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Full Stack Engineer
London
Product /
Full-time /
Hybrid
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About Wintermute
Wintermute is one of the largest crypto native algorithmic trading companies in digital assets. We provide liquidity across most cryptocurrency exchanges and trading platforms, a broad range of OTC trading solutions as well as support high profile blockchain projects and traditional financial institutions moving into crypto. Wintermute also has a Wintermute Ventures arm that invests in early stage DeFi projects.
Wintermute was founded in 2017 and has successfully navigated industry cycles. Culturally, we combine the best of the two worlds: the technology standards of high-frequency trading firms in traditional markets and the innovative and entrepreneurial culture of technology startups. To Wintermute digital assets is not just another asset class, we believe in the innovative potential of blockchain, the fundamental innovations, we have a long-term view on the digital asset market and are taking a leadership position in building an innovative and compliant market. You can read more here.
Working at Wintermute
We are looking for a Full Stack Engineer who is passionate about building products and applications that people find useful and enjoy using. At Wintermute you will have an opportunity to grow and make a direct impact on trading by developing and improving all the parts of the trading applications for internal and external users — from the interfaces traders and clients work in to the services and APIs behind them — while also getting advice and guidance from very experienced developers and traders. You will get a lot of independence and responsibility right away, and you'll learn at an unprecedented speed.
What will you work on
This role will involve developing end-to-end applications for Wintermute's new trading products and client facing portals, as well as internal trading applications and oversight/project management of corporate website frontend development. You'll own features across the whole stack: designing and implementing backend services and APIs, modelling and exposing trading and market data, and building the frontends on top of them.
A great advantage of this position is to be part of creating and driving the vision for a platform/portal from scratch as well as owning the experience across a range of customer lifecycle stages.
You will work very closely across multiple teams at Wintermute, including product, marketing, trading and engineering. You’ll have an opportunity to improve your knowledge of building high-performance scalable applications, understand broader system architecture and to understand algorithmic crypto currency trading.
We are open to experience from both personal and work-related projects. Interest in algorithmic trading is a plus.
Hard Skills requirements:
- 5+ years of software development experience across both backend and frontend.
- Strong backend engineering skills, with Go and/or Python preferred; comfortable designing and implementing services, REST/WebSocket APIs and their data models.
- Solid working knowledge of the frontend stack: JavaScript and TypeScript, the Node.js/npm ecosystem, and a modern framework — React.js ideally, though experience with a comparable one is fine (please feel free to share any available examples of applications you built).
- Experience in client-facing financial or other professional services products is preferred but not mandatory (please mention products you worked on and their intended target users); fintech or crypto domain experience is a plus.
- Good understanding of the infrastructure applications run on: CDN, Cloudflare or similar, web servers, containers, CI/CD, plus basic monitoring and logging.
- Hands-on experience with a major cloud provider, AWS preferred (e.g. EC2/ECS, S3, IAM, VPC networking, load balancers); infrastructure-as-code such as Terraform is a plus.
- Working knowledge of relational databases and caching, including schema design and writing efficient queries.
- Experience developing secure code end to end: strong understanding of common vulnerabilities such as cross-site scripting, cross-site request forgery and other OWASP risks, along with authentication, authorisation and secrets handling, and best practices for testing and mitigating them.
- Solid grasp of frontend-backend integration, including asynchronous request patterns and streaming real-time data to the browser.
Here is why you should join our dynamic team:
- Working at one of the most innovative trading firms globally.
- Engaging projects offering accelerated responsibilities and ownership compared to traditional finance environments.
- A vibrant working culture with frequent team meals, holiday celebrations, gaming events, and company-wide outings.
- A Wintermute-inspired office in central London, featuring an array of amenities such as table tennis and foosball, personalized desk configurations, a cozy team breakout area with games and free food.
- Great company culture: informal, non-hierarchical, ambitious, highly professional with a startup vibe, collaborative and entrepreneurial.
- A performance-based compensation with a significant earning potential alongside standard perks like pension and private Health insurance.
Note:
- Although we are unable to accept fully remote candidates, we support significant flexibility in regards to working from home and working hours.
- We offer UK work permits and help with relocation.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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What does a JavaScript developer in web3 do?
A JavaScript developer in web3 would likely be responsible for developing applications and other software using the JavaScript programming language within the web3 ecosystem
Web3 refers to the third generation of web technology, which emphasizes the use of decentralized technologies such as blockchain and distributed ledger systems
This means that a JavaScript developer in web3 would need to be familiar with these technologies and how to use them in the development of applications and other software
They may also be responsible for maintaining and updating existing web3 applications, as well as working with other members of a development team to create new web3 applications.