101 to 121 of 121 REST Jobs in the City of London

user requests. Architect and optimize data processing pipelines and application logic for massive streams of real-time location, temperature, and sensor data. Develop robust, well-documented, and performant APIs (REST/GraphQL/gRPC) that power both our customer-facing platform and third-party logistics integrations. Ensure the application layer can scale seamlessly and cost-effectively from startup to enterprise … Node.js/Python skills with deep, hands-on understanding of designing and implementing high-scale distributed systems. API Design: Proven track record designing, implementing, and optimizing production-grade APIs (REST/GraphQL) for both internal and external consumption. Data Systems: Experience with optimizing database queries and schema design for both relational (PostgreSQL, MySQL) and NoSQL/Time-Series databases (e.g. More ❯

A background as a Business Analyst is preferred. Experience in workforce management, scheduling, HR tech, optimisation domains, AI/ML productisation, LLM integration, MLOps, or enterprise integration standards (ETL, REST APIs, webhooks, event streaming) is a bonus. At the centre of the company’s culture is freedom and openness which takes a lot of people by surprise. But the good More ❯

and/or architecture experience in the fundamental Cloud Security Domains - Governance, Risk and Control (GRC), Identity and Access Management, Cloud Network and Compute Infrastructure Security, Data Protection (at-rest/in-transit), Workload Security, SIEM, Logging and Monitoring. Experience with Cloud Security Frameworks e.g. AWS Well-Architected, Google Cloud Security Foundations, and/or Open Architecture Frameworks e.g. TOGAF. … Query Language, and Monitoring Query Language. Cloud Security Policy Engineering and Testing - create cloud security policy, engineer it, test it and deploy it. Experience Workload Coding Languages & Frameworks - JAVA REST services with Spring, Python, .NET, etc. Threat Modelling Skills with tools such as IriusRisk or similar; experienced at identifying security flaws in cloud solutions via architectural assessment and threat modelling. … Cloud Security Assurance. Strong engineering and/or architecture experience in the fundamental Cloud Security Domains - Identity and Access Management, Cloud Network and Compute Infrastructure Security, Data Protection (at-rest/in-transit), Workload Security, SIEM, Logging and Monitoring. In depth knowledge of various Cloud Models - IaaS, PaaS, SaaS, hybrid and multi-cloud models. Familiar with common industry cloud providers More ❯

with strengths in most of the following areas: Essential Experience delivering integration microservices using MuleSoft best practices. Proven ability to write clean, maintainable code following SOLID principles. Designing RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing … the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and database connectors. Using MUnit and practising test-driven development. Experience with REST, HTTP, MQ, JSON, XML, and SOA. Familiarity with CI/CD pipelines (Maven, Jenkins, Bitbucket, Git, MuleSoft). Desirable Experience working in consulting or public sector environments. Experience as a More ❯

define testable architectures and embed quality throughout the SDLC. Create and execute advanced test strategies for embedded platforms (Linux, Android, IoT). Develop test plans and protocols for APIs (REST, IPC), web interfaces, and OTA updates. Integrate automated testing into CI/CD pipelines (Jenkins, GitHub Actions, Azure DevOps). Support manual testing activities when required and promote automation best … with test automation frameworks (e.g., PyTest, Selenium, Appium, or equivalent). Familiarity with Linux , real-time systems , and interprocess communication (IPC) . Experience testing: Device OS (Android, Linux) APIs (REST, IPC) and service-oriented architectures Web-based interfaces and Internet-connected devices Video data or streaming systems (advantageous) Knowledge of CI/CD pipelines and version control systems (Git). More ❯

Python Developer - Python, Django, REST API's, AWS, JavaScript OB are partnered with a Global Financial Services company, who are looking to add a highly skilled Python Developer to their team. In this role, you'll be working their Python backend systems, developing new features and collaborating with different teams, to ensure product goals are met. Python Developer - Python, Django … REST API's, AWS, JavaScript Key Skills and Experience: Strong knowledge of Python Experience with Python frameworks (Django preferred) PostgreSQL REST API'S Docker Cloud experience (AWS preferred) Knowledge of Frontend Technologies (JavaScript, HTML, CSS) This is a hybrid role with 2-3 days a week required in a London based office Base salary of £75k-£90k depending on skills … and experience To be considered, you must be UK based Python Developer - Python, Django, REST API's, AWS, JavaScript More ❯

Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility: 1–3 days per week in the London office , balance the rest remotely. Be part of a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building … applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development . Supporting and More ❯

Python Developer - Python, Django, REST API's, AWS, JavaScript OB are partnered with a Global Financial Services company, who are looking to add a highly skilled Python Developer to their team. In this role, you'll be working their Python backend systems, developing new features and collaborating with different teams, to ensure product goals are met. Python Developer - Python, Django … REST API's, AWS, JavaScript Key Skills and Experience: Strong knowledge of Python Experience with Python frameworks (Django preferred) PostgreSQL REST API'S Docker Cloud experience (AWS preferred) Knowledge of Frontend Technologies (JavaScript, HTML, CSS) This is a hybrid role with 2-3 days a week required in a London based office Base salary of £75k-£90k depending on skills … and experience To be considered, you must be UK based Python Developer - Python, Django, REST API's, AWS, JavaScript More ❯

be working in a modern, cloud-hosted environment using AWS and microservices architecture . Tech Stack Backend: Golang (Go) Frontend: React, TailwindCSS Hosting/Infrastructure: AWS (microservices architecture) Other: REST APIs, CI/CD pipelines, version control (Git), Jira, agile delivery Relational databases: PostgreSQL, MySQL Key responsibilities of the Full-Stack Developer Outside of IR35 Develop and extend backend services … key modules including: Client & Supplier Onboarding Flows Waste Reporting Module Scheduler for Recurring Events Customer Portal API Integration Rebate Management System Ensure seamless data integration between services via secure REST APIs. Deploy, test, and optimise services within the AWS environment. The Full-Stack Developer role in initially a 2-week contract role with potential extension. This role will be fully More ❯

Equities, Credit, Rates and central Risk teams; translate data-flow headaches into buildable tech projects. Prototype at pace in Python—leveraging LLM co-pilots—to stand-up analytics services, REST APIs and lightweight Dash/React front-ends. Own the full stack: data ingestion (SQL, files, feeds), business logic, web/UI, CI pipelines and Linux deployment. Codify best practice … comms flowing. You in a nutshell 5 + years building production-grade Python systems for data-heavy businesses; comfortable with tests, version control and optimisation. Confident SQL , exposure to REST and messaging (Rabbit, Kafka, etc.), and enough Linux to troubleshoot on the command line. UI chops in Dash, Flask or React to whip up proof-of-concept dashboards. Solid grounding More ❯

Work With Cloud-native infrastructure (Kubernetes, Helm, Terraform, GitOps/Argo CD, Vault/HSM) Platform services (API Gateway, RBAC/SSO, rate limiting, policy enforcement) Event-driven integration (REST/gRPC, idempotency, NATS JetStream and/or Kafka) Observability stacks (OpenTelemetry, Prometheus, Loki, alerting/runbooks) Multi-region resilience (traffic steering, failover, DR testing) Data & storage (PostgreSQL/Distributed … Requirements Must-Have 7+ years leading complex solution/design work for platform or product ecosystems (SaaS/PaaS). Hands-on depth with cloud-native microservices, API design (REST/gRPC), and eventing. Proven delivery of security-by-design and multi-region resilience patterns at scale. Fluency in CI/CD and operability (GitOps, infrastructure as code, SLOs/ More ❯

to continued growth, we have a great opportunity available for a Senior Salesforce Developer to join a dedicated Salesforce team and help modernise how their platform connects with the rest of the global infrastructure/platforms. In summary, this is a unique opportunity to redefine how Salesforce powers this global business. In the words of the Salesforce Leader, day-to … to design end-to-end Salesforce solutions that scale, maintain performance, and ensure data integrity. Experience integrating Salesforce with third-party platforms (e.g., CPQ, marketing automation, billing systems) using REST/SOAP APIs and middleware tools. Familiar with modern Salesforce DevOps practices — including Git-based version control, automated deployments, and testing frameworks. Strong understanding of data modelling, governance, and reporting More ❯

processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs). Knowledge of (or deep, demonstrable curiosity about) telecommunications protocols and architectures. You must be comfortable talking to network engineers. Experience … throughput messaging or streaming platforms (e.g., Kafka, Pulsar). This is a permanent position with hybrid working of two days a week in the central London office and the rest WFH. The salary is very much dependant on experience with a guide between £130k-£160K basic + package. More ❯

processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding of API design (REST, gRPC, Webhooks) and API security (OAuth 2.0, mTLS, JWTs). Knowledge of (or deep, demonstrable curiosity about) telecommunications protocols and architectures. You must be comfortable talking to network engineers. Experience … throughput messaging or streaming platforms (e.g., Kafka, Pulsar). This is a permanent position with hybrid working of two days a week in the central London office and the rest WFH. The salary is very much dependant on experience with a guide between £13k-£160K basic + bonus + package More ❯

Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯

Responsibilities Hands-on expertise in Salesforce Cloud (Sales, Service, marketing, or experience). Knowledge/Experience in Agentforce Proficiency in SQL, AMPscript, SSJS, HTML, CSS, JavaScript. Experience working with REST and SOAP APIs (WSProxy or other server-side programming languages is a plus). Essential Skills & Experience Experience with Salesforce Cloud. Proficient in SQL, Ampscript, SSJS, HTML, CSS, and Javascript. … Familiarity with REST API. Preferred Certifications Salesforce Developer Agentforce (bonus) If you're passionate about Salesforce Cloud and want to join a consultancy that's scaling quickly with ambitious growth plans, we'd love to hear from you! Apply now to be part of this exciting journey. More ❯

Software Engineering Manager - Java, AWS, MySQL, NoSql, REST APIs, Microservices, Artificial intelligence (Hybrid) Description for the Software Engineering Manager role:- You will be joining a fast-growing, small to medium sized Saas Company based in London. The Software Engineering Manager will be managing a very bright, talented team of engineers and working closely with the founder and Head of Product … for the Software Engineering Manager will depend on experience, but expect between £110,000 and £130,000 + Pension + competitve benefits Software Engineering Manager - Java, AWS, MySQL, NoSql, REST APIs, Microservices, Artificial intelligence (Hybrid) Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯

Back End Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Remote or Hybrid - You choose!) Back End Engineer:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track record of building things that others have ruled out … poker nights, board-games etc.) The latest tech, generous annual leave and an amazing office with a balcony overlooking Notting Hill. Back End Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Remote or Hybrid - You choose!) Applicants must have the right to work in the UK, no sponsorship is offered for this role More ❯

Security Orchestration, Automation & Response (SOAR) Engineer | Palo Alto Cortex XSOAR, Python, Rest API's, Linux & Windows | Up to £1000 Inside | 2 Days p/week in London We are seeking an experienced Security Orchestration, Automation & Response (SOAR) Engineer to strengthen cyber threat detection and automation capabilities within a leading financial organisation. This role combines hands-on technical expertise with strategic … of threat detection and response engineering Familiarity with MITRE ATT&CK framework Proficiency in Python for automation and integration development Experience with query languages (KQL or similar) Understanding of REST APIs and ability to develop and consume them Experience working in Azure environments Strong background in Windows, Linux, and macOS administration Security Orchestration, Automation & Response (SOAR) Engineer | Palo Alto Cortex … XSOAR, Python, Rest API's, Linux & Windows | Up to £1000 Inside | 2 Days p/week in London More ❯

Python Developer | Contract (Outside IR35) | Up to £425p/d | Python, Django, REST APIs We have several urgent Python contract roles (outside IR35) available to work for an award-winning FinTech Scale up, they operate out of the automotive industry working as a digital payments and insight platform across the UK and Europe. They have just raised over £75 million … in series B funding! Requirements: Must have strong Python and Django Solid experience with REST APIs SQL databases and high-performance data systems Location: London or Sheffield (2 days per week on-site) Start: ASAP Rate: Up to £425 per day, Outside IR35 If you are interested in this role, please apply directly or email your CV to jonah.brookes@oliverbernard.com … Python Developer | Contract (Outside IR35) | Up to £425p/d | Python, Django, REST APIs More ❯

Backend Engineer | Contract (Outside IR35) | Up to £425p/d | Python, Django, REST APIs We have several urgent Python contract roles (outside IR35) available to work for an award-winning FinTech Scale up, they operate out of the automotive industry working as a digital payments and insight platform across the UK and Europe. They have just raised over £75 million … in series B funding! Requirements: Must have strong Python and Django Solid experience with REST APIs SQL databases and high-performance data systems Location: London or Sheffield (2 days per week on-site) Start: ASAP Rate: Up to £425 per day, Outside IR35 If you are interested in this role, please apply directly or email your CV to jonah.brookes@oliverbernard.com … Backend Engineer | Contract (Outside IR35) | Up to £425p/d | Python, Django, REST APIs More ❯