Senior Software Developer ( Ruby on Rails )
Singapore
Full time
Hybrid
Compensation is not specified
Role
Backend Engineer
Description
We are seeking a dedicated individual to join our team in developing and enhancing software for various projects related to our core businesses. These ventures require a fast-paced and efficient approach with a small team. As a team member, you will play a key role in designing components for scalable applications, encompassing both frontend UI and backend infrastructure development.
Responsibilities
- Participate in the design and development of backend services, propose architectural decisions, collaborate on designs, code implementation, and solution delivery
- Expand retail trading products into new regions and enhance the existing product offering
- Identify and resolve complex issues within large-scale backend systems
- Provide reliable and real-time trading information streams to customers
- Offer technical support to address customer concerns promptly
- Take ownership of projects and foster innovation by exploring new technologies
- Work closely with the DevOps and Infrastructure team to enhance the technology stack for long-term engineering initiatives
- Maintain comprehensive documentation for all code and functionalities implemented
Requirements
- Passion for building top-tier products to solve real-world challenges, with a drive for continuous learning and a proactive mindset
- Open to receiving input from others, committed to improvement, and adaptable to challenges
- Strong organizational and interpersonal skills to manage various stakeholder requirements effectively
- Knowledge of financial domains and Blockchain technology is a plus
- Proficiency in Ruby, with experience in other programming languages being beneficial
- Proficient in Postgres, Redis, and Kafka is preferred
- Skilled in addressing scalability, security, and performance optimization issues
Life @ Crypto.com
- Encourages ambitious thinking and provides opportunities for personal growth within a supportive team
- Fosters a transformational and proactive work environment that values innovation
- Promotes skill development and offers career growth within the company
- Establishes a culture of collaboration and support among colleagues
- Embraces flexibility in work arrangements, including hybrid and remote setups
Benefits
- Competitive salary package
- Generous annual leave entitlements
- Flexibility in work hours and hybrid/remote work options
- Internal mobility program for career advancement
- Work perks, including a Crypto.com Visa card upon employment
About Crypto.com:
Founded in 2016, Crypto.com is a global cryptocurrency platform catering to over 80 million customers. Committed to fostering cryptocurrency adoption through innovation, the platform prioritizes security, privacy, and compliance in its operations. Crypto.com aims to empower individuals to build a fairer digital ecosystem by advancing cryptocurrency utilization.
Crypto.com is an equal opportunities employer that values diversity and inclusion. The company welcomes candidates from various backgrounds to strengthen its team.
Personal data provided will be used for recruitment purposes only. Only shortlisted candidates will be contacted.
Skills Required
Сrypto.com
Website
Сrypto.comCompany size
Not specified
Location
United States
Description
Not specified
Lumixion.io
Frontend Web3 Engineer | React | Solidity, Ethereum, Solana
Remote, USA
Remote, USA
Full time
Remote
About the RoleWe are seeking a React Web3 Developer to build decentralized applications and integrate smart contracts across multiple blockchain platforms. Candidates may have experience with Solana, Ethereum, Solidity, or similar smart contract technologies.ResponsibilitiesDevelop and maintain Web3 applications using ReactIntegrate and interact with smart contracts on various blockchainsImplement wallet connections and on-chain interactionsCollaborate with product and blockchain teamsWrite clean, secure, and well-documented codeRequirementsStrong experience with React and modern frontend developmentExperience with any smart contract platform (Solana, Ethereum, Solidity, or similar)Familiarity with Web3 libraries (ethers.js, web3.js, wagmi, etc.)Solid understanding of blockchain fundamentals and dApp architectureAbility to work independently with strong communication skillsPreferredExperience with DeFi, NFT, or multi-chain applicationsFull-stack Web3 experienceHiring ProcessTechnical TaskShortlisted candidates will be given access to a public repository. The task is to:Review the codebase and suggest improvements and optimizationsShare recommendations and best practices based on the existing implementationInclude screenshots of the terminal and browser as references where applicableSubmissions must be shared as:A Google Docs link, orA PDF documentTechnical Interview with CTOA detailed technical interview will be conducted with our CTO. Topics will include:In-depth discussion of the candidate’s understanding of the reviewed codebaseApproach to development challenges and best practicesCultural and Work Environment Interview with CEOThe final stage involves a meeting with the CEO to evaluate:Cultural fit within the companyWork ethic and attitudeAlignment with company values and visionExpectations regarding work environment and team collaboration
Payment in Crypto
XanaNetworo
Crypto Outreach Hunter – High Commission (Remote)
Full time
Remote
XanaNetwork (@xananetwork) is hiring 5–8 outreach hunters. We just relaunched — same core team with a track record of multi-hundred-million caps and six-figure holder bases. Your job:• Send 300–600 high-quality cold DMs per day on Twitter (DexScreener, Pump.fun, new launches)• Get warm replies → we close Pay (performance-first):• $800–$1,200 USD monthly base• + $1,500–$4,000 bonus per signed client• Top hunters clear $8k–$15k+/mo on commission• Paid trial $100 flat — first 8 who hit 5+ warm replies get hired No experience needed — we’ll train hungry people. Apply → DM @mainnetmike on Twitter with:1. How many DMs you can send daily2. Why you want the role Hungry & coachable only.
Payment in Crypto
John Paulson
Data Analyst
Full time
Remote
Bachelor’s degree in Data Science, Statistics, Mathematics, Computer Science, Economics, or a related quantitative field.Strong analytical and problem-solving skills with the ability to interpret complex datasets.Proficiency in SQL and experience working with relational databases.Solid knowledge of Python (Pandas, NumPy) or R for data analysis and automation.Experience building dashboards or visualizations using Tableau, Power BI, Looker, or similar tools.Understanding of statistical methods, A/B testing, and data modeling techniques.Ability to clearly communicate insights to both technical and non-technical stakeholders.Familiarity with Web3, blockchain metrics, on-chain data, and crypto ecosystems is a strong advantage.Ability to work independently, manage multiple tasks, and deliver on deadlines.Good written and spoken English.
Peeter Luik
Software Developer
Part time
Remote
I’m actively looking for a native Russian speaker who can expertly conduct or participate in job interviews—especially those requiring strong communication, technical understanding, and professional presence. This person should feel at ease discussing software engineering, or related topics, while also being able to assess a candidate’s clarity, depth, and overall fit. If you’re a fluent Russian speaker with the confidence and experience to shine in a technical interview setting, I’d be excited to connect and explore the opportunity with you.
Payment in Crypto
Noe Avila
Smart contract developer for a nft project
Hobbs, USA
Hobbs, USA
Full time
Remote
RAOUTE PROTOCOL is project name. I have the assessment already. Possibility close to 4 million when project has minted target goal
Payment in Crypto