26 to 37 of 37 API Design Jobs in London

Senior Application Security Engineer - DevSecOps & Cloud Security

Hiring Organisation
Additional Resources
Location
London, UK
Employment Type
Full-time
applications, platforms and deployment processes. This is not a traditional vulnerability management role, it is a hands-on Application Security role centred on secure design, CI/CD security, cloud-native technologies, Kubernetes, API security, code analysis, security-as-code and supporting development teams to build secure applications. … controls throughout CI/CD pipelines. Strengthening the security of GitHub Actions and comparable continuous integration and deployment platforms. Providing technical guidance on secure API design and protecting externally accessible systems. Supporting the security of Azure cloud infrastructure, including Azure Kubernetes Service (AKS).Assisting with the protection ...

Senior Application Security Engineer / DevSecOps Engineer

Hiring Organisation
Additional Resources
Location
London, United Kingdom
Employment Type
Permanent
teams to integrate security throughout the software development lifecycle. Microsoft Azure and KQL experience are essential , alongside relevant experience in CI/CD, Kubernetes, API security, security-as-code and security automation . This is a hands-on application security role focused on secure design, application security testing … Integrating security controls into CI/CD pipelines. Strengthening the security of GitHub Actions and similar CI/CD platforms. Providing guidance on secure API design and externally accessible systems. Supporting Azure cloud infrastructure, including Azure Kubernetes Service (AKS). Developing security-as-code and policy-as-code. ...

Senior Software Developer - Wise Platform

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
work: We're a small team that ships frequently and iterates on real partner feedback. Engineers own features from technical discovery and design through to production support. We work closely with our PM and designer to understand partner needs, and with adjacent teams (API Experience, Account Discovery … identity mapping between partner systems and Wise. The communication layer services between Wise and partners, extending them to handle new case types and workflows. API design for partner-facing endpoints. We care about consistency, documentation, and making them usable without hand-holding. Work with FinCrime, Compliance ...

Senior React & Node Developer (AI & Full Stack)

Hiring Organisation
Infused Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
part of a small, highly experienced engineering team responsible for transforming ambitious ideas into production-ready software. Working closely with Product, Design and AI specialists, you'll take concepts from whiteboard sketches through to prototypes, proof of concepts, MVPs and ultimately scalable products. If you enjoy solving complex problems … frontend development, backend engineering and cloud technologies to rapidly build and validate new AI-powered products. You'll be heavily involved in architecture, technical design and proof-of-concept development, collaborating directly with stakeholders to transform ideas into working software. This is a hands-on engineering role where ...

Senior Backend Developer (Java / Spring Boot / AWS)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Java and Spring Boot Deploy and support services on AWS (e.g. ECS/EKS, Lambda, RDS, DynamoDB, SQS/SNS) Own services from design through to production support Maintain CI/CD pipelines and infrastructure as code (Terraform, CloudFormation or CDK) Review code and contribute to architecture decisions Essential … skills: Commercial experience with Java 21 and Spring Boot Building and running applications on AWS Microservices and API design Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people ...

Scala Developer

Hiring Organisation
SF Partners Admin
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
following key skills: - At least three years commercial scala programming - Strong framework experience (Akka, Play etc) - Relational database experience - PostgreSQL - MongoDB, NoSQL - RESTful API design and integration experience - Solid unit test understanding - Spec2, scalaTest etc - Experience working in a TDD/BDD driven environment - Containerization experience - Docker, Kubernetes … well-established friendly team then please apply now to be considered and for further details. Scala Developer Up to £85,000 Scala, REST Api, NoSQL, TDD/BDD, functional programming, CI/CD, Play, Akka ...

Lead Software Engineer, Team Lead

Hiring Organisation
Marsh & McLennan Companies
Location
London, UK
Employment Type
Full-time
products (e.g., Concierge an agentic AI workflow tool, Prism a Mercer knowledge fabric for scheme data, and similar initiatives), from problem framing and design through build, release, and support. Translate risk advisory/consulting needs into clear technical requirements, user stories, and solution designs; partner with stakeholders through … Proven experience as a Tech Lead/Lead Engineer delivering production software, including hands-on coding and code review ownership. Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications. Experience working directly with business stakeholders in a financial firm, with ...

Senior Backend Developer - Architecture, Data Modelling

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £900/day £800-900 per day via Umbrella
with substantial hands-on responsibility rather than purely architectural oversight. Strong backend and database skills . Production experience with TypeScript/JavaScript and Node.js , API design, asynchronous programming, SQL and relational data modelling. Evidence of performance improvement. Practical experience profiling applications, diagnosing bottlenecks and reducing ...

Senior iOS Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£498 - £664/day
partners across product, legal, policy, and design. What We're Looking For 8+ years of professional iOS development experience with modern Swift and Cocoa design patterns. Agentic workflow adoption: Hands-on experience integrating tools like Cursor and Claude into daily engineering. Platform & API design: Proven track record ...

Cloud Engineer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Cloud Engineer to join a specialist engineering team delivering secure, mission-critical technology for UK National Security customers. The role offers the chance to design, develop, deploy and maintain cloud-native applications and services on Amazon Web Services (AWS), supporting systems that contribute to the UK's national security … takes ownership of the full software delivery lifecycle and wants to apply their technical skills to work with a meaningful national impact. Key Responsibilities Design, develop, deploy and maintain cloud-based applications and services using AWS. Build secure, scalable and resilient cloud solutions that support critical National Security customer ...

AWS Cloud Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
opportunity to take ownership of technical solutions, work across the full delivery lifecycle and contribute to projects with real-world impact. Key Responsibilities Design, develop and maintain cloud-based applications and services using AWS. Configure and manage AWS infrastructure to deliver secure, scalable and reliable solutions. Apply infrastructure … languages. Work with AWS services to support compute, storage, networking, security and application integration. Contribute to the full software delivery lifecycle, from requirements and design through to deployment and ongoing support. Apply DevOps principles to automate deployments, improve reliability and streamline engineering workflows. Collaborate with technical colleagues and stakeholders ...

AWS Cloud Engineer

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£70,000
working with modern cloud technologies, and contributing throughout the full software delivery lifecycle. The successful candidate will work within an autonomous DevOps team, helping design, develop, deploy, and maintain cloud applications and services that support critical operational requirements. They'll have the opportunity to influence technical decisions, explore … . They'll be part of a collaborative engineering environment that encourages innovation, continuous improvement, and the adoption of modern DevOps practices. Key Responsibilities Design, develop, deploy, and maintain cloud-based applications and services using AWS. Build and manage cloud infrastructure using Infrastructure as Code (IaC) tools. Identify appropriate ...