API Infrastructure Engineer - BA4
Barclays · Posted Nov 4
Banking, credit card, corporate, investment banking, and wealth management services
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About the role
Barclays' infrastructure engineering function builds and maintains the platforms and products that support applications and data systems, with a focus on reliability, scalability and security. The role sits within API infrastructure engineering, working across cloud (AWS), containers (EKS/Docker), CI/CD automation, API gateways and integration platforms such as Apigee Edge and TIBCO. The engineer provides L2/L3 support, drives automation, SRE practices and release excellence, and collaborates with product, architecture, security, platform and QA teams while meeting enterprise risk, governance and regulatory requirements.
What you will do
- Build and deliver high-quality infrastructure solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
- Deep experience in infrastructure engineering activities, including IAC, automation, design governance and troubleshooting.
- Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
- Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
- To perform assigned activities in a timely manner and to a high standard consistently driving continuous improvement.
- Requires in-depth technical knowledge and experience in Skillset like Terraform, Ansible, Jenkins, Shell script, Datadog, python, API, docker, containers, ECR, EKS and GitLab.
- Build modern CI/CD pipelines, automated testing, security controls and release automation.
- Collaborate closely with Product Owner, Solution Architect, Security, Platform and QA teams to deliver integrated digital solutions.
- Ensure compliance with enterprise security, risk, governance and regulatory requirements.
- Support cross-platform initiatives through working knowledge of iOS development principles and mobile ecosystem standards.
- Foster a culture of collaboration, accountability, continuous improvement, and engineering excellence.
- Support recruitment, onboarding, and team growth initiatives.
- Strong advocate of clean, testable, and maintainable code.
Skills used in this role
What the employer is looking for
- Programming language python or Java
- Core Technical Skills: Apigee Edge (Google Cloud), Business works, TIBCO EMS and MQ.
- Technical Skills Terraform, Ansible, Jenkins, Shell script, Datadog, docker, containers, GitLab, Snyk, Qualys, Jira, Confluence, Datadog, Maven, Gradle, and NPM
- AWS cloud computing EC2, ECR, EKS, S3, Cloud Formation, networks
- Database design and SQL
- Operating System knowledge – Windows, Linux and awareness on AIX
- System design and architecture.
- Experience with OAuth 2.0, OpenID Connect, token exchange, policy systems, delegated administration, or identity data modelling
- Ability to use AI engineering tools to accelerate research, code understanding, prototyping, implementation, and documentation while applying sound engineering judgment
- Experience building production services, distributed systems, or shared platform capabilities
- Experience designing and implementing APIs, RESTful services, integration contracts, and data or domain models
- Experience turning requirements and ambiguous problems into designs, prototypes, and production-ready solutions
- Experience with authentication, authorization, and identity management
- Ability to communicate technical decisions clearly, collaborate across teams and time zones, and support other engineers through feedback and knowledge sharing
- Familiarity with MCP, agent skills, and other agent integration concepts
- Experience contributing to technical designs and proof of concept work
- Manage incidents, problems, and changes using ITIL-aligned processes and SLAs (e.g., ServiceNow/Jira).
- Plan and execute OS patching cycles; maintain compliance with security and audit requirements.
- Maintain comprehensive runbooks, knowledge base articles, and support documentation.
- Very good understanding and solid hands-on on cloud computing system preferably AWS.
- Strong understanding on containers and hands-on experience in EKS/Docker also ability to write and deploy Helm chart.
- Build, maintain, and optimize CI/CD pipelines (GitLab CI/CD, Jenkins, Nexus) to improve release velocity and quality.
- Hands-on experience in Blue-Green deployments and good understanding of various other deployment strategy.
Preferred qualifications
- JavaScript, Java, Cucumber, JUnit
Benefits and support
- Compensation and benefits are detailed in the job posting
About Barclays
Barclays is a British multinational universal bank that provides consumer, corporate, and investment banking, as well as wealth management services. Tracing its origins back to 1690 in London, the institution operates globally to serve millions of retail and institutional clients. The bank leverages cutting-edge technology and digital platforms to drive operational efficiency across its international network.
- Industry
- Banking
- Company size
- 93000+ employees
- Founded
- 1690
- Location
- London, United Kingdom
- Funding stage
- Public Company
Leadership
Group Chief Executive
Group Finance Director
Group Chief Operating Officer
Recent coverage
Reuters
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