76 to 100 of 232 REST Jobs in London

Integration Technical Lead – .NET, C# & Azure

Hiring Organisation
ARCA Consulting Ltd
Location
London, United Kingdom
Employment Type
Permanent
/6+), particularly building integration services and APIs. Proven experience working with Microsoft Azure Experience designing and delivering integration solutions and distributed systems, including REST APIs, microservices and event-driven architectures. A strong understanding of cloud-native architecture, scalability and performance optimisation. Experience with DevOps, CI/CD and Infrastructure ...

Security Engineer - PKI/CLM Implementation - Inside IR35 - Up to £700 per day

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Trust Lifecycle Manager, Venafi, AppViewX or equivalent). Knowledge of X.509, TLS/mTLS, PKCS standards and key stores, with ACME, SCEP, EST and REST API integration. Working knowledge of crypto-agility, cryptographic inventory and PQC migration planning (NIST standards). Experience in regulated financial services or similarly controlled environments. ...

Data Engineer - Data Modelling

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 per day
Data integration and engineering Informatica Talend Apache Airflow Python for data processing and automation Data warehouse design and optimisation APIs and event-driven architecture REST APIs GraphQL Apache Kafka Event-driven architectures DevOps/infrastructure Terraform Docker Kubernetes Experience working within regulated or complex enterprise environments, including Financial Services, Government ...

Contract Forward Deployed Engineer - Immediate Start

Hiring Organisation
Tenth Revolution Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £700.00 per day
modern cloud, data and AI platforms. Key Requirements: · Strong software engineering experience with Python, JavaScript, Typescript or similar technologies. · Experience building integrations using APIs, REST services and cloud platforms. · Strong understanding of system architecture, solution design and technical delivery. · Experience working directly with customers, stakeholders or business users. · Strong ...

Senior Technical Architect - Custody & Securities Services

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £850/day
driven systems Domain-driven designs Distributed platforms Experience with Kafka, IBM MQ, Solace or similar messaging technologies. Strong API and integration architecture experience, including REST and OpenAPI standards. Exposure to AWS and modern cloud-native architectures. Experience within architecture governance frameworks and technical review boards. Desirable Experience Knowledge of SWIFT ...

Senior Technical Architect - Custody & Securities Services

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £850.00 per day
driven systems Domain-driven designs Distributed platforms Experience with Kafka, IBM MQ, Solace or similar messaging technologies. Strong API and integration architecture experience, including REST and OpenAPI standards. Exposure to AWS and modern cloud-native architectures. Experience within architecture governance frameworks and technical review boards. Desirable Experience Knowledge of SWIFT ...

Senior Solution Architect & Technology Consultant (Financial Services or Insurance)

Hiring Organisation
EPAM Systems Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
with knowledge of common platforms and functional capabilities Strong proficiency in cloud services (AWS, Azure or GCP) and modern integration patterns such as microservices, REST APIs and event-driven architectures Demonstrated pre-sales experience including RFP responses, building and presenting proofs of concept Ability to act as Subject Matter Expert ...

Senior Solution Architect & Technology Consultant (Financial Services or Insurance)

Hiring Organisation
EPAM Systems
Location
London, UK
Employment Type
Full-time
Insurance with knowledge of common platforms and functional capabilitiesStrong proficiency in cloud services (AWS, Azure or GCP) and modern integration patterns such as microservices, REST APIs and event-driven architecturesDemonstrated pre-sales experience including RFP responses, building and presenting proofs of conceptAbility to act as Subject Matter Expert linking technology ...

Technical Lead AI

Hiring Organisation
Spectrum IT Recruitment Limited
Location
London, England, United Kingdom
Svelte or similar. Backend development experience using technologies such as TypeScript/Node.js, Python, Go, C# or similar. Experience working with relational databases, APIs (REST and/or GraphQL) and cloud infrastructure. Understanding of CI/CD pipelines, containerisation and infrastructure-as-code concepts. Strong understanding of software architecture, system ...

Backend Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent
users. Join a nine-person engineering cohort being hired across front-end and back-end. WHAT YOU'LL BE DOING - SERVICES AND CONTRACTS Design REST and asynchronous services in Python 3.11+ and FastAPI. Work at Java/Spring boundaries with PostgreSQL and async SQLAlchemy persistence. Implement tenant isolation, context, role ...

Director of Solution Architecture & Technology Consulting

Hiring Organisation
EPAM Systems Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
understanding of major functional capabilities and common platform solutions across those sectors Experience with Microservice based architecture, designing enterprise services or integration capabilities using REST APIs and event-driven technology as well as leveraging native Cloud services (Azure, AWS or GCP), decentralised systems, and AI-particularly in the practical application ...

Senior IAM Solutions Architect

Hiring Organisation
RELX Group
Location
London, England, United Kingdom
experience will be considered.Advanced knowledge of Workday, Active Directory, Entra ID, Microsoft 365, MFA and SCIM; working knowledge of OAuth, OIDC and SAML for REST API integration.Strong Azure and Entra knowledge (app registrations, service principals, managed identities, RBAC, PIM, Key Vault); familiarity with AWS.Knowledge of PAM concepts and toolsets. Desirable ...

Senior AI Engineer / Data Scientist

Hiring Organisation
EPAM Systems
Location
London, UK
Employment Type
Full-time
enterprise data groundingDevelop orchestration engines supporting multi-step planning, delegation, and fallback paths for agent workflowsImplement integration and communication patterns via MCP, A2A, OpenAPI, REST, and gRPCBuild production-grade Python APIs and microservices integrating with enterprise systems and AI servicesApply observability and monitoring solutions (Langfuse, Arize, Grafana) to ensure system ...

Azure Databricks Engineer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £550.00 per day
platform performance. Work with Delta Lake, Unity Catalog and modern data lake architectures. Integrate Azure services including ADLS, Data Factory, Key Vault and REST APIs. Support CI/CD deployments and Databricks automation. Requirements Strong hands-on experience with Azure Databricks in an enterprise environment. Excellent SQL Server/ ...

Software engineer

Hiring Organisation
Lorien
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
data models. Experience developing and consuming Dynamics 365 APIs. C#/.NET Development Strong commercial experience developing enterprise applications using C# and .NET. REST API development and integration expertise. Understanding of software design principles and modern engineering practices. Experience with source control, CI/CD and automated deployment pipelines. Guidant ...

Senior Python Developer Data AWS

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
have the right to work. About you: You have strong software engineering experience across the full development lifecycle You have expertise with backend Python, REST APIs and microservices You have a good knowledge of AWS including Amazon RedShift You have experience with PostgreSQL, DBT, data pipelines, ETL, data modelling, LLMs ...

Python Software Engineer Agentic AI

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
deployment You have experience building AI agents or automating business processes using agentic technology You have experience of working with and creating JSON based REST APIs You're keen to work in a start-up environment You have excellent communication and collaboration skills You are a passionate technologist, keep ...

Guidewire - Claims Center Architect-6months-London

Hiring Organisation
Kirtana Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Integration Mechanisms o Guidewire Data Model Customization & Integration: o Sound knowledge of Guidewire ClaimCenter (cloud) customization and integration (Intra and Inter system integration) using REST and SOAP APIs Technical Skills: o Experience with batch processes, Guidewire Messaging framework, and OOTB plugins o Familiarity with Infra concepts and deployment architecture ...

Full Stack Software Developer with C# Asp.net

Hiring Organisation
Nexus Jobs
Location
London, England, United Kingdom
binding framework such as Vue.js, AngularJS, React, and Knockout would be beneficial.Additionally, the candidate should be comfortable using IIS.Full understanding of the MVC pattern, REST APIs and asp.net controllers are a must. Web developers should be aware of security vulnerabilities, such as those identified in OWASP, and their code should ...

Senior Lead, ServiceNow ITOM

Hiring Organisation
Take 2 interactive
Location
London, UK
Employment Type
Full-time
including MID servers, network/security settings, probes, patterns, and schedules. Integrate & Automate: Build and maintain integrations via IntegrationHub, Service Graph Connectors, and scripted REST/SOAP APIs. AI Innovation: Identify and implement high-impact opportunities for embedding GenAI and Agentic Workflows into IT Operations for alert analysis, remediation ...

Senior Oracle Cloud Technical Consultant

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
knowledge of Oracle Cloud applications and integration frameworks, including: Oracle ERP Cloud Oracle HCM Cloud Oracle SCM Cloud You'll be comfortable working with: REST APIs SOAP Web Services Oracle SaaS integration frameworks Security protocols and authentication mechanisms Oracle web service catalogues and API architecture You'll ideally have delivered ...

Senior React & Node Developer (AI & Full Stack)

Hiring Organisation
Infused Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
working with Microsoft Azure . Experience with Docker and containerised applications. Strong understanding of OAuth , authentication and secure API design. Experience designing and consuming REST APIs. Excellent communication and stakeholder management skills. A proactive, product-focused mindset with a passion for solving complex problems. Desirable Skills AI-powered application development … Infrastructure as Code Event-driven architecture Agile product development Accessibility (WCAG) Technology Stack React TypeScript JavaScript Node.js Express.js Python Microsoft Azure Docker OAuth REST APIs Git AI-assisted development tools CI/CD What's on Offer Competitive salary Hybrid working ( 3 days per week in the London office ) Opportunity ...

Solution Architect - London Market Insurance

Hiring Organisation
TEST YANTRA SOFTWARE SOLUTIONS
Location
London, UK
Employment Type
Full-time
Experience defining migration strategies, target-state architectures, and modernization roadmaps. Expertise in documenting current-state and future-state technology landscapes. Technical SkillsAPI-led architecture, REST APIs, and event-driven integration. Microservices architecture, Docker, and containerization technologies. Microsoft Azure and cloud-native solution design. Security, Identity & Access Management (IAM).Architecture modeling ...

Software Developer

Hiring Organisation
Tiro Partners
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £40 per hour
Developer (Go) 6month contract insideIR35 Finance sector Rate: £40 p/h insideIR35 Location: London, hybrid working 3days in office. Skills: Go, Java Git, REST, Jenkins, NoSQL, Postgres We're looking for an enthusiastic, diligent Software Engineer to work with one of our well known client's fintech project. ...

Senior Full Stack Python Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
skills: Python (5+ years) Celery, Redis, Celery Beat, Flower MCP (Model Context Protocol) LangChain and/or LangGraph React & AG Grid SQL (Oracle desirable) REST APIs & distributed systems Stakeholder engagement & requirements gathering Desirable: Commodities, market data or trading experience Docker/Kubernetes RAG, vector databases and AI tooling Financial services ...