Senior Golang Engineer – AI Products & Platforms

Join Citi’s AI Product & Platform team, a high-growth engineering group operating with a start-up mentality inside one of the world’s largest financial institutions. Working within the Chief Technology Office, you’ll help build the next generation of AI-powered products and platforms that will shape how technology is delivered across the bank. This is an opportunity to work at the forefront of Generative AI, cloud-native engineering and distributed systems, building scalable solutions from the ground up while collaborating with some of the industry’s most talented engineers and AI specialists.

Key Responsibilities

• Design and build AI-powered products and platforms using Golang.
• Develop high-performance backend services and APIs that operate at enterprise scale.
• Build and enhance internal developer tools, frameworks and reusable components.
• Partner with product, engineering and AI teams to turn innovative ideas into production-ready solutions.
• Contribute to the design and implementation of cloud-native, microservices-based architectures.
• Drive engineering best practices across code quality, testing, observability and CI/CD.
• Solve complex distributed systems challenges, focusing on scalability, resilience and performance.
• Mentor engineers and contribute to a collaborative, high-performing engineering culture.

Skills & Experience

• Golang (Go) expertise is essential, with a proven track record of building scalable, business-critical applications in production environments.
• Strong experience designing and developing large-scale backend services and APIs.
• Proven ability to build and operate systems within microservices and distributed environments.
• Experience with cloud-native technologies, containerisation and Kubernetes.
• Strong understanding of software engineering fundamentals, system design and performance optimisation.
• Experience building products and platforms from concept through to production.
• Exposure to AI, Machine Learning or LLM-powered applications is highly desirable.
• A passion for modern engineering practices, continuous learning and solving complex technical problems.

What We Believe In

• We do not have boundaries between backend engineering and product development, and we expect all our technical staff to contribute to both as needed.
• We take a product-focused approach to engineering 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 engineering problems by constantly testing and learning.
• We enjoy pair programming for our platform services; we are lean in our approach and remove bureaucracy where we see it.
• We believe in delivering working software fast, iterating and pivoting as we go, rather than defining the perfect architecture upfront.

Benefits

• 27 days annual leave (plus bank holidays)
• A discretionary annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends

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:

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.

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.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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