Wintermute helps traders and institutions access digital asset liquidity through algorithmic market making and OTC services. Users can trade various tokens, access derivatives markets, and execute large orders without market impact. Wintermute provides deep liquidity across centralized and decentralized platforms.

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Skills

Api Authentication Authorization Aws Caching Cdn Ci/Cd Cloudflare Container Database Go Javascript Node.Js Owasp Python React Rest Streaming Terraform Testing Typescript Websocket

Candidate Availability

Hybrid · London · Required

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will develop end to end applications for trading products, client facing portals, internal trading applications, and corporate website frontends. You will design backend services and APIs, model trading and market data, build frontend interfaces, own features across the stack, and help create platform experiences from scratch. You will also work with cloud infrastructure, databases, security, monitoring, and real time data integration.

Requirements

5 or more years of software development experience across backend and frontend
Strong backend engineering skills with Go or Python
Experience designing services, REST APIs, WebSocket APIs, and data models
Working knowledge of JavaScript, TypeScript, Node.js, npm, and modern frontend frameworks
React.js experience preferred
Experience with client facing financial or professional services products preferred
Understanding of CDNs, Cloudflare, web servers, containers, CI/CD, monitoring, and logging
Hands on experience with AWS or another major cloud provider
Experience with EC2, ECS, S3, IAM, VPC networking, and load balancers
Terraform or other infrastructure as code experience is a plus
Working knowledge of relational databases, caching, schema design, and efficient queries
Understanding of XSS, CSRF, OWASP risks, authentication, authorization, secrets handling, and security testing
Understanding of asynchronous request patterns and real time browser data streaming

Responsibilities

Develop end to end applications for trading products and client portals
Build internal trading applications
Design and implement backend services and APIs
Model and expose trading and market data
Build frontend applications
Oversee corporate website frontend development
Create platform and portal experiences from scratch
Implement secure code and mitigate OWASP vulnerabilities
Integrate frontend and backend systems
Stream real time data to browsers
Manage infrastructure, monitoring, and logging

Benefits

Team meals
Holiday celebrations
Gaming events
Company wide outings
Free food
Pension
Private health insurance
Significant flexibility in working from home and working hours
UK work permits
Relocation assistance