176 to 200 of 241 REST Jobs in London

Generative AI Executive Director — Production LLM Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deploy production ML pipelines using DAG frameworks, including custom operator development and pipeline optimization. Architect and implement high‐throughput, low‐latency microservices with gRPC, REST, and GraphQL, including protocol buffer schema design, streaming endpoints, and load balancing. Apply hands‐on experience with parameter‐efficient fine‐tuning (LoRA, QLoRA, IA3), model ...

Smart Building Solutions Architect

Hiring Organisation
Hereworks
Location
London Area, United Kingdom
/IT network architectures supporting AV, IoT, BMS, and smart building systems. Integrate advanced technologies and protocols such as BACnet, KNX, Modbus, LoRaWAN, MQTT, REST APIs, and cloud-based IoT platforms into system designs. Develop integration strategies for Building Operating Systems (BOS), digital twin platforms, analytics platforms, and operational dashboards. ...

ServiceNow Managed Service Consultant

Hiring Organisation
UP3
Location
Greater London, England, United Kingdom
requirements, technical problems and identifying potential solutions Experience of scripting and debugging in one or more of the following: JavaScript, HTML, CSS, XML, SOAP, REST, ideally in ServiceNow Knowledge of multiple ServiceNow applications across the platform - ITSM and more Understanding of Service Management best practice - ITIL Adept and providing ...

Senior Lead Engineer, Post Trade (Blockchain)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Object-Oriented Programming (OOP).* Advanced knowledge of Java 17+ features and practical experience with Spring Boot.* Skilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring REST MVC.* Proficient in building and delivering enterprise-grade Java applications.* Hands-on experience with data structures, algorithms, concurrency ...

Senior Python Engineer (Django / DevOps / IaC)

Hiring Organisation
Pontoon Solutions
Location
City of London, London, United Kingdom
business by making security tooling fast, reliable, and seamless for every development team. You will be responsible for Design, develop, and maintain scalable REST APIs using Django. Build and operate asynchronous task pipelines (Celery/Redis) that orchestrate security scanning at scale. Ensure best practices for code quality, performance … documentation. Participate actively in technical discussions, contributing innovative ideas and solutions. You will need Strong experience in Python development, specifically with Django and Django REST Framework at senior level. Experience with asynchronous task queues (Celery, Redis) Solid understanding of REST API design principles and best practices. Proficiency in relational databases ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
prepared to go through UK SC Security Clearance E xperience in Java software engineering and object-oriented design Spring (Boot) experience Experience with REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation and orchestration Proficiency in Git, CI/CD pipelines, and automated testing frameworks Understanding … prepared to go through UK SC Security Clearance Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital ...

Mobile Developer

Hiring Organisation
Tiro Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
React Native/TypeScript/iOS Location: London (Hybrid) Type: Full-time Salary: £80k£90k Industry: Computer Vision Startup Tech: React Native, TypeScript, Swift, REST APIs About the Role Were a fast-growing computer vision startup building next-generation mobile products and are looking for a Senior React Native Mobile ...

Network Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Active Directory (AD) with ISE for user-based access control Hands-on with Plug and Play (PnP) deployments for Cisco switches Knowledge of Python, REST APIs, or Ansible for automation Experience driving network automation using templates, APIs, or scripting Strong documentation and stakeholder communication skills Nice to Have: Available immediately ...

SharePoint Administrator

Hiring Organisation
Eutopia Solutions ltd
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum, Inc benefits
parts • Design and maintain enterprise SharePoint Online intranet architecture, navigation, branding, and content structures • Integrate SharePoint with internal systems and third-party platforms using REST APIs and Microsoft Graph • Administer SharePoint SE and SharePoint Online environments, including permissions, service applications, site collections, and governance • Perform system updates, patching, upgrades ...

AI Engineer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
/logging to monitor agent behaviour and performance. Benchmarking & Evaluation : Contribute to LLM benchmarking across tasks and model families. API Engineering : Build and consume REST APIs; integrate agentic workflows with backend services. Architecture Evolution : Help evolve the platform as new capabilities (semantic query generation, predictive analytics) are added. In return ...

Senior iOS Engineer – SEO Product

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
writing testable, maintainable code and holding a high bar for engineering quality Experience with software architecture patterns commonly used in iOS development Understanding of REST API design, including the ability to help shape API contracts where needed Confidence working autonomously and taking ownership of delivery end‐to‐end Strong communication ...

UI / UX Designer

Hiring Organisation
Flagsmith
Location
London Area, United Kingdom
keep stakeholders in the loop without being chased. In a small team, that's how trust gets built. Nice to Haves Experience working with REST APIs or similar interfaces. Familiarity with a CMS platform — Webflow preferred, but others are valuable too. Hands-on experience with feature flags, experimentation platforms ...

Founding Enterprise Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Ariba, S/4HANA, ECC), Oracle, Workday, Coupa, Ivalua, Jaggaer, and others. Hands‐on fluency with integration architecture and middleware: iPaaS (MuleSoft, Boomi, Workato), REST APIs, event‐driven patterns, ETL. Proven success selling into or implementing at Fortune 500/FTSE 100 customers across multiple EMEA geographies. TOGAF/Zachman ...

Storage Engineer

Hiring Organisation
Penta Consulting
Location
London Area, United Kingdom
transfer to internal teams Required Skills & Experience Proven experience with Dell ECS or similar object storage platforms Strong understanding of: - Object storage concepts (S3, REST APIs) & Distributed systems and storage architectures Experience with Linux systems and networking fundamentals Knowledge of data protection and replication methods Familiarity with monitoring tools ...

Payment Specialist

Hiring Organisation
Pyramid Consulting, Inc
Location
London Area, United Kingdom
Core banking and authorization systems, Card schemes (Visa, Mastercard, domestic networks), Fraud, AML, and risk systems Enable transition from ISO 8583 to API/REST-based architectures Required Skills & Experience 10+ years in payment switching with deep expertise in FIS IST platform Proven experience in enterprise-scale switch architecture ...

Network Consultant – CCNP, NSE7, Cisco, Fortinet, LAN, WAN, SD-Wan

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
OSPF and MPLS routing environments; manage core firewalls, routers and switches across data‐centre and edge environments; develop automation scripts and tools (Python, Ansible, REST APIs) to streamline provisioning, configuration and monitoring. #J-18808-Ljbffr ...

Senior Technical Lead

Hiring Organisation
Nextech Group Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
onboarding into a repeatable process. What you'll do Phase 1 (0-3 months): Lead the greenfield implementation of all core platforms. Build foundational REST API integrations and webhook-driven automations. Define the cross-platform data model - canonical field mapping, entity relationships and data quality standards across … HaloPSA, HubSpot, Sage Intacct, NinjaOne RMM, 3CX, Microsoft 365/Graph API * Strong JavaScript and/or Python for integration scripting and automation * REST API design - webhooks, OAuth, JSON transformation, event-driven architecture * Cross-platform data mapping across multiple SaaS systems * Technical documentation to a professional standard * Comfortable operating autonomously ...

SC Cleared Node.js Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £560 per day + Inside IR-35
cloud-based platforms. What you'll be doing: Translating business and user requirements into effective technical designs Building APIs and backend services using Node.js (REST, OpenAPI) Developing user-focused services, putting accessibility and usability first Writing clean, reusable, and maintainable code Working with shared/common government tech stacks (Node.js … practices, including OWASP principles and vulnerability management Collaborating with stakeholders and communicating technical concepts clearly Tech stack includes: Node.js, HAPI (web framework) API development (REST, OpenAPI) PostgreSQL, MongoDB, Redis Jest and Lab for testing Git for source control Cloud platforms (AWS, Azure) Docker, Kubernetes, ECS CI/CD tools (Azure ...

FS React Native Developer - Trading London Outside IR35

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day
collaborative engineering environment. Required experience: 6+ years of full-stack engineering experience Strong React Native experience Strong Java backend development experience Experience building REST APIs and microservices Strong SQL/NoSQL knowledge (Postgres, MongoDB, Redis) Experience with CI/CD and deployment processes Experience with AWS, Docker, Kubernetes, or cloud … day. To apply or discuss confidentially, reach out to Nathan Laidlaw at Transparent Technology. Full Stack Developer, React Native, Java Developer, Full Stack Engineer, REST APIs, Microservices, AWS, Docker, Kubernetes, CI/CD, MongoDB, PostgreSQL, Redis, FinTech Jobs, Java Contract Jobs, Outside IR35, React Contract London, Full Stack Contract ...

Senior Software Engineer - MSX Compute Workflows

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role. Our Stack (100% Open Source) Backend: Golang, Python Infrastructure & Orchestration: Docker, Kubernetes, Airflow, Salt, Ansible, Chef Data: PostgreSQL, Redis, Kafka API: REST, GraphQL Frontend: React with TypeScript What you’ll do Own backend systems — design, build, and operate the APIs and services that power infrastructure and service lifecycle workflows … Build scalable APIs (REST & GraphQL) that serve both the INFR UI and programmatic consumers across Bloomberg engineering Architect data models that represent Bloomberg’s entire technology infrastructure — from bare servers to containerized applications — at massive scale Drive workflow orchestration — design pipelines that coordinate complex, multi-step infrastructure and service operations ...

Senior Software Engineer - Identity & Authentication

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
responsible, methodical engineering mindset. What You’ll Do Build and evolve backend services that support login, MFA, and client authentication Design and implement REST APIs using NestJS/TypeScript Build frontend experiences using React where new UI development is required Integrate with identity and MFA platforms (e.g. Transmit Security, Auth0 … Looking For (Must‐Have) Strong backend engineering fundamentals with Node.js and NestJS or Express TypeScript across frontend and backend Experience designing and building REST APIs Understanding of authentication protocols: OAuth 2.0, JWT, MFA flows Hands‐on experience with AWS (ECS, Lambda, CloudFront, S3, Secrets Manager) Familiarity with Infrastructure as Code ...

Senior Software Engineer - React

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
user experience across our advanced analytics platform, OneView. You’ll help build innovative, scalable applications using React and Next.js, integrating seamlessly with OneView via REST APIs. You will be responsible for designing performant, server-rendered and statically optimised applications using Next.js, ensuring fast load times and scalable frontend architecture suitable … interactive applications using React and Next.js Build server-side rendered (SSR), statically generated (SSG), and hybrid applications using Next.js Integrate applications with OneView’s REST APIs and backend services Ensure application performance, scalability, and maintainability in an Azure cloud environment Optimise applications for speed, accessibility, and reliability in production Collaboration ...

Technical Architect with Java and Spring Boot

Hiring Organisation
Methods Business and Digital Technology Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Define reusable engineering patterns for service design, configuration, observability, error handling, resilience and maintainability. Guide teams on Spring Boot best practice, including dependency management, REST API design, testing approaches and integration patterns. Support decisions around modularity, service boundaries, domain modelling and data ownership. Review designs and implementation approaches to ensure … Lead Engineer within large public-sector, government or regulated environments. Strong background in Java and Spring Boot service design and delivery. Experience designing REST APIs, microservices and integration patterns. Good understanding of event-driven architecture, messaging and asynchronous processing. Experience with cloud-hosted platforms, CI/CD, monitoring and operational ...

Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Define reusable engineering patterns for service design, configuration, observability, error handling, resilience and maintainability. Guide teams on Spring Boot best practice, including dependency management, REST API design, testing approaches and integration patterns. Support decisions around modularity, service boundaries, domain modelling and data ownership. Review designs and implementation approaches to ensure … Lead Engineer within large public‐sector, government or regulated environments. Strong background in Java and Spring Boot service design and delivery. Experience designing REST APIs, microservices and integration patterns. Good understanding of event‐driven architecture, messaging and asynchronous processing. Experience with cloud‐hosted platforms, CI/CD, monitoring and operational ...

Senior PHP Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
strong visibility across wider digital transformation and automation initiatives internally. Key Areas: Building and supporting internal applications and integrations Developing secure API-led solutions (REST/GraphQL) Working across Azure PaaS services including Azure Functions & App Services Supporting modern integration approaches including API and event-driven solutions Contributing towards … Project teams Supporting ongoing modernisation initiatives across the technology estate Technical Environment: PHP (v8+) Laravel/Symfony/Yii2 Azure PaaS Azure Functions REST APIs/GraphQL JavaScript/HTML/CSS MySQL/PostgreSQL Git/CI/CD Linux (CentOS/RedHat) Azure-native tooling and integrations ...