Senior Trading Technology Engineer (Java)
** Re-write:**
About Us
We are BitMEX, a leading cryptocurrency derivatives trading platform known for our innovation, liquidity, and commitment to security. Since 2014, we have provided professional-grade trading services with a strong focus on security, offering a wide range of derivatives contracts and cryptocurrency pairs.
Our platform is dedicated to serving cryptocurrency derivatives traders with low latency, deep liquidity, and diverse cryptocurrency options. We are recognized for our introduction of the Perpetual Swap, a highly traded crypto product, and our ongoing commitment to transparency through on-chain Proof of Reserves and Proof of Liabilities.
Overview
The core of our platform, the Trading Engine, manages all brokerage and trading activities, including order management, risk management, PNL calculations, and settlement. We are expanding our engineering team to enhance the scalability of our platform and introduce new products, seeking individuals with a strong technical background and a passion for electronic trading systems.
Key Responsibilities
- Lead the design, development, and delivery of trading system components
- Implement new features, address bugs, and optimize performance
- Collaborate with Financial Products and quantitative researchers on product development
- Mentor team members and contribute to firm-wide initiatives
Requirements
- 8+ years of programming experience specializing in high-performance Java applications
- Bachelor's degree in Computer Science or a similar STEM field
- Previous experience in developing financial trading applications within Hedge Funds, Investment Banks, or Exchanges
- Proficiency in modern software development practices, including TDD and BDD
- Strong grasp of design patterns, SOLID principles, algorithms, and concurrency
- Effective analytical and problem-solving skills with a focus on simplifying complex problems
- Enthusiasm for software development and continuous learning with an emphasis on quality
Nice to Have
- Experience with developing execution algorithms and risk management systems
- Knowledge of FX/Crypto spot and derivatives markets
- Basic understanding of mathematics
- Familiarity with KDB/q language and containerization technologies like Docker and Kubernetes
- Experience working with financial protocols such as REST/WS and FIX
Join our team as we work towards building a dynamic cryptocurrency ecosystem, investing in emerging technologies, and shaping the future of 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