Senior Software Engineer - Build AI Tools; Python, GoLang

Job Description

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.

Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Citi enables clients to achieve their strategic financial objectives by providing them with cutting‑edge ideas, best‑in‑class products and solutions, and unparalleled access to capital and liquidity.

Cloud Technology Services (CTS) is responsible for looking after Citi's Cloud programme across Public and Private Cloud. It has several new and exciting programmes utilising cutting‑edge cloud and container technologies, with a view to ensuring that our offerings are best in class and enable our wider business lines and clients alike.

This role sits within the newly formed GenAI Security team, which is responsible for ensuring, maintaining, and improving the security of our GenAI Prompt security capabilities within the firm. You will be responsible for engineering solutions that strengthen and broaden our security capabilities in an environment that is changing daily whilst also working with vendor products to achieve the same aims.

You will have the opportunity to partner with key Engineering teams, alongside Operations and Site Reliability Engineering. Effective capabilities that combine security and engineering excellence are key to success.

• Designing, developing, optimizing, and enhancing a GenAI prompt security platform to protect firm AI/LLM‑based applications from adversarial attacks and prompt injections.
• Building and automating a security testing framework to validate protection mechanisms for various LLM use cases.
• Owning solutions that are expected to operate and perform at scale across the organisation.
• Collaboration with multiple stakeholders and partners across Engineering and Operations as well as partner teams within the wider Citi organisation, across different time zones.

• Highly motivated self‑starter with excellent interpersonal and problem‑solving skills
• Bachelor's degree or equivalent work experience
• Good oral and written communication skills
• Significant relevant industry work experience
• Experience of the full lifecycle of design, implementation and running of enterprise software solutions involving cross functional team collaboration
• Expertise in a major programming language such as Python and/or Go, and associated tooling (Git, Maven, IDEs, Jenkins, Bitbucket etc)
• Expertise in designing and implementing secure APIs and libraries.
• Experience in Generative AI, LLM frameworks, LLM prompt engineering and/or adversarial testing is a bonus.
• Experience with Cyber engineering and Operations, which could include Dev Sec Ops  or MLSecOps.
• Experience contributing to the architecture and design (architecture, design patterns, reliability, scaling) of new and current systems
• Experience in containerized deployment (Kubernetes, Open Shift etc).
• Expertise with Dev Ops, CI/CD and agile methodology

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit our Global Benefits page to learn more. Alongside these…