22 of 22 Permanent API Integration Jobs in the South East

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 ...

Data Engineer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
modern cloud environment. Strong expertise in Azure data services (ADLS, Azure Data Factory, Microsoft Fabric). Proficient in SQL and data modelling. Experience with API integration and SFTP data feeds. Excellent communication skills for engaging non-technical stakeholders. Desirable Background in financial services or fintech. Familiarity with Power ...

Senior Data Engineer

Hiring Organisation
Cobalt Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
large datasets from internal and external sources. Architect and optimise ETL/ELT workflows using AWS, SQL, Python, and modern cloud-based technologies. Manage API integrations and automate data ingestion, transformation, and enrichment processes. Improve data platform performance, reliability, and scalability across the organisation. Develop analytical tools and dashboards ...

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 ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
evaluation and monitoring frameworks. Responsibilities: Build and operate AI-powered products that deliver measurable outcomes. Develop production-ready AI agents on GCP, including secure API integrations. Integrate agent capabilities into applications using MCP servers and supporting tools. Develop reliable RAG pipelines, including ingestion, chunking, metadata and vector search. Required ...

Junior Data Engineer

Hiring Organisation
Cobalt Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
data pipelines, managing large data sets from internal and external sources. * Develop and optimise ETL processes using AWS, SQL, and modern cloud technologies. * Manage API integrations and automate data ingestion and transformation workflows. * Improve infrastructure scalability, performance, and data delivery processes. * Develop analytical tools and dashboards (e.g., Tableau ...

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 ...

Digital Experience and Web Development Executive

Hiring Organisation
Constant Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £38,000 per annum
working autonomously with real ownership Desirable Adobe Creative Suite (Photoshop, Illustrator, InDesign) Experience with AI creative tools Paid media exposure (Meta/Google Ads) API integration experience Basic graphic design capability Photography or video experience The Type of Person Who Will Succeed This role would suit someone ...

Frontend Engineer

Hiring Organisation
MFK Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
performance. Take ownership of the frontend codebase, defining architecture, component structure, and engineering standards. Work closely with backend and data teams to create clean API integrations and iterate on UX based on customer feedback. Make pragmatic decisions that ship working software quickly, while keeping long-term maintainability in mind. ...

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 ...

iOS Technical Lead - Inside IR35 - Crawley (hybrid)

Hiring Organisation
Salt
Location
Chichester, West Sussex, UK
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 ...

Graduate Data Analyst - Remote - Data / Analytics - Must have a STEM degree - Strong Excel..

Hiring Organisation
The Workplace Consultancy
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £30,000 per annum
doing: Quality-checking and validating lead data across multiple sources Setting up and launching campaigns using data validation systems (training provided) Supporting API integrations and campaign operations Analysing campaign performance, response rates, and data segments Ensuring a consistently high level of service for global clients What we’re looking ...

Graduate Campaign Analyst - STEM Graduate - Data led Marketing...

Hiring Organisation
The Workplace Consultancy
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £30,000 per annum
doing: Quality-checking and validating lead data across multiple sources Setting up and launching campaigns using data validation systems (training provided) Supporting API integrations and campaign operations Analysing campaign performance, response rates, and data segments Ensuring a consistently high level of service for global clients What we’re looking ...

Sales Director. Enterprise Sales Leader

Hiring Organisation
Jam Management Consultancy ltd
Location
Bracknell, Bracknell Forest, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£190000 - £220000/annum
SaaS/CCaaS/UCaaS agreements • Drive complex cloud platform sales including: – Omnichannel Contact Centre – AI-driven CX solutions – Voice, video & collaboration platforms – API integrations & CRM ecosystem alignment (Salesforce, Microsoft etc.) • Navigate CIO, CTO, Security, Procurement & Compliance stakeholders • Instil pipeline discipline and forecasting accuracy • Lead, develop and calibrate senior ...

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 ...

Data Engineer

Hiring Organisation
Hays
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
managers' data. * Analytics relating to occupancy data - and trends within this * Functional and operational data - to analyse differences between sites * Creating bespoke reports and API integrations What you'll need to succeed Skills Someone analytical and mathematical who can help the business better understand its data - making the numbers … able to talk to the relevant technical & non-technical stakeholders within the business and advise on recommendations. * SQL Development * Bespoke reporting - HTML, Python * Establishing API links to Data * Someone with API Dog and Notion Platform experience * Data mining Azure SQL What you'll get in return Hybrid Working ...

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/ ...

IT Assistant

Hiring Organisation
Trinity Resource Solutions
Location
SL7 1AA, Marlow, Buckinghamshire, United Kingdom
Employment Type
Permanent
developed role designed for someone who enjoys a hybrid of high-quality technical support and cutting-edge project work, including AI adoption, PowerBI, and API integrations. The Role Working across the firm’s regional office network, you will be a visible, "hands-on" presence. You will support a high … Assist in the roll-out of AI solutions and help build PowerBI reports to unlock the value of the firm's data sets. System Integration: Become an "Advanced Administrator" in industry-specific software and explore API usage to build seamless system integrations. Training & Education: Lead IT inductions ...