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.
Job OverviewDiscover 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.
Job Overview
We are Citi’s Application, Platform and Engineering team, a start-up with the exciting mission of shaping the direction of travel for the entire bank under the Chief Technology Office, by defining the tech and engineering strategy for the bank. We are a team of talented engineers, product managers and tech SMEs, taking ambiguous concepts and making them real by engineering cutting edge products at planetary scale! We are solely focused on the most modern technology and engineering disciplines such as generative AI, cloud, security, modern app stacks (with Golang, Gatekeeper), open source and the latest and greatest in the Kubernetes ecosystem.
Generative AI is a growing space, as a result, we ask that you share with us any specific AI engineering projects utilising LLMs that you’re proud of in your application. Ideally these projects should show off complex and clever architectures or a systematic evaluation of an LLM’s behaviour.
You might be a good fit if you
What you’ll do within the Tech Strategy team:
Build secure AI products from 0-1 - Engineer production-grade, business-facing AI platforms with security built-in from day oneEthical hacking and red team activities - Conduct penetration testing, vulnerability research, and attack simulation to make our products bulletproofDesign and build security tools and frameworks - Create automated security solutions that scale across fast-paced development cyclesSecure novel AI attack surfaces - Identify and mitigate LLM-specific vulnerabilities, prompt injection attacks, and AI model security risks through hands-on testingLead "shift left" security - Embed security practices throughout our rapid development lifecycle while maintaining velocityMentor security practices - Guide other engineers on secure coding, vulnerability remediation, and security-first thinkingExperience That Will Help You Succeed In This Role
Production system builder with security focus - proven track record of architecting and building secure, large-scale production applications and business-facing platforms from the ground upEthical hacking and penetration testing expertise - hands-on experience finding and exploiting vulnerabilities, conducting red team exercises, and thinking like an attacker to strengthen defensesState-of-the-art security engineering with Go, Python, JavaScript - you build both security tools and secure production systems in fast-paced environmentsHashiCorp Vault mastery - deep experience writing custom plugins, creating secrets engines, implementing dynamic credentials, and extending Vault functionality for enterprise-scale secrets managementEnterprise authentication & authorization - designing and implementing OAuth, JWT, RBAC, and complex identity systems with fine-grained access controls in business-critical applicationsAPI security and threat modelling - securing REST/GraphQL APIs, conducting threat assessments, and implementing advanced security patterns in high-traffic production systemsAI/ML security and vulnerability research - understanding of LLM vulnerabilities, model security, prompt injection attacks, and AI-specific threat vectors through hands-on testingSecurity automation and tooling – automating manual security processesCloud-native security - securing containerized applications in Kubernetes, service mesh security, and cloud-native security patterns at enterprise scaleIncident response and forensics - experience investigating, analyzing, and responding to security incidents in live production systemsWhat We Believe In
We do not have boundaries between security engineering and product development, and we expect all our technical staff to contribute to both as needed.We take a product-focused approach to security and care about building solutions that are robust, scalable, and easy for developers to use.We enjoy working in a fast-paced team tackling cutting-edge security problems by constantly testing and learning.We enjoy pair programming for our security tools; we are lean in our approach and remove bureaucracy where we see it.We believe in delivering secure solutions fast, iterating and pivoting as we go, rather than defining the perfect security framework upfront.What we’ll provide you
This is a unique role that will put you in the position to be part of a new venture and actively drive change. Every day there will be new challenges that will help you develop new skills that can drive your career.
By joining Citi London, 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 bonusPrivate Medical Care & Life InsuranceEmployee Assistance ProgramPension PlanPaid Parental LeaveSpecial discounts for employees, family, and friendsVisit our Global Benefits page 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.
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Job Family Group:
Technology------------------------------------------------------
Job Family:
Applications Development------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
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