API Integration Jobs in London

176 to 200 of 593 API Integration Jobs in London

Web Developer

London, England, United Kingdom
Global Relay
part of an cross-functional and geo-located team to maintain & implement new features of the corporate and information service websites Write unit and integration tests for your code Collaborate with UI & interaction designers to translate mock-ups into a functioning web application that is accessible and responsive with … using and awareness of Node task runners/pre-processors Awareness of coding standards and principles like dependency inversion (SOLID etc). Web Service API integration Experience with TDD environment (Test Driven development) Unit testing with PHP Unit and/or a JS test framework eg Mocha, Jasmine More ❯
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Intermediate PHP/Wordpress Web Developer

London, England, United Kingdom
GlobalRelay
part of an cross-functional and geo-located team to maintain & implement new features of the corporate and information service websites Write unit and integration tests for your code Collaborate with UI & interaction designers to translate mock-ups into a functioning web application that is accessible and responsive with … using and awareness of Node task runners/pre-processors Awareness of coding standards and principles like dependency inversion (SOLID etc). Web Service API integration Experience with TDD environment (Test Driven development) Unit testing with PHPUnit and/or a JS test framework eg Mocha, Jasmine/ More ❯
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Intermediate PHP/Wordpress Web Developer

London, England, United Kingdom
Hybrid / WFH Options
Global Relay
part of a cross-functional and geo-located team to maintain & implement new features of the corporate and information service websites Write unit and integration tests for your code Collaborate with UI & interaction designers to translate mock-ups into a functioning web application that is accessible and responsive with … using and awareness of Node task runners/pre-processors Awareness of coding standards and principles like dependency inversion (SOLID etc). Web Service API integration Experience with TDD environment (Test Driven development) Unit testing with PHPUnit and/or a JS test framework eg Mocha, Jasmine/ More ❯
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Javascript Developer

London Area, United Kingdom
Propel
well as SQL database, and AWS cloud services experience. Tech stack: - 7+ years of experience in Angular 2+ development, with a strong focus on API integration, particularly using Typescript - 5+ years of experience with HTML, CSS/SCSS and JavaScript - Advanced level capability with creating pixel-perfect web More ❯
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Javascript Developer

City of London, London, United Kingdom
Propel
well as SQL database, and AWS cloud services experience. Tech stack: - 7+ years of experience in Angular 2+ development, with a strong focus on API integration, particularly using Typescript - 5+ years of experience with HTML, CSS/SCSS and JavaScript - Advanced level capability with creating pixel-perfect web More ❯
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Javascript Developer

South East London, England, United Kingdom
Propel
well as SQL database, and AWS cloud services experience. Tech stack: - 7+ years of experience in Angular 2+ development, with a strong focus on API integration, particularly using Typescript - 5+ years of experience with HTML, CSS/SCSS and JavaScript - Advanced level capability with creating pixel-perfect web More ❯
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AWS Engineer

London, England, United Kingdom
JR United Kingdom
the transition of R-based data streams into more maintainable Python workflows. Your responsibilities will include: Building and maintaining ingestion pipelines using AWS Lambda, API Gateway, and Kinesis. Integrating third-party APIs into the data platform and transforming data for CRM delivery. Migrating R-based data streams into modern … monitoring. Supporting both BAU and new feature development within the data engineering function. KEY SKILLS AND REQUIREMENTS Proven experience with AWS services including Lambda, API Gateway, S3, Kinesis, and CloudWatch. Strong programming ability in Python and data transformation skills using SQL and DBT. Experience with Airflow for orchestration and … scheduling. Familiarity with third-party API integration and scalable data delivery methods. Excellent communication and the ability to work in a collaborative, agile environment. HOW TO APPLY Please register your interest by sending your CV via the apply link on this page. #J-18808-Ljbffr More ❯
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AWS Engineer

London, England, United Kingdom
Hybrid / WFH Options
Harnham
the transition of R-based data streams into more maintainable Python workflows. Your responsibilities will include: Building and maintaining ingestion pipelines using AWS Lambda, API Gateway, and Kinesis. Integrating third-party APIs into the data platform and transforming data for CRM delivery. Migrating R-based data streams into modern … monitoring. Supporting both BAU and new feature development within the data engineering function. KEY SKILLS AND REQUIREMENTS Proven experience with AWS services including Lambda, API Gateway, S3, Kinesis, and CloudWatch. Strong programming ability in Python and data transformation skills using SQL and DBT. Experience with Airflow for orchestration and … scheduling. Familiarity with third-party API integration and scalable data delivery methods. Excellent communication and the ability to work in a collaborative, agile environment. HOW TO APPLY Please register your interest by sending your CV via the apply link on this page. More ❯
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Cloud Architect

City of London, London, United Kingdom
Hybrid / WFH Options
Anson McCade
Architect, AWS Solutions Architect) • Experience with modern platform engineering approaches • Knowledge of regulatory standards (PCI-DSS, Financial Services, etc.) • Background in infrastructure automation and API integration • Open Group Master Certified Architect or similar qualification Ready for a new challenge? Apply below or contact Declan Bryson at Anson McCade More ❯
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Cloud Architect

London Area, United Kingdom
Hybrid / WFH Options
Anson McCade
Architect, AWS Solutions Architect) • Experience with modern platform engineering approaches • Knowledge of regulatory standards (PCI-DSS, Financial Services, etc.) • Background in infrastructure automation and API integration • Open Group Master Certified Architect or similar qualification Ready for a new challenge? Apply below or contact Declan Bryson at Anson McCade More ❯
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Junior Backend Software Engineer – London (Russell Group Grads)

City of London, London, United Kingdom
Mayflower Recruitment Ltd
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 More ❯
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Junior Backend Software Engineer – London (Russell Group Grads)

London Area, United Kingdom
Mayflower Recruitment Ltd
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 More ❯
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Junior Backend Software Engineer – London (Russell Group Grads)

South East London, England, United Kingdom
Mayflower Recruitment Ltd
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 More ❯
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988288 – Creative Technologist

London, England, United Kingdom
Hybrid / WFH Options
Career Moves Group
years in web development, and a strong understanding of emerging technologies Proficiency in Tech Stack (GCP, Analytics, AppEngine), AI/ML, Python, and API integration is desired. #J-18808-Ljbffr More ❯
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Cloud Security Engineer

London, England, United Kingdom
Hybrid / WFH Options
Eviden Technology Services Limited
Key Vault management Azure Policy implementation Proficiency in: PowerShell scripting Infrastructure as Code (Terraform, ARM templates) Git and version control CI/CD pipelines API integration Security automation Implementation Experience Certifications: Microsoft Security Operations Analyst (SC-200), Microsoft Azure Security Engineer (AZ-500), Microsoft Identity and Access Administrator More ❯
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Frontend Web Developer

London, England, United Kingdom
JR United Kingdom
building scalable and maintainable user interfaces. Proven experience with modern frontend tooling and infrastructure, including Vercel , Clerk , and GitHub Actions . Strong understanding of API integration (REST, GraphQL) and state management patterns. Experience with data visualization libraries (e.g., D3.js, Chart.js) to represent complex model evaluation insights. Familiarity with More ❯
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Software Test Engineer

London, England, United Kingdom
SII Group UK
components to support simulation and parallel testing tasks. REQUIRED SKILLS AND EXPERIENCE: Proficient in Python (with focus on multi-threading, object-oriented development, and API integration). Experience building or maintaining test frameworks or automated test systems. Knowledge of hardware testing or simulation environments. Familiarity with MongoDB for More ❯
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Frontend Web Developer

London, England, United Kingdom
Ultralytics
building scalable and maintainable user interfaces. Proven experience with modern frontend tooling and infrastructure, including Vercel , Clerk , and GitHub Actions . Strong understanding of API integration (REST, GraphQL) and state management patterns. Experience with data visualization libraries (e.g., D3.js, Chart.js) to represent complex model evaluation insights. Familiarity with More ❯
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Senior AI Engineer

London, England, United Kingdom
Nume
production Valuable Additional Skills: Experience with goal-oriented and autonomous agent architectures Financial domain knowledge or fintech experience Experience with tool-using agents (MCP, API integration, data processing) Methods for agent monitoring, logging, and performance analysis Experience with model fine-tuning and evaluation for domain-specific applications Background More ❯
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JIRA Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Digital
Scrum/Kanban boards, filters, dashboards, and reports. Skilled in Jira upgrades and Atlassian suite management (installation, migration, upgrades, patching). Experience with Jira API integrations. What We're Looking For Excellent communication and collaboration skills. Ability to work independently and proactively identify areas for improvement. Strong attention to More ❯
Employment Type: Contract
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Head of Technology

London, United Kingdom
Hybrid / WFH Options
Telfer Digital Limited
to deliver exceptional digital products Build and lead a growing development function, both in-house and externally supported Tech Environment Backend : Node.js, scalable architecture, API integrations, Python (nice to have) Frameworks : Laravel and other modern backend systems Infrastructure : Cloud hosting environments (white-labelled), CDN, DNS, SFTP/FTP, deployment More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Consultant

London, England, United Kingdom
Appian UK
pair programming, stand-ups, planning, sprints). Basic understanding of object-oriented programming, relational databases, data modeling, and SQL. Knowledge of software testing practices, API integrations (REST, SOAP), JDBC, web services, and familiarity with AWS, AI, Analytics, ML, Google Cloud, and containerization (preferred). Basic Qualifications: At least More ❯
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Gen AI Engineer

London, England, United Kingdom
Legacy AI LLC
integrating with CRMs such as GHL, Salesforce etc. Expert Prompt Engineering: Crafting, testing, and refining prompts for optimal outputs from large language models. GenAI API Integrations: Hands-on work with APIs from leading GenAI providers (OpenAI, Claude, Gemini, etc.) to build robust, scalable solutions. RAG System Implementation: Designing and More ❯
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Data Science Manager

London, England, United Kingdom
Harnham
engineering, and model development pipelines. Build and maintain robust, scalable linear regression and statistical models for KPI forecasting. Drive improvements in internal tooling and API integrations. Collaborate closely with leadership, engineering, and the revenue team to translate business needs into data science solutions. Play a key role in product More ❯
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Back End Developer

London Area, United Kingdom
Techmunity
user-defined tools in the cloud (think Dockerised sandboxing, strict isolation, dynamic dependencies) Orchestration systems for real-time AI agents to execute complex workflows API integrations with external systems like CAD/CAE tools, simulations, or PLM software State tracking and event-driven architecture to support reliable, scalable automation More ❯
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API Integration
London
10th Percentile
£50,000
25th Percentile
£57,500
Median
£71,250
75th Percentile
£100,000
90th Percentile
£122,175