City of London, London, United Kingdom Hybrid / WFH Options
I3 Resourcing Limited
and integration design , including microservices architecture and API lifecycle management . Proficiency in Microsoft Azure services: API Management, Service Bus, Logic Apps, Azure Functions WebApps, Storage, Networking, Security (RBAC, OAuth, SAML) Solid software development experience with: C# (.NET/.NET Core) REST APIs, SQL Server (T-SQL), HTML/CSS/JavaScript/React, Python Comfortable with tools like Azure More ❯
re Looking For Security Cleared or Clearable Strong stakeholder engagement and communication skills Proven experience with Apigee Edge & X Hands-on with AWS microservices architecture Skilled in API security (OAuth, JWT, API keys) Experience with distributed systems and enterprise-grade apps Familiarity with API design patterns and performance optimisation Interested? Apply now or send your latest CV to (see below More ❯
Search/vector stores ). Strong TypeScript/JavaScript or .NET (Python a plus) for building APIs/microservices that feed copilots. Solid understanding of Entra ID (Azure AD) , OAuth/Graph permissions, enterprise security and tenancy considerations. Comfort with GitHub Copilot , CI/CD (GitHub Actions/Azure DevOps), and environment promotion. Excellent stakeholder skills; able to translate business More ❯
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 with high-throughput messaging or streaming More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
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 with high-throughput messaging or streaming More ❯
Edinburgh, Midlothian, United Kingdom Hybrid / WFH Options
Aberdeen
developer with strong Microsoft Azure skills, including Storage, Networking, App Services, Key Vault, and Scripting with Azure CLI. Proficient in C#, SQL, PowerShell, and familiar with APIs like OpenAPI, OAuth, and GraphQL. Strong problem-solving skills, proactive, and committed to building reliable, secure, and maintainable systems. Good understanding of security, compliance, and agile delivery practices. Passionate about learning new technologies More ❯
City of London, London, United Kingdom Hybrid / WFH Options
ECS
ECS, ECR, Fargate), Python, Node.js, and Docker Skilled in infrastructure-as-code (Terraform, Ansible) and CI/CD pipelines using Azure DevOps Strong grasp of distributed systems, API security (OAuth, API keys, JWT), and Apigee/APIM platforms Experienced in building enterprise applications, designing scalable APIs, and generating custom analytics SC Cleared (essential) Please note, due to internal capabilities it More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting Limited
systems, microservices architecture, and API design. Security & Compliance ? A deep and demonstrable security-first mindset. ? Hands-on experience implementing security best practices at the application layer, including authentication (e.g., OAuth 2.0, JWT), authorization (RBAC), and data encryption. ? Experience in securely handling and storing sensitive user data (PII). This is a permanent position with hybrid working of two days a More ❯
systems, microservices architecture, and API design. Security & Compliance A deep and demonstrable security-first mindset. Hands-on experience implementing security best practices at the application layer, including authentication (eg, OAuth 2.0, JWT), authorization (RBAC), and data encryption. Experience in securely handling and storing sensitive user data (PII). This is a permanent position with hybrid working of two days a More ❯
Fareham, Hampshire, South East, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
Experience working in multi-disciplinary technical teams; Experience of Atlassian tools (e.g. BitBucket, Bamboo, Jira, Confluence); Knowledge of Integration testing Toole ( e.g. Postman); Knowledge of Authentication/Authorization tokenization (OAuthMore ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Corriculo Ltd
ASP.NET Core Hands-on experience using the Microsoft Graph API Background in Microsoft Teams development, and a familiarity with the Microsoft 365 environment Knowledge of Azure AD, authentication protocols (OAuth 2.0), and RESTful APIs Experience working with JSON, webhooks, or event-driven architectures is a plus What Next? If you’re an experienced C# Developer with Microsoft Teams integration experience More ❯
london, south east england, united kingdom Hybrid / WFH Options
InfoSec People Ltd
across the full lifecycle. What you'll bring 3+ years' commercial engineering. Hands-on AWS Serverless (Lambda, API Gateway, CloudWatch) and microservices. Experience with AWS Amplify. Strong API security (OAuth/JWT) and SQL/MySQL query optimisation. Version control with Git and modern team workflows. Why apply Up to £80k base + share options. 25 days' holiday + bank More ❯
the full lifecycle. What you’ll bring 3+ years’ commercial Node.js engineering. Hands-on AWS Serverless (Lambda, API Gateway, CloudWatch) and microservices. Experience with AWS Amplify. Strong API security (OAuth/JWT) and SQL/MySQL query optimisation. Version control with Git and modern team workflows. Why apply Up to £80k base + share options. 25 days’ holiday + bank More ❯
City of London, London, United Kingdom Hybrid / WFH Options
InfoSec People Ltd
the full lifecycle. What you’ll bring 3+ years’ commercial Node.js engineering. Hands-on AWS Serverless (Lambda, API Gateway, CloudWatch) and microservices. Experience with AWS Amplify. Strong API security (OAuth/JWT) and SQL/MySQL query optimisation. Version control with Git and modern team workflows. Why apply Up to £80k base + share options. 25 days’ holiday + bank More ❯
automation Bonus Skills Experience with Cloud products, Kubernetes or other orchestration tools API management experience Open source contributions Experience with React performance tooling Knowledge of authentication/authorization flows (OAuth/OIDC) Here's why you should join us: Everyone has unlimited paid holiday. We have total flexibility in hours, as we believe creativity flows better when our people are More ❯
London, England, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality, monitored deployments What you bring 5+ years More ❯
london, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality, monitored deployments What you bring 5+ years More ❯
slough, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality, monitored deployments What you bring 5+ years More ❯
for customer reasons. Help drive DevOps maturity: automate deployments, and monitor systems. Collaborate with stakeholders to influence product direction and operational strategies. Company Tech Stack: Backend: PHP (Laravel) APIs (OAuth) WebSockets Node.js (used in Electron apps) Frontend: PHP server-side rendering (Laravel Blade), Vue.js, Bootstrap, JavaScript Databases: MySQL (RDS), MSSQL Redis (ElasticCache) Heavy data compliance: audit logging, long-term data More ❯
