Senior Full Stack Software Engineer - .NET, Python and REACT (428)
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description
Are you looking to advance your career internationally?
Ubiminds is here to assist you! We are a GPTW-certified company that prioritizes its people. Collaborating with American software product firms, we specialize in expanding their development capabilities by curating top-tier Brazilian talent to support their LATAM strategy, offering a unique blend of staff augmentation and employer-of-record services.
Our company is currently working with a revolutionary organization dedicated to transforming the way businesses discover, engage, and recruit top talent. Their end-to-end hiring platform connects companies and candidates effortlessly through video interviews, assessments, and AI-driven conversations. With a focus on ethical AI-powered hiring solutions, they have conducted over 70 million video interviews and engaged in 200 million chat-based candidate interactions for more than 1,200 clients worldwide.
This is your chance to not only propel your international career but also to be part of an innovative company. Apply now!
Responsibilities
We are looking for a Senior Full Stack Software Engineer to join a dynamic product team responsible for enhancing engagement and workflow solutions on a modern SaaS platform. This role requires a combination of expertise in full-stack development, strong architectural skills, and a pragmatic approach to balance innovation, delivery, and maintainability.
Key Responsibilities
- Lead the development of product features, APIs, and services using Python and .NET (C#).
- Develop user-friendly and high-performing interfaces with React, TypeScript, and CSS.
- Write secure, resilient code with thorough unit and integration testing.
- Design scalable technical solutions based on product requirements.
- Resolve complex system issues to ensure high availability and reliability.
- Conduct code reviews and provide guidance to fellow engineers.
- Drive research and technical planning for new projects.
- Implement effective automated testing strategies across different layers.
- Document design patterns and solutions for effective communication.
Requirements
Mandatory Skills
- Minimum 5 years of experience in software engineering for cloud-based SaaS applications.
- Proficiency in C#/.NET, Python (Django/Celery), and RESTful API architecture.
- Strong grasp of React, TypeScript, HTML, CSS, and UX best practices.
- Solid knowledge of SQL (PostgreSQL, MSSQL), including schema design and query optimization.
- Experience with AWS services, containerization, Docker, and microservices.
- Skilled in designing scalable systems on cloud infrastructure (preferably AWS).
- Proficient in Git for version control.
- Background in remote team collaboration and effective communication with cross-functional teams.
Nice-to-Have Skills
- Experience with Django, Celery, WebRTC, or legacy system integration.
- Familiarity with observability and logging tools (Splunk, OpenSearch).
- Background in CI/CD tools like Jenkins or Octopus.
- Hands-on experience with AWS services (Lambda, Fargate, etc.), Infrastructure as Code (Terraform).
- Familiarity with AI-powered IDEs and software security practices.
Perks and Benefits
As a Senior Software Engineer at Ubiminds, you will:
- Be considered part of a product-based company with full-time employee benefits.
- Receive comprehensive back-office support.
- Enjoy a remote-first policy with a distributed team.
- Be provided with company-provided laptops.
- Access growth opportunities by engaging with other tech professionals.
- Improve English communication skills through free lessons.
- Earn a candidate referral bonus.
- Take advantage of office amenities available in Florianópolis, including massages, snacks, drinks, and games.
Hiring Process
- Initial interview with Tech Recruiter for job-specific discussions.
- Client process involving technical challenges and assessments.
- Job offer.
We leverage artificial intelligence (AI) tools to enhance the hiring process by analyzing resumes and processing applications; however, these tools complement human judgment rather than replacing it. Feel free to contact us for more information on data processing methods.
Skills Required
Ubiminds
Website
Not specified
Company size
Not specified
Location
United States
Description
Not specified
Gi T
Script to filter new launches
Part time
Remote
We need a script that integrates with our custom rpc node.The script should detect newly launched token pairs on Meteora, and filter those that launched via Launchcoin (Believe).Once a new pair is detected, the script must send a discord webhook notification along side the twitter user who created the coin which can be found in metadataPrev exp with rpc required, similar type of work in future
Payment in Crypto
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
Rebecca Hannold
Senior Software Developer
Remote, USA
Remote, USA
Full time
Remote
BitPay, Inc., founded in 2011, is the world’s leading blockchain (cryptocurrency) payments company. We serve top merchants across six continents, providing a seamless and secure cryptocurrency payments experience. BitPay builds powerful tools to accept, store, and spend cryptocurrency safely and efficiently.
We’re looking for a Senior Backend Software Developer to join our remote US-based team and help craft the next generation of innovative products. If you thrive on solving complex problems, building scalable systems, and staying ahead of technology trends, this role is for you.
What You’ll Do:
Develop scalable and maintainable backend systems using Node.js and MongoDB
Collaborate with cross-functional teams to build features for customers and internal tools
Ensure high code quality through unit, integration, and functional testing, code reviews, and thorough documentation
Address challenges in scalability, reliability, and logging during development
Mentor and guide other developers, fostering growth and knowledge-sharing
Stay up-to-date with emerging technologies to keep our team innovative and competitive
What We’re Looking For:
5+ years of professional backend development experience
Expert in Node.js and MongoDB
Proven experience delivering production-ready APIs
Strong desire for continuous learning and process improvement
Track record of delivering high-quality software in professional environments
Passion for your craft, drive for progress, and commitment to excellence
Portfolio showcasing your work (e.g., GitHub)
Blockchain or fintech development experience
Highly Preferred: blockchain or fintech development experience
Bachelor’s degree in Computer Science or equivalent experience with notable projects
What We Offer:
Collaborate with a team of intelligent, enthusiastic individuals.
Thrive in a rapidly expanding crypto company with global reach, where your contributions make a tangible impact.
Work remote with a generous vacation policy, including the opportunity to take a sabbatical and select your own holidays.
Access to continuous learning and development opportunities, supported by professional development reimbursement.
Competitive salary package with comprehensive benefits, including fully covered medical and dental plans. We also offer telemedicine, life insurance, disability insurance, vision coverage, 401k, travel assistance, and more.
Option to receive payment in cryptocurrency, along with a crypto match program.
Stock option awards available to all employees.
Home office allowance, reimbursement for internet/cell expenses, complimentary Amazon Prime and Spotify subscriptions.
BitPay is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
If interested, please apply here: https://bitpay.applytojob.com/apply/jobs/details/4eZJqEucfX
We’re looking for a Senior Backend Software Developer to join our remote US-based team and help craft the next generation of innovative products. If you thrive on solving complex problems, building scalable systems, and staying ahead of technology trends, this role is for you.
What You’ll Do:
Develop scalable and maintainable backend systems using Node.js and MongoDB
Collaborate with cross-functional teams to build features for customers and internal tools
Ensure high code quality through unit, integration, and functional testing, code reviews, and thorough documentation
Address challenges in scalability, reliability, and logging during development
Mentor and guide other developers, fostering growth and knowledge-sharing
Stay up-to-date with emerging technologies to keep our team innovative and competitive
What We’re Looking For:
5+ years of professional backend development experience
Expert in Node.js and MongoDB
Proven experience delivering production-ready APIs
Strong desire for continuous learning and process improvement
Track record of delivering high-quality software in professional environments
Passion for your craft, drive for progress, and commitment to excellence
Portfolio showcasing your work (e.g., GitHub)
Blockchain or fintech development experience
Highly Preferred: blockchain or fintech development experience
Bachelor’s degree in Computer Science or equivalent experience with notable projects
What We Offer:
Collaborate with a team of intelligent, enthusiastic individuals.
Thrive in a rapidly expanding crypto company with global reach, where your contributions make a tangible impact.
Work remote with a generous vacation policy, including the opportunity to take a sabbatical and select your own holidays.
Access to continuous learning and development opportunities, supported by professional development reimbursement.
Competitive salary package with comprehensive benefits, including fully covered medical and dental plans. We also offer telemedicine, life insurance, disability insurance, vision coverage, 401k, travel assistance, and more.
Option to receive payment in cryptocurrency, along with a crypto match program.
Stock option awards available to all employees.
Home office allowance, reimbursement for internet/cell expenses, complimentary Amazon Prime and Spotify subscriptions.
BitPay is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
If interested, please apply here: https://bitpay.applytojob.com/apply/jobs/details/4eZJqEucfX
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
George I
Game Studio Hiring: Full-Stack, Mobile & 3D Web Developers
Part time
Remote
About Us
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
Full-Stack Developers
Backend and frontend development for web platform
Experience with game-related web services preferred
Mobile Developers
Native mobile app development
Cross-platform experience valued
Unity Developers
Gameplay mechanics implementation
3+ years Unity experience required
3D Web Developers
WebGL and Three.js expertise
Browser-based 3D rendering experience
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
Full-Stack Developers
Backend and frontend development for web platform
Experience with game-related web services preferred
Mobile Developers
Native mobile app development
Cross-platform experience valued
Unity Developers
Gameplay mechanics implementation
3+ years Unity experience required
3D Web Developers
WebGL and Three.js expertise
Browser-based 3D rendering experience
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
Payment in Crypto