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Lead Platform Engineer

New York, United States

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Key information

Date live: 12/18/2025

Business Area: Markets Pre Trade

Area of Expertise: Technology

Contract: Permanent

Reference Code: JR-0000079550

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It’s happening at Barclays.

Be a part of a place where challenges are measured in billions, qubits and nanoseconds. Build your career in an environment where we’re advancing machine learning, leveraging blockchains, and harnessing FinTech. Working in Barclays technology, you’ll reimagine possibilities: learning and innovating to solve the challenges ahead, delivering for millions of customers.
We are shaping the future of financial technology.
Why not join us and make it happen here?

Where will you be located?

Explore locations

Salary / Rate Minimum: $220,000

Salary / Rate Maximum: $300,000

The minimum and maximum salary/rate information above includes only base salary or base hourly rate. It does not include any another type of compensation or benefits that may be available.

Key Responsibilities

1. Global Front‑Office Success Engineering Leadership

  • Build and lead the global FO engineering success function across New York, London, and APAC users.
  • Build trusted relationships with Quants and Strats worldwide, understanding differing desk-specific needs.
  • Prioritize and manage work intake globally based on business impact and urgency.
  • Serve as the voice of FO users to influence platform roadmap and feature prioritization.

2. Hands-On Engineering & Troubleshooting

  • Write high-quality Python code for automation, integrations, internal utilities, and FO tooling.
  • Diagnose complex issues across cloud (AWS), distributed systems, Python stacks, notebooks, model pipelines, and APIs.
  • Deliver engineering solutions that reduce recurring FO friction and accelerate delivery.

3. AWS Engineering Support

  • Guide global front-office teams on secure and scalable usage of AWS services such as:
    S3, IAM, Lambda, ECS/EKS, Step Functions, CloudWatch, Glue, and CDK/CloudFormation.
  • Provide hands-on help with debugging, deployment, permissions, networking, and performance.

4. AI/ML Enablement

  • Help global FO teams onboard onto platform AI features such as inference gateways, embeddings, evaluation tools, and tracing.
  • Provide guidance on AI/ML concepts:
    model inference, RAG, embeddings, vector stores, latency optimisation, guardrails.
  • Support adoption of tools such as LiteLLM, MLflow, Langfuse, Mem0, Databricks, SageMaker, and Observe.

5. Developer Experience & Operational Excellence

  • Establish global support processes, workflows, and standards.
  • Identify patterns in recurring issues and partner with platform engineering to eliminate them via features or automation.
  • Develop and maintain documentation, onboarding guides, and best practices tailored for FO developers.
  • Drive proactive monitoring of systems impacting FO teams.

6. Leadership & Mentorship

  • Lead and mentor a small team of engineers focused on FO success.
  • Set strong engineering standards for code quality, reliability, and FO responsiveness.
  • Promote a culture of collaboration, empathy, accountability, and excellence.

7. Governance & Risk Management

  • Ensure all FO support and deployment workflows comply with governance, model controls, and data privacy requirements.
  • Promote secure-by-default patterns across global FO usage.
  • Help enforce model governance standards and audit requirements.

Required Skills & Experience

  • Strong Python engineering experience (backend, tooling, automation, debugging).
  • Hands-on expertise with AWS: IAM, S3, Lambda, ECS/EKS, Step Functions, CloudWatch.
  • Proven experience working with Quants, Strats, or front‑office engineering teams.
  • Solid understanding of AI/ML concepts (inference, vector search, embeddings, RAG, evaluation).
  • Strong debugging abilities across cloud infra, Python environments, containers, and pipelines.
  • Excellent communication and stakeholder management skills in high-pressure FO environments.
  • Experience leading a technical team or owning a global-facing engineering function.

Desirable Skills

  • Familiarity with tools such as LiteLLM, MLflow, Databricks, SageMaker, Langfuse, Observe, Mem0.
  • Understanding of financial markets, derivatives, FO analytics workflows, or pricing/risk models.
  • Exposure to model governance, compliance, and data control frameworks.
  • Experience with Docker, ECS/EKS, and platform observability tooling.
  • Experience improving developer productivity or reliability at scale.

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.

Director Expectations

  • Provide expert advice to senior functional management and committees to influence decisions made outside of own function, offering significant input to function wide strategic initiatives.
  • Manage, coordinate and enable resourcing, budgeting and policy creation for a significant sub-function.
  • Escalates breaches of policies / procedure appropriately.
  • Foster and guide compliance, ensure regulations are observed that relevant processes in place to facilitate adherence.
  • Focus on the external environment, regulators, or advocacy groups to both monitor and influence on behalf of Barclays, when appropriate.
  • Demonstrate extensive knowledge of how the function integrates with the business division / Group to achieve the overall business objectives.
  • Maintain broad and comprehensive knowledge of industry theories and practices within own discipline alongside up-to-date relevant sector / functional knowledge, and insight into external market developments / initiatives.
  • Use interpretative thinking and advanced analytical skills to solve problems and design solutions in often complex/ sensitive situations.
  • Exercise management authority to make significant decisions and certain strategic decisions or recommendations within own area.
  • Negotiate with and influence stakeholders at a senior level both internally and externally.
  • Act as principal contact point for key clients and counterparts in other functions/ businesses divisions.
  • Mandated as a spokesperson for the function and business division.

All Senior 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.

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.

Barclays welcomes applications from all candidates and is committed to ensuring reasonable adjustments (accommodations) are put in place to allow for a fair and inclusive recruitment process. For more information and how to request one, please review Adjustments to the recruitment process.

We’re a global, vital and highly respected financial organisation with an inspiring Purpose. Operating in 39 countries and employing around 100,000 people across the world, we help communities, individuals and businesses thrive. And we’ve created financial solutions and technology that the world now takes for granted. A career with us can offer incredible variety, depth and breadth of experience, and the chance to learn from some of the best minds in technology and finance.

To find out more about Barclays' strategy please click here.

We are an equal opportunity employer and opposed to discrimination on any grounds. It is the policy of Barclays to ensure equal employment opportunity without discrimination or harassment on the basis of race, colour, creed, religion, national origin, alienage or citizenship status, age, sex, sexual orientation, gender identity or expression, marital or domestic/civil partnership status, disability, veteran status, genetic information, or any other basis protected by law.

Barclays is required by law to confirm that you have the Legal Right to Work in any role that you apply for. If you currently hold a work visa sponsored by Barclays, or you would require sponsorship from Barclays, you must declare this as part of your application. Sponsored visas are role and entity specific and any changes must be reviewed. It is important that you ensure you are working on the correct visa at all times. Failure to accurately disclose your visa status or Legal Right to Work may result in your application or any employment offer being withdrawn at any time.

Who succeeds in
Tech at Barclays?

For a career with us, you need to be prepared to take big steps forward, curious to face the challenges ahead, and driven to focus on the outcomes. We need people with the Barclays mindset to make it happen here.

Qualities we look for:motivator, supporter, connector, driver, communicator, transformer, maker, observer

What you'll get in return

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Our technology

Supporting our 48 million customers and clients worldwide takes a lot of forward thinking. It means harnessing technology to support the economy. It means making a difference to people’s lives. And it requires the maintenance and development of a global, technological infrastructure. At Barclays, technology helps us keep transactions moving, manages data, and protects our customers. Join a world where your work creates unique moments of impact. Make it happen here.

This is Barclays New York

New York is home to Barclays’ US headquarters. The Americas hub for our Corporate and Investment Bank: a community of over 4,500 dedicated colleagues who create opportunities and solve challenges for some of the world’s most important companies.

Located in the heart of Manhattan, gives you a convenient location for commuting with access to everything New York can offer.

Our wellness center is equipped with modern amenities, including fitness centres offering a variety of classes and services.

Our health center provides a range of services, including primary and urgent care, wellness exams, health coaching, and vaccinations.

Our office features a variety of sophisticated dining options, including a colleague restaurant and a private executive dining room.

This is Barclays New York

New York is home to Barclays’ US headquarters. The Americas hub for our Corporate and Investment Bank: a community of over 4,500 dedicated colleagues who create opportunities and solve challenges for some of the world’s most important companies.

Excellent location

Located in the heart of Manhattan, gives you a convenient location for commuting with access to everything New York can offer.

Focused on fitness

Our wellness center is equipped with modern amenities, including fitness centres offering a variety of classes and services.

Caring for your health

Our health center provides a range of services, including primary and urgent care, wellness exams, health coaching, and vaccinations.

Great places to eat

Our office features a variety of sophisticated dining options, including a colleague restaurant and a private executive dining room.

Barclays

Working flexibly

We’re committed to providing a supportive and inclusive culture and environment for you to work in. This environment recognises and supports your personal needs, alongside the professional needs of our business. If you'd like to explore flexible working arrangements, please discuss this with the hiring manager. Your request will be reviewed in-line with the requirements of the role/business needs of the team.

Hybrid working

We have a structured approach to hybrid working, where colleagues work at an onsite location on fixed, ‘anchor’, days, as set by the business area. Please discuss the working pattern requirements for the role you are applying for with the hiring manager. Please note that working arrangements may be subject to change on reasonable notice to ensure we meet the needs of our business.

Barclays is built on an international scale.

Our geographic reach, our wide variety of functions, businesses, roles and locations reflect the rich diversity of our worldwide customer base. All of which means we offer incredible variety, depth and breadth of experience. And the chance to learn from a globally diverse mix of colleagues, including some of the very best minds in banking, finance, technology and business. Throughout, we’ll encourage you to embrace mobility, exploring every part of our operations as you build your career.

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