London, South East, England, United Kingdom Hybrid / WFH Options
Evermore Global
real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy regulations. More ❯
Employment Type: Full-Time
Salary: £78,000 - £84,000 per annum, Negotiable, Pro-rata
About the Role: We are seeking an experienced and visionary Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to lead the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen More ❯
About the Role: We are seeking an experienced and visionary Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to lead the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen More ❯
patterns (EIP) Experience with DataWeave , MUnit (testing), and API Gateway Proficiency in designing RAML specifications Experience integrating with REST, SOAP, JDBC, JMS, FTP, and SaaS platforms Familiarity with OAuth2, JWT, SAML , and other authentication mechanisms Knowledge of CI/CD tools and DevOps practices Strong communication and documentation skills Preferred Qualifications: MuleSoft Certified Developer (Level 1 or 2) Experience with More ❯
Postman, Stoplight). Familiarity with API management platforms (e.g., Apigee, Azure API Management, AWS API Gateway). Understanding of HTTP methods, response codes, and common API security practices (OAuth, JWT, etc.). Excellent communication skills to interact with both business users and technical teams. Experience working with SDLC tools like Jira , Confluence , Git , and CI/CD pipelines is a More ❯
Thorough understanding of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSONWebToken Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand More ❯
with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) . Cloud & DevOps: Experience with AWS services (Lambda, S3, Cognito, RDS) and containerization (Docker, Kubernetes). Security & Compliance: Familiarity with OAuth, JWT, HIPAA/GDPR compliance. Join a purpose-driven startup focused on improving patient outcomes. Collaborate with experts in healthcare, neuroscience, game design, and technology. Make a meaningful impact on the More ❯
for the following experience: 5+ years' AWS integration experience, including secure deployments on Lambda and Kubernetes (EKS). Expertise in API design and security using API Gateway, OpenAPI, OAuth2, JWT, and service policies. Strong integration background with platforms like SAP, Salesforce, and Oracle ERP. Proficiency in Flask, FastAPI, or similar frameworks, deployed in cloud-native environments. Experience with event-driven More ❯
for the following experience: 5+ years' AWS integration experience, including secure deployments on Lambda and Kubernetes (EKS). Expertise in API design and security using API Gateway, OpenAPI, OAuth2, JWT, and service policies. Strong integration background with platforms like SAP, Salesforce, and Oracle ERP. Proficiency in Flask, FastAPI, or similar frameworks, deployed in cloud-native environments. Experience with event-driven More ❯
development. Hands-on experience with DataPower appliances. Development experience using XSLT, Gateway Script, and XPath. Knowledge of security integration patterns such as basic authentication, client authentication (MATLS), and OAuth (JWT). Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯
vanilla JavaScript/TypeScript Understanding of WebAssembly Deep understanding of web security issues Significant hands-on experience with React Experience at developing services (RESTful API) including strong authentication (using JWT, 3rd party identity provider, etc), ORM and SQL or NoSQL (document oriented) databases Commercial experience designing and building CI/CD, CDNs, RESTful APIs Strong experience writing easily testable code More ❯
North West London, London, United Kingdom Hybrid / WFH Options
ByteHire
Communicate clearly, seek clarification when needed. Navigate ambiguity and working with minimal supervision. Develop and maintain backend services using C# and .NET Core. Design and test REST APIs with JWT-based authentication (OAuth is desirable for the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build and manage WebSocket connections for real-time features. Build … in Linux-based production environments. Comfortable navigating ambiguity and working with minimal supervision. Strong SQL knowledge, with experience using PostgreSQL in live systems. REST API development experience; understanding of JWT and cookie-based auth. Familiarity with Docker and AWS services, from a developer perspective. Comfortable with WebSockets. Comfortable with building lightweight frontends in Blazor or similar. Strong communicator with a More ❯
west london, south east england, United Kingdom Hybrid / WFH Options
ByteHire
Communicate clearly, seek clarification when needed. Navigate ambiguity and working with minimal supervision. Develop and maintain backend services using C# and .NET Core. Design and test REST APIs with JWT-based authentication (OAuth is desirable for the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build and manage WebSocket connections for real-time features. Build … in Linux-based production environments. Comfortable navigating ambiguity and working with minimal supervision. Strong SQL knowledge, with experience using PostgreSQL in live systems. REST API development experience; understanding of JWT and cookie-based auth. Familiarity with Docker and AWS services, from a developer perspective. Comfortable with WebSockets. Comfortable with building lightweight frontends in Blazor or similar. Strong communicator with a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
LONDON IT TRAINING
protection manually and via frameworks · Securing file upload forms Day 4: Advanced Topics in PHP Security Topics Covered: · Secure API development (REST/GraphQL in PHP) · JSONWeb Tokens (JWT) – Secure usage · Secure error handling and logging · Rate limiting, CAPTCHA, and brute force protection · Using security headers (Content-Security-Policy, Strict-Transport-Security, etc.) Hands-On Labs: · Building and securing … a simple RESTful API · Implementing JWT authentication securely · Testing security headers with browser tools and scanners Day 5: Threat Modeling, Testing, and Final Project Topics Covered: · Threat modeling for PHP applications (STRIDE approach) · Tools for security testing: OWASP ZAP, Burp Suite (Intro) · Static analysis tools for PHP (e.g., SonarQube, PHPStan) · Secure deployment practices Final Project: · Team-based challenge: secure an More ❯
protection manually and via frameworks · Securing file upload forms Day 4: Advanced Topics in PHP Security Topics Covered: · Secure API development (REST/GraphQL in PHP) · JSONWeb Tokens (JWT) – Secure usage · Secure error handling and logging · Rate limiting, CAPTCHA, and brute force protection · Using security headers (Content-Security-Policy, Strict-Transport-Security, etc.) Hands-On Labs: · Building and securing … a simple RESTful API · Implementing JWT authentication securely · Testing security headers with browser tools and scanners Day 5: Threat Modeling, Testing, and Final Project Topics Covered: · Threat modeling for PHP applications (STRIDE approach) · Tools for security testing: OWASP ZAP, Burp Suite (Intro) · Static analysis tools for PHP (e.g., SonarQube, PHPStan) · Secure deployment practices Final Project: · Team-based challenge: secure an More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
experience with frameworks like Flask, FastAPI, and Django. Strong command orchestration tools (e.g. Prefect, Airflow), Docker, and AWS infrastructure (CDK, Terraform). Solid understanding of API services, authentication methods (JWT, SSO), and clear, pragmatic communication skills. Maintain, upgrade, and improve existing systems and custom ETL pipelines. Collaborate with developers, data scientists, and QA teams to enhance tooling, processes, and documentation. More ❯
colleagues to drive collaboration and alignment Understanding of networking concepts (TCP/IP, HTTP, routing, firewalls, TLS, VPNs) Understanding and experience of Authentication and Authorisation patterns (SAML, SCIM, OAuth, JWT, etc) and providers (e.g Okta, Auth0, AzureAD, etc) Good understanding and experience of interfaces and integration patterns (APIs, message queues, webhooks, SQL, etc) Bonus points: Experience working with insurance technology More ❯