Senior Software Engineer (Mobile)
BitMEX, a renowned cryptocurrency derivatives trading platform, leads the industry with its innovative approach to cryptocurrency trading, setting high standards for innovation, liquidity, and security.
About Us:
BitMEX is a prominent exchange specializing in crypto derivatives, offering traders an advanced trading platform. With an impeccable security record since its establishment in 2014, BitMEX ensures the utmost security for its users.
Our platform serves cryptocurrency derivatives traders by providing low latency, deep liquidity, and a wide range of derivatives contracts and spot trading pairs.
Innovating the market in 2015 with the Perpetual Swap, BitMEX continuously demonstrates transparency by regularly publishing on-chain Proof of Reserves and Proof of Liabilities, ensuring the safety of client funds.
Overview:
BitMEX is a leading crypto exchange with a high-performance web application and API. Currently, we are developing a cutting-edge mobile application to enhance the BitMEX trading experience for users. Our team of engineers and UX designers is dedicated to delivering an exceptional user experience through the mobile app.
As a Senior Software Engineer (Mobile), you will leverage your expertise in designing and implementing mobile applications for the BitMEX mobile app, utilizing React Native, Javascript, Kotlin, and Swift for iOS and Android platforms.
Key Responsibilities:
- Collaborate closely with product managers and designers to prototype and deliver innovative user experiences.
- Uphold engineering standards through participation in code reviews and setting new benchmarks.
- Ensure high-performance and well-tested code to deliver a smooth user experience.
- Develop the BitMEX React Native mobile application.
- Mentor other engineers on coding practices and engineering principles.
- Explore new stack components and architectural ideas as needed.
- Contribute to regular code reviews and possess experience in native iOS or Android development.
Qualifications:
- Proficiency in Javascript and/or React Native.
- Extensive experience scaling mobile applications across various devices.
- Competency in mobile end-to-end testing and making complex products accessible to consumers.
- Ability to work on multiple products and concepts simultaneously.
- Familiarity with current UX trends and an interest in new UX concepts.
- Demonstrated ability to work effectively in small teams and take ownership of product features.
- Detail-oriented, with a willingness to dive deep into code for insights.
- Passion for technological innovation, especially in the crypto space.
- Candidates with less experience will be considered for the Software Engineer role.
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