API Software Engineer, AVP
Barclays
About the Role
We are seeking an experienced Software Engineer – API & Integration Platforms to design, develop, support, and enhance enterprise API and integration solutions that enable critical business capabilities. The role combines software engineering, API management, middleware development, platform reliability, observability, and operational support across cloud and on-premise environments. The successful candidate will be responsible for building and maintaining reliable, scalable, secure, and resilient integration platforms, while providing L2/L3 production support and driving automation, Site Reliability Engineering (SRE) practices, and continuous improvement initiatives. The role requires close collaboration with development, infrastructure, architecture, and operations teams to ensure high availability and operational excellence across API and integration services.
Key Responsibilities
- Design, develop, deploy, and support enterprise integration solutions using TIBCO BusinessWorks 5.x, TIBCO BusinessWorks 6.x, and TIBCO BusinessWorks Container Edition (BWCE).
- Develop, secure, publish, and manage APIs using Apigee Edge (Google Cloud Platform).
- Build and maintain RESTful APIs, microservices, and integration services aligned to enterprise standards.
- Develop solutions using Core Java, Python, and JavaScript to support integration, automation, and serverless processing requirements.
- Design and implement messaging and event-driven integrations using TIBCO EMS and IBM MQ.
- Build, deploy, and support containerized applications using Docker and Kubernetes.
- Provide L2/L3 support for APIs, middleware, integration platforms, and production applications, ensuring timely incident resolution and service restoration.
- Drive platform reliability through proactive monitoring, incident management, root cause analysis, and continuous service improvement.
- Implement observability best practices using Datadog, including dashboards, alerts, distributed tracing, log monitoring, and performance analysis.
- Manage SSL/TLS certificates and support certificate lifecycle activities including issuance, renewal, rotation, and troubleshooting across APIs, middleware, and platform components.
- Support CI/CD pipelines, build automation, and release management processes using Maven and DevOps best practices.
- Perform application performance tuning, capacity planning, and resiliency improvements.
- Collaborate with security, infrastructure, and architecture teams to ensure compliance with organizational standards and security requirements.
- Develop and maintain automated testing frameworks using Cucumber and Behaviour-Driven Development (BDD) methodologies.
- Participate in on-call support, major incident management, and production readiness activities.
Software Engineering
- Experience working within large-scale, complex, or long-lived mobile codebases.
- Strong understanding of software architecture, maintainability, and modern engineering practices.
- Strong advocate of clean, testable, and maintainable code.
- Experience balancing technical quality, operational stability, performance, and delivery objectives.
Leadership & Collaboration
- Comfortable providing technical guidance, code reviews, and architectural direction.
- Strong communication, stakeholder management, and influencing skills.
- Experience driving a culture of engineering excellence and continuous improvement.
- Excellent verbal and written communication skills.
- Strong stakeholder management and influencing capabilities.
- Strong analytical and critical thinking skills.
- Collaborative and inclusive leadership style.
- Customer-focused mindset with strong attention to quality.
Requirements & Tech Stack
Integration & Middleware
- TIBCO BusinessWorks 5.x
- TIBCO BusinessWorks 6.x
- TIBCO BusinessWorks Container Edition (BWCE)
- Enterprise Integration Patterns
- SOAP and REST-based Services
- XML, XSD, JSON, XPATH, XSLT
API Management
- Apigee Edge (Google Cloud)
- REST API Design and Development
- API Security (OAuth 2.0, JWT, API Keys, mTLS)
- API Lifecycle Management
- OpenAPI / Swagger
Programming & Scripting
- Core Java
- Python
- JavaScript
- Shell Scripting
Messaging Technologies
- TIBCO EMS
- IBM MQ
- Asynchronous Messaging
- Publish/Subscribe Architecture
- Event-Driven Design Patterns
Containerization & Platform Engineering
- Docker
- Kubernetes
- Container Orchestration
- Deployments, Services, Ingress, ConfigMaps, Secrets
- Containerized Application Troubleshooting
Observability & Monitoring
- Datadog
- Application Performance Monitoring (APM)
- Log Management and Analysis
- Distributed Tracing
- Dashboard and Alert Configuration
- Production Monitoring and Incident Response
DevOps & Release Management
- Maven
- CI/CD Pipelines
- Git
- Automated Build and Deployment Processes
- Release and Environment Management
- GITLAB
- Patching Activities
Security & Certificate Management
- SSL/TLS Certificate Management
- PKI Concepts
- Keystore and Truststore Management
- Certificate Renewal and Rotation
- Secure API Design and Implementation
Qualifications
- In-depth technical knowledge and experience in Terraform, Ansible, Jenkins, Shell script, Datadog, Python, API, Docker, containers, ECR, EKS, and GitLab.




