Senior Software Engineer, AI Platform


Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data — globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure – including USDC, a blockchain-based dollar – helps businesses, institutions and developers harness these breakthroughs and capitalize on this major turning point in the evolution of money and technology.

What you’ll be part of:

Circle is committed to visibility and stability in everything we do. As we grow as an organization, we're expanding into some of the world's strongest jurisdictions. Speed and efficiency are motivators for our success and our employees live by our company values: Multistakeholder, Mindfulness, Driven by Excellence and High Integrity. Circlers are consistently evolving in a remote world where strength in numbers fuels team success. We have built a flexible and diverse work environment where new ideas are encouraged and everyone is a stakeholder.

What you’ll be responsible for:

Circle is looking for an experienced software engineer to join our new AI Platform team.  As one of the founding members of this new team, you will help drive efficiency with our internal tools and external products by adopting Generative AI across the company.

What you'll work on:

  • Design and develop end-to-end generative AI and large-language model applications and services for internal and external products.
  • Design and build services and integrations for AI pipelines for LLM fine-tuning, prompt tuning and engineering, benchmarking, and RAG for various generative AI use-cases.
  • Collaborate with cross-functional teams to identify areas of efficiency and automations by the use of AI technologies.
  • Be a subject matter expert on AI by keeping up to date with the fast-moving AI landscape.
  • Contribute to the strategic planning of the AI team, helping to define the vision, goals, and roadmap for AI development and integration.

You will aspire to our four core values:

  • Multistakeholder - you have dedication and commitment to our customers, shareholders, employees and families and local communities.
  • Mindful - you seek to be respectful, an active listener and to pay attention to detail.  
  • Driven by Excellence - you are driven by our mission and our passion for customer success which means you relentlessly pursue excellence, that you do not tolerate mediocrity and you work intensely to achieve your goals. 
  • High Integrity - you seek open and honest communication, and you hold yourself to very high moral and ethical standards.  You reject manipulation, dishonesty and intolerance.

What you’ll bring to Circle:

Senior Software Engineer (III)

  • 4+ years of professional software development experience.
  • Proven experience with Python, Java, Javascript/Typescript, and other similar languages.
  • Expertise with generative AI, large language models (ChatGPT, llama2, etc) general machine learning foundations, or other closely related AI specializations..
  • Cloud services expertise (AWS preferred)
  • Experience with GenAI tools like LangChain, Ollama
  • Familiarity with vector databases such as Pinecone, Weaviate, Milvus, pgvector, etc.
  • RESTful API design and development  principles
  • Self-starter, and willingness to research and iterate on new AI tooling and infrastructure

Additional Information:

  • This position is eligible for day-one PERM sponsorship for qualified candidates.

Circle is on a mission to create an inclusive financial future, with transparency at our core. We consider a wide variety of elements when crafting our compensation ranges and total compensation packages.

Starting pay is determined by various factors, including but not limited to: relevant experience, skill set, qualifications, and other business and organizational needs. Please note that compensation ranges may differ for candidates in other locations.

Base Pay Range: $147,500 - $195,000

Annual Bonus Target: 12.5%

Also Included: Equity & Benefits (including medical, dental, vision and 401(k)). Circle has a discretionary vacation policy. We also provide 10 days of paid sick leave per year and 11 paid holidays per year in the U.S.

We are an equal opportunity employer and value diversity at Circle. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Additionally, Circle participates in the E-Verify Program in certain locations, as required by law.


We’re looking far and wide for the right people.

At Circle, we know firsthand that great work can be delivered remotely – and we see tremendous value in the flexibility this affords Circlers and their families. Outside of our virtual meetings – we stay connected and build lasting relationships with our colleagues through local, in-person meetups, team and department offsites, and regular company-wide events.

As a global organization, we seek to hire the best talent in a variety of cities around the world. In some cases, we look for candidates who align to a particular team’s geography or time zone to help maximize productivity and ensure strong employee experiences. If you feel this job is right for you, select the city closest to you from the list below to apply.