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About the Role
We are looking for a talented and driven Java Engineer to take a hands-on delivery role across our core financial systems. You'll be a co-owner of our codebase, a trusted colleague to your peers, and a key contributor to how we evolve our platform. Crucially, you'll bring a genuine understanding of AI concepts and how they can be applied to solve real product problems.
Responsibilities
- Taking end-to-end delivery ownership of key software development projects and enhancements
- Designing and building scalable, server-side Java services that enhance our core financial systems
- Monitoring, managing and further automating business operations
- Acting as a co-owner of the codebase — proactively identifying and implementing improvements
- Collaborating closely with stakeholders to ensure requirements are well understood, designs are sound and deadlines are met
- Reviewing designs and code produced by colleagues, providing clear and constructive feedback
Requirements
- 3+ years of industry experience with a strong track record of delivery
- Solid server-side design and development skills using Java, Linux, Apache, Mongo, and Postgres
- Familiarity with the full agile development lifecycle: version control, testing, CI/CD and build tooling
- Strong organisational and communication skills, comfortable engaging both engineers and business stakeholders
- Able to apply creative, pragmatic thinking to find elegant solutions rather than just brute-force ones
- Demonstrates strong personal integrity and accountability
- Open to and actively seeks constructive feedback
- A passionate advocate for clean, concise and simple code and design
- A natural technical leader who earns the trust and confidence of peers
- A collaborative team player — comfortable giving and receiving constructive feedback, following as well as leading, and always willing to learn
- Someone who thrives in a fast-paced, relatively unstructured environment and takes genuine personal accountability for outcomes
- Quick to get up to speed in new business domains, asking the right questions and absorbing new concepts rapidly
Skills
- Java
- Linux
- Apache
- Mongo
- Postgres
- Spring Boot
- Elasticsearch
- AI concepts
- LLMs
- Machine learning fundamentals
- Prompt engineering
- AI-assisted development tooling
- Vector embeddings
- Semantic search
- Agentic AI systems
- Tool use
- Multi-step reasoning
- Structured output
- Core computer science principles
- Algorithms
- Data structures
- System design
Location
- 20 Fenchurch Street, London, EC3M 3BY
Work Type
- Hybrid working model
- Full-time
Experience Level
- 3+ years of industry experience
Education Level
- Degree in Computer Science, Engineering or a related STEM discipline
Salary/Compensations
- Salary commensurate with experience
Benefits
- Career support and development
- Performance based discretionary cash bonus scheme
- Discretionary stock grant
- Group Life Assurance cover
- Group Income Protection
- Occupation pension scheme based on Gross earnings
- Above statutory annual leave, increasing with service
- Daily company-paid lunch and healthy snack options throughout the day (when working from the office)
- Access to Private Medical Insurance, Dental Plan and / or Health Cash Plan*
- Corporate events
- Travel season ticket loans*
- Cycle to work scheme*
- Fitness subsidisation
About the Company
- Interactive Brokers Group, Inc., a member of the S&P 500, is a global financial services company headquartered in Greenwich, Connecticut, with offices in over 15 countries.
- Through its affiliates, Interactive Brokers provides automated trade execution and custody of securities, commodities, foreign exchange, and prediction markets on over 170 markets in numerous countries and currencies.
- For more than four decades, Interactive Brokers has focused on technology, automation, and innovation to provide clients worldwide with a sophisticated, unified platform to manage their investment portfolios.
- We serve individual investors, hedge funds, proprietary trading groups, financial advisors, and introducing brokers.
- Our culture is driven by problem-solving, efficiency, and continuous improvement.
- We look for individuals who are intellectually curious, collaborative, and motivated to contribute to technology that helps simplify and enhance access to global financial markets.
- Interactive Brokers has consistently been recognized as a top broker by respected industry sources including Barron’s, Investopedia, Stockbrokers.com, and others.
- Covestor Limited (doing business as Interactive Advisors ("IA")) are part of the IBKR group.
- We are an online robo-advisor and investing platform, offering clients in the USA a variety of portfolios.
- This role will be permanent with IA, and working with us you will get exposure to Interactive Advisors work streams but also many projects working with the wider IBKR group.