1 to 25 of 59 REST Jobs in the City of London

Lead Software Engineer- Tax & Legal Technology -108720

Hiring Organisation
KPMG UK
Location
City of London, Greater London, UK
languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data models and interacting with database Proven Track Record: Built software that includes user ...

Solutions Architect

Hiring Organisation
Infinity Quest
Location
City of London, London, United Kingdom
Architecture Enterprise Architecture Solution Architecture Microservices Architecture Event-Driven Architecture Domain-Driven Design (DDD) API-First Design Cloud Platforms Azure AWS GCP Integration Technologies REST APIs SOAP Services Kafka MQ Series APIGEE MuleSoft Azure Integration Services Application Technologies Java/Spring Boot .NET Core Node.js Containerization (Docker) Kubernetes/OpenShift ...

API / Integration Developer (SC Cleared)

Location
City Of London, England, United Kingdom
software development principles. Strong problem-solving and troubleshooting skills. Ability to work effectively within a collaborative Agile environment. Desirable Experience with Python . REST/SOAP APIs. Microservices and cloud-native development. Azure integration services. CI/CD and DevOps practices. Experience integrating legacy and modern systems. Experience working within ...

Dynamics 365 CE Developer

Hiring Organisation
Amtis Professional Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
HTML and CSS Web APIs and integration services Azure Functions Azure Logic Apps Azure Service Bus Azure API Management Azure DevOps Git source control REST APIs and integration patterns Secure application development Unit testing frameworks SOLID principles and software design patterns Desirable Experience Healthcare or NHS environments Azure Health Data ...

API / Integration Developer (SC Cleared)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
software development principles. Strong problem-solving and troubleshooting skills. Ability to work effectively within a collaborative Agile environment. Desirable Experience with Python . REST/SOAP APIs. Microservices and cloud-native development. Azure integration services. CI/CD and DevOps practices. Experience integrating legacy and modern systems. Experience working within ...

Senior Java Architect - Payments

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
knowledge of microservices architecture and distributed systems Experience designing event-driven solutions using Kafka or similar messaging technologies Strong understanding of API-first architecture, REST services, and enterprise integration patterns Experience working with cloud-native platforms and containerised environments Exposure to AWS, Azure, Kubernetes, Docker, and CI/CD pipelines ...

Lead Software Engineer

Location
City Of London, England, United Kingdom
experience across frontend and backend technologies. Strong expertise in technologies such as: TypeScript/Node.js React or modern web frameworks Java/Kotlin (desirable) REST APIs and event-driven architectures Experience with AWS, Docker, Kubernetes, and modern DevOps practices. Experience working in financial services or other highly regulated environments. Strong ...

Solutions Architect

Location
City Of London, England, United Kingdom
application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka Solution architect with broad expertise in wide range of digital technologies in areas of application platform ...

Senior C# Developer .NET 9/10, AWS Lambda, SQS, SNS Outside IR35

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
What Youll Bring: Senior/Staff-level backend mastery in C# and .NET 9/10 , with the ability to architect and lead distributed REST microservices at scale. Strong authority in AWS serverless engineering: Lambda-first mindset, hands-on experience with API Gateway, SQS, Step Functions, EventBridge and IAM. Deep ...

Senior AI Engineer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
requires onsite attendance in Central London 23 days per week. Technical Skills C#, ASP.NET Core, Entity Framework Python, FastAPI JavaScript, TypeScript React or Angular REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL and vector databases Azure App Services, Azure Functions, API Management Docker, Kubernetes (AKS) Azure DevOps, Git repositories … applications using Microsoft Azure Strong front-end development experience with React, Angular, JavaScript, and TypeScript Strong back-end development experience with ASP.NET Core, Python, REST APIs, and microservices architecture Experience building and integrating enterprise APIs and third-party services Experience working with both relational and non-relational databases Experience integrating ...

Python/React Developer

Hiring Organisation
Mphasis
Location
City of London, London, United Kingdom
strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design, develop, and maintain web applications using Python and React. Build scalable RESTful APIs … within Agile/Scrum development environments. Troubleshoot and resolve production issues. Required Skills Backend Strong experience with Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5, CSS3 Redux, React Hooks ...

JavaScript Developer Angular - Tech for Good

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
modern Angular, they're using Angular 21 You have experience with relational databases and SQL query writing You have a good understanding of REST APIs, real-time systems, CI/CD You have a strong knowledge of software engineering best practices and Agile development methodologies You have experience in start ...

Production Reliability Engineer

Hiring Organisation
Global Fintech
Location
City of London, Greater London, UK
Unix Experience with writing intermediate to advanced SQL queries for data extraction and troubleshooting purposes. Experience with using and troubleshooting programming interfaces especially REST APIs and Web Sockets. Experience with monitoring tools (Grafana, DataDog) Experience working with Crypto and blockchain (DLT) Familiarity with common engineering development workflows and tools (e.g. ...

BMC Helix Solution Architect

Location
City Of London, England, United Kingdom
certifications (Helix ITSM, Remedy, Discovery or Digital Workplace). Experience with Azure, AWS or hybrid cloud environments. Scripting and automation experience (Python, PowerShell, REST APIs or orchestration tools). Experience integrating BMC Helix with monitoring, security or DevOps platforms. Familiarity with Agile, DevOps and CI/CD delivery practices. Experience ...

BMC Helix Solution Architect

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £775/day Negotiable based on experience
certifications (Helix ITSM, Remedy, Discovery or Digital Workplace). Experience with Azure, AWS or hybrid cloud environments. Scripting and automation experience (Python, PowerShell, REST APIs or orchestration tools). Experience integrating BMC Helix with monitoring, security or DevOps platforms. Familiarity with Agile, DevOps and CI/CD delivery practices. Experience ...

ServiceNow Architect

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
developing ServiceNow technical teams. Strong experience implementing technical governance, architecture reviews and coding standards. Advanced JavaScript development and scripting expertise. Strong knowledge of REST APIs, SOAP Web Services and enterprise integrations. SQL and integration design experience. Experience integrating ServiceNow with AWS, Microsoft Azure and/or Google Cloud Platform. Experience ...

Senior Data Privacy & BigID Consultant

Location
City Of London, England, United Kingdom
Purview) Identity & Access Management basics (IAM, RBAC) Encryption, tokenization, and data masking techniques Scripting & Automation Python/Bash for automation and data profiling scripts REST API integration and JSON/XML data handling QUALIFICATIONS Experience 7+ years in data governance, privacy, or information security 4+ years in a client-facing ...

Back End Developer

Hiring Organisation
rmg digital
Location
City of London, Greater London, UK
technologies from the ground up. Experience needed as a Back End Developer: 3+ years of Node.js development Type Script/Strong JavaScript skills React REST API development ...

Senior Full Stack Lead Engineer ReactJS, TypeScript

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £130000/annum
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 ...

Principal Software Engineer Java Spring Boot AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
strong Java development skills including multi-threading and concurrency You have experience with Spring Boot and microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming ...

Technical Power Platform Consultant

Hiring Organisation
Mphasis
Location
City of London, Greater London, UK
with Power BI, DAX, Power Query, and data modeling. Knowledge of SharePoint, Microsoft Teams, Azure Logic Apps, and Microsoft 365 ecosystem. Experience with JSON, REST APIs, and scripting (e.g., PowerShell or JavaScript). Familiarity with Agile methodologies and DevOps practices. Excellent problem-solving, communication, and interpersonal skills. Preferred Qualifications: Microsoft ...

Business Intelligence Developer

Hiring Organisation
Comtecs
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
define and mature Business Intelligence requirements. Translate business needs into practical BI solutions, enhancements and reporting capabilities. Support integrations using Azure Data Factory, including REST API and OData connections. Troubleshoot complex technical issues and proactively identify opportunities for improvement. Manage application changes, documentation, security, governance and third-party relationships. ...

Guidewire Developer

Hiring Organisation
Axiom Software Solutions Limited
Location
City of London, London, United Kingdom
practices Support Agile delivery release management and production support. Your Skills Strong experience in Guidewire PolicyCenter BillingCenter and ClaimCenter Expertise in Gosu Guidewire integrations REST APIs Java Spring Boot Experience with London Market Insurance Lloyds Commercial P&C Insurance Knowledge of IPLM Underwriting Claims and Billing processes Exposure ...

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 ...

Frontend Architect - React AI

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management libraries (e.g., Redux) and reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page ...