems. What You'll Do Design … maintain EDI and API integrations across SAP and Boomi platforms Translate business requirements into clear technical solutions and system designs Troubleshoot and resolve complex system issues across L1-L3 support levels Support SAP migration projects, ensuring seamless integration with legacy systems Collaborate with cross-functional teams ...

Senior iOS Developer Swift / Mobile Applications

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
integrates mobile apps, health data and cloud services. This is an opportunity to work on a product that combines modern iOS engineering, health data integration and scalable mobile architecture, helping shape the future of a growing digital health ecosystem. The Role As a Senior iOS Developer you will lead … using Swift and SwiftUI Build scalable mobile architectures using modern iOS design patterns Integrate Apple HealthKit and health-related data sources Implement robust REST API integrations Develop unit tests and automated UI testing frameworks (XCTest) Contribute to code reviews and architecture discussions Collaborate with product, UX and engineering teams ...

Integrations Developer (Full Stack)

Hiring Organisation
Connecting Education
Location
Bracknell, England, United Kingdom
expertise will help shape how we use technology to power our digital platforms and applications. What You’ll Be Doing Design, develop, and maintain API integrations and related systems (inbound/outbound). Build and enhance web interfaces using modern frameworks. Translate business requirements into clear, actionable development tasks. … developer, with strong technical foundations. 2+ years’ experience writing unit tests during development. Proven expertise in .NET Core 9+, SQL 2022, MVC, C#, and API management. Working knowledge of Angular 16+ (or strong willingness to learn). Strong problem-solving mindset, with an analytical and detail-oriented approach. Exceptional ...

T24 Developer - Transact

Hiring Organisation
Hireful
Location
South East England, UK
/Transact product you will be responsible for enhancing T24 system functionality to meet the bank's needs, including updates, patch installations, and integration with other IT systems. Lead software development from design to delivery, including coding, code review, and unit testing. Monitor T24 system performance and security, analyze … system, including the latest releases R23 and R24, as well as modules AA, TPH and TDH. Experience participating in T24 upgrade and integration projects (including API integrations). Excellent understanding of T24 TAFJ running on MS SQL database. Understanding the challenges of upgrading T24 from the TAFC/ ...

Boomi Integration Specialist

Hiring Organisation
Proactive Appointments
Location
Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP 340 - 400 Daily
Month contract - Expected to last long term Inside IR35 Hybrid - 2 Days p/w onsite in Crawley Integration Specialist We are looking for an experienced and motivated Integration Specialist to join the team. This role focuses on connecting Legacy systems with modern platforms as part …/4HANA migration project. Key Responsibilities Design, map, and maintain EDI and API integrations (Boomi, SAP, TSIM) Translate business needs into technical solutions Investigate and resolve complex system issues (logistics & finance) Support applications across L1-L3 levels and ensure system uptime Work closely with project teams, stakeholders, and partners ...

Integration Specialist

Hiring Organisation
Proactive Appointments
Location
Crawley, West Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£340 per day
Month contract - Expected to last long term £342/Day, Inside IR35 Hybrid - 2 Days p/w onsite in Crawley Integration Specialist We are looking for an experienced and motivated Integration Specialist to join the team. This role focuses on connecting legacy systems with modern platforms … part of an SAP S/4HANA migration project. Key Responsibilities Design, map, and maintain EDI and API integrations (Boomi, SAP, TSIM) Translate business needs into technical solutions Investigate and resolve complex system issues (logistics & finance) Support applications across L1–L3 levels and ensure system uptime Work closely with ...

Marketing Technology Executive

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
power a range of inbound and outbound channels. Responsibilities include: * Managing and enhancing product and stock data feeds across multiple platforms. * Supporting the integration and maintenance of real-time data pipelines using modern cloud technologies. * Ensuring the correct product attributes and data points surface in marketing activity and reporting. … with technical and non-technical stakeholders. * Comfortable working in a hands-on, problem-solving role within a data-driven marketing environment. * An understanding of API integrations and data flow management is beneficial. HOW TO APPLY: Apply by sending your CV to Joe by the link below ...