Senior Software Engineer - Special Projects
Status
Seattle, USA
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description
Circle is a pioneering financial technology company actively immersed in the advancement of the internet of money. Our focus lies in revolutionizing how value travels globally, almost instantaneously, and at reduced costs compared to traditional settlement systems. This revolutionary internet layer is shaping new payment possibilities, enhancing commerce, and influencing markets to foster global economic growth and bolster inclusivity. Our infrastructure, notably USDC, a blockchain-based dollar, empowers businesses, institutions, and developers to embrace these advancements and seize opportunities stemming from this pivotal fusion of money and technology.
About the Position:
Join our dynamic team at Circle as a proficient Senior/Staff Software Engineer dedicated to our USDC Smart Contract team. In this role, you will tactically lead the development and expansion of smart contracts for USDC across diverse blockchain protocols such as Ethereum, Solana, Cosmos, and more.
Key Responsibilities:
- Design, develop, test, and deploy secure smart contracts to ensure smooth and protected transactions.
- Upgrade existing smart contracts for increased efficiency, safety, and developer productivity.
- Incorporate top-tier security practices and optimize performance.
- Conduct risk evaluations concerning smart contract development on various blockchain platforms to identify vulnerabilities and implement appropriate protective measures for enhanced security and robustness.
Desired Skills and Experience:
Senior Software Engineer (III):
- Over 4 years of professional software development experience, inclusive of internships.
- More than 2 years of validated smart contract development experience on blockchain platforms.
- Strong proficiency in programming languages used for non-EVM smart contracts like Rust, Go, and others.
- Demonstrated expertise in at least one leading non-EVM blockchain ecosystem such as Cosmos or Solana.
- Proven track record in designing, coding, testing, and deploying secure and efficient smart contracts.
- Robust focus on implementing security best practices and integrating security measures in smart contract development.
Staff Software Engineer (IV) Requirements:
All criteria for a Senior Software Engineer with the following additions:
- Over 7 years of professional software development experience, encompassing internships.
- More than 4 years of established smart contract development expertise on blockchain platforms.
- Exceptional knowledge of non-EVM programming languages and technology stacks.
- Deep comprehension of blockchain principles and various blockchain and web3 protocols.
- Ability to lead technical teams, provide mentorship to junior engineers, and collaborate effectively with cross-functional teams.
- Effective communication skills to foster consensus-building within team members and stakeholders.
Additional Information:
- The position welcomes day-one PERM sponsorship for eligible candidates.
- Compensation is determined by factors like relevant experience, skill set, qualifications, and organizational requirements.
Com pensation Summaries:
- Starting salaries for Senior Software Engineers range from $147,500 - $195,000 with an annual bonus target of 12.5%.
- For Staff Software Engineers, base salaries range between $172,500 - $227,500 coupled with an annual bonus target of 15%.
Benefits and Discretionary Policy: Employees enjoy equity and benefits, including medical, dental, vision, and 401(k). Our discretionary vacation policy along with paid sick leave and holidays contribute to your work-life balance.
Diversity & Equality:
Circle values diversity and offers an equal opportunity workplace, fostering a culture where differences are embraced. We are committed to inclusivity and do not discriminate on the basis of various factors.
Stay innovative, challenge the status quo and redefine the future in financial technology with our empowered team at Circle!
Skills Required
Circle
Website
www.circle.comCompany size
Not specified
Location
United States
Description
Not specified
Status
Mark Mabery
Technical Meeting Support Specialist
Singapore
Singapore
Part time
Remote
Overview
We are a startup founded in 2022 and doing software development outsourcing.As most US agencies, our business is inside the US, and outsource the projects to the worldwide agencies and developers. We mainly work on Upwork and Linkedin and have some resources there. For managing projects, our partners and developers cannot attend the meetings because they handle 2~3 projects, and the English level is not native, So we are looking for a business partner who is in native English and can attend the client meetings.
Goals
Attend the initial client meetings and help our agency to get the new project. (Introduction, Technical Challenges, Culture meeting and …)
Attend the meetings using my team member’s name, not your name.
Attend the ongoing meetings and maintain the projects assigned.
Specifications
This role is a bit tricky and candidates should have in-depth software development experience (more than 7 years) and native English speaking level. The right candidate needs to attend the technical meetings and then answer the technical questions and coding tests by screen sharing. It’s a beneficial position for the candidates who has rich experience in software development since it's a non-code and fun position.
We are a startup founded in 2022 and doing software development outsourcing.As most US agencies, our business is inside the US, and outsource the projects to the worldwide agencies and developers. We mainly work on Upwork and Linkedin and have some resources there. For managing projects, our partners and developers cannot attend the meetings because they handle 2~3 projects, and the English level is not native, So we are looking for a business partner who is in native English and can attend the client meetings.
Goals
Attend the initial client meetings and help our agency to get the new project. (Introduction, Technical Challenges, Culture meeting and …)
Attend the meetings using my team member’s name, not your name.
Attend the ongoing meetings and maintain the projects assigned.
Specifications
This role is a bit tricky and candidates should have in-depth software development experience (more than 7 years) and native English speaking level. The right candidate needs to attend the technical meetings and then answer the technical questions and coding tests by screen sharing. It’s a beneficial position for the candidates who has rich experience in software development since it's a non-code and fun position.
Jack Lee
Interviewer (Native English)
Part time
Remote
Client-Facing Technical Partner - Remote
About
Small, experienced engineering team specializing in AI/ML, cloud, and full-stack development for US clients.
Role
We are looking for a native/fluent English speaker to represent our engineering team in client meetings, interviews, and project discussions.
Responsibilities
Join client meetings and interviews.
Communicate requirements, timelines, and technical approaches.
Bridge communication between clients and developers.
Build strong relationships with US-based clients.
Requirements
Native/fluent English speaker based in the US, Canada, or Latin America.
Strong verbal communication skills.
Basic understanding of software development, AI/ML, cloud, or web/mobile.
Comfortable with client-facing technical discussions.
Offer
30-50$/hr.
Fully remote and flexible schedule.
Full technical support during client meetings.
Direct access to US clients and networking opportunities.
Type: Partnership / Contractor
Location: Remote (US/Canada/Latin America)
About
Small, experienced engineering team specializing in AI/ML, cloud, and full-stack development for US clients.
Role
We are looking for a native/fluent English speaker to represent our engineering team in client meetings, interviews, and project discussions.
Responsibilities
Join client meetings and interviews.
Communicate requirements, timelines, and technical approaches.
Bridge communication between clients and developers.
Build strong relationships with US-based clients.
Requirements
Native/fluent English speaker based in the US, Canada, or Latin America.
Strong verbal communication skills.
Basic understanding of software development, AI/ML, cloud, or web/mobile.
Comfortable with client-facing technical discussions.
Offer
30-50$/hr.
Fully remote and flexible schedule.
Full technical support during client meetings.
Direct access to US clients and networking opportunities.
Type: Partnership / Contractor
Location: Remote (US/Canada/Latin America)
Payment in Crypto
SADR B
Founding Technical Partners for Oferli – Elite Web & Mobile Development Team🌐
Remote, USA
Remote, USA
Part time
Remote
I am Sadr, CEO of Oferli. We are building a high-performance, elite technical team, and I am looking for 5 to 10 dedicated founding technical partners to join me in this mission.
The Vision:
Oferli is a 100% decentralized ecosystem. While we are rooted in Web3, our expertise spans across professional web and mobile application development. We are not just another agency; we are crafting the next generation of digital solutions. Our goal is to set a new standard for excellence, transparency, and decentralization.
What I am looking for:
I am building a professional, senior-level "Elite Team." I am looking for partners who are truly passionate about the vision—not just short-term gains. By combining our individual expertise and portfolios, we will establish Oferli’s collective professional reputation.
Requirements:
Proven Expertise: You must be a senior-level professional. Please provide your portfolio showcasing your best work in web and mobile development.
Commitment: This is a founding partnership. We are looking for those who believe in the mission and are ready to tackle complex challenges together.
Professionalism: We operate with high standards. Communication and efficiency are key.
How We Work:
Collaboration: We use professional, secure channels for all communications. Qualified candidates will be contacted via email to be invited to our private workspace on Notion to align on our roadmap and launch our upcoming projects.
Decentralized Operations: We leverage Web3 tools for collaboration and compensation, maintaining a fully decentralized environment.
Growth: We are launching with a core team of at least 5 founding partners, scaling to 10, to deliver high-impact results for our clients.
Application Process:
If you are a senior professional ready to build a world-class, decentralized ecosystem, apply here on LaborX. Qualified candidates will be contacted via email for further professional vetting and onboarding.
Let’s build the future, together.
Sadr B
CEO, Oferli
The Vision:
Oferli is a 100% decentralized ecosystem. While we are rooted in Web3, our expertise spans across professional web and mobile application development. We are not just another agency; we are crafting the next generation of digital solutions. Our goal is to set a new standard for excellence, transparency, and decentralization.
What I am looking for:
I am building a professional, senior-level "Elite Team." I am looking for partners who are truly passionate about the vision—not just short-term gains. By combining our individual expertise and portfolios, we will establish Oferli’s collective professional reputation.
Requirements:
Proven Expertise: You must be a senior-level professional. Please provide your portfolio showcasing your best work in web and mobile development.
Commitment: This is a founding partnership. We are looking for those who believe in the mission and are ready to tackle complex challenges together.
Professionalism: We operate with high standards. Communication and efficiency are key.
How We Work:
Collaboration: We use professional, secure channels for all communications. Qualified candidates will be contacted via email to be invited to our private workspace on Notion to align on our roadmap and launch our upcoming projects.
Decentralized Operations: We leverage Web3 tools for collaboration and compensation, maintaining a fully decentralized environment.
Growth: We are launching with a core team of at least 5 founding partners, scaling to 10, to deliver high-impact results for our clients.
Application Process:
If you are a senior professional ready to build a world-class, decentralized ecosystem, apply here on LaborX. Qualified candidates will be contacted via email for further professional vetting and onboarding.
Let’s build the future, together.
Sadr B
CEO, Oferli
Payment in Crypto
Tommy Gunno
Full-time Hackintosh iOS development
Full time
Hybrid
We are currently seeking a skilled professional to join our team as a Full-time Hackintosh iOS Developer. In this role, you will be responsible for developing iOS applications for our Hackintosh platform. The ideal candidate will have a strong background in Web, Mobile, and Software Development, Engineering & Architecture, Customer Service, and Accounting and Consulting Specialist.
Responsibilities:
- Designing, developing, and implementing iOS applications for our Hackintosh platform
- Collaborating with cross-functional teams to define, design, and ship new features
- Troubleshooting application bugs and implementing solutions
- Ensuring the performance, quality, and responsiveness of applications
- Staying up-to-date with the latest industry trends and technologies
- Providing technical support and guidance to users as needed
Requirements:
- Proven work experience as an iOS Developer or similar role
- Proficient in Objective-C, Swift, and Xcode
- Strong understanding of iOS development best practices
- Excellent problem-solving skills
- Ability to work independently and as part of a team
- Strong communication and interpersonal skills
- Knowledge in web, mobile, and software development, engineering & architecture, customer service, and accounting and consulting specialist
If you are passionate about iOS development and eager to work on innovative projects in the Hackintosh space, we'd love to hear from you. Please apply with your resume and portfolio to be considered for this exciting opportunity.
Responsibilities:
- Designing, developing, and implementing iOS applications for our Hackintosh platform
- Collaborating with cross-functional teams to define, design, and ship new features
- Troubleshooting application bugs and implementing solutions
- Ensuring the performance, quality, and responsiveness of applications
- Staying up-to-date with the latest industry trends and technologies
- Providing technical support and guidance to users as needed
Requirements:
- Proven work experience as an iOS Developer or similar role
- Proficient in Objective-C, Swift, and Xcode
- Strong understanding of iOS development best practices
- Excellent problem-solving skills
- Ability to work independently and as part of a team
- Strong communication and interpersonal skills
- Knowledge in web, mobile, and software development, engineering & architecture, customer service, and accounting and consulting specialist
If you are passionate about iOS development and eager to work on innovative projects in the Hackintosh space, we'd love to hear from you. Please apply with your resume and portfolio to be considered for this exciting opportunity.
Payment in Crypto
Nahclimited
Software Engineer (Python)
Taipei, Taiwan
Taipei, Taiwan
Full time
Office
Our client is seeking a backend engineer to assume full responsibility for core functionalities on their medical imaging platform. In this role, you will not just hand off your code at the pull request stage but will be directly accountable for system accuracy, production stability, and the security of clinical data that impacts patient care directly.
The data science team creates machine learning models; your task is to create the robust, deterministic platform that supports them. Your responsibilities will include designing scalable architectures, resolving concurrency issues, ensuring seamless data migrations without downtime, and ensuring the stability of legacy services as their replacements are developed.
Responsibilities:
Full ownership of the technical roadmap of our Python/FastAPI ecosystem, encompassing API design, background task distribution, and production observability.
Manage and develop our PostgreSQL schema in terms of data integrity and persistence, including migrations, lock mechanisms, query optimization, and multi-tenant data isolation while adhering to HIPAA/PHI compliance.
Design and implement resilient image processing pipelines for handling intensive medical imaging files in asynchronous, event-driven workflows from ingestion and de-identification to model inference and result delivery.
Establish reliable API interfaces with frontend teams and clear model input/output contracts with data scientists to ensure a smooth cross-functional collaboration.
Keep thorough technical records, oversee the transition of legacy systems, and maintain Architecture Decision Records (ADRs).
Requirements:
Minimum of 5 years of software engineering experience with demonstrated production ownership and deep expertise in systems and backend fundamentals.
Proficiency in concurrency and distributed systems with a strong understanding of race conditions, deadlocks, idempotent processing, and messaging failure modes.
Hands-on experience with PostgreSQL internals and message brokers in a production environment.
Strong commitment to typed code, automated testing, CI/CD pipelines, Docker, and modern AI developer tools.
Ability to challenge requirements, set technical standards, and communicate effectively in both English and Chinese.
Nice-to-have Skills:
Familiarity with operating containerized workloads on Google Cloud Platform.
Direct experience with medical imaging workflows, DICOM standard protocols, or healthcare regulatory frameworks.
Knowledge of multi-tenant database patterns or deploying hybrid cloud/on-prem solutions.
Exposure to scientific computing contexts like NumPy, computational geometry, or frontend technologies like React/TypeScript.
Certain AI tools may be utilized in the hiring process for tasks such as application review and assessing candidate materials. These tools assist but do not replace human judgment, with final hiring decisions being made by humans. For more information on data processing, please contact us directly.
The data science team creates machine learning models; your task is to create the robust, deterministic platform that supports them. Your responsibilities will include designing scalable architectures, resolving concurrency issues, ensuring seamless data migrations without downtime, and ensuring the stability of legacy services as their replacements are developed.
Responsibilities:
Full ownership of the technical roadmap of our Python/FastAPI ecosystem, encompassing API design, background task distribution, and production observability.
Manage and develop our PostgreSQL schema in terms of data integrity and persistence, including migrations, lock mechanisms, query optimization, and multi-tenant data isolation while adhering to HIPAA/PHI compliance.
Design and implement resilient image processing pipelines for handling intensive medical imaging files in asynchronous, event-driven workflows from ingestion and de-identification to model inference and result delivery.
Establish reliable API interfaces with frontend teams and clear model input/output contracts with data scientists to ensure a smooth cross-functional collaboration.
Keep thorough technical records, oversee the transition of legacy systems, and maintain Architecture Decision Records (ADRs).
Requirements:
Minimum of 5 years of software engineering experience with demonstrated production ownership and deep expertise in systems and backend fundamentals.
Proficiency in concurrency and distributed systems with a strong understanding of race conditions, deadlocks, idempotent processing, and messaging failure modes.
Hands-on experience with PostgreSQL internals and message brokers in a production environment.
Strong commitment to typed code, automated testing, CI/CD pipelines, Docker, and modern AI developer tools.
Ability to challenge requirements, set technical standards, and communicate effectively in both English and Chinese.
Nice-to-have Skills:
Familiarity with operating containerized workloads on Google Cloud Platform.
Direct experience with medical imaging workflows, DICOM standard protocols, or healthcare regulatory frameworks.
Knowledge of multi-tenant database patterns or deploying hybrid cloud/on-prem solutions.
Exposure to scientific computing contexts like NumPy, computational geometry, or frontend technologies like React/TypeScript.
Certain AI tools may be utilized in the hiring process for tasks such as application review and assessing candidate materials. These tools assist but do not replace human judgment, with final hiring decisions being made by humans. For more information on data processing, please contact us directly.