Senior Stability Engineer
Status
Hong Kong
Full time
Office
Compensation is not specified
Role
Backend Engineer
Description
Who We Are
At OKX, we are a cryptocurrency spot and derivatives exchange that believes in shaping the future with technology. Since our establishment in 2017, we have embraced blockchain technology to revolutionize the financial ecosystem. Our diverse range of innovative products, solutions, and trading tools have made us a trusted platform for over 20 million users in 180 regions worldwide. We not only offer a world-class DeFi exchange but also provide valuable market research through OKX Insights. Our vision is to create a world of financial access powered by blockchain and decentralized finance.
We value our people as much as we value technology. Our culture promotes teamwork, embraces change, and prioritizes doing the right thing. We are committed to creating a friendly, inclusive, and rewarding environment for all our employees. Regardless of your background, at OKX, you will be valued, respected, and have equal opportunities to develop and succeed. Our goal is to bring out the best in you.
About the Opportunity
What You’ll Be Doing:
- Identifying and addressing hidden system issues, focusing on stability and performance.
- Leading cross-team collaborations to improve stability and drive system development.
What We Look For In You:
- A bachelor's degree or higher in computer science or a related field, with a strong background in development and architecture.
- Proficiency in Java and Spring Cloud technology stack.
- Experience in high-concurrency distributed system architecture, anti-vulnerability design, and engineering practices.
- Excellent communication skills, attention to detail, and a passion for technology with a belief in the future of the crypto industry.
Perks & Benefits:
- Competitive total compensation
- Comprehensive insurance coverage for employees and their dependents
- More perks to be discussed during the process!
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
Not specified
Status
artech-digital
Senior Software Developer (Web3 / Full-Stack) – Remote (Full-Time / Part-Time)
San Francisco, USA
San Francisco, USA
Full time
Remote
We are building a next-generation hybrid platform that combines ecommerce and Web3 technologies. Our goal is to create a scalable, secure, and user-friendly system that integrates modern blockchain features with real-world applications.
We are looking for an experienced **Senior Software Developer** to join our team on a flexible basis (full-time or part-time), with a strong preference for long-term collaboration.
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🔹 Responsibilities
* Build and maintain scalable APIs and microservices
* Integrate blockchain/Web3 functionalities where required
* Collaborate with frontend developers and product team
* Write clean, maintainable, and well-documented code
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🔹 Requirements
* Solid understanding of backend architecture and system design
* Experience with REST APIs, databases, and cloud services
* Familiarity with Web3/blockchain concepts (preferred)
* Experience with modern frontend frameworks (React or similar is a plus)
* Good communication skills and ability to work remotely
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🔹 Nice to Have
* Experience in ecommerce systems
* Smart contract or blockchain integration experience
* DevOps / CI-CD knowledge
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💰 Compensation
✔$30 – $70 USD/hour** (depending on experience)
OR
✔$4,000 – $9,000 USD/month** (full-time equivalent)
Flexible for both **full-time and part-time** engagements.
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🌍 Work Setup
* Fully remote
* Flexible working hours
* Open to full-time or part-time
* Long-term opportunity with potential for growth
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🌐 Company
* Website: https://www.artech-digital.com/
* Fiverr Pro: https://pro.fiverr.com/agencies/artech
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We value clear communication, practical experience, and a problem-solving mindset. Looking forward to connecting with skilled developers who want to build impactful products.
Sirex
Product Manager – Portfolio Companies
Full time
Remote
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
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
Payment in Crypto
Sirex
Frontend Engineer – Web3 Products
Full time
Remote
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
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
Payment in Crypto
Sirex
On-Chain Data Analyst
Full time
Remote
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
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
Payment in Crypto
Sirex
Operations Associate / Chief of Staff
Full time
Remote
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”
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”
Payment in Crypto