Python Engineer (359)
Status
Florianópolis, Brazil
Full time
Remote
Compensation is not specified
Role
Backend Engineer
Description
Are you looking to advance in your international career? Join Ubiminds, a people-first company that partners with American software product companies to expand their development capabilities. We specialize in providing top-tier talent from Brazil to support their LATAM strategy, offering a unique blend of staff augmentation and employer-of-record services.
We are currently working with a global rating agency focused on rebuilding trust in credit ratings and providing accurate and transparent ratings.
Responsibilities
- Build frontends in Python and tackle complex problems while collaborating with cross-functional teams.
- Develop, test, and maintain scalable Python applications.
- Work closely with product managers, designers, and engineers to deliver high-quality software solutions.
- Write clean, efficient, and reusable code following best practices.
- Participate in code reviews, troubleshoot and debug issues promptly.
- Contribute to the design and architecture of new features and systems.
- Stay updated on industry trends and technologies.
Requirements
Mandatory Skills
- Proficient in English with excellent written and verbal communication skills.
- Experience in Python development and a strong grasp of the language.
- Familiarity with web frameworks like Django, Flask, and Dash.
- Knowledge of relational databases, with a preference for Snowflake.
- Proficiency in version control systems such as Git.
- Strong problem-solving skills and attention to detail.
Nice to Have
- Experience with cloud platforms like AWS, Azure, and Google Cloud.
- Familiarity with Airflow, MongoDB, Salesforce, containerization tools like Docker and Kubernetes.
- Understanding of CI/CD pipelines, DevOps practices, RESTful APIs, and microservices architecture.
- Knowledge of Agile Methodologies.
Soft Skills
- Effective communication skills.
- Flexibility in engaging with various stakeholders.
- Strong problem-solving abilities.
- Ability to work well in a collaborative team environment.
- Willingness to learn and enhance technical skills continuously.
About Ubiminds
Our Culture
- Emphasis on prioritizing people.
- Encouragement of continuous self-improvement and embracing challenges.
- A commitment to teamwork and collective evolution.
- Dedication to delivering high-quality services and exceeding expectations.
- Assurance of honesty, transparency, and openness in all situations.
Perks and Benefits
As a Python Engineer at Ubiminds:
- Enjoy a supportive environment within a product-based company.
- Benefit from comprehensive back-office support, career guidance, HR services, and concierge assistance.
- Work in a remote-first policy with a distributed team.
- Receive a company-provided MacBook.
- Access growth opportunities through tech talks with technology professionals.
- Enhance your English skills through free lessons with a native speaker.
- Competitive candidate referral bonus incentives available.
Recruitment Process
- Initial chat with a Tech Recruiter to discuss the job opening and your experiences.
- Client-specific interview process.
- Formal job offer.
If you are passionate about Python development and looking to be part of an innovative and collaborative team, apply now to join Ubiminds and take your career to new heights!
Skills Required
Ubiminds
Website
Not specified
Company size
Not specified
Location
United States
Description
Not specified
Status
Ligo Network
Prop Trader (Crypto Market) Ligo Network
Singapore
Singapore
Full time
Remote
The Role
As a Proprietary Trader at Ligo Network, you’ll leverage your deep understanding of crypto markets, meme ecosystems, and DeFi protocols to generate alpha and execute high-frequency, high-reward strategies. This role is designed for fearless traders who thrive in fast-paced environments and possess an uncanny ability to spot trends before they go viral.
Key Responsibilities
Develop and deploy proprietary trading strategies across decentralized exchanges (DEXs), meme coins, and emerging Web3 assets.
Execute high-frequency trades with precision, capitalizing on market inefficiencies and volatility.
Analyze on-chain data, social sentiment, and macroeconomic trends to identify alpha opportunities.
Manage risk dynamically while optimizing portfolio performance in rapidly shifting markets.
Collaborate with Flappy DAO’s network of elite traders to share insights and refine collective strategies.
Stay ahead of the curve by exploring new protocols, airdrops, and meta shifts in the crypto landscape.
Who We’re Looking For
✅ Proven experience in crypto trading, with a track record of profitability in meme coins, altcoins, or derivatives.
✅ Deep expertise in Web3 ecosystems (DeFi, NFTs, DAOs) and familiarity with tools like DexScreener, DeFiLlama, and Telegram alpha groups.
✅ Meme coin savant: Ability to decode viral trends, community narratives, and hype cycles.
✅ Risk management mastery: Discipline to balance aggressive plays with capital preservation.
✅ Technical edge: Proficiency in trading bots, on-chain analytics, and smart contract interactions.
✅ Entrepreneurial mindset: Self-driven, adaptable, and hungry to innovate in a decentralized world.
Why Join Ligo Network?
Access to exclusive alpha: Tap into insider insights, early-stage projects, and proprietary tools.
Elite network: Collaborate with top-tier traders and crypto OGs shaping the future of finance.
Cutting-edge resources: Leverage advanced analytics, AI-driven signals, and decentralized infrastructure.
Competitive compensation: Earn performance-based rewards with uncapped upside.
Shape Web3: Be at the forefront of DeFi innovation and meme-driven market movements.
As a Proprietary Trader at Ligo Network, you’ll leverage your deep understanding of crypto markets, meme ecosystems, and DeFi protocols to generate alpha and execute high-frequency, high-reward strategies. This role is designed for fearless traders who thrive in fast-paced environments and possess an uncanny ability to spot trends before they go viral.
Key Responsibilities
Develop and deploy proprietary trading strategies across decentralized exchanges (DEXs), meme coins, and emerging Web3 assets.
Execute high-frequency trades with precision, capitalizing on market inefficiencies and volatility.
Analyze on-chain data, social sentiment, and macroeconomic trends to identify alpha opportunities.
Manage risk dynamically while optimizing portfolio performance in rapidly shifting markets.
Collaborate with Flappy DAO’s network of elite traders to share insights and refine collective strategies.
Stay ahead of the curve by exploring new protocols, airdrops, and meta shifts in the crypto landscape.
Who We’re Looking For
✅ Proven experience in crypto trading, with a track record of profitability in meme coins, altcoins, or derivatives.
✅ Deep expertise in Web3 ecosystems (DeFi, NFTs, DAOs) and familiarity with tools like DexScreener, DeFiLlama, and Telegram alpha groups.
✅ Meme coin savant: Ability to decode viral trends, community narratives, and hype cycles.
✅ Risk management mastery: Discipline to balance aggressive plays with capital preservation.
✅ Technical edge: Proficiency in trading bots, on-chain analytics, and smart contract interactions.
✅ Entrepreneurial mindset: Self-driven, adaptable, and hungry to innovate in a decentralized world.
Why Join Ligo Network?
Access to exclusive alpha: Tap into insider insights, early-stage projects, and proprietary tools.
Elite network: Collaborate with top-tier traders and crypto OGs shaping the future of finance.
Cutting-edge resources: Leverage advanced analytics, AI-driven signals, and decentralized infrastructure.
Competitive compensation: Earn performance-based rewards with uncapped upside.
Shape Web3: Be at the forefront of DeFi innovation and meme-driven market movements.
Payment in Crypto
Astra Byte Sync
Blockchain Specialist for Game-Fi Project
Full time
Remote
We are seeking a skilled Blockchain Specialist to become a part of our groundbreaking Game-Fi initiative! If you have a deep passion for gaming, decentralized finance, and the latest technological advancements, this could be your ideal role.
Primary Duties:
- Create and implement smart contracts for in-game transactions and assets.
- Develop secure blockchain solutions that guarantee player ownership and protect asset integrity.
- Work closely with our game development team to smoothly incorporate blockchain technology into our gaming platform.
- Keep abreast of the latest developments and best practices within the blockchain and gaming sectors.
Qualifications:
- Demonstrated experience as a Blockchain Developer or in a similar position.
- Expertise in Solidity, with experience in Ethereum or other blockchain technologies.
- Solid understanding of Game-Fi principles and how blockchain can elevate the gaming experience.
- Familiarity with DeFi protocols and tokenomics.
- Ability to work effectively within a team and convey technical information to non-technical audiences.
Desirable Skills:
- Experience in NFT development and related platforms.
- Understanding of cryptographic concepts and security best practices.
If you are eager to embrace a new challenge and contribute to the evolution of gaming through blockchain technology, we would love to hear from you!
Primary Duties:
- Create and implement smart contracts for in-game transactions and assets.
- Develop secure blockchain solutions that guarantee player ownership and protect asset integrity.
- Work closely with our game development team to smoothly incorporate blockchain technology into our gaming platform.
- Keep abreast of the latest developments and best practices within the blockchain and gaming sectors.
Qualifications:
- Demonstrated experience as a Blockchain Developer or in a similar position.
- Expertise in Solidity, with experience in Ethereum or other blockchain technologies.
- Solid understanding of Game-Fi principles and how blockchain can elevate the gaming experience.
- Familiarity with DeFi protocols and tokenomics.
- Ability to work effectively within a team and convey technical information to non-technical audiences.
Desirable Skills:
- Experience in NFT development and related platforms.
- Understanding of cryptographic concepts and security best practices.
If you are eager to embrace a new challenge and contribute to the evolution of gaming through blockchain technology, we would love to hear from you!
Payment in Crypto
Winnables
Full Stack Developer (Front End Leaning)
Full time
Remote
Job Description:
Winnables.com is looking for a creative front-end-leaning Full Stack Developer who loves bringing slick, engaging user experiences to life while still caring about the behind-the-scenes details.
You’ll collaborate closely with designers and product leads, iterate quickly on new ideas, and see the direct impact of your work in the hands of players around the world.
If you enjoy mixing imaginative front-end polish with just enough back-end know-how to make the magic happen, we’d love to hear from you.
Key Responsabilities:
Transform design mock-ups and product concepts into polished, responsive game screens, animations, and flows.
Collaborate daily with designers, product leads, and blockchain engineers to prototype, ship, and iterate on new games or new features.
Continuously test, debug, and optimize for performance across devices and network conditions.
Review code, share best practices, and help keep our small codebase clean, secure, and easy to extend.
Use player feedback and analytics to refine existing features and guide new ideas from concept to launch.
Champion accessibility and web-standards compliance, ensuring every player—regardless of device or ability—has a first-class experience.
What You’ll Be Building
Build interactive mini-games that deliver smooth, responsive gameplay.
Create real-time multiplayer features and live game mechanics.
Develop pack-opening systems with eye-catching, engaging animations.
Engineer raffle and lottery-style games that are fully on-chain and provably fair.
Implement Plinko and other physics-based games, tuned for fun and balance.
Craft user-friendly interfaces that perform flawlessly across mobile, tablet, and desktop.
Qualifications:
Tech Stack:
Core: TypeScript · React & Next.js · Node.js · Zustand · WebSockets & REST
Data & Infra: PostgreSQL (Supabase) · Redis · Docker · GitHub
Observability: Grafana · PostHog
Design & Web3: Figma · viem / wagmi
What We're Looking For
Strong experience with TypeScript and modern JavaScript
Solid understanding of React and Next.js ecosystem
Experience building real-time applications with WebSockets
Familiarity with Node.js backend development
Knowledge of PostgreSQL and database design
Experience with responsive design and mobile-first development
Understanding of state management patterns (Zustand experience preferred)
Understanding of web security fundamentals (CSRF protection, secure authentication flows, input validation)
Interest in gaming mechanics and interactive user experience.
Nice to Have
Experience with gaming or interactive application development
Knowledge of blockchain technologies and Web3 integration
Familiarity with monitoring tools (Grafana, PostHog)
Experience with Docker and containerization
Understanding of real-time multiplayer game architecture
Company Description:
Winnables.com is on a mission to re-imagine iGaming through full on-chain transparency. We believe players deserve provably fair odds, transparent math, and no black-box RNGs. Every spin and ticket purchase is recorded immutably on Ethereum, so anyone can audit the outcome, track prize pools, or even build their own analytics on top of our contracts.
All of our games are designed and engineered 100% in-house by a small, senior team that blends game design, cryptography, and smart-contract security. We currently operate two flagship experiences:
Raffles – transparent prize drawings where every ticket lives on-chain, letting players verify fairness before and after the draw.
Loot Packs – blockchain-powered loot boxes that reveal randomized rewards with engaging pack-opening animations.
We’re still just getting started. The roadmap is full of green-field challenges—and real, measurable impact on an industry ripe for change. Join us and help craft the next generation of fair, fun, and truly player-owned gaming.
Winnables.com is looking for a creative front-end-leaning Full Stack Developer who loves bringing slick, engaging user experiences to life while still caring about the behind-the-scenes details.
You’ll collaborate closely with designers and product leads, iterate quickly on new ideas, and see the direct impact of your work in the hands of players around the world.
If you enjoy mixing imaginative front-end polish with just enough back-end know-how to make the magic happen, we’d love to hear from you.
Key Responsabilities:
Transform design mock-ups and product concepts into polished, responsive game screens, animations, and flows.
Collaborate daily with designers, product leads, and blockchain engineers to prototype, ship, and iterate on new games or new features.
Continuously test, debug, and optimize for performance across devices and network conditions.
Review code, share best practices, and help keep our small codebase clean, secure, and easy to extend.
Use player feedback and analytics to refine existing features and guide new ideas from concept to launch.
Champion accessibility and web-standards compliance, ensuring every player—regardless of device or ability—has a first-class experience.
What You’ll Be Building
Build interactive mini-games that deliver smooth, responsive gameplay.
Create real-time multiplayer features and live game mechanics.
Develop pack-opening systems with eye-catching, engaging animations.
Engineer raffle and lottery-style games that are fully on-chain and provably fair.
Implement Plinko and other physics-based games, tuned for fun and balance.
Craft user-friendly interfaces that perform flawlessly across mobile, tablet, and desktop.
Qualifications:
Tech Stack:
Core: TypeScript · React & Next.js · Node.js · Zustand · WebSockets & REST
Data & Infra: PostgreSQL (Supabase) · Redis · Docker · GitHub
Observability: Grafana · PostHog
Design & Web3: Figma · viem / wagmi
What We're Looking For
Strong experience with TypeScript and modern JavaScript
Solid understanding of React and Next.js ecosystem
Experience building real-time applications with WebSockets
Familiarity with Node.js backend development
Knowledge of PostgreSQL and database design
Experience with responsive design and mobile-first development
Understanding of state management patterns (Zustand experience preferred)
Understanding of web security fundamentals (CSRF protection, secure authentication flows, input validation)
Interest in gaming mechanics and interactive user experience.
Nice to Have
Experience with gaming or interactive application development
Knowledge of blockchain technologies and Web3 integration
Familiarity with monitoring tools (Grafana, PostHog)
Experience with Docker and containerization
Understanding of real-time multiplayer game architecture
Company Description:
Winnables.com is on a mission to re-imagine iGaming through full on-chain transparency. We believe players deserve provably fair odds, transparent math, and no black-box RNGs. Every spin and ticket purchase is recorded immutably on Ethereum, so anyone can audit the outcome, track prize pools, or even build their own analytics on top of our contracts.
All of our games are designed and engineered 100% in-house by a small, senior team that blends game design, cryptography, and smart-contract security. We currently operate two flagship experiences:
Raffles – transparent prize drawings where every ticket lives on-chain, letting players verify fairness before and after the draw.
Loot Packs – blockchain-powered loot boxes that reveal randomized rewards with engaging pack-opening animations.
We’re still just getting started. The roadmap is full of green-field challenges—and real, measurable impact on an industry ripe for change. Join us and help craft the next generation of fair, fun, and truly player-owned gaming.
Jack Milton
Full Stack Developer (Web3/Crypto)
London, UK
London, UK
Full time
Remote
We're hiring a full stack developer to help build a suite of Web3 products - lightweight tools designed to scale fast. You’ll work directly with the founding team to ship high-impact tools used by founders, investors, and crypto communities.
Over the next 4–6 months, we’re rolling out four standalone products - including a Web3 project directory, a community engagement platform, and other tools designed to drive discovery and visibility across the space. You’ll have end-to-end ownership of what you ship.
Tech Stack & Skills:
React / Next.js or similar (full stack comfort)
Node.js, Firebase, or lightweight backend setups
CMS integration (Sanity, Notion, Airtable, etc.)
REST APIs, data scraping, automation
Strong grasp of Web3 (tokens, on-chain data, dApps)
Bonus: Vercel, CoinMarketCap API, any Web3 SDKs
Who this is for:
You’ve built and shipped products solo or with small teams
You’re crypto-native and enjoy exploring new tools/protocols
You’re fast, self-driven, and prefer ownership to micromanagement
You write clean code but iterate quickly
What Success Looks Like (First 60 Days)
Launch 1–2 working products with CMS and frontend live
Build automation for token sourcing + database updates
Deliver clean UIs with fast-loading pages and working filters
Support backend tools for campaign dashboards or scraping
Details
Full-time (contractor, with option to go permanent)
Remote + async (Europe/Asia timezone preferred)
Competitive base + performance bonuses
No corporate fluff - just fast builds, useful products, and full ownership
To apply:
Send GitHub, portfolio, or 1–2 examples of tools you’ve built solo or in a small team - especially anything Web3-related.
Over the next 4–6 months, we’re rolling out four standalone products - including a Web3 project directory, a community engagement platform, and other tools designed to drive discovery and visibility across the space. You’ll have end-to-end ownership of what you ship.
Tech Stack & Skills:
React / Next.js or similar (full stack comfort)
Node.js, Firebase, or lightweight backend setups
CMS integration (Sanity, Notion, Airtable, etc.)
REST APIs, data scraping, automation
Strong grasp of Web3 (tokens, on-chain data, dApps)
Bonus: Vercel, CoinMarketCap API, any Web3 SDKs
Who this is for:
You’ve built and shipped products solo or with small teams
You’re crypto-native and enjoy exploring new tools/protocols
You’re fast, self-driven, and prefer ownership to micromanagement
You write clean code but iterate quickly
What Success Looks Like (First 60 Days)
Launch 1–2 working products with CMS and frontend live
Build automation for token sourcing + database updates
Deliver clean UIs with fast-loading pages and working filters
Support backend tools for campaign dashboards or scraping
Details
Full-time (contractor, with option to go permanent)
Remote + async (Europe/Asia timezone preferred)
Competitive base + performance bonuses
No corporate fluff - just fast builds, useful products, and full ownership
To apply:
Send GitHub, portfolio, or 1–2 examples of tools you’ve built solo or in a small team - especially anything Web3-related.
Payment in Crypto
berttha walker
UI/UX Designer
Full time
Remote
UI/UX Designer for SaaS Dashboard (Figma)
Job Summary:
We're building ClearTrack, a lightweight SaaS tool for tracking tasks and performance in remote teams. We're looking for a UI/UX designer to design 6–8 clean, modern dashboard screens (desktop + mobile).
Scope of Work:
1. Design dashboard UI (Task List, Time Tracker, Reports, Settings)
2. Create responsive mockups in Figma
3. Deliver clickable prototype + style guide
4. Collaborate with our developer for smooth handoff
Budget:
Fixed: $800–$1200 (negotiable based on experience)
Requirements:
1. SaaS/dashboard UI design experience
2. Proficiency in Figma
3. Strong communication & fast turnaround
To Apply:
If you're interested, please:
1. Send a short proposal letter explaining why you're a good fit
2. Share your portfolio (SaaS/dashboard preferred)
3. Include your email address
4. Mention your availability and estimated delivery time
Bonus if you have:
Experience designing admin panels or productivity tools
Job Summary:
We're building ClearTrack, a lightweight SaaS tool for tracking tasks and performance in remote teams. We're looking for a UI/UX designer to design 6–8 clean, modern dashboard screens (desktop + mobile).
Scope of Work:
1. Design dashboard UI (Task List, Time Tracker, Reports, Settings)
2. Create responsive mockups in Figma
3. Deliver clickable prototype + style guide
4. Collaborate with our developer for smooth handoff
Budget:
Fixed: $800–$1200 (negotiable based on experience)
Requirements:
1. SaaS/dashboard UI design experience
2. Proficiency in Figma
3. Strong communication & fast turnaround
To Apply:
If you're interested, please:
1. Send a short proposal letter explaining why you're a good fit
2. Share your portfolio (SaaS/dashboard preferred)
3. Include your email address
4. Mention your availability and estimated delivery time
Bonus if you have:
Experience designing admin panels or productivity tools
Payment in Crypto