Senior Software Engineer, Backend

Status
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description

Circle is a fintech company that operates in the realm of digital currency and blockchain technology. We are at the forefront of the emerging internet of money, enabling value to be exchanged digitally on a global scale, swiftly and cost-effectively. Our innovative infrastructure, including the blockchain-based dollar called USDC, empowers businesses, institutions, and developers to leverage the possibilities presented by this digital ecosystem.

What We Offer:

At Circle, we prioritize transparency and stability in our operations. As we expand our presence across various jurisdictions, we aim for agility and effectiveness in everything we do. Our employees embody our core company values of being Multistakeholder, Mindful, Driven by Excellence, and High Integrity. In a remote work environment, we thrive on collaboration, with each individual making a meaningful contribution to our collective success. Our work culture encourages fresh ideas and ensures that everyone has a stake in our organization.

Role Overview:

We are currently seeking a highly skilled and experienced Senior Backend Engineer to join our dynamic team at Circle. As a Senior Backend Engineer, you will play a key role in designing and developing various services on our wallet infrastructure while maintaining the underlying code.

Your Responsibilities:

In this role, your main tasks will include:

  • Analyzing data, processes, and codes to identify areas for improvement and develop effective solutions
  • Creating services, APIs, and SDKs that align with data protection standards and facilitate the implementation of protection controls for other developers
  • Collaborating with front-end developers and other team members to establish objectives and enhance the functionality and coherence of the codebase
  • Involvement in the entire application lifecycle
  • Building reusable code of high quality for future use
  • Conducting whitebox tests and optimizing performance
  • Actively participating in conferences and educational programs
  • Keeping up to date with new and emerging technologies and providing training and support to team members
  • Taking on project leadership as required

Our Core Values:

In everything you do at Circle, you will embody our four core values:

  • Multistakeholder: Demonstrating dedication and commitment to our customers, shareholders, employees, families, and local communities
  • Mindful: Displaying respect, active listening, and attention to detail
  • Driven by Excellence: Relentlessly pursuing excellence, rejecting mediocrity, and working intensively to achieve goals and ensure customer success
  • High Integrity: Valuing open and honest communication, holding yourself to high moral and ethical standards, and rejecting manipulation, dishonesty, and intolerance

Qualifications:

To thrive in this role, you should possess the following qualifications and skills:

  • Minimum of 4 years of professional software development experience, working with object-oriented languages such as Java and Go
  • Bachelor's degree or equivalent experience in Computer Science or a closely related field
  • Familiarity with Golang Web Frameworks like Gin and Fasthttp, and knowledge of Golang development tools like go mod and go lint
  • Experience with database operations, including MySQL, PostgreSQL, and NoSQL, and proficiency in operating databases through raw commands
  • Knowledge and experience in unit test development, with a focus on producing high-quality code
  • Strong understanding of microservices development cycle, programming techniques, and tools
  • Familiarity with cryptography is a plus
  • Excellent project and time management skills
  • Strong communication skills, with the ability to collaborate effectively with remote teams, share ideas, and present concepts
  • Self-starter mentality, thriving in a fast-paced environment and able to independently ship software that improves user experience while constantly improving your own work
  • Past experience leading technically on architecture and system design for teams of 2-4 members

Circle is proud to be an equal opportunity employer that values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. In certain locations, Circle participates in the E-Verify Program as required by law.

Skills Required
Avatar
Circle
Company size
Not specified
Location
United States
Description
Not specified
Status

More Full-time Jobs

Show more

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

Global Business Development Manager (KOL Partnerships) - LATAM

San Miguel, El Salvador +2
San Miguel, El Salvador +2
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Spanish. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto

Global Business Development Manager (KOL Partnerships) - MENA

Cairo, Egypt +5
Cairo, Egypt +5
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Arabic. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto

Senior Software Engineer (Go)

California, USA
California, USA
Full time
Remote
We are looking for a talented Senior Software Engineer with expertise in Go programming language to join our team. The successful candidate will be responsible for developing cutting-edge blockchain and crypto solutions, specifically focusing on smart contract development.
Key Responsibilities:
- Design, develop, and maintain blockchain applications using Go language.
- Implement smart contracts and integrate with existing blockchain frameworks.
- Collaborate with cross-functional teams to ensure efficient development and integration of software solutions.
Required Skills:
- Proficiency in Golang programming language.
- Strong understanding of blockchain technology and its applications.
- Experience in smart contract development.
- Knowledge of cryptography and security principles in the context of blockchain.
- Familiarity with blockchain frameworks such as Ethereum, Hyperledger, or other decentralized networks.
If you are passionate about blockchain and crypto technology, and have the skills to contribute to innovative software solutions, we would love to hear from you. Join us in shaping the future of decentralized applications with your expertise as a Senior Software Engineer.
160-220
Monthly
See details

Community Moderator

Full time
Remote
About Us
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role: Community Moderator (36k–90k)
We’re hiring a community moderator to support client communities across Telegram, Discord, and X.
This is a front-line, user-facing role requiring empathy, high engagement, and strong judgment.
Responsibilities
Moderate multiple client communities to ensure safety, clarity, and engagement.
Respond to user questions, coordinate AMA/announcement schedules, post updates.
Keep communities active during key moments: launches, airdrops, campaigns, content releases.
Identify community issues or risks early and escalate appropriately.
Summarize community sentiment and user feedback for internal strategy teams.
Maintain tone, credibility, and professionalism when interacting with users.
Requirements
Prior experience moderating Web3 communities or Web2 social groups.
Familiarity with crypto user behavior, culture, and community patterns.
Excellent written communication and quick response ability.
High reliability; able to cover activity across Asian time zones.
Familiarity with the Southeast Asia KOL landscape, with strong existing relationships preferred.
Bonus
Ability to create short-form content or memes.
Multilingual (EN + CN preferred).
Experience with community analytics tools.
Payment in Crypto
3,000-7,500
Monthly
See details