626 to 650 of 779 REST Jobs in London

Data Analyst - Scala

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day insideIR35
technical environment. Key Skills: * Strong Oracle database analysis experience * Hands-on Scala development * Experience with Cats Effect and/or ZIO * Strong knowledge of REST services * Experience with Kafka and messaging platforms Desirable: * AMPS Messaging * SWAPS knowledge * Financial markets experience Immediate requirement - candidates available at short notice are particularly welcome. ...

Salesforce Developer (Loyalty Programme) | £400 – £500 | Inside IR35 | 6 Months | Mostly Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £500.00 per day
experience delivering Salesforce Loyalty Management solutions preferred Strong understanding of Sales Cloud, Service Cloud and Experience Cloud Experience integrating Salesforce with external platforms using REST APIs Skilled in Salesforce data modelling, security, automation and governance Experience supporting B2C customer engagement, rewards and loyalty programmes If this Salesforce Developer role sounds ...

Web Security Engineer (Akamai)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
rule tuning, exception management and application onboarding. Good understanding of OWASP Top 10 and OWASP API Security Top 10. Knowledge of HTTP/S, REST APIs and application layer attack mitigation. Experience with vulnerability management, Qualys and attack surface monitoring tools. Understanding of patch management and vulnerability remediation. Strong stakeholder ...

Web Security Engineer (Akamai)

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £600.00 per day
rule tuning, exception management and application onboarding. Good understanding of OWASP Top 10 and OWASP API Security Top 10. Knowledge of HTTP/S, REST APIs and application layer attack mitigation. Experience with vulnerability management, Qualys and attack surface monitoring tools. Understanding of patch management and vulnerability remediation. Strong stakeholder ...

IAM Platform Engineer – Identity, Entitlements & Authorisation

Location
Greater London, England, United Kingdom
governance, including entitlement metadata, ownership and access models Access request, approval workflows, access reviews, certifications and attestations Identity provisioning and integration technologies, including SCIM, REST APIs and SPML Coding, platform configuration and automation to improve identity services and reduce manual operational effort Working collaboratively with engineering, security and application teams ...

IAM Platform Engineer – Identity, Entitlements & Authorisation

Hiring Organisation
G Research
Location
London, United Kingdom
Salary
£ 80 K
data management.Entitlement governance, including entitlement metadata, ownership and access models.Access request, approval workflows, access reviews, certifications and attestations.Identity provisioning and integration technologies, including SCIM, REST APIs and SPML.Coding, platform configuration and automation to improve identity services and reduce manual operational effort.Working collaboratively with engineering, security and application teams to deliver ...

Enterprise Solution Engineer (Pre-Sales)

Location
Greater London, England, United Kingdom
decision makers Excellent discovery skills - able to lead customers through focused conversations to uncover pain, value, and our path to sales success Experience using REST APIs for enterprise integration, ideally with ticketing, ERP, or CLM systems Ability to travel as needed and to work flexible hours Self-starter and quickly ...

Manager, Agent Architecture

Location
Greater London, England, United Kingdom
with a track record of building scalable solution architecture and conversational experiences grounded in real user needs. Skilled in advanced prompt engineering, comfortable integrating REST APIs and working with Javascript. Strong project and stakeholder management skills, with significant experience working with enterprise customers, including in escalated or high-pressure situations. ...

Principal Product Engineer

Hiring Organisation
TripAdvisor
Location
London, UK
Employment Type
Full-time
/or Android, with strong fluency in Swift and/or Kotlin and the surrounding ecosystem - offline sync, push, auth, persistence, networking, REST/GraphQL) - and credible breadth beyond itDemonstrated breadth: you've worked seriously in at least one of {web frontend, backend services, data/infra, platform tooling} alongside ...

AI Platform Engineer - Insurance

Location
Greater London, England, United Kingdom
principles. Experience with data platforms and pipelines (Spark, Airflow, Kafka, dbt or similar) and working with large-scale datasets. Knowledge of model serving patterns (REST/gRPC, batch scoring, streaming inference) and API gateway integration. Understanding of regulated data handling (PII), encryption in transit/at rest, and role-based ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum
tooling to AI agents. Develop agent-to-agent connectivity, including message contracts, state management, retries and failure handling. Design clear, scalable APIs using REST and/or GraphQL, including authentication, authorisation, versioning and streaming interfaces such as SSE or WebSockets. Build production frontend applications using React, TypeScript and JavaScript. Work … commercial experience with Python for backend and integration development. Strong TypeScript/JavaScript and React experience building production applications. Strong API design experience, including REST and/or GraphQL, authentication, authorisation, versioning and streaming. Hands-on experience with MCP (Model Context Protocol) or comparable tool/plugin integration technologies, alongside ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
tooling to AI agents. Develop agent-to-agent connectivity, including message contracts, state management, retries and failure handling. Design clear, scalable APIs using REST and/or GraphQL, including authentication, authorisation, versioning and streaming interfaces such as SSE or WebSockets. Build production frontend applications using React, TypeScript and JavaScript. Work … commercial experience with Python for backend and integration development. Strong TypeScript/JavaScript and React experience building production applications. Strong API design experience, including REST and/or GraphQL, authentication, authorisation, versioning and streaming. Hands-on experience with MCP (Model Context Protocol) or comparable tool/plugin integration technologies, alongside ...

Full Stack Software Engineer

Location
Greater London, England, United Kingdom
reviewed, tested, and deployed code. Strong software architecture and design fundamentals: decomposing systems into services with clear boundaries, applying design patterns deliberately, designing REST API contracts, and reasoning about failure modes, data flow, and how a design will age. Proven experience designing and building automated tests at every level (unit … JavaScript, building user interfaces in React and working with the Node.js tooling around them. Back-end service development in Java, implementing and consuming REST APIs. Preferred Qualifications Fluency in reading, reviewing, and critically evaluating code you did not write, including code a model generated. Experience building on large-scale distributed ...

Senior Engineer - Business Intelligence

Hiring Organisation
Royal Bank of Canada
Location
London, United Kingdom
Salary
£ 100 K
concept through to production with robust testing, documentation, and deployment practicesIntegrate reliably with APIs and data services owned by the Data Science team (REST, GraphQL, MCP); provide structured feedback on what works and what doesn'tCreate compelling data visualisations and interactive analytics that feel modern and engaging—moving beyond traditional … front-end framework (React, Vue, or Angular)Solid back-end capability to consume well-designed APIs and integrate with data services—comfortable working with REST and GraphQL APIs, understanding authentication patterns, and handling versioningProven experience with Databricks Apps or equivalent application deployment platformsStrong proficiency in DevOps practices including ...

Senior Software Developer

Location
Greater London, England, United Kingdom
optimisation, and query tuning Experience delivering front-end functionality using HTML, JavaScript, and Razor Experience building and supporting integrations with third-party systems using REST APIs or similar technologies Practical experience working with Azure Cloud Services and Azure DevOps, or equivalent CI/CD tooling Proficiency with Visual Studio … contributing to CI/CD pipelines within a collaborative engineering culture. Highest-signal resume keywords C# .NET/.NET Core SQL/T-SQL REST APIs Azure Cloud Services ATS Optimization Keywords Hard Skills C# .NET/.NET Core SQL/T-SQL HTML JavaScript Razor Database Design Performance Optimisation ...

Backend Engineer

Hiring Organisation
Hanson Regan Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
developer who can build features. The core stack includes: Python | Go | TypeScript GCP | Kubernetes | ArgoCD | GitHub Actions PostgreSQL | BigQuery | Vector Databases | Blob Storage REST | GraphQL | gRPC Pub/Sub | Vertex AI Prometheus | Grafana | Sentry What matters is that you've already worked on serious Back End systems and that … engineering tools to find better and faster ways of solving problems. Essential Skills Required: Backend development using Python, Go, TypeScript or similar REST, GraphQL or gRPC APIs Kubernetes and cloud platforms PostgreSQL and strong SQL Event-driven or asynchronous architectures Queues, retries and distributed processing System design and architectural decision ...

Vice President, Cloud Engineer - AI Engineer

Hiring Organisation
MUFG
Location
London, United Kingdom
Salary
£ 80 K
solutions on Azure (primary), Oracle Cloud, and AWS (as onboarded).Develop bespoke automation, integration, and AI‐driven components to support business requirements.Build and maintain REST APIs, integration services, and identity-aware solution patterns.Deliver operational (BAU) and project support for cloud and AI workloads.Collaborate across teams to enhance platform stability, security … PowerShell for automation, integration, and AI workflows.Real‐world experience implementing and supporting cloud platforms and identity solutions (Azure, Oracle, Entra ID).Experience developing REST APIs, integrating services, and implementing identity flows (OAuth2, tokens).Familiarity with Azure OpenAI, OpenAI SDK/models, and applying AI services to real-world use cases.Strong ...

Vice President, Cloud Engineer - AI Engineer

Hiring Organisation
MUFG
Location
London, UK
Employment Type
Full-time
Azure (primary), Oracle Cloud, and AWS (as onboarded).Develop bespoke automation, integration, and AI‐driven components to support business requirements. Build and maintain REST APIs, integration services, and identity-aware solution patterns. Deliver operational (BAU) and project support for cloud and AI workloads. Collaborate across teams to enhance platform stability … PowerShell for automation, integration, and AI workflows. Real‐world experience implementing and supporting cloud platforms and identity solutions (Azure, Oracle, Entra ID).Experience developing REST APIs, integrating services, and implementing identity flows (OAuth2, tokens).Familiarity with Azure OpenAI, OpenAI SDK/models, and applying AI services to real-world ...

FX Client Platforms - Senior UI Software Engineer (Vice President)

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
develop high-quality trading GUIs providing compelling user experiences for internal and external tradersDefine and enforce interoperability standards across web applications using FDC3, and REST/WebSocket APIs. Experience with OpenFin or Interop is desirable but not essential.Drive AI integration within the development lifecycle — including AI-assisted coding, automated test … Jenkins or equivalent) and Agile methodologiesStrong communication skills with experience in globally distributed teamsDesirableExperience building real-time trading platformsFX or Fixed Income product knowledgeJava REST API development experienceFamiliarity with AI-assisted development toolsThis job description provides a high-level review of the types of work performed. Other job-related duties ...

Senior Software Engineer

Hiring Organisation
Optimizely
Location
London, United Kingdom
Salary
£ 80 K
enabling seamless data flow into marketing automation systems to support high-impact campaigns. A significant part of our work involves designing and maintaining REST APIs that expose CMS functionality and enable flexible, composable use of the platform.Our CMS is not just a product—it's also a platform used … functional, agile teamsStrong communication and collaboration skillsNice to haveExperience with Optimizely CMS or similar CMS/DXP platforms.NET Core/MVCSQL (especially MS SQL)REST APIs or GraphQLContainers and cloud platforms (e.g., Azure)Experience building modular systems with continuous deliveryExperience building AI-powered features (e.g., RAG systems, LLM integrations)Degree ...

Enterprise Solutions Engineer - Pre-Sales AI Platform

Location
Greater London, England, United Kingdom
with sales, translate customer needs to post-sales team, and influence product roadmap. The role requires 5+ years in solution selling, strong presentation skills, REST API experience, and willingness to travel to client sites. #J-18808-Ljbffr ...

Solutions Architect – Integrations & API Lead (Post-Sales)

Location
Greater London, England, United Kingdom
work. On-site role in London, you will run design workshops and guide integration projects across CRM/ERP ecosystems. You\'ll work with REST APIs, SSO/SAML, and iPaaS platforms, shaping data migration strategies and AI-assisted tooling to accelerate customer deployments. We\'re a fast-growing SaaS ...

SME - CyberArk

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
CyberArk integration with third-party tools (SIEM, IAM, Cloud, etc.) Service account and platform onboarding & configuration Working with Credential Providers (CP, CCP, AIM) REST API-based integrations Understanding of: Identity & Access Management (IAM) concepts AD, LDAP, Windows/Linux environments ...

CyberArk

Hiring Organisation
Silicon Logic
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
CyberArk integration with third-party tools (SIEM, IAM, Cloud, etc.) Service account and platform onboarding & configuration Working with Credential Providers (CP, CCP, AIM) REST API-based integrations Understanding of: Identity & Access Management (IAM) concepts AD, LDAP, Windows/Linux environments ...

Front End Developer

Location
Greater London, England, United Kingdom
front-end applications using React or Angular. Work with TypeScript/JavaScript (ES6+), HTML5 and CSS3. Integrate front-end applications with backend services through REST APIs. Implement effective application state management using technologies such as Redux or NgRx. Collaborate closely with UX designers to translate designs and requirements into high … experience. Technical Skills Essential Strong commercial Front-End Development experience. React or Angular. TypeScript/JavaScript (ES6+). HTML5 and CSS3, including responsive design. REST API integration. State management experience, ideally Redux or NgRx. Unit testing with Jest, Jasmine or equivalent. Git. Strong understanding of WCAG and accessible web development. ...