Java/Python Engineer - London - C12

Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide 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. We enable 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.

What We do / The Team

The Cloud Architecture team in Enterprise Technology serves to enable tech teams to build secure, modern, cloud-native solutions – on-premises or in the public cloud. We focus on filling the gaps between tools and platforms, accelerating adoption through proven patterns and hands-on support. We deliver reference architectures, code accelerators, and production-grade examples, while offering advisory services and collaborative engagement with teams to help them deliver robust, scalable solutions.

Role Overview/What will you do:

• Set up, test, and troubleshoot containerised development environments using Podman
• Contribute to the development of code accelerators
• Write small tools (mostly in Python, Bash or Terraform) to support developer workflows or demos
• Participate in hands-on prototyping or demos of architectural patterns for internal teams
• Create and update internal documentation and developer guides to make it easier for teams to adopt
• Join pairing or working sessions with other engineers across the organisation to help smooth the path to adoption
• Learn and explore new tools and cloud native technologies (e.g. AWS, GCP, Snowflake, Databricks) under the guidance of senior team members

Key Skills and Experience required –

• A strong academic background in Computer Science, Engineering, Data Science, or a related technical discipline
• Proficiency in Java or Python
• Strong written and verbal communication skills
• Proactive learner with the ability to self-teach new tools and technologies; an ability to educate others
• Familiarity with the Linux command line and shell scripting
• Understanding of basic data concepts – file formats (e.g. CSV, Parquet), data pipelines, and storage layers
• Exposure to containers and Podman or Docker
• Comfortable using Git; an awareness of CI/CD practices and tools such as GitHub Actions or Azure DevOps

Nice to have:

• Experience of working with Apache Spark / Flink / Kafka
• Familiarity with object storage e.g. AWS S3
• Knowledge of containerised development workflows using e.g., VSCode
• Basic understanding of cloud platforms like AWS or GCP
• Experience contributing to open-source or internal code templates, demos, or accelerators
• Familiarity with data catalog services (e.g. Hive, Polaris, Glue)

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you

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 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 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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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.