Software Developer (Future Finance)
Hybrid
London, United Kingdom
Full Time
07-04-2025
Job Specifications
LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects. Together, we will be driving the financial industry in new directions.
Finance is going to be tokenised through the use of blockchain technologies. We want to be at the forefront of that wave, working with the institutions to build efficient, regulated and fair markets. We have gone from one developer to a small team over the last year and have already built a brand new trading solution, taking the best of centralised liquidity and decentralised security. It is live on public blockchains. Our vision is a lot more than just this, so we need to grow into multiple teams as we shape the future of the financial landscape. Our roadmap is heavily developer driven, meaning you can substantially influence the direction of the project.
Developers are encouraged to constantly develop and learn new skills. Pair programming supports continual growth of knowledge and sharing of expertise. Friday afternoons are set aside as personal development time where you can explore new languages, research bleeding edge technologies, or even come up with brand new projects pushing the boundaries of finance. There is regular time to improve developer experience and reduce technical debt.
Our continuous integration and testing culture allows us to have confidence in our builds and develop quickly. We have already built a suite of new tools to maintain this mission with our dynamic tech stack. Continuous Delivery was pioneered at LMAX (one of the authors worked here while writing the book). Due to pair programming and testing we don't do pull requests, we push directly to our monorepo with a "revert first, ask questions later" attitude.
If you want to work in an environment that follows great developer practices such as fast feedback across all aspects of your work, a cooperative culture, and only shipping things when they're ready, while being at the heart of the finance revolution, then the LMAX future finance team is for you!
What you should expect:
Collaborative office environment with constant pairing and plenty of social activities.
Work across the stack to solve a problem - From building core Java components one day to creating new financial products through the use of smart contracts the next. We do it all, and we do it properly.
Regular opportunities to learn and develop yourself with internal tech talks, encouragement to go to conferences, and dedicated time for your personal development.
What you'll be working with:
Backend: Distributed, event-driven core Java 21 (80% of the code-base), MySQL, Kafka, Solidity (EVM Smart Contracts), Rust (Solana Smart Contracts)
Frontend: Javascript, Vue.js
Deployment: Kubernetes, AWS
Testing: JUnit, Hardhat, Jenkins, Selenium, many in-house tools...
OS: Linux
The LMAX way is to use the right tool for the job so this is just a flavour of what you'll be working with and isn't a list of requirements!
Requirements
Be passionate about software development. Bad code offends you!
Work in a dynamic environment enabled by fast feedback; the heart of our ethos
Pair programming in small teams of developers and testers (who also write code)
Share knowledge and learn from like-minded peers.
Write performant, reliable, and well tested code - shipping only when it's ready
Benefits
Bonus
Pension contribution
Private medical, dental, and vision coverage
Life assurance
Critical illness cover
Wellness contribution program with access to ClassPass
Plumm Platform
Five volunteering days
Give as You Earn initiative
Learning and development programs
Electric Vehicle Scheme
Cycle to Work Scheme
Season Ticket Loan
About the Company
The LMAX Group is the leading independent operator of institutional execution venues for FX and digital assets trading. LMAX Group is unique in offering market access to all FX customer segments, transforming the world’s largest asset class to an open, transparent marketplace with fair, precise & consistent execution. LMAX Group services funds, banks, asset managers and retail brokerages in over 100 countries. The Group builds and runs its own high performance, ultra-low latency global exchange infrastructure, which include... Know more
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