API Integration Jobs in the South East

51 to 75 of 183 API Integration Jobs in the South East

Systems Developer

London, South East, England, United Kingdom
Harrison Holgate
support the business. What You'll BringProven experience with Microsoft 365 and Power Platform (PowerApps, Power Automate, Dataverse).Strong SQL skills for querying, performance tuning, and data migration.Knowledge of API integrations, Azure DevOps, and Application Lifecycle Management.Excellent communication and stakeholder management skills. More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Technical Account Manager for Structured Products SaaS

london, south east england, united kingdom
LinkedTrade
Manager, you will serve as the primary technical liaison between LinkedTrade and our institutional clients. You’ll work closely with product, engineering, and sales teams to ensure seamless implementation, integration, and ongoing support of our SaaS solutions. We are seeking a highly motivated and experienced Technical Account Manager to join our team in London. The ideal candidate will have … a proven track record of supporting clients. This role presents an exciting opportunity to establish strategic relationships and contribute to the ongoing success of LinkedTrade. Key Responsibilities Client Onboarding & Integration: Lead technical onboarding for new clients, ensuring smooth API integration and platform adoption Account Management & Support: Serve as the day-to-day technical point of contact for More ❯
Posted:

Technical Account Manager for Structured Products SaaS

slough, south east england, united kingdom
LinkedTrade
Manager, you will serve as the primary technical liaison between LinkedTrade and our institutional clients. You’ll work closely with product, engineering, and sales teams to ensure seamless implementation, integration, and ongoing support of our SaaS solutions. We are seeking a highly motivated and experienced Technical Account Manager to join our team in London. The ideal candidate will have … a proven track record of supporting clients. This role presents an exciting opportunity to establish strategic relationships and contribute to the ongoing success of LinkedTrade. Key Responsibilities Client Onboarding & Integration: Lead technical onboarding for new clients, ensuring smooth API integration and platform adoption Account Management & Support: Serve as the day-to-day technical point of contact for More ❯
Posted:

Full Stack Engineer

Reading, Berkshire, UK
Hybrid / WFH Options
Project People
to join our client in Reading, working on a hybrid model. You'll be contributing to high-impact projects involving Azure cloud services, cross-platform mobile app development, and API integrations — all while staying on the edge of innovation with AI-assisted development. 🔍 What You'll Do: Develop new applications and enhance existing software in a Microsoft-centric environment … C# Database: MS SQL Server 2016+, T-SQL Cloud & DevOps: Microsoft Azure, Azure Functions, Logic Apps, Event Grid, Key Vault, CI/CD, Terraform, ARM Templates Mobile: .NET MAUI API: REST, SOAP Data & Integration: SSIS, SFTP AI & Automation: AI-assisted development (e.g. Vibe Coding), Azure AI services ✅ What We're Looking For: Proven experience in full stack development More ❯
Posted:

Full Stack Engineer

Reading, England, United Kingdom
Hybrid / WFH Options
Project People
to join our client in Reading, working on a hybrid model. You'll be contributing to high-impact projects involving Azure cloud services, cross-platform mobile app development, and API integrations — all while staying on the edge of innovation with AI-assisted development. 🔍 What You'll Do: Develop new applications and enhance existing software in a Microsoft-centric environment … C# Database: MS SQL Server 2016+, T-SQL Cloud & DevOps: Microsoft Azure, Azure Functions, Logic Apps, Event Grid, Key Vault, CI/CD, Terraform, ARM Templates Mobile: .NET MAUI API: REST, SOAP Data & Integration: SSIS, SFTP AI & Automation: AI-assisted development (e.g. Vibe Coding), Azure AI services ✅ What We're Looking For: Proven experience in full stack development More ❯
Posted:

Full Stack Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Project People
to join our client in Reading, working on a hybrid model. You'll be contributing to high-impact projects involving Azure cloud services, cross-platform mobile app development, and API integrations — all while staying on the edge of innovation with AI-assisted development. 🔍 What You'll Do: Develop new applications and enhance existing software in a Microsoft-centric environment … C# Database: MS SQL Server 2016+, T-SQL Cloud & DevOps: Microsoft Azure, Azure Functions, Logic Apps, Event Grid, Key Vault, CI/CD, Terraform, ARM Templates Mobile: .NET MAUI API: REST, SOAP Data & Integration: SSIS, SFTP AI & Automation: AI-assisted development (e.g. Vibe Coding), Azure AI services ✅ What We're Looking For: Proven experience in full stack development More ❯
Posted:

Junior / Mid-Level Software Engineer – London (1st Class Grads - 2 years exp)

London, South East, England, United Kingdom
Mayflower Recruitment Limited
it happen. Some of the technologies we use, and day-to-day tasks include developing with: Relational databases (PostgreSQL, MySQL, etc.) OpenSearch DynamoDB S3 Event-driven architectures Third-party API integration Access control and user permissions Implementing APIs used by single-page applications WebSockets Infrastructure as code (AWS CDK, Terraform, etc.) Docker AWS IoT What we’re looking More ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

Senior Generative AI Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Method Resourcing
GPT, Llama, Mistral), vector databases, and prompt engineering frameworks. Proven record of delivering measurable ROI from AI projects. Solid engineering fundamentals: version control, CI/CD for ML, observability, API integration, and cloud infrastructure (AWS/Azure/GCP). Confident communicator able to explain complex trade-offs to non-technical stakeholders. UK-based and available for two More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Customer Support Engineer - French Speaking

london, south east england, united kingdom
LexisNexis Risk Solutions
of software solutions that will allow some of the largest companies in the world do more business online testing and troubleshooting customer integrations, Desktop/Laptop and mobile fingerprinting, API Integrations Policies and rules, escalation and enforcement workflow design. Following prescribed software workflow and processes when addressing customer questions and ensuring that the Service continues to function normally through More ❯
Posted:

Customer Support Engineer - French Speaking

slough, south east england, united kingdom
LexisNexis Risk Solutions
of software solutions that will allow some of the largest companies in the world do more business online testing and troubleshooting customer integrations, Desktop/Laptop and mobile fingerprinting, API Integrations Policies and rules, escalation and enforcement workflow design. Following prescribed software workflow and processes when addressing customer questions and ensuring that the Service continues to function normally through More ❯
Posted:

Customer Support Engineer - French Speaking

london (city of london), south east england, united kingdom
LexisNexis Risk Solutions
of software solutions that will allow some of the largest companies in the world do more business online testing and troubleshooting customer integrations, Desktop/Laptop and mobile fingerprinting, API Integrations Policies and rules, escalation and enforcement workflow design. Following prescribed software workflow and processes when addressing customer questions and ensuring that the Service continues to function normally through More ❯
Posted:

Full Stack Software Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services for More ❯
Posted:

Full Stack Software Developer

london, south east england, united kingdom
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services for More ❯
Posted:

Full Stack Software Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services for More ❯
Posted:

Senior Frontend Developer

London, South East, England, United Kingdom
Oscar Technology
Rate: £350-450 p/day Start: ASAP Key Skills: Strong commercial experience with React and TypeScript . Experience deploying and managing applications in AWS . Strong understanding of API integration and data flow between backend and frontend. Solid grasp of SQL and data handling within the UI. Experience with testing frameworks (Jest, Cypress, React Testing Library). More ❯
Employment Type: Contractor
Rate: £350 - £450 per day
Posted:

OTM Application Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Addition+
Ocean, and Air modes. Main Skills Needed: Deep hands-on OTM experience (10+ years). Strong understanding of OTM data models, schema, and configuration best practices. Skilled in SQL, API integration, and performance optimisation. Proven track record delivering complex, multi-modal transport management solutions. Excellent problem-solving ability and communication skills. What’s in It for You: Join More ❯
Posted:

OTM Application Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Addition+
Ocean, and Air modes. Main Skills Needed: Deep hands-on OTM experience (10+ years). Strong understanding of OTM data models, schema, and configuration best practices. Skilled in SQL, API integration, and performance optimisation. Proven track record delivering complex, multi-modal transport management solutions. Excellent problem-solving ability and communication skills. What’s in It for You: Join More ❯
Posted:

OTM Application Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Addition+
Ocean, and Air modes. Main Skills Needed: Deep hands-on OTM experience (10+ years). Strong understanding of OTM data models, schema, and configuration best practices. Skilled in SQL, API integration, and performance optimisation. Proven track record delivering complex, multi-modal transport management solutions. Excellent problem-solving ability and communication skills. What’s in It for You: Join More ❯
Posted:

Prompt Engineer / AI Engineer

london, south east england, united kingdom
Hybrid / WFH Options
NetBet
use in interacting with APIs and building applications. Collaborative Development: Experience using collaborative coding environments like Replit for rapid prototyping and team-based projects. Ideal Qualifications (Nice-to-Haves) API Integration: Practical experience integrating with third-party APIs and services within AI workflows. AI Frameworks: Familiarity with AI development frameworks such as LangChain or LangGraph. Vector Databases: Understanding More ❯
Posted:

Prompt Engineer / AI Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
NetBet
use in interacting with APIs and building applications. Collaborative Development: Experience using collaborative coding environments like Replit for rapid prototyping and team-based projects. Ideal Qualifications (Nice-to-Haves) API Integration: Practical experience integrating with third-party APIs and services within AI workflows. AI Frameworks: Familiarity with AI development frameworks such as LangChain or LangGraph. Vector Databases: Understanding More ❯
Posted:

Prompt Engineer / AI Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
NetBet
use in interacting with APIs and building applications. Collaborative Development: Experience using collaborative coding environments like Replit for rapid prototyping and team-based projects. Ideal Qualifications (Nice-to-Haves) API Integration: Practical experience integrating with third-party APIs and services within AI workflows. AI Frameworks: Familiarity with AI development frameworks such as LangChain or LangGraph. Vector Databases: Understanding More ❯
Posted:

Frontend Developer

london, south east england, united kingdom
develop
similar) Familiarity with GraphQL, Apollo Client, and Formik/Yup for form management Comfortable working within a micro-frontend architecture and modular codebase Solid understanding of authentication flows and API integrations Strong collaboration and communication skills within agile, cross-functional teams More ❯
Posted:

Frontend Developer

slough, south east england, united kingdom
develop
similar) Familiarity with GraphQL, Apollo Client, and Formik/Yup for form management Comfortable working within a micro-frontend architecture and modular codebase Solid understanding of authentication flows and API integrations Strong collaboration and communication skills within agile, cross-functional teams More ❯
Posted:

Frontend Developer

london (city of london), south east england, united kingdom
develop
similar) Familiarity with GraphQL, Apollo Client, and Formik/Yup for form management Comfortable working within a micro-frontend architecture and modular codebase Solid understanding of authentication flows and API integrations Strong collaboration and communication skills within agile, cross-functional teams More ❯
Posted:

Technical Solutions Consultant (AdTech)

London, South East, England, United Kingdom
US TECH SOLUTIONS LIMITED
for advertising product issues, implementations, and escalations Build expertise across performance marketing products, web integrations, and analytics tools Troubleshoot and resolve client issues related to pixels, catalogs, delivery, and API integrations Collaborate with product and engineering teams to escalate bugs and track resolution Translate complex technical concepts into clear, actionable guidance for non-technical stakeholders Help improve internal tools More ❯
Employment Type: Contractor
Rate: £41.00 - £45.00 per hour
Posted:
API Integration
the South East
10th Percentile
£23,500
25th Percentile
£48,750
Median
£67,500
75th Percentile
£83,750