Platforms 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.

Analyst Expectations

• To perform prescribed activities in a timely manner and to a high standard consistently driving continuous improvement.
• Requires in-depth technical knowledge and experience in their assigned area of expertise
• Thorough understanding of the underlying principles and concepts within the area of expertise
• They lead and supervise a team, guiding and supporting professional development, allocating work requirements and coordinating team resources.
• 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 develop technical expertise in work area, acting as an advisor where appropriate.
• Will have an impact on the work of related teams within the area.
• Partner with other functions and business areas.
• Takes responsibility for end results of a team’s operational processing and activities.
• Escalate breaches of policies / procedure appropriately.
• Take responsibility for embedding new policies/ procedures adopted due to risk mitigation.
• Advise and influence decision making within own area of expertise.
• Take ownership for managing risk and strengthening controls in relation to the work you own or contribute to. Deliver your work and areas of responsibility in line with relevant rules, regulation and codes of conduct.
• Maintain and continually build an understanding of how own sub-function integrates with function, alongside knowledge of the organisations products, services and processes within the function.
• Demonstrate understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Make evaluative judgements based on the analysis of factual information, paying attention to detail.
• Resolve problems by identifying and selecting solutions through the application of acquired technical experience and will be guided by precedents.
• Guide and persuade team members and communicate complex / sensitive information.
• Act as contact point for stakeholders outside of the immediate function, while building a network of contacts outside team and external to the organisation.

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 - BA4

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.

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