API Software Engineer

Job Description

Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. 

Accountabilities

• Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
• Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
• Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
• 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.
• Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

Assistant Vice President Expectations

• To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.
• Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
• If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
• OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.
• Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
• Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
• Take ownership for managing risk and strengthening controls in relation to the work done.
• Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
• Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.
• Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
• Influence or convince stakeholders to achieve outcomes.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.

API : Software Engineer - AVP

Role Overview

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. 

• Requires in-depth technical knowledge and experience in Skillset like Terraform, Ansible, Jenkins, Shell script, Datadog, python, API, docker, containers, ECR, EKS and GitLab

• 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.

Key Technical Skills and Experience

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