Java Development Engineer (Security)
Status
Asia +2
Full time
Remote
Compensation is not specified
Role
Backend Engineer
Description
Binance, a prominent global blockchain ecosystem and cryptocurrency infrastructure provider offering a wide range of financial products, including the largest digital-asset exchange, is seeking individuals to join its team. The company's objective is to expedite the adoption of cryptocurrencies and enhance financial freedom.
If you desire to work in a fast-paced, purpose-driven environment with abundant opportunities for learning and growth, then Binance is an ideal fit for you.
Responsibilities:
- Collaborate within a security team and play a vital role in designing backend systems.
- Oversee the maintenance, migration, and enhancement of existing systems.
- Develop new systems and collaborate with data analysts to translate the product and technical vision into a feasible roadmap.
Requirements:
- Minimum of 5 years of work experience, with expertise in backend system design.
- Proficiency in Spring Boot and Spring Cloud development.
- Skilled in MySQL and proficiency in at least one NoSQL database.
- Strong communication skills and ability to work well in team settings.
- Fluency in both Chinese and English to facilitate coordination with international partners and stakeholders.
Nice to Have:
- Previous experience in front-end development.
- Familiarity with big data tools like Hadoop, Hive, Spark, and Flink.
- Proficiency in spring cloud and microservice design.
- Experience in optimizing performance in JVM, SQL, RPC, etc.
- Prior involvement in risk or security systems.
Working at Binance:
- Join a leading blockchain ecosystem that offers ample career advancement opportunities.
- Collaborate with a diverse, top-tier team in an environment that fosters continuous learning and growth.
- Engage in challenging and innovative projects with rapid turnaround times.
- Contribute to a globally dispersed organization with international teams and a flat organizational structure.
- Competitive salary and benefits, including flexible work hours and a casual dress code.
Take the first step towards the Web3 revolution by applying now!
Binance is dedicated to promoting diversity and equal opportunities in the workplace, recognizing that a diverse workforce is crucial to its success. By applying for a job, candidates affirm that they have reviewed and accepted the Candidate Privacy Notice.
Skills Required
Binance
Website
Not specified
Company size
Not specified
Location
United States
Description
Not specified
Status
Ava Brown
Blocktunix Company Job
New York, USA
New York, USA
Full time
Remote
“Unleash the Power of Decentralized Finance with Blocktunix” is a new platform to empowering individuals and businesses to unlock their financial potential through a comprehensive suite of decentralized finance (DeFi) services.
Our platform will be designed to provide innovative solutions that enhance your financial experience, making it easier for you to navigate the complexities of the digital finance landscape.
With a focus on security, transparency, and user empowerment, Blocktunix is your partner in achieving financial freedom.
Open to Hire
1. Senior Solidity / Smart-contract Developer
2. Wallet Integration Developer
3. Financial Analysis Engineer
4. Mern Full Stack Developer
Our platform will be designed to provide innovative solutions that enhance your financial experience, making it easier for you to navigate the complexities of the digital finance landscape.
With a focus on security, transparency, and user empowerment, Blocktunix is your partner in achieving financial freedom.
Open to Hire
1. Senior Solidity / Smart-contract Developer
2. Wallet Integration Developer
3. Financial Analysis Engineer
4. Mern Full Stack Developer
Payment in Crypto
Experis
Smart Contract Engineer - Solidity
Part time
Remote
Fully Remote | 13:00-19:00 GMT+1 | $50 ~ $100 per hour
What You’ll Do
* Architect, implement, and deploy **secure smart contracts** for an on-chain Play-to-Earn GameFi ecosystem
* Lead contract design decisions with a focus on robustness, auditability, gas efficiency, and resilience to attack vectors
* Mentor/junior developers: perform code reviews, establish standards, best practices in security & testing
* Collaborate cross-functionally with game designers, backend, QA, and security teams to align smart contract features with product roadmap
Must-Haves:
* 4+ years hands‐on experience developing & deploying smart contracts (Solidity / EVM or equivalent) in production environments
* Track record of writing secure contracts, familiarity with common vulnerabilities (reentrancy, integer over/underflow, front-running, flash loans, etc.)
* Experience with audits, formal verification, fuzz testing, or other advanced contract assurance methods
* Strong test suite / CI workflow skills; comfortable using tools like Hardhat, Foundry, Truffle etc.
* Solid understanding of GameFi mechanics and how on-chain economics work
Nice to Have:
* Experience on multiple EVM chains or Layer-2 / sidechains
* Knowledge of cross-chain bridges, oracles, NFTs, tokenomics design
* Contributions to open-source security tooling or prior audit reports or published code you’re proud of
Compensation & Perks
* Senior Rate: $50–100 / hour
* Fully remote, global team
* Flexible hours (must overlap 13:00-19:00 GMT+1)
* Ownership of what you build; influence over architecture, security, and standards
How to Apply ( Important: Applications without the requested materials will not be considered )
* Your Resume / CV
* Your GitHub profile (real, established, not brand-new / fake)
* At least one relevant link (projects, audits, open-source contributions, portfolio)
(Don’t send “Hi” only. I don’t respond to that.)
What You’ll Do
* Architect, implement, and deploy **secure smart contracts** for an on-chain Play-to-Earn GameFi ecosystem
* Lead contract design decisions with a focus on robustness, auditability, gas efficiency, and resilience to attack vectors
* Mentor/junior developers: perform code reviews, establish standards, best practices in security & testing
* Collaborate cross-functionally with game designers, backend, QA, and security teams to align smart contract features with product roadmap
Must-Haves:
* 4+ years hands‐on experience developing & deploying smart contracts (Solidity / EVM or equivalent) in production environments
* Track record of writing secure contracts, familiarity with common vulnerabilities (reentrancy, integer over/underflow, front-running, flash loans, etc.)
* Experience with audits, formal verification, fuzz testing, or other advanced contract assurance methods
* Strong test suite / CI workflow skills; comfortable using tools like Hardhat, Foundry, Truffle etc.
* Solid understanding of GameFi mechanics and how on-chain economics work
Nice to Have:
* Experience on multiple EVM chains or Layer-2 / sidechains
* Knowledge of cross-chain bridges, oracles, NFTs, tokenomics design
* Contributions to open-source security tooling or prior audit reports or published code you’re proud of
Compensation & Perks
* Senior Rate: $50–100 / hour
* Fully remote, global team
* Flexible hours (must overlap 13:00-19:00 GMT+1)
* Ownership of what you build; influence over architecture, security, and standards
How to Apply ( Important: Applications without the requested materials will not be considered )
* Your Resume / CV
* Your GitHub profile (real, established, not brand-new / fake)
* At least one relevant link (projects, audits, open-source contributions, portfolio)
(Don’t send “Hi” only. I don’t respond to that.)
Payment in Crypto
Changez Khan
Community Team Members
Part time
Remote
🌍 Join DeepRoots — Community Team Recruitment (25 Seats Only) Remote, Global
DeepRoots is building a global movement in Web3:
From Silence to Voice — Together We Rise.
We’re hiring Community Team Members to help grow our ecosystem. If you’re looking to kickstart your Web3 career, this is your chance.
💰 Rewards & Benefits
$150 Micro-Contract (60 days, 2h/day)
Daily Rewards: Top comment, best post, most active
Voice of the Day: Recognition + bonus
Bring-a-Voice Bonus: Earn when new members join through you
Extra Prizes: For leaders who keep the fire alive
👊🏻Clear Growth Path:
Community Team Leader (part-time, higher pay)
Community Team Manager (full-time, full salary + benefits)
Moderator Roles (group management)
📌 Your Role
❤️ Engage actively: like, comment, share
🌍 Push the march forward — “From Silence to Voice”
⏰ 2h/day → 7:00–9:00 PM Dubai time
📆 6 days per week (Sunday OFF)
🧠 Bring a builder mindset (not hype / pump-dump)
✅ Requirements
Stable internet connection
Basic knowledge of Web3
LinkedIn & Twitter (X) account (or willingness to create one)
🌱 How to Apply
Send the following details to: connect@deeproots.earth
Full Name
Country
LinkedIn Account
Twitter (X) Account
Confirmation: “Ready to start and apply to sign the agreement and NDA of the project.”
🌍 Website: deeproots.earth
⚡ This is not hype. It’s a mission. It’s a movement.
✊ Be one of the 25 voices that help shape the future.
DeepRoots is building a global movement in Web3:
From Silence to Voice — Together We Rise.
We’re hiring Community Team Members to help grow our ecosystem. If you’re looking to kickstart your Web3 career, this is your chance.
💰 Rewards & Benefits
$150 Micro-Contract (60 days, 2h/day)
Daily Rewards: Top comment, best post, most active
Voice of the Day: Recognition + bonus
Bring-a-Voice Bonus: Earn when new members join through you
Extra Prizes: For leaders who keep the fire alive
👊🏻Clear Growth Path:
Community Team Leader (part-time, higher pay)
Community Team Manager (full-time, full salary + benefits)
Moderator Roles (group management)
📌 Your Role
❤️ Engage actively: like, comment, share
🌍 Push the march forward — “From Silence to Voice”
⏰ 2h/day → 7:00–9:00 PM Dubai time
📆 6 days per week (Sunday OFF)
🧠 Bring a builder mindset (not hype / pump-dump)
✅ Requirements
Stable internet connection
Basic knowledge of Web3
LinkedIn & Twitter (X) account (or willingness to create one)
🌱 How to Apply
Send the following details to: connect@deeproots.earth
Full Name
Country
LinkedIn Account
Twitter (X) Account
Confirmation: “Ready to start and apply to sign the agreement and NDA of the project.”
🌍 Website: deeproots.earth
⚡ This is not hype. It’s a mission. It’s a movement.
✊ Be one of the 25 voices that help shape the future.
Payment in Crypto
Chi Ng.
Localization Ops & Growth Specialist (Intern) - Arabic/Romanian
Cairo, Egypt +2
Cairo, Egypt +2
Part time
Remote
BingX is a leading cryptocurrency exchange, serving over 20 million users worldwide. BingX offers diversified products and services, including spot, derivatives, copy trading, and asset management – all designed for the evolving needs of users, from beginners to professionals. Responsibilities: Support brand promotion and awareness on local campuses by executing marketing activities, engaging student communities, and assisting with content and trend tracking to enhance visibility and influence. Requirements: Current university students are welcome. Have a basic understanding of cryptocurrency and its trends. Experience in campus community activities and events. Strong negotiation skills, copywriting skills, assist in optimizing brand content and ensuring clear and effective communication. Fluent in both English and local language (Romanian or Arabic). Available to work 3-5 days per week (remote), with flexibility to manage tasks efficiently. Apply here or visit my profile for more information.
Payment in Crypto
FORMATNULL ventures
Crypto Quant Trader
Panama City, Panama
Panama City, Panama
Full time
Hybrid
Responsibilities
As a Quant trader with FORMATNULL you execute proven strategies across Crypto Futures and Spot markets, monitor existing positions across exchanges and research, develop, and refine new cryptocurrency trading strategies. The role will straddle analyzing new trading opportunities, statistical approaches to profit calculation, trade execution, and support in reporting and KPI management.The ideal candidate would bring a deep understanding of cryptocurrency markets, technical and fundamental analysis, have multiple years’ experience trading at an institutional desk, and arrive with one or more tested strategies for rapid deployment. However, to the extent that strategies remain in the late development or testing stages, such candidates with sufficient market experience should certainly apply as well.Salary negotiable with additional perks. You will run a 5 to 7 digits USD trading account and with increasing responsibilty and negotiatable profitshare you will enjoy a comfortable income. The position is designed to be predominantly remote, with flexibility for in-person collaboration when needed.
Requirements
Extremely strong quantitative and analytical backgroundRelevant experience in statistical modeling3+ years’ industry experience developing and evaluating trading strategies in liquid marketsProficiency in major asset fundamentals and of major blockchain projects and conceptsExperience investing or trading in cryptocurrency marketsDeep understanding of derivative instrumentsUnderstanding of market-making spot and futures on centralized order booksThe following skills would be very helpful, and would help a candidate grow the role going forward:Knowledge of Bitget exchangeKnowledge Google SheetsAdvanced skills in Excel, Google Sheets, SPSS, and statistical tools.Fluency in German, French or Spanish, beyond English as a core necessity.Flexible availability in CET and EST time zones.
As a Quant trader with FORMATNULL you execute proven strategies across Crypto Futures and Spot markets, monitor existing positions across exchanges and research, develop, and refine new cryptocurrency trading strategies. The role will straddle analyzing new trading opportunities, statistical approaches to profit calculation, trade execution, and support in reporting and KPI management.The ideal candidate would bring a deep understanding of cryptocurrency markets, technical and fundamental analysis, have multiple years’ experience trading at an institutional desk, and arrive with one or more tested strategies for rapid deployment. However, to the extent that strategies remain in the late development or testing stages, such candidates with sufficient market experience should certainly apply as well.Salary negotiable with additional perks. You will run a 5 to 7 digits USD trading account and with increasing responsibilty and negotiatable profitshare you will enjoy a comfortable income. The position is designed to be predominantly remote, with flexibility for in-person collaboration when needed.
Requirements
Extremely strong quantitative and analytical backgroundRelevant experience in statistical modeling3+ years’ industry experience developing and evaluating trading strategies in liquid marketsProficiency in major asset fundamentals and of major blockchain projects and conceptsExperience investing or trading in cryptocurrency marketsDeep understanding of derivative instrumentsUnderstanding of market-making spot and futures on centralized order booksThe following skills would be very helpful, and would help a candidate grow the role going forward:Knowledge of Bitget exchangeKnowledge Google SheetsAdvanced skills in Excel, Google Sheets, SPSS, and statistical tools.Fluency in German, French or Spanish, beyond English as a core necessity.Flexible availability in CET and EST time zones.