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Internship Fintech Jobs in California (NOW HIRING)

Clerkie

Software Engineer Internship

San Francisco, CA · On-site +1

$80/hr

About Clerkie Clerkie is a fintech startup on a mission to democratize financial wellness using the ... About the internship As the newest addition to Team Clerkie, this Software Engineer Intern will ...

Clerkie

Software Engineer Internship

Los Angeles, CA · On-site +1

$80/hr

About Clerkie Clerkie is a fintech startup on a mission to democratize financial wellness using the ... About the internship As the newest addition to Team Clerkie, this Software Engineer Intern will ...

Checkbook

Checkbook Internship Talent Pool

San Mateo, CA · On-site +1

$17 - $22.75/hr

Checkbook Internship Talent Pool Hey there, future intern We're Checkbook .. a team of creative problem solvers modernizing payments and doing cool things in the FinTech space. We are a hybrid org ...

Checkbook

Checkbook Internship Talent Pool

San Mateo, CA · On-site

$17 - $22.75/hr

Checkbook Internship Talent Pool Hey there, future intern We're Checkbook .. a team of creative problem solvers modernizing payments and doing cool things in the FinTech space. We are a hybrid org ...

Kikoff

Software Engineer - Recent Grad

San Francisco, CA · On-site

$165K/yr

... FinTech unicorns. Our backend is written in Ruby on Rails on AWS, using lots of vanilla infrastructure. Our frontend and mobile apps are written in ReactJS on Vercel and Flutter. Strong internships ...

Kikoff

Software Engineer - Recent Grad

San Francisco, CA · On-site

... FinTech unicorns. Our backend is written in Ruby on Rails on AWS, using lots of vanilla infrastructure. Our frontend and mobile apps are written in ReactJS on Vercel and Flutter. Strong internships ...

flex.one

Financial Crime Analyst

San Francisco, CA · On-site

$60 - $80/hr

... fintech environment and grow into broader program responsibilities over time. What You'll Do ... crimes role (internship or co‑op experience considered) * Working knowledge of KYC/CDD ...

New

Finvest

Marketing Intern

San Francisco, CA · On-site

$17.75 - $23.50/hr

This is a summer internship, with the potential to transition into a full-time role based on mutual ... You are curious and eager to learn about fintech marketing * You have strong written and verbal ...

Maverick Payments

Underwriting Intern

Calabasas, CA · On-site

$22 - $27/hr

... internship reports onsite to our offices in Calabasas, CA. Pay Range: $22-27/hr This is an excellent opportunity to gain hands-on experience in fintech while contributing to impactful projects that ...

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All JobsFintech JobsInternship Fintech JobsInternship Fintech Jobs in California

Internship Fintech information

What is an internship in fintech?

An internship in fintech is a temporary position, typically for students or recent graduates, at a company that operates in the financial technology sector. Interns work on projects related to digital payments, online banking, blockchain, data analysis, or software development under the guidance of experienced professionals. The goal is to gain practical experience, develop technical and business skills, and understand how technology is transforming the financial industry.

What types of projects or tasks can I expect to work on during a fintech internship?

As a Fintech intern, you'll typically engage in a variety of projects such as assisting with data analysis, supporting the development or testing of financial applications, and conducting market research on emerging technologies. You may also collaborate with cross-functional teams, like product managers, software engineers, and compliance specialists, to help deliver innovative financial solutions. This hands-on experience provides valuable exposure to both the technical and business sides of Fintech, helping you build practical skills and industry insight.

What are the key skills and qualifications needed to thrive as an internship in fintech?

To thrive in a Fintech internship, you need a solid understanding of finance principles, analytical thinking, and familiarity with basic programming or data analysis, often supported by relevant coursework or a related degree in progress. Exposure to tools such as Excel, SQL, Python, or fintech platforms, and knowledge of compliance standards, can be highly valuable. Strong communication, problem-solving abilities, and adaptability help interns stand out in fast-paced, innovative environments. These skills and qualities are crucial for contributing effectively to projects, adapting to emerging technologies, and supporting the dynamic needs of fintech teams.

What are the most commonly searched types of Fintech jobs in California?

The most popular types of Fintech jobs in California are:

What are popular job titles related to Internship Fintech jobs in California?

For Internship Fintech jobs in California, the most frequently searched job titles are:

What job categories do people searching Internship Fintech jobs in California look for?

The top searched job categories for Internship Fintech jobs in California are:

What cities in California are hiring for Internship Fintech jobs?

Cities in California with the most Internship Fintech job openings:

Internship Fintech jobs near you
Infographic showing various Internship Fintech job openings in California as of August 2026, with employment types broken down into 10% Internship, 61% Full Time, 26% Part Time, 1% Temporary, and 2% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution.

Software Engineer Intern (FinTech)

Surlamer Investments

Newport Beach, CA • On-site

$35/hr

Other

Posted 4 days ago

Job description

Surlamer Investments is a Newport Beach-based private investment firm with a portfolio spanning algorithmic hedge funds, public markets, and technology-based private ventures.


We are incubating a FinTech startup at the intersection of AI and public markets, developing tools that give private investors institutional-grade decision-making capabilities through AI, large language models (LLMs), and advanced algorithms. 


This role is best suited for candidates with a strong technical foundation and an interest in financial markets and data-driven applications. You will work closely with engineers, analysts, and leadership to implement, test, and continuously improve core platform functionality, contributing directly to system performance, reliability, and product evolution.


Program:

  • Job Type: Internship
  • Pay: $35/hour
  • Length: 10 weeks | Potential for longer-term in the future
  • Time Commitment: 40 hours/week


Responsibilities

  • Contribute directly to the core codebase by implementing and improving features that impact platform performance and functionality
  • Contribute to backend infrastructure development for reliability and speed of execution (Cloud, AWS, Terraform, CI/CD)
  • Analyze existing systems and identify opportunities to improve performance, scalability, and reliability, and execute on those improvements
  • Design and optimize APIs and backend services that support financial data processing and platform operations
  • Build and enhance data pipelines and integrations with external financial data sources, ensuring accuracy and efficiency
  • Debug complex issues and improve overall code quality and system stability
  • Collaborate with engineers and analysts to translate business and product requirements into well-structured technical solutions
  • Evaluate system behavior and user workflows to propose and implement meaningful technical enhancements, not just incremental fixes


Qualifications

  • Strong programming skills in Python and JavaScript are required, with the ability to read, understand, and improve existing code 
  • Soon-to-be or recent graduate from a competitive university with a background in computer science, engineering, mathematics, or a related field
  • Must be in the final semester/quarter of an academic program, a recent graduate, or otherwise able to commit to 40 hours per week on-site for the duration of the internship
  • Understanding of software engineering fundamentals, including algorithms, APIs, and system design principles
  • Experience debugging and improving backend systems
  • Experience integrating APIs and working with external data sources
  • Financial markets, algorithmic trading, and fundamental analysis knowledge is highly preferred
  • Must be able to work on-site in Newport Beach, CA

Apply