126 to 150 of 620 REST Jobs in London

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
Greater London, England, United Kingdom
wider Vue ecosystem State management with Pinia or Vuex Vue Router and client-side routing patterns Component-driven development and design systems (e.g. Storybook) REST and GraphQL API integration Build tooling such as Vite or Webpack Automated testing with tools such as Vitest, Jest, Cypress or Playwright Responsive, accessible ...

Full stack Engineer - AI

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
testing. System Design Judgment: A proven track record of designing scalable, maintainable systems and clearly articulating architectural trade-offs. API & Integration Skills: Proficiency with REST, streaming (SSE/WebSockets), and the real-world complexities of stitching together messy upstream systems. Data Proficiency: Strong SQL/NoSQL skills, query optimization ...

Enterprise Architect - AI

Location
Greater London, England, United Kingdom
analysis. Integration — AI Stack, Enterprise Networks & Service Provider Environments Platform integration: API-based and event-driven integration of AI platforms with enterprise systems, using REST/gRPC APIs and message/event streaming platforms (e.g. Kafka). Enterprise network integration: designing connectivity between AI/GPU infrastructure and existing campus ...

Senior Developer

Hiring Organisation
SR2
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£625.00 - £750.00 per day
delivering software in MOD, Defence Intelligence, National Security or comparable secure environments Proven experience leading agile development teams Strong engineering background across Python, FastAPI, REST APIs, React and TypeScript Experience designing and delivering microservice architectures ...

Full Stack Developer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
modern technologies and engineering best practices. What You'll Be Doing Building and maintaining applications using Kotlin, Java and Spring Boot Developing microservices and REST APIs . Delivering solutions across AWS, Azure and GCP environments. Working with Docker, Kubernetes and CI/CD pipelines . Collaborating with stakeholders to design ...

Senior SharePoint Developer

Hiring Organisation
Eutopia Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
high-performing SharePoint solutions Optimising platform cost, performance, and usability Designing and developing solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs Designing and maintaining enterprise on-premises and cloud SharePoint platforms Administering SharePoint SE (on-prem) and SharePoint Online tenants Skills and experience required: Extensive hands ...

Senior MuleSoft Developer

Location
Greater London, England, United Kingdom
Senior MuleSoft Developer to lead the technical delivery of multi-cloud enterprise integration solutions. AsaSeniorMuleSoftDeveloper,youwillsitatthecentreofourtechnicaldeliveryteaminLondon.Youwillarchitect,build,anddeployenterprise-gradeintegrationsontheMuleSoft AnypointPlatform,connectingcomplexbackendecosystems (Salesforce,SAP,legacydatabases,REST/SOAPwebservices)usingMuleSoft’sAPI-LedConnectivityframework(System, Process,andExperiencelayers). YouwillworkcloselywithSolutionArchitects,Salesforce Consultants,andclientstakeholderstotranslatecomplex businessneedsintosecure,performant,andscalablesolutions. KeyResponsibilities API-LedIntegration&Build:Design,develop,andtest System,Process ...

Java Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£41000 - £45000/annum
administering J2EE application environments. Strong programming skills in Java . Experience with the Spring Framework . Knowledge of Web Services (SOAP and/or REST). Experience with JMS and Message-Driven Beans (MDBs) . Hands-on experience with JUnit and unit testing practices. Experience using Git for source control. ...

Java Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Karma, along with TDD practices. Database: Deep knowledge of SQL, major RDBMS platforms, and database design. Integration & Web Services: Experience with Advanced SOAP/REST Clients, XML parsing (including schemas), JSON, and third-party libraries. OS & Scripting: Strong experience with Unix/Linux commands; basic shell scripting knowledge ...

Salesforce Software Engineer x3 - Investment Management

Location
Greater London, England, United Kingdom
strongly preferred.Salesforce Certified Administrator is expected, and integration or architecture-track certifications (e.g. Integration Architect, Application Architect, MuleSoft) are desirable. Proven integration experience using REST/SOAP APIs or middleware such as MuleSoft to connect Salesforce with other systems. Strong experience of DevOps and CI/CD tooling (e.g. ...

Senior Forward Deployed Engineer

Location
Greater London, England, United Kingdom
/Go, React/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems (REST, Python, SQL, GraphQL, Webhooks etc). Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack ...

Senior Product Engineer

Hiring Organisation
Trafigura
Location
London, UK
Employment Type
Full-time
building user interfaces when neededExpert-level modern Python proficiency with deep knowledge of the ecosystem (Pydantic, FastAPI, asyncio, type hints)Strong experience with REST APIs, microservices architecture, and database design (SQL, NoSQL)Experience with modern AI frameworks (we currently favour Pydantic AI) and LLM integrationProduction experience with monitoring, observability ...

Test Lead

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
with .NET/C# or Java. Experience with automation tools and frameworks such as Selenium, Playwright, or similar. Strong API testing experience, ideally using REST Assured. Experience with CI/CD tools and pipelines, including Jenkins. Understanding of Agile, DevSecOps/SecDevOps, and shift-left practices. Experience working with development ...

AI Engineering Manager

Hiring Organisation
Huxley Associates
Location
London, UK
Employment Type
Full-time
cloud-native systems (AKS, microservices, APIs).Experience with LLM application design: RAG, prompt engineering, orchestration frameworks. Proficiency in modern programming and automation (Python, PowerShell, REST APIs, IaC).Understanding of data platforms (CosmosDB, SQL, Redis) and event-driven architectures. Experience designing and deploying multi-agent or autonomous AI systems. Familiarity with ...

Lead Software Engineer - Frontend Engineering - React Native

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
skillsProficiency in React framework & Building applications using React Native in TypeScript or JavaScriptNative application development across Android/iOS in Kotlin/SwiftUnderstanding of REST APIs and GraphQLComfortable working with projects partially or fully using TypeScriptEnd to end testing applications with Detox/Appium/WebdriverIO/PlaywrightExtensive experience ...

Lead Software Engineer

Location
Greater London, England, United Kingdom
React Experience with various database technologies and query languages (we use Snowflake, MySQL, Neo4j, Kafka, OpenSearch, and more) Experience designing microservices and APIs using REST, HTTP, and OAuth Comfortable with AWS cloud technologies Experience using log analysis and monitoring tools to investigate production issues and improve reliability Experience writing unit ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
functional team of backend, front‐end, and full‐stack engineers. Essential Experience with React and TypeScript. Proficiency in writing modern web applications. Experience writing REST APIs and services. A keen eye for detail and a passion for writing clean, readable, properly tested code. Experience in integrating automated tests into ...

Sr. Software Engineer

Hiring Organisation
Meltwater Group
Location
London, UK
Employment Type
Full-time
backend focus. Proficiency in Golang is required. Demonstrated ability in using AI-augmented development workflows (e.g., Claude, Codex, Copilot).Experience designing and developing resilient REST APIs and cloud-native applications (preferably AWS).Good understanding of microservice architecture and backend design principles. Solid knowledge of Postgres, Redis, and ideally DynamoDB. Nice ...

D365 Power Platform Technical Lead

Location
London, United Kingdom
development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Server-side development experience preferably using C#/.Net/.Net Core Integration experience with REST APIs/custom connectors Azure integration services knowledge ALM and CI/CD experience Comprehensive understanding of Non-Functional Requirements Strong customer-facing skills Relevant ...

D365 Power Platform Technical Lead

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Server-side development experience preferably using C#/.Net/.Net Core Integration experience with REST APIs/custom connectors Azure integration services knowledge ALM and CI/CD experience Comprehensive understanding of Non-Functional Requirements Strong customer-facing skills Relevant ...

Lead Engineer, AI Platforms

Location
Greater London, England, United Kingdom
deployment and performance monitoring.## **WHAT YOU'LL BRING:*** 5+ years of software engineering experience, including technical leadership.* Expertise in Java/Kotlin, Spring Boot, REST APIs, and MongoDB.* Experience with ReactJS, JavaScript, and TypeScript.* Strong understanding of secure coding (e.g., OWASP principles).* Strong experience with CI/ ...

Java Developer

Hiring Organisation
Hastings Direct
Location
London, UK
Employment Type
Full-time
enterprise level applications. Experience of Java/JVM/Spring based languages Object oriented analysis and design Source Management software such as GitHub SOAP, REST, JSON, XMLJSON & XML; HTML; CSS and JavaScript Knowledge of a Test driven approach including exposure to either TDD or BDD would be an advantage Desirable ...

Vice President, AWS Cloud Technical Lead

Hiring Organisation
MUFG
Location
London, UK
Employment Type
Full-time
/CD tooling. PreferredStrong scripting experience (Python, PowerShell, or similar) and ability to build automation, integrations, and tooling to solve engineering problems. Knowledge of REST APIs and experience integrating applications/services with cloud-native or third-party APIs. Familiarity with multi cloud environments, especially Azure and Oracle Cloud. ...

Software Engineer III- React

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
training or certification on JavaScript concepts and proficient applied experienceAbility to write testable, clean JavaScript codeProficiency in React frameworkFamiliarity with writing unit testsUnderstanding of REST APIs and GraphQLAbility to work in a dynamic, agile environment within a geographically distributed teamAbility to focus on promptly addressing customer needsExcellent written and verbal ...

Senior Engineer

Location
Bromley, England, United Kingdom
Experience building and supporting reactive, event-sourced systems. Hands-on experience with Apache Spark and Apache Flink. Strong understanding of Apache HTTP, Envoy, and REST API design. Experience working with Protobuf, Avro, and Parquet data formats. Knowledge of Iceberg, Databricks, and Hadoop ecosystems. Skills that will help Follows TDD, ATDD ...