Software Engineer - Java (Quant Platform - Liquidity Management)
About the Company
OKX is a leading cryptocurrency spot and derivatives exchange that embraces technology to reshape the financial ecosystem. With a commitment to innovation, OKX offers diverse and sophisticated products, solutions, and trading tools. Trusted by over 20 million users globally, OKX aims to empower individuals to explore the world of crypto. Alongside its DeFi exchange, OKX Insights provides cutting-edge research on the cryptocurrency industry.
Our company values its people as much as technology. We foster an inclusive culture where teamwork, change, and integrity are valued. We strive to create a friendly and diverse environment where everyone feels valued, respected, and has equal opportunities to grow and succeed.
About the Opportunity
As part of the Quant Platform Liquidity Management team, the Java Software Engineer will work closely with liquidity managers to develop liquidity strategies using an in-house strategy toolkit. This is an excellent opportunity for a strong technologist with a passion for crypto trading and automated algo bots. You will collaborate with cross-functional team members to deliver exceptional products and contribute to industry growth.
Responsibilities
- Collaborate with liquidity managers on strategy development and technical design
- Design, implement, test, and deploy liquidity strategies
- Enhance the production environment to improve performance and stability
- Continuously improve strategies for 24x7 crypto trading, focusing on stability, scalability, and robustness
Required Skills
- Strong educational background in STEM (Science/Technology/Engineering/Mathematics)
- Excellent logical thinking and problem-solving skills
- Experience in strategy development is a plus
- Proficiency in high-performance Java and asynchronous programming patterns
- Familiarity with distributed systems and microservice architecture
- Prior experience with automated testing and continuous integration
- Willingness to learn about various trading products in financial and crypto markets, including spot, futures, swaps, options, structured products, and DeFi trading.
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