Senior Software Engineer (Golang/Ruby on Rails) - Fiat

Chengdu, China +3
Full time
Hybrid
Compensation is not specified
Role
Software Engineer
Description

We are seeking a dedicated individual to contribute to the development and enhancement of software for a range of innovative projects closely aligned with our core business operations. This position entails involvement in designing scalable applications, covering various components from frontend UI to backend infrastructure.

Responsibilities

  • Engage in backend service and operational development, contribute to architectural decision-making, collaborate on designs, conduct design reviews, write code, conduct code reviews, and implement products bridging applications to end-users
  • Enhance retail trading products and extend product reach to new regions
  • Tackle complex problems within large-scale backend infrastructure, identifying issues and implementing effective solutions
  • Deliver reliable trading information streams to customers and provide technical operational support for issue resolution
  • Take ownership of projects, fostering a culture of innovation by embracing new technologies and promoting experimentation
  • Work closely with the DevOps and Infrastructure team to enhance the technology stack for long-term engineering goals
  • Manage documentation for all implemented code and functionalities

Requirements

  • Excited about developing top-tier products to address real-world challenges, experienced in various technologies, self-driven, quick to learn, and possess a proactive attitude towards task completion
  • Open to receiving input from others, passionate about continuous improvement, willing to face challenges, and explore new opportunities
  • Possess strong organizational and interpersonal skills, with the ability to manage competing requirements from diverse stakeholders effectively
  • Prior experience in financial or payment systems is advantageous
  • Proficient in Ruby, Golang, and familiarity with other programming languages is beneficial
  • Knowledge of Postgres, Redis, and Kafka is preferred
  • Skilled in managing scalability, security, and optimizing performance.
Skills Required
Avatar
Сrypto.com
Company size
Not specified
Location
United States
Description
Not specified

More Full-time Jobs

Show more

Remote Translation – English to Multilingual

Washington D.C., USA
Washington D.C., USA
Full time
Remote
Hello,
I’m a multilingual translator available for remote collaboration.
My primary working language is English, and I translate from English into:
• Persian (native)
• German
• French
• Arabic
• Italian
• Portuguese
 
I deliver accurate, natural translations adapted to the target audience, not word-for-word output.
I’m detail-oriented, reliable, and comfortable working with remote teams on ongoing translation tasks.
My background in web and creative fields allows me to handle website and app content effectively, ensuring translations fit properly within layouts and user interfaces.
I’m happy to complete a short test translation if required.
Payment in crypto (USDT) through LaborX works perfectly for me.
Looking forward to your reply.
Payment in Crypto
500-1,000
Monthly
See details

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
7,000-10,000
Monthly
See details

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
800-1,200
Monthly
See details

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.
7,000
Monthly
See details

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
2,000-3,000
Monthly
See details