Senior GenAI and Python Developer – AVP

Barclays•Jefferson, CO

23h•$120,000 - $175,000•Onsite

About The Position

Embark on a transformative journey as a Senior GenAI and Python Developer – AVP. At Barclays, our vision is clear –to redefine the future of banking and help craft innovative solutions. In this role, you will leverage your deep AWS expertise to help a large cross-functional team deliver multiple Generative AI solutions each year. These programs will have a direct impact on both end users and the business by reducing manual effort, streamlining workflows, and accelerating key processes. You will play a critical role in developing transformative AI technologies while gaining practical experience with some of the latest large language models available through AWS Bedrock.

Requirements

Practical development experience with Python 3.12+ and ample proficiency in LangChain, machine learning frameworks, the Amazon Bedrock SDK, and related AI/ML technologies
Extensive AWS experience, including services such as Amazon EKS, Amazon Bedrock, Knowledge Bases, CloudWatch, AgentCore, Strands SDK, Auto Scaling Groups, Load Balancers, API Gateway, Lambda, Step Functions, AWS Glue, PostgreSQL, and Amazon RD
Considerable experience developing and deploying FastAPI-based applications, with experience in frontend/client integration and API consumption patterns
Experience with observability and FinOps tools, such as Langfuse and Phoenix, to monitor, evaluate, and optimize GenAI application performance and costs
Experience designing and building Agentic RAG (Retrieval-Augmented Generation) solutions and multi-agent AI systems using industry-standard agentic AI frameworks and best practices

Nice To Haves

Experience working with Large Language Models (LLMs) on Amazon Bedrock, including application development, model integration, and orchestration using AWS SDKs and related services
Proven experience building and maintaining CI/CD pipelines to support automated testing, continuous integration, and deployment of applications to Kubernetes-based environments
Ample understanding of AI guardrails, governance, and security best practices, particularly when working with sensitive financial data and regulated datasets
Familiarity with GitLab and GitLab CI/CD for source control management, automated builds, and deployment workflows
Working knowledge of Helm charts, AWS CloudFormation, and infrastructure-as-code practices to enable scalable, repeatable, and seamless deployments to Amazon EKS environments

Responsibilities

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.
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.