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Fintech Senior Software Engineer Jobs in California

Pilot.com

Sr. Software Engineer

San Francisco, CA · On-site

$144.30K - $190.30K/yr

As a Senior Software Engineer on the team, you'll build product and platform capabilities that help ... Experience with fintech, accounting, or financial operations tooling * Experience integrating with ...

Pilot.com

Sr. Software Engineer

San Francisco, CA · On-site

$144.30K - $190.30K/yr

As a Senior Software Engineer on the team, you'll build product and platform capabilities that help ... Experience with fintech, accounting, or financial operations tooling * Experience integrating with ...

Pilot.com

Sr. Software Engineer

San Francisco, CA

$144.30K - $190.30K/yr

As a Senior Software Engineer on the team, you'll build product and platform capabilities that help ... Experience with fintech, accounting, or financial operations tooling * Experience integrating with ...

Anatomy Financial

Senior Software Engineer

San Mateo, CA · On-site

$139.50K - $183.90K/yr

Senior Software Engineer @ Anatomy Financial Anatomy is on a mission to automate financial ... Anatomy uses the latest advancements in AI and fintech to create seamless solutions purpose-built ...

Anatomy Financial

Senior Software Engineer

San Mateo, CA · On-site

$139.50K - $183.90K/yr

Senior Software Engineer @ Anatomy Financial Anatomy is on a mission to automate financial ... Anatomy uses the latest advancements in AI and fintech to create seamless solutions purpose-built ...

Top Engineer

Sr Software Engineer

San Francisco, CA · On-site

$144.30K - $190.30K/yr

Sr Software Engineer Step into a high-impact Sr Software Engineer opportunity with a confidential client, where you will help drive meaningful results across Software. This role offers the chance to ...

Top Engineer

Senior Software Engineer

San Diego, CA · On-site

$130.10K - $171.50K/yr

Senior Software Engineer Step into a high-impact Senior Software Engineer opportunity with a confidential client, where you will help drive meaningful results across Aerospace / Defense,Software.

Quilt Software

Senior Software Engineer

Irvine, CA · On-site

$131.50K - $173.40K/yr

About the Role We are seeking an experienced Senior Software Engineer to join one or more product ... Experience with POS systems, eCommerce, or fintech * Familiarity with PCI DSS, SOC 2, or financial ...

Quilt Software

Senior Software Engineer

Irvine, CA · On-site

$131.50K - $173.40K/yr

About the Role We are seeking an experienced Senior Software Engineer to join one or more product ... Experience with POS systems, eCommerce, or fintech * Familiarity with PCI DSS, SOC 2, or financial ...

Neon, Inc.

Senior Software Engineer

San Francisco, CA · On-site

$150K - $200K/yr

Founded by payments, fintech and gaming veterans, Neon focuses on product and partnership ... About the Role Neon is seeking a Senior Software Engineer who will help lead the development of one ...

Ascend

Senior Software Engineer

San Francisco, CA · On-site

$200K - $225K/yr

Senior Software Engineer Insurance is a $10T industry still running on PDFs, email threads, and ... fintech to modernize how money moves across the entire policy lifecycle, from collections to ...

Ascend

Senior Software Engineer

San Francisco, CA · On-site

$200K - $225K/yr

Senior Software Engineer Insurance is a $10T industry still running on PDFs, email threads, and ... fintech to modernize how money moves across the entire policy lifecycle, from collections to ...

interface.ai

Senior Software Engineer

San Francisco, CA · On-site

$144.30K - $190.30K/yr

As a Senior Software Engineer, you'll lead the design and implementation of scalable systems that ... • Background in fintech, banking infrastructure, or regulated financial environments • ...

New

Payactiv

Senior Software Engineer

Milpitas, CA · On-site

$139.60K - $184.10K/yr

Payactiv is a FinTech company in Silicon Valley, focused on providing workers with access to their earned wages. They are seeking a Senior Software Engineer who will be responsible for designing and ...

CU Direct

Sr Software Engineer

Irvine, CA · On-site

$131.50K - $173.40K/yr

About Origence With 30 years at the forefront of fintech innovation, we specialize in SaaS lending ... The Sr. Software Engineer will be responsible for the design/implementation of new software ...

Origence

Sr Software Engineer

Irvine, CA · On-site

$131.50K - $173.40K/yr

About Origence With 30 years at the forefront of fintech innovation, we specialize in SaaS lending ... The Sr. Software Engineer will be responsible for the design/implementation of new software ...

Origence

Sr Software Engineer

Irvine, CA · On-site

$131.50K - $173.40K/yr

About Origence With 30 years at the forefront of fintech innovation, we specialize in SaaS lending ... The Sr. Software Engineer will be responsible for the design/implementation of new software ...

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Fintech Senior Software Engineer information

What are the key skills and qualifications needed to thrive as a Fintech Senior Software Engineer, and why are they important?

To thrive as a Fintech Senior Software Engineer, you need advanced programming skills (such as Java, Python, or C++), a deep understanding of financial systems, and a degree in computer science or related field. Proficiency with cloud platforms (like AWS or Azure), knowledge of financial APIs, and familiarity with security protocols and regulatory compliance tools are typically required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and manage complex projects. These competencies are crucial for building secure, scalable, and innovative financial technology solutions in a highly regulated and rapidly evolving industry.

How does a Fintech Senior Software Engineer typically collaborate with cross-functional teams to deliver secure financial solutions?

As a Fintech Senior Software Engineer, you will regularly work with product managers, UX/UI designers, compliance specialists, and QA engineers to design, develop, and deploy secure financial applications. Collaboration often involves participating in agile ceremonies, reviewing technical requirements, and ensuring all solutions meet regulatory and security standards. Effective communication and teamwork are crucial, as you’ll need to balance innovation with strict compliance, and often mentor junior engineers in best practices. This cross-functional approach ensures that the final product is robust, user-friendly, and aligned with business objectives.

What does a Fintech Senior Software Engineer do?

A Fintech Senior Software Engineer is responsible for designing, developing, and maintaining complex software solutions tailored for the financial technology sector. This role involves working with technologies such as blockchain, payment processing systems, and security protocols to build scalable and secure financial applications. Senior engineers also mentor junior developers, collaborate with cross-functional teams, and ensure compliance with industry regulations. Their work is crucial in enabling innovative digital financial products and services.

What is the difference between Fintech Senior Software Engineer vs Fintech Software Developer?

AspectFintech Senior Software EngineerFintech Software Developer
Required CredentialsBachelor's/Master's in CS or related, 5+ years experienceBachelor's in CS or related, 1-3 years experience
Work EnvironmentDesigning complex systems, leading projectsImplementing features, coding, testing
Employer & Industry UsageFinancial tech firms, banks, startupsFintech companies, startups, financial institutions

The main difference between a Fintech Senior Software Engineer and a Fintech Software Developer lies in experience, responsibilities, and scope. Senior engineers typically lead projects, design system architecture, and mentor junior staff, while developers focus on coding and implementing features. Both roles require strong technical skills, but senior roles demand more experience and leadership capabilities.

What are popular job titles related to Fintech Senior Software Engineer jobs in California? For Fintech Senior Software Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Fintech Senior Software Engineer jobs in California look for? The top searched job categories for Fintech Senior Software Engineer jobs in California are:
What cities in California are hiring for Fintech Senior Software Engineer jobs? Cities in California with the most Fintech Senior Software Engineer job openings:
Fintech Senior Software Engineer jobs near you
Infographic showing various Fintech Senior Software Engineer job openings in California as of May 2026, with employment types broken down into 1% As Needed, 75% Full Time, 16% Part Time, and 8% Contract. Highlights an 88% Physical, and 12% Remote job distribution.
Senior Software Engineer - Partnerships

Senior Software Engineer - Partnerships

Kikoff

San Francisco, CA • On-site

$244K - $292K/yr

Full-time

Posted 8 days ago

Job description

Kikoff: The Fintech Powering Financial Security at Scale
Kikoff is a profitable, pre-IPO fintech company on a mission to empower everyone to achieve financial security. With record revenue growth in 2025 and a unicorn valuation, we've built a suite of products that help millions of people build credit, access liquidity, and save money.
We're scaling fast. Join us if you want to build something meaningful and help millions of people move forward financially.
Why Kikoff:
This is a consumer fintech startup, and you will be working with serial entrepreneurs who have built strong consumer brands and innovative products. We value extreme ownership, clear communication, a strong sense of craftsmanship, and the desire to create lasting work and work relationships. Yes, you can build an exciting business AND have real-life real-customer impact.
Senior Software Engineer - Partnerships
At Kikoff, we've redefined how people build financial confidence, helping millions of Americans establish credit, access smarter financial products, and reach their goals.
We're looking for a Senior Software Engineer to join our Partnerships Engineering team and build out large scale, deeply interwoven strategic partnerships with leading nationwide brands. In this role, you'll architect and build scalable solutions that power these enterprise customers' operations, working on complex integrations, multi-tenant systems, and high-impact features that directly influence business outcomes. You'll have significant ownership over how we design, build, and scale our B2B platform-from API architecture to enterprise integration patterns.
What We're Looking For
  • 5+ years of experience building and scaling production systems.
  • Comfortable leveraging AI tools to work smarter and ship better products faster without sacrificing quality.
  • Experience with Ruby on Rails is a plus but not required; we value strong fundamentals and the ability to learn quickly.
  • A builder's mindset - thrives in ambiguity, takes initiative, and enjoys owning systems end-to-end.
  • You communicate technical complexity clearly and appropriately depending on the audience, listen actively and humbly to feedback, and know that great software is built by teams, not individuals.
  • Deep understanding of system design, API development, and integrations, especially with third-party platforms.

Base Range
$244,000-$292,000 USD
Equal Employment Opportunity Statement
Kikoff Inc. is an equal opportunity employer. We are committed to complying with all federal, state, and local laws providing equal employment opportunities and considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.
Please reference the following for more information.

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