API Integration Jobs in the City of London

26 to 50 of 94 API Integration Jobs in the City of London

Customer Support Engineer - French Speaking

City of London, London, 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 ❯
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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

City of London, London, 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 ❯
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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 ❯
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Contract Software Engineers - OO PHP / Laravel / Symfony / AWS

City of London, London, England, United Kingdom
Davies Talent Solutions
The Role You’ll be working on a bespoke claims management platform that supports everything from claim validation to property surveying and repair coordination. The role involves backend development, API integration, and contributing to multiple internal tools and products.You’ll join a collaborative team of developers with a strong peer-review culture. There are no dedicated testers, so More ❯
Employment Type: Contractor
Rate: £350 - £450 per day
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OTM Application Engineer

City of London, London, 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 ❯
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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 ❯
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Prompt Engineer / AI Engineer

City of London, London, 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 ❯
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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 ❯
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Frontend Developer

City of London, London, 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 ❯
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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 ❯
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Application Support Lead 🧑💻- Payments & FX 🧠-SQL & Scripting 🛠- Up to £95,000 + Bonus and Benefits 💷 -Permanent 🏢– London📍

City of London, London, United Kingdom
Hybrid / WFH Options
VirtueTech Recruitment Group
of the full trade lifecycle and investment operations Background in supporting mission-critical systems across Windows and Linux environments Knowledge of market data platforms, messaging protocols (e.g., FIX), or API integrations is a plus Clear communicator with strong stakeholder engagement and documentation skills Experience working within ITIL frameworks and regulated environments 💼 The Offer: Salary: Up to £95,000 per More ❯
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Application Support Lead 🧑💻- Payments & FX 🧠-SQL & Scripting 🛠- Up to £95,000 + Bonus and Benefits 💷 -Permanent 🏢– London📍

london (city of london), south east england, united kingdom
Hybrid / WFH Options
VirtueTech Recruitment Group
of the full trade lifecycle and investment operations Background in supporting mission-critical systems across Windows and Linux environments Knowledge of market data platforms, messaging protocols (e.g., FIX), or API integrations is a plus Clear communicator with strong stakeholder engagement and documentation skills Experience working within ITIL frameworks and regulated environments 💼 The Offer: Salary: Up to £95,000 per More ❯
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Platform Engineer

City of London, London, United Kingdom
Humankind Global Recruitment
DR). ✅ Strong understanding of Kubernetes and stateful workloads . ✅ Proficiency with Infrastructure as Code (Terraform, Ansible, Helm). ✅ Some development experience (Python, Go, or similar) for automation and API integration. ✅ Knowledge of observability tooling – Prometheus, Grafana, ELK, or Datadog. 🎁 Bonus: experience with ElasticSearch , MySQL , or SQL Server , plus exposure to AWS , GCP , or Azure . Why This Role More ❯
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Platform Engineer

london (city of london), south east england, united kingdom
Humankind Global Recruitment
DR). ✅ Strong understanding of Kubernetes and stateful workloads . ✅ Proficiency with Infrastructure as Code (Terraform, Ansible, Helm). ✅ Some development experience (Python, Go, or similar) for automation and API integration. ✅ Knowledge of observability tooling – Prometheus, Grafana, ELK, or Datadog. 🎁 Bonus: experience with ElasticSearch , MySQL , or SQL Server , plus exposure to AWS , GCP , or Azure . Why This Role More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Switch Tech Talent
Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s across their web and mobile platforms supporting millions of transactions weekly. You’ll join a cross-functional team, being the More ❯
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Senior Software Engineer

london (city of london), south east england, united kingdom
Switch Tech Talent
Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s across their web and mobile platforms supporting millions of transactions weekly. You’ll join a cross-functional team, being the More ❯
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Cyber Solutions Architect

City of London, London, England, United Kingdom
INTEC SELECT LIMITED
scale security implementations Knowledge of IGA (e.g., RSA IGL), email and proxy security, virtualization (VMware, Nutanix), and CyberArk Strong technical skills in SQL, Oracle, Linux, PowerShell, AD, LDAP, and API integrations (REST/SOAP, Ansible) Familiarity with CIS compliance, system hardening, and automation tools. Desirable: Experience with SaaS migrations, cloud-native security, and DevSecOps practices Relevant certifications (e.g., CCSP More ❯
Employment Type: Full-Time
Salary: £100,000 - £110,000 per annum
Posted:

Cyber Solutions Architect

london (city of london), south east england, united kingdom
Intec Select
scale security implementations Knowledge of IGA (e.g., RSA IGL), email and proxy security, virtualization (VMware, Nutanix), and CyberArk Strong technical skills in SQL, Oracle, Linux, PowerShell, AD, LDAP, and API integrations (REST/SOAP, Ansible) Familiarity with CIS compliance, system hardening, and automation tools. Desirable: Experience with SaaS migrations, cloud-native security, and DevSecOps practices Relevant certifications (e.g., CCSP More ❯
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AI Quality & Evaluation Manager

City of London, London, United Kingdom
Hybrid / WFH Options
Lorien
hallucination, bias, tone, etc.). Familiarity with tools like Trulens, HumanLoop, PromptLayer, or similar; experience designing QA approaches for GenAI environments. Knowledge of modern AI architectures (RAG pipelines, embeddings, API integrations such as OpenAI, Azure OpenAI, Anthropic). Experience designing and implementing structured test regimes in fast-evolving contexts. Excellent communication and facilitation skills, engaging both technical and business More ❯
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AI Quality & Evaluation Manager

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Lorien
hallucination, bias, tone, etc.). Familiarity with tools like Trulens, HumanLoop, PromptLayer, or similar; experience designing QA approaches for GenAI environments. Knowledge of modern AI architectures (RAG pipelines, embeddings, API integrations such as OpenAI, Azure OpenAI, Anthropic). Experience designing and implementing structured test regimes in fast-evolving contexts. Excellent communication and facilitation skills, engaging both technical and business More ❯
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Cloud Applications Engineer

City of London, London, United Kingdom
AVI-SPL
B2C, and Passwordless authentication. Purview within M365, including Information Protection, Retention, Sensitivity Labels, e-Discovery, and Reporting. Log Analytics administration. Development and management of Logic Apps. M365/Azure API integrations. Education and/or Experience: 3–5 years in IT or cloud engineering roles, with hands-on experience in Microsoft 365, Azure, and EntraID/identity management . … MAM/App Protection, Apple Business Manager, Android Enterprise Certificate and secret lifecycle management M365 governance & compliance tools (Purview, retention policies, sensitivity labels, e-Discovery) Exposure to automation and API integration (Logic Apps, Power Automate, or similar) Experience in log analytics and reporting within M365/Azure environments Track record of phased implementation of configuration or security changes More ❯
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Cloud Applications Engineer

london (city of london), south east england, united kingdom
AVI-SPL
B2C, and Passwordless authentication. Purview within M365, including Information Protection, Retention, Sensitivity Labels, e-Discovery, and Reporting. Log Analytics administration. Development and management of Logic Apps. M365/Azure API integrations. Education and/or Experience: 3–5 years in IT or cloud engineering roles, with hands-on experience in Microsoft 365, Azure, and EntraID/identity management . … MAM/App Protection, Apple Business Manager, Android Enterprise Certificate and secret lifecycle management M365 governance & compliance tools (Purview, retention policies, sensitivity labels, e-Discovery) Exposure to automation and API integration (Logic Apps, Power Automate, or similar) Experience in log analytics and reporting within M365/Azure environments Track record of phased implementation of configuration or security changes More ❯
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Full Stack Software Engineer (Golang/Typescript)

City of London, London, United Kingdom
Safe Intelligence
We're excited to have you contribute to our mission! Responsibilities : As a Safe Intelligence Full Stack Software Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Contribute significantly to software development on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our … dataset management, verification workflows, and result/metric aggregations. Collaborate closely with our scientific and technical teams to interface with and containerize our PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and DevOps … knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state More ❯
Posted:

Full Stack Software Engineer (Golang/Typescript)

london (city of london), south east england, united kingdom
Safe Intelligence
We're excited to have you contribute to our mission! Responsibilities : As a Safe Intelligence Full Stack Software Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Contribute significantly to software development on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our … dataset management, verification workflows, and result/metric aggregations. Collaborate closely with our scientific and technical teams to interface with and containerize our PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and DevOps … knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state More ❯
Posted:
API Integration
the City of London
10th Percentile
£62,500
25th Percentile
£74,375
Median
£107,500
75th Percentile
£130,000