26 to 50 of 112 REST Jobs in Central London

Senior Full Stack Lead Engineer ReactJS, TypeScript

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Engineering Enablement Required Experience Significant hands-on experience in software engineering within large enterprise environments. Strong expertise in: ReactJS, TypeScript JavaScript C#/.NET REST APIs Distributed application development. Strong understanding of modern frontend engineering practices and component-based architectures. Deep experience working within a highly regulated financial services institution ...

Senior SharePoint Developer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
modernization initiatives moving classic SharePoint experiences to modern SharePoint. * Design and develop enterprise-scale solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs. * Design and maintain enterprise on-premise and cloud SharePoint platforms, including site architecture, navigation, branding, and content structure. * Administer SharePoint SE (on-prem ...

Solutions Architect, Full-Stack Development, Enterprise AI, London, COR7660

Location
City Of London, England, United Kingdom
build working software solutions rapidly in response. You will design, prototype, and ship across a broad technology stack, including Rust, Python, TypeScript, SQL, REST APIs, and cloud infrastructure on AWS, GCP, or Azure, often delivering within days rather than months. The Company This is a chance to join an established ...

Azure Databricks Data Engineer

Location
City Of London, England, United Kingdom
/ELT pipelines and cloud-based data platforms. Strong understanding of Delta Lake, Unity Catalog, data governance principles, and medallion architecture. Experience integrating REST APIs, JSON data sources, Azure Data Factory, ADLS, Key Vault, and other Azure services. Hands-on experience with Git, CI/CD pipelines, deployment automation ...

IT Systems Engineer

Location
City of Westminster, England, United Kingdom
example, experience using GDS terminals or supporting travel agency applications. Travel APIs & Integration:Experience integrating or supporting travel platform APIs(e.g. Sabre SOAP/REST APIs, Amadeus web services, etc.) is a strong plus. Comfort with reading API documentation and troubleshooting data exchange issues between systems will help in this ...

Associate Software Developer (Web)

Location
City Of London, England, United Kingdom
Collaboration: Work closely with developers, testers, and product stakeholders to understand requirements, clarify details, and deliver practical solutions. Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform ...

Senior Java Developer - Post-Trade Market Data (London)

Location
City Of London, England, United Kingdom
engineering team on a contract basis. You will design and develop market data and reference data feeds, building robust Java/SpringBoot microservices and REST APIs. The role focuses on auditing and leveraging market data, with exposure to CI/CD pipelines, TDD, and DevOps practices. This is an umbrella ...

DV Cleared Software Engineer

Hiring Organisation
IO Associates
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£675 - 725 per day
Skills & Experience Experience working within Defence or National Security programmes Previous experience leading software development teams. Strong development expertise in: Python React TypeScript FastAPI REST APIs React TypeScript Strong understanding of PostgreSQL & MongoDB Docker & Kubernetes Previous experience working within MOD deployment environments. - Active DV Security Clearance. ...

Senior Salesforce Developer

Hiring Organisation
TetriQ Solutions
Location
City of London, London, United Kingdom
Marketing Cloud • Apex, Visualforce, Lightning Components (LWC/Aura) • Salesforce APIs & Integrations • Salesforce DX, VS Code, Git • MuleSoft or Dell Boomi Integration Experience • REST & SOAP APIs • HTML, CSS, JavaScript • Agile & DevOps Practices • Salesforce Certifications (Architect/Developer) preferred Key Responsibilities • Design and implement scalable Salesforce solutions aligned with client business ...

Power Platform Engineer

Location
City Of London, England, United Kingdom
. Software development experience, including proficiency in one or more of the following: Python, JavaScript, JSON, React and related scripting, .NET technologies (C#, ASP.NET), REST services, and PowerShell. Desirable: experience with Power Pages. EU Characteristics that can spell success for this role (if applicable). #J-18808-Ljbffr ...

Senior Data Centre Solutions Architect

Location
City Of London, England, United Kingdom
Cloud Foundation Terraform, Ansible, or similar automation technologies CCNP or equivalent certification NVIDIA certifications or AI infrastructure experience DevOps, automation, and orchestration tools Python, REST APIs, and Git Docker and Kubernetes Knowledge of modern CPU, GPU, and infrastructure technologies This is an excellent opportunity for a skilled Solutions Architect ...

Salesforce Developer

Hiring Organisation
Halian Technology Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
requirements. Required Skills & Experience 48 years of hands-on Salesforce development experience. Strong proficiency with: Lightning Web Components (LWC) Apex Classes, Triggers, Test Classes REST/SOAP APIs SOQL & SOSL Experience with Salesforce platform features including Flows, Service Cloud or Sales Cloud, and custom objects. Understanding of development best practices ...

Scala Engineer

Location
City Of London, England, United Kingdom
/CD practices. Experience working within teams that own and support their services in production. Essential Skills Scala Play Framework or similar MVC/REST API frameworks SQL AWS Continuous Integration/CI/CD Agile methodologies Due to the nature and urgency of this post, candidates holding ...

Staff Software Engineer - Customer Data Platform

Location
City of Westminster, England, United Kingdom
Stack M&S utilizes a variety of technologies within the Customer Data Platform including: Front-end: React, Next.js, TypeScript Back-end: Java, Node.js, GraphQL, REST APIs Cloud & Infrastructure: Azure Kubernetes Service (AKS), mParticle, Salesforce Marketing Cloud, Salesforce Data360 Observability & Monitoring: Dynatrace, PagerDuty Quality & Testing: JUnit, Jest, Playwright Security & Scanning: Snyk ...

Forward Deployed AI Engineer

Location
City Of London, England, United Kingdom
Daily proficiency with AI coding tools such as Claude or GitHub Copilot. Hands‐on LLM integration experience. Working knowledge of MCP (Model Context Protocol), REST APIs, and microservices architecture. Cloud platform experience. Experience with agentic frameworks such as LangChain, LangGraph, AutoGen, or similar. Strong analytical skills — the ability to understand ...

Senior Bureau Messaging Integration Architect - Insurance

Hiring Organisation
I3 Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
bordereaux processes. Exposure to delegated authority and Lloyd's ecosystem platforms. Hands-on knowledge of Azure Integration Services, MuleSoft, Boomi, IBM MQ, Kafka, REST/SOAP, XML, JSON, and managed file transfer technologies. Understanding of cloud and hybrid integration architecture. TOGAF or similar architecture framework knowledge desirable. Integration Architecture ...

Principal Software Developer (Web)

Location
City Of London, England, United Kingdom
team scales. Collaboration: Partner closely with the Desktop application development team to ensure feature compatibility and parity Tech Stack Backend: Scala, Play Framework, REST/JSON and gRPC Frontend: React, TypeScript, AG-Grid Mobile: Current app in CodenameOne, target migration to React Native (or similar JS-based cross-platform framework ...

Enterprise AI Solutions Architect — Fast, On-Site Full-Stack

Location
City Of London, England, United Kingdom
embedded with enterprise customers, designing and delivering real solutions to genuinely complex problems. You will work across a broad stack (Python, TypeScript, Rust, SQL, REST APIs) and cloud platforms (AWS, GCP, Azure), with on-site client engagement and rapid delivery, backed by a base salary ...

Java Developer (Market Data)

Location
City Of London, England, United Kingdom
Market/Reference Batch Data Modern development best practises including TDD and DevOps, being familiar with modifying CI/CD pipelines to maximise efficiency. REST API development and integration. A background in either Investment Banking or Investment Management, ideally demonstrating an understanding of financial products and the trade lifecycle. This ...

Automation Developer

Location
City Of London, England, United Kingdom
production environments. Solid understanding of automation and CI/CD security best practices, including RBAC, secrets management, and pipeline hardening. Experience integrating systems using REST APIs and event‐driven architectures. Familiarity with Azure cloud services and cloud‐native automation approaches. #J-18808-Ljbffr ...

Back End Developer

Hiring Organisation
James Chase
Location
City of London, London, United Kingdom
BFFs Solid hands-on C#/.NET 8+ experience, with the ability to understand and port existing services and business logic Strong experience with REST and GraphQL APIs , contract-first development, schemas and mocks Experience with OpenSearch or Elasticsearch , including query design and index modelling Good understanding of message-driven ...

Senior ServiceNow Developer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
solutions. Strong experience with Flow Designer, Business Rules, Client Scripts, UI Policies, UI Actions, access controls, notifications, forms and catalog items. Integration experience with REST, SOAP, APIs, IntegrationHub, MID Server and Import Sets. Working knowledge of JavaScript, Glide APIs, HTML, CSS and XML. Experience developing custom scoped applications and workflows ...

Scala Developer - Remote Contract

Hiring Organisation
Stealth iT Consulting
Location
Central London / West End, London, United Kingdom
Strong understanding of functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query ...

Senior Pre-Sales Consultant, Enterprise Payments

Location
City Of London, England, United Kingdom
modern enterprise and payments technologies including: Kubernetes and containerised platforms Databases, including Oracle and PostgreSQL Messaging and streaming technologies such as Kafka and MQ REST APIs and modern integration patterns Security and identity frameworks, including OpenID Connect and OAuth Cloud platforms such as: AWS Microsoft Azure Google Cloud Platform ...

IBM Netcool / Observability Technical Lead

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£780 - £830 per day
Change environment Confident communication and stakeholder management with both technical and non-technical audiences Desirable: IBM Tivoli Monitoring (ITM), Dynatrace, IBM Instana or OpenTelemetry, REST APIs/JSON/XML, cloud monitoring across AWS, Azure or GCP, container and Kubernetes monitoring, SRE practices, financial services or regulated environment experience ...