Senior Trading Technology Engineer (Java)
About Us
BitMEX is a leading cryptocurrency derivatives trading platform known for its innovation, liquidity, and security standards. With a focus on providing a professional-grade trading platform for cryptocurrency derivatives traders, BitMEX offers a wide range of derivatives contracts and spot trading pairs with seamless exchange functionality between various cryptocurrencies.
Established in 2014, BitMEX has set high standards in security by ensuring the protection of client funds. The introduction of the Perpetual Swap in 2015 redefined the crypto trading market and solidified BitMEX's position as a pioneer. As part of its commitment to transparency, BitMEX regularly discloses its on-chain Proof of Reserves and Liabilities, underscoring its dedication to safeguarding client funds.
Overview
The Trading Engine is a critical component of the BitMEX platform, managing order processing, risk assessment, portfolio management, performance monitoring, and trade settlements. Join a talented engineering team focused on expanding the BitMEX platform's capabilities to serve a growing user base and introduce innovative products. We seek technology enthusiasts eager to contribute to building cutting-edge electronic trading systems.
Key Responsibilities
- Lead the design, development, and implementation of trading system components
- Enhance existing features, troubleshoot issues, and optimize performance
- Collaborate with product teams and quantitative researchers on product development
- Mentor team members and champion organizational initiatives
Requirements
- Over 8 years of experience developing high-performance Java applications
- Bachelor's degree in Computer Science or a related STEM field
- Background in developing financial trading applications within sectors like Hedge Funds, Investment Banks, or Exchanges
- Proficient in modern software development practices, including TDD and BDD
- Strong grasp of design patterns, object-oriented programming principles, algorithms, and complexity analysis
- Knowledge of Java Memory Model, concurrency, and problem-solving abilities
- Enthusiasm for software development, continuous learning, and maintaining high coding standards
Nice to Have
- Experience in creating execution algorithms and risk management systems
- Familiarity with FX/Crypto spot and derivatives markets
- Basic understanding of mathematical concepts
- Exposure to the KDB/q language
- Proficiency in Docker/Kubernetes for containerized applications
- Knowledge of REST/WS, FIX, or other financial protocols
Join a dynamic team shaping the future of cryptocurrency technology and digital financial services.
Product Manager – Portfolio Companies
Sirex Portfolio Companies
Salary: $135,000 – $190,000 USD base + equity
Location: Remote-first
About the role Own product strategy and roadmap for 1–2 portfolio projects (DeFi protocols, trading platforms or RWA infrastructure).
What you’ll do
Define vision, prioritize features and write specs
Work directly with smart-contract and frontend teams
Design user flows and drive product-market fit
Run user research and iterate fast
Requirements
4+ years Product Management experience
Previous Web3/DeFi product experience mandatory
Strong technical intuition
Apply → Send CV + 1 strongest product case
Frontend Engineer – Web3 Products
Sirex Portfolio Companies
Salary: $120,000 – $175,000 USD base + equity
Location: Remote-first
About the role Build beautiful, high-performance frontends for DeFi, RWA and agent platforms (Next.js + Wagmi/Viem stack).
What you’ll do
Ship trading interfaces, dashboards and wallet flows
Optimize for mobile and lightning-fast UX
Integrate with smart contracts and oracles
Work directly with design and product teams
Requirements
3+ years Next.js / React + TypeScript
Strong experience with Wagmi, Viem, RainbowKit or similar
Web3 product intuition (wallets, transactions, gas UX)
Apply → Send CV + GitHub
On-Chain Data Analyst
Sirex Fund + Portfolio
Salary: $110,000 – $160,000 USD base + equity
Location: Remote-first
About the role
Turn raw blockchain data into actionable investment insights and portfolio monitoring tools.
What you’ll do
Build and maintain Dune dashboards + custom indexers
Track TVL, user activity, token flows and protocol health
Create weekly investment memos and anomaly alerts
Support due diligence with on-chain forensics
Requirements
Strong SQL + Python experience
Deep knowledge of The Graph, Dune, Flipside or custom subgraphs
Previous crypto research or trading background
Apply → Send CV + 1 example Dune dashboard
Operations Associate / Chief of Staff
Sirex Fund Salary: $95,000 – $135,000 USD base + carry Location: Remote-first
About the role Be the right-hand person to partners: run fund operations, portfolio support and internal processes.
What you’ll do
Manage deal flow, data rooms and investment memos
Coordinate portfolio reporting and founder updates
Handle legal, compliance and admin tasks
Support events, LP communication and hiring
Requirements
2–4 years in VC, startup ops or consulting
Extremely organized and fast-moving
Web3/native crypto understanding is mandatory
Apply → Send CV + short note “Why you’d be a great CoS”
Community & Growth Lead
Sirex Portfolio Companies Salary: $110,000 – $155,000 USD base + equity + token package Location: Remote-first
About the role Own community strategy and growth for 2–3 portfolio projects (AI agents, RWA platforms, DeFi protocols).
What you’ll do
Build and scale Telegram, Discord, X and on-chain communities
Run engagement campaigns, AMAs, airdrops and incentive programs
Create content calendars and growth experiments
Track metrics and report directly to founders
Requirements
3+ years community/growth experience in Web3
Proven track record of growing communities from 0 to 10k+ active members
Strong writing and meme/game theory skills
Apply → Send CV