Senior Software Engineer - Build AI Tools (Python, GoLang)

Citigroup Inc.; Belfast City District; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Paid Parental Leave

Employee discounts

Learning and development resources

Job summary

Citi in Belfast is seeking a senior engineer to design and secure GenAI prompts within the Cloud Technology Services group. You will build a GenAI prompt security platform, automate testing, and partner with engineering, operations and Citi teams across time zones.

The role emphasizes security, scaling, API design, and collaboration with cross-functional teams in a dynamic environment.

Qualifications

• Bachelor’s degree or equivalent work experience.
• Excellent interpersonal and problem-solving skills.
• Strong oral and written communication abilities.
• Significant relevant industry experience.
• End-to-end design, implementation and operation of enterprise software with cross-functional teams.
• Proficiency in Python and/or Go with tooling (Git, Maven, IDEs, Jenkins, Bitbucket).
• Experience designing secure APIs and libraries.
• Experience in Generative AI, LLM frameworks, prompt engineering or adversarial testing.
• Cyber engineering/Operations experience (DevSecOps or MLSecOps).
• Contributed to architecture, design patterns, reliability, scalability.
• Containerized deployment experience (Kubernetes, OpenShift).
• DevOps, CI/CD and Agile methodology.

Responsibilities

• Design, develop, optimize a GenAI prompt security platform for AI/LLM apps.
• Build and automate a security testing framework for various use cases.
• Own scalable security solutions across the organization.
• Collaborate with Engineering, Operations and Citi partner teams across time zones.

Skills

Python

Go

APIs

LLM frameworks

Generative AI

Adversarial testing

DevSecOps

CI/CD

Agile

Architecture design

Cross-functional collaboration

Education

Bachelor's degree or equivalent work experience

Tools

Kubernetes

OpenShift

Git

Maven

Jenkins

Bitbucket

IDEs

Job description

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.

The Team:

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.

The job:

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.

What the role covers:

• 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.

Job Skills/ Qualifications:

• 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 solutionsinvolving 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 withCyber engineeringandOperations, which could includeDevSecOpsorMLSecOps.
• Experience contributing to the architecture and design (architecture, design patterns, reliability, scaling) of new and current systems
• Experience in containerized deployment (Kubernetes, OpenShift etc).
• Expertise with DevOps, CI/CD and agile methodology

What we can offer you:

• 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 ourGlobal Benefitspage to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

#LI-MK2

Job Family Group:

Technology

Job Family:

Systems & Engineering

Time Type:

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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