Staff Software Engineer - Rust/Ruby and Rails (375)
Status
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description
Want to advance your international career with the support of a GPTW certified, people-first company like Ubiminds? They are known for partnering with American software product companies and providing a unique blend of services in order to enhance their development capabilities. As a Staff Software Engineer, you will be a key player in developing a scalable data platform and member management solution for an exciting new product suite focused on Public Safety. Your responsibilities will include leading the technical development, addressing complex challenges in data exchange and performance, contributing to architectural decisions, and mentoring team members. You will work hands-on with technologies such as Ruby and Rust in a collaborative and fast-paced environment.
Responsibilities
- Design, create, and maintain scalable APIs for complex products.
- Manage and develop large-scale, reliable data pipelines.
- Write clean, tested, and well-documented code following best practices like TDD and code reviews.
- Contribute to technical discussions, architectural reviews, and product roadmap planning.
- Mentor junior engineers and advocate for engineering best practices.
- Take ownership of technical solutions and assist in shaping team culture.
Requirements
Mandatory Skills:
- Over 7 years of software engineering experience.
- Proficient in Rust and/or Ruby and Rails.
- Demonstrated experience in designing and building APIs and large-scale data systems.
- Enthusiasm for writing high-quality code and utilizing modern development practices.
- Strong communication skills and ability to work effectively in collaborative, distributed teams.
Nice to Have:
- Experience with mission-critical, highly available systems.
- Background in agile product development environments.
- Knowledge in the health care industry, with relevant domain expertise.
- Familiarity with AWS and leveraging cloud services.
About Ubiminds
Culture:
- People-First approach.
- Encourages personal growth and continual improvement.
- Thrives on facing challenges with commitment.
- Emphasizes teamwork and evolution together.
- Focuses on delivering high-quality services and exceeding expectations.
- Committed to honesty, transparency, and openness.
Perks and Benefits:
- Integrated into a product-based company akin to full-time employees.
- Full back-office support including career guidance and HR services.
- Remote-first policy promoting distributed team dynamics.
- Provided MacBook for work purposes.
- Access to growth opportunities and collaboration with tech professionals.
- English language improvement with free lessons.
- Referral bonus program available.
- Option to work in office with perks like massages, snacks, drinks, and games.
Skills Required
Ubiminds
Website
Not specified
Company size
Not specified
Location
United States
Description
Not specified
Status
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