26 to 50 of 56 REST Jobs in the City of London

C# Developer

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
Required Skills & Experience Essential Expert-level development experience in C#/.NET Strong experience with SQL Server Proven experience working with service-based architectures (REST, gRPC, web technologies) Solid understanding of asynchronous programming and multithreading Experience with messaging middleware (e.g., IBM MQ or similar) Experience working with front office, trading ...

Application Engineer

Hiring Organisation
Comtecs
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
systems); experience with Sharepoint DMS would be fully acceptable here Solid understanding of core integration techniques utilising a range of the following skills SQL, REST APIs, Service Bus and C# (where applicable) Excellent vendor, stakeholder engagement, communication, training and documentation Experience of aspects of product ownership including roadmap development ...

Founding Engineer / Technical Lead

Hiring Organisation
Coburg Banks Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
transport technology Geospatial systems and location intelligence Technical Environment Experience across several of the following is valuable: Python, TypeScript, Go, Java, or similar REST APIs and distributed architectures AWS and cloud infrastructure PostgreSQL and data-intensive systems Docker, CI/CD, observability, and reliability engineering Third-party integrations and secure ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
similar task queues Experience working with event-driven architectures and messaging technologies such as Kafka, RabbitMQ or Azure Service Bus Strong understanding of REST APIs, microservices architecture and distributed systems design Cloud experience across Azure, AWS or GCP Experience with Docker, Kubernetes and containerised deployments Familiarity with CI/… Stack Python FastAPI/Flask/Django PostgreSQL Redis Celery Kafka/RabbitMQ/Azure Service Bus Docker Kubernetes Azure/AWS/GCP REST APIs Microservices Architecture CI/CD What's on Offer Opportunity to work on cutting-edge AI infrastructure and enterprise-scale systems Highly collaborative engineering ...

Lead Software Engineer

Hiring Organisation
Searchability®
Location
City of London, London, United Kingdom
full software development lifecycle. Key Responsibilities Design, develop and maintain scalable backend applications and APIs using Python. Build and support microservices architectures using REST, GraphQL and gRPC. Deploy, host and manage AI/ML models in production environments, ensuring reliability, scalability and performance. Integrate machine learning models into backend systems … equivalent cloud certifications. Tech Stack Languages & Frameworks Python FastAPI Flask Cloud & Infrastructure AWS Docker ECS Kubernetes Terraform CloudFormation Architecture Microservices Event-Driven Systems REST APIs GraphQL gRPC Databases PostgreSQL MySQL MongoDB DevOps & Monitoring GitHub Actions CI/CD Datadog CloudWatch Security JWT OAuth2 OpenID Connect Microsoft Entra ID What ...

Junior Python Developer

Hiring Organisation
Station
Location
City of London, London, United Kingdom
technical improvements across the platform. What they’re looking for Commercial experience with Python, ideally 1–3 years. Experience with backend development and REST APIs. Familiarity with frameworks such as Django, Flask, or FastAPI. Knowledge of SQL databases such as PostgreSQL or MySQL. Strong problem-solving skills and a willingness ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
with cross-functional teams Play a role in mentoring and coaching junior engineers What are they looking for: Experience in Java, Spring, microservices and REST APIs Good knowledge in front-end development either in Angular or other frontend technologies Experience with testing framework such as TDD Experience contributing ...

Network Automation Developer

Hiring Organisation
Certain Advantage
Location
City of London, London, 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. Does this sound like your next career move? Apply today. ...

Workday Technical Consultant

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
integration platform. Strong understanding of relational databases, data architecture, and downstream system impacts. Experience working with Web Services and APIs, including SOAP, REST, WSDL, and related standards. Strong technical expertise in XML and Java. Experience supporting interface technologies, networking, data warehousing, and performance optimisation. Proven ability to work with third ...

AI Engineer

Hiring Organisation
Xcede
Location
City of London, London, United Kingdom
experience with LLMs - prompt engineering, RAG, agents, LangChain, tool use Solid data instincts - SQL or equivalent, pipeline design, data modelling Comfortable working with APIs - REST, webhooks, OAuth, third-party integrations Self-directed - you ship, iterate, take ownership, and communicate clearly to non-technical stakeholders Some commercial experience - at least ...

Senior Business Analyst

Hiring Organisation
Tom & Co
Location
City of London, London, United Kingdom
marketing systems; Knowledge of Magento 2/Adobe Commerce or similar eCommerce platform (BigCommerce, Salesforce, Shopware, Shopify) highly desirable; Basic knowledge of SOAP/REST/GraphQL APIs and general API principles with the ability to interrogate them using tools such as Postman; Hands-on experience with AI tools ...

ServiceNow Developer | Inside IR35 | Active SC Required

Hiring Organisation
Akkodis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £600/day
delivery across ITSM, with strong exposure to ITOM (ideally incl. AIOps) Experience building and delivering end-to-end ServiceNow solutions Solid experience with integrations (REST/SOAP APIs, Integration Hub, etc.) Exposure to other ServiceNow modules (e.g. CSM, HRSD, IRM) would be highly beneficial Comfortable working in fast-paced delivery ...

Senior Android Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
trade-off management). Clean code practices. CI/CD automation pipelines (GitHub Actions, CircleCI, etc.). Best practices in consuming scalable mobile APIs (REST, HTTPS, etc.). Desirable Skills 👌 Experience working with Java. Experience with iOS development (helpful for flexibility with features and priorities). Currently speak, or learning ...

Professional Services Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
City of London, London, United Kingdom
business customers through the full lifecycle of onboarding, meeting timescale requirements Requirements: Experience of implementing & configuring bespoke customer SaaS products Demonstrate knowledge of using REST API for integrating SaaS platforms, familiar with JSON, XML & Webhooks Have financial Crime knowledge/experience as an analyst, investigator or similar in at least ...

Senior Network Architect - Cisco SDA, DNAC, ISE

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day (Inside IR35)
LLDs, with the ability to translate business and technical requirements into scalable network designs Working knowledge of network automation and programmability, like Python, REST APIs, Ansible, and Cisco DNAC APIs Confident engaging with stakeholders at all levels Nice to Have: Available immediately CCIE Enterprise Infrastructure Certification Hays Specialist Recruitment Limited ...

Solutions Engineer

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
product and engineering improvements Requirements 3+ years experience in Solutions Engineering, Implementation, Integration, or similar roles within SaaS or web environments Strong knowledge of REST APIs, HTTP, and SQL Experience working with complex system architectures and integrations Proven troubleshooting and debugging skills Familiarity with JavaScript preferred Degree in Comp ...

Cyber Solutions Architect

Hiring Organisation
Intec Select
Location
City of London, Greater London, UK
email and proxy security, virtualization (VMware, Nutanix), and CyberArk Strong technical skills in SQL, Oracle, Linux, PowerShell, AD, LDAP, and API integrations (REST/SOAP, Ansible) Familiarity with CIS compliance, system hardening, and automation tools. Desirable: Experience with SaaS migrations, cloud-native security, and DevSecOps practices Relevant certifications (e.g., CCSP ...

Senior Presales Consultant

Hiring Organisation
Salt
Location
City of London, Greater London, UK
influence roadmap and feature development. Key Requirements Extensive experience in presales or solutions engineering roles, ideally within fintech or payments. Strong working knowledge of REST APIs, SWIFT, and local/global payment networks. Proven ability to close commercial deals via consultative and solution-led sales approaches. Strong written and verbal ...

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 ...

Oracle MFCS Solution Architect/Functional Architect

Hiring Organisation
Square One Resources
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
enterprise integration programs, cloud migrations, and platform upgrades. Strong functional expertise across MFCS, IMCS, POM, RIHA, RICS, RMS, SIM, ReSA, REIM, RIB, FTS, and REST-based integrations If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding ...

Application Administrator (SC Cleared)

Hiring Organisation
Zero Plus Ltd
Location
City of London, Greater London, UK
patch and release governance within ITIL frameworks. Familiarity with Windows 10/11, macOS, iOS, and Android environments. Scripting or automation experience (PowerShell, REST API, Bash). Excellent stakeholder skills – confident engaging vendors, IT Security, and end-user teams. Active SC clearance (essential). Why join Zero Plus Purpose-driven ...

Java Software Engineer

Hiring Organisation
Sanderson
Location
City of London, London, United Kingdom
over engineering standards, product direction, and architecture Key Responsibilities Full Stack Development Design and build full-stack applications using Java and Angular Develop scalable REST APIs and microservices Build workflow-driven applications on top of existing platforms Write clean, maintainable, and production-ready code Contribute to system design and architecture … code reviews and enforce engineering best practices Support continuous improvement of development processes and tooling Technical Requirments Strong Java development experience Spring BootMicroservices architecture REST API development Experience with Angular or modern frontend frameworks Containerisation experience (Docker, Kubernetes) Cloud platform exposure (Azure, AWS, or GCP) Preferred Experience workflow/ ...

Guidewire Technical Lead

Hiring Organisation
G.R.E. Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £600 to £650 per day
ClaimCenter, PolicyCenter, BillingCenter) - 8+ yrs exp working as a Guidewire Architect 2. Guidewire Technical Lead - 5+ yrs exp working as a Guidewire Lead Developer, REST/SOAP API's 3. Guidewire Lead Business Analyst - Guidewire XCenters (ClaimCenter, PolicyCenter, BillingCenter) - 6+ yrs exp working in a Guidewire XCenter BA role ...

Guidewire Technical Lead

Hiring Organisation
G.R.E. Recruitment Limited
Location
City of London, Greater London, UK
PolicyCenter, BillingCenter) - 8+ yrs exp working as a Guidewire Architect 2. Guidewire Technical Lead - xkybehq 5+ yrs exp working as a Guidewire Lead Developer, REST/SOAP API's 3. Guidewire Lead Business Analyst - Guidewire XCenters (ClaimCenter, PolicyCenter, BillingCenter) - 6+ yrs exp working in a Guidewire XCenter BA role ...

Java Software Engineer

Hiring Organisation
Michael Page
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
with industry standards and security protocols in all deliverables. Profile * Java development experience; strong Java 11+ command is non-negotiable. * Solid Spring Boot experience: REST APIs, Spring Security, Spring Data, Spring Cache. * Good understanding of microservices architecture, resilience patterns (Circuit Breaker, Retry, Bulkhead). * Experience with Camunda BPM or similar … DevOps). * Demonstrated hands-on exposure to at least one of: LLM API integration, vector databases, prompt engineering, or RAG pipeline construction * Familiarity with REST-based AI APIs (OpenAI, Anthropic, Google Vertex AI, or equivalent). * Basic understanding of embeddings, semantic search, and token-based context management. * Comfortable reading Python ...