26 to 50 of 323 API Integration Jobs in London

Software Engineering Senior Front End Developer - eSC or eDV Clearance Required Professional Mu[...]

Location
Greater London, England, United Kingdom
deliver consistent, high‐quality interfaces. Proficient in Git and Git‐based workflows, including branching strategies and collaborative code review practices. Solid understanding of API integration, including RESTful services, backend collaboration, and data‐driven UI patterns. Knowledge of front‐end testing approaches, including unit, integration ...

Implementation Manager - Embedded Finance

Location
Greater London, England, United Kingdom
teams to provide the best experience for our most valued customers. Our team works alongside commercial teams throughout the pre‐sales, solution design, and API integration stages, serving as the single technical point of contact and trusted advisor for our clients. We are committed to empowering businesses with … orchestration of workstreams across onboarding, configuration, testing/certification, and pilot/launch. Lead the delivery of partner projects in close collaboration with integration engineers and other technical stakeholders, ensuring functional flows, architecture, and timelines are clearly understood and adhered to. Drive a core project team across all phases ...

Data Scientist & Engineer

Location
Greater London, England, United Kingdom
data lineage, provenance, metadata, access controls, permissions and the responsible use of sensitive data within an enterprise data estate. Experience with Git, automated testing, API integration, CI/CD and version-controlled deployment of data workloads in Microsoft Fabric and Databricks. Ability to translate a business question into ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
engage both technical and non‐technical audiences. Nice to have Experience with real‐time or streaming data architectures. Exposure to Salesforce data models and API integrations. Experience using AWS CDK for infrastructure deployment. Familiarity with orchestration tools such as Airflow. Experience implementing data observability, monitoring and alerting solutions. Knowledge ...

AI Solutions Engineer - Vice President - London

Hiring Organisation
Goldman Sachs
Location
London, UK
Employment Type
Full-time
transformative potential of AI within the firm through accelerated application delivery, rapidly deploying impactful solutions, and then seamlessly transferring the application code, cloud integration patterns, robust data models, and operational knowledge to respective business and engineering teams. This hands-on engineering role is pivotal in shaping the future … pipelines for accelerated delivery. Implement robust MLOps practices to streamline model deployment, monitoring, and lifecycle management in cloud environments, including data versioning, feature store integration, and data pipeline management. Business Partnership & Solution Architecture: Collaborate closely with business and engineering teams to deeply understand their challenges and customer needs, identify ...

Developer

Location
City Of London, England, United Kingdom
full stack, next gen SaaS service offerings. Key Responsibilities: Bulletproof script development: build reliable, production grade scripts from defined specifications. Data orchestration and integration: develop and own the orchestration scripts that integrate multiple data feeds (document analysis output, transaction data, market data) into the existing point in time database … stale data are caught before they reach research. Documentation and code quality: write well documented, maintainable code with unit tests covering data processing and integration scripts. Clear, thorough documentation of what’s built, how it works and how to run it is a core part of the role ...

Full Stack Engineer (AI Native)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum
Spring stack. React, JavaScript and TypeScript. AI-assisted development, particularly using Claude and agentic engineering workflows. CI/CD pipelines, automated testing and API integrations. AWS, Docker and/or Kubernetes. Jira, Agile methodologies and collaborative software delivery. THE BENEFITS: You will receive a salary ...

Engineer C# (Full Stack)

Location
City Of London, England, United Kingdom
frameworks and cloud technologies. Collaborate with cross‐functional teams to deliver high‐quality software aligned with business objectives. Implement and maintain microservices architecture and API integrations. Ensure adherence to SDLC processes, including CI/CD pipelines and automated testing. Optimize application performance and ensure security best practices. Participate ...

Java/React Developer- London

Hiring Organisation
FDM Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
5+ years' commercial software development experience. Strong expertise in Java and Spring Boot. Experience designing and developing microservices architectures. Strong understanding of RESTful API development and integration. Proven experience with React, JavaScript/TypeScript and modern front-end development practices. Experience working with SQL and large-scale relational databases. ...

Engineer C# (Full Stack)

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
frameworks and cloud technologies. Collaborate with cross-functional teams to deliver high-quality software aligned with business objectives. Implement and maintain microservices architecture and API integrations. Ensure adherence to SDLC processes, including CI/CD pipelines and automated testing. Optimize application performance and ensure security best practices. Participate ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
frameworks and cloud technologies.* Collaborate with cross-functional teams to deliver high-quality software aligned with business objectives.* Implement and maintain microservices architecture and API integrations.* Ensure adherence to SDLC processes, including CI/CD pipelines and automated testing.* Optimize application performance and ensure security best practices.* Participate ...

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
Greater London, England, United Kingdom
Bring Technical Expertise You’ll have strong commercial experience with: Modern TypeScript, including advanced types, generics and utility types Vue.js (Vue 3, Composition API) and the wider Vue ecosystem State management with Pinia or Vuex Vue Router and client-side routing patterns Component-driven development and design systems (e.g. … Storybook) REST and GraphQL API integration Build tooling such as Vite or Webpack Automated testing with tools such as Vitest, Jest, Cypress or Playwright Responsive, accessible UI development (WCAG standards) CSS architecture (e.g. Tailwind, SCSS, CSS Modules) Git and modern software development workflows CI/CD pipelines using ...

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 ...

RPG Developer

Location
Greater London, England, United Kingdom
Perform system analysis and debugging to resolve production issues and improve performance Develop and maintain technical documentation, including program specifications and change logs Support integration between IBM i applications and enterprise systems such as ERP, CRM, and web services Participate in system upgrades, migrations, and modernization projects Ensure compliance … binding directories Familiarity with subfile programming Exposure to modernization tools such as RDi and VS Code for RPG is a plus Experience with API/web service integration is a plus Experience working with ERP or business-critical applications such as finance, manufacturing, or logistics systems Strong programming ...

Quant Researcher - ML

Location
Greater London, England, United Kingdom
Engineering Python. SQL. Git or equivalent version‐control systems. Software engineering best practices. Data pipeline development. Production machine learning systems. Testing and validation frameworks. API integration and workflow automation. Familiarity with cloud environments, distributed computing frameworks, and modern machine learning ecosystems is advantageous. Desired Characteristics Strong intellectual curiosity. ...

Process Automation Developer

Location
Greater London, England, United Kingdom
business process orchestration across multiple systems. Gather and analyse business requirements and translate them into technical solutions. Develop and support REST API integrations between applications and third-party platforms. Create and maintain database structures, queries and data migrations using SQL. Support application testing, defect resolution and production deployments. Produce ...

iOS Developer

Location
Greater London, England, United Kingdom
developers in an agile multidisciplinary team Participate in technical discussions, code reviews and architectural decision-making Develop automated tests and contribute to continuous integration and delivery processes Investigate and resolve technical issues, defects and performance problems Consider security, accessibility, privacy, resilience and performance throughout the development lifecycle Contribute … using Swift, with a strong focus on clean code, maintainability, and modern development practices. Experienced in collaborating within agile teams and contributing to continuous integration and delivery processes. Highest-signal resume keywords IOS Application Development Swift Proficiency Automated Testing API Integration Agile Methodologies Hard Skills Swift ...

Data and BI Developer

Location
Wembley, England, United Kingdom
Power Apps that replace spreadsheets, paper and email chains. Designing Power Automate flows that take manual handling out of operational processes end to end. Integration and data operations Building and maintaining API integrations between our systems, in Fabric notebooks and scheduled Python. Assessing new business software for whether … optimising views and queries, and understanding what is expensive and why. Real experience of at least one of Power Apps, Power Automate, or API integration work. We are not expecting all three. The ability to work end to end — taking a vague business problem, working out what ...

AI Copilot Developer

Location
Greater London, England, United Kingdom
code critically and provide constructive feedback. Quality-focused, self-motivated, and collaborative approach to working within a team environment. Additional experience with Power BI, API integration, Azure services, SQL/Oracle databases, CI/CD practices, advanced AI agents, C#/.NET, unit testing, automation tools, or other ...

AI and Cloud Director - Technology Consulting (AI, data and analytics)

Hiring Organisation
Business Integration Partners
Location
London, UK
Employment Type
Full-time
containerisation including Docker and Kubernetes, and DevOps. Cloud strategy, adoption, workload migration, hybrid and multi-cloud environments, and FinOps. Cloud infrastructure, networking and security. API integration and enterprise architecture. Preferred experience and qualificationsA degree in computer science, engineering, mathematics, data science or a related field, or equivalent professional ...

IGA Senior Engineer / Architect (SailPoint & Identity Governance)

Location
Greater London, England, United Kingdom
OAuth). Experience integrating IGA platforms with HR systems (e.g., Workday, SAP), ServiceNow, and other enterprise applications. Proficiency in scripting (PowerShell, JavaScript, BeanShell) and API integration (REST, SCIM, JDBC). Excellent communication and stakeholder management skills, with the ability to explain complex technical concepts to non-technical audiences. ...

Copilot Application Developer

Location
City Of London, England, United Kingdom
Apps and Power Automate. Experience or exposure to Copilot Studio, AI Agents, or Microsoft AI technologies. Knowledge of Dataverse, Power FX, JSON, JavaScript, and API integrations. Familiarity with Microsoft 365 and Azure environments. Strong problem-solving and analytical skills. Excellent communication skills and the ability to work with both ...

Copilot Application Developer

Hiring Organisation
Hunter Selection
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum 33 days holiday, bonus + more
Apps and Power Automate. Experience or exposure to Copilot Studio, AI Agents, or Microsoft AI technologies. Knowledge of Dataverse, Power FX, JSON, JavaScript, and API integrations. Familiarity with Microsoft 365 and Azure environments. Strong problem-solving and analytical skills. Excellent communication skills and the ability to work with both ...

Senior Data Privacy & BigID Consultant

Location
City Of London, England, United Kingdom
Glue), Azure (ADLS, Purview), GCP (BigQuery) Data cataloguing tools — Collibra, Alation, Informatica ETL pipelines and data lineage concepts Security & Privacy SIEM/DLP tools integration (Splunk, Microsoft Purview) Identity & Access Management basics (IAM, RBAC) Encryption, tokenization, and data masking techniques Scripting & Automation Python/Bash for automation and data … profiling scripts REST API integration and JSON/XML data handling QUALIFICATIONS Experience 7+ years in data governance, privacy, or information security 4+ years in a client-facing consulting or professional services role Proven BigID deployment experience (end-to-end preferred) Track record managing complex, multi-stakeholder engagements ...

Senior AI Software Engineer

Location
Greater London, England, United Kingdom
London, UK About the role Design, implement, and maintain features across varied languages, frameworks, and internal codebases. Add AI capabilities to products: model/API integration, prompt and context design, retrieval, orchestration, and the surrounding infrastructure (data handling, caching, error management, cost and latency controls). Build evaluation … adaptable, and comfortable diving into challenging, ambiguous projects. If needed capable and willing to obtain Government Security Clearance. Nice to Have AI/LLM integration experience (APIs, RAG, tool calling, agent frameworks, hosted or local inference). Background improving legacy systems through testing, refactoring, and reducing technical debt. Breadth ...