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Fintech Senior Software Engineer Jobs in California

Finix

Senior Software Engineer

San Francisco, CA

$150K - $220K/yr

About Finix Finix is building the global operating system for fintech, starting with payments. From ... The Sr. Software Engineer role centers around envisioning superior technical solutions to our ...

ETAP Software

Senior Software Engineer

Irvine, CA · On-site

$129K - $171K/yr

They are seeking a Senior Software Engineer to maintain and enhance software that supports state estimation and virtual metering for complex electrical networks, as well as develop REST APIs and ...

Intuit

Senior Software Engineer

Mountain View, CA

$171K - $231K/yr

You will be deeply involved in the technical aspects of integrating our cutting-edge Fintech ... software engineering or integration role, with a strong preference for experience within the ...

Intuit

Senior Software Engineer

Mountain View, CA · On-site

$171K - $231K/yr

You will be deeply involved in the technical aspects of integrating our cutting-edge Fintech ... software engineering or integration role, with a strong preference for experience within the ...

CM Search

Senior Software Engineer (Backend)

San Francisco, CA · Remote

$144K - $190K/yr

Experience at a well known, high growth tech startup (see target companies below) - ideally fintech ... Backend expertise (front end engineers will be denied) * 4-6 years of software engineering ...

New

Xoriant Corporation

Sr. Software Engineer - SOC

San Jose, CA · On-site

$143K - $189K/yr

Job Title: Sr. Software Engineer - SOC (318578) Job Location: San Jose, CA (100% remote for now but need to be onsite as soon as campus opens) Duration: 6+ months contract Client: Samsung Description:

Career Launch

Senior Software Engineer

San Francisco, CA · On-site

$150 - $230/hr

Senior Software Engineer As a Senior Software Engineer, you may work on projects that require strong execution, communication, analytical judgment, and the ability to move quickly in ambiguous ...

New

Authorium

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

The Senior Software Engineer will play a foundational role in architecting complex systems, driving ... Previous work in compliance-heavy environments such as GovTech, FinTech, or HealthTech (FedRAMP ...

Prosum Inc.

Senior Software Engineer

Temecula, CA · On-site

$150K - $175K/yr

Senior Software Engineer / Technical Leader (Individual Contributor) Core Technologies: C/C++, Cryptography, Python, Linux/POSIX, Systems Programming Focus Areas: Secure software, cryptographic ...

Boosted.ai

Senior Software Engineer

San Francisco, CA

$144K - $190K/yr

... modern fintech and enterprise software, including Spark Capital, Ten Coves Capital, Portage ... Working closely with senior members of Boosted.ai's engineering and management teams, the ideal ...

Robinhood

Senior Software Engineer

Menlo Park, CA · On-site

$213.51 - $245/hr

We're looking for an exceptional Senior Software Engineer to help shape the future of our core ... FinTech is one of the most complex and rapidly evolving spaces in technology, and the challenges we ...

Robinhood

Senior Software Engineer

Menlo Park, CA · On-site

$213K - $245K/yr

We're looking for an exceptional Senior Software Engineer to help shape the future of our core ... FinTech is one of the most complex and rapidly evolving spaces in technology, and the challenges we ...

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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.

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 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.

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 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 August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Senior Software Engineer, Payments

Wonderschool

San Francisco, CA • Hybrid

$144K - $190K/yr

Full-time

Medical

Posted 26 days ago

Job description

Senior Software Engineer, Payments

Location: San Francisco (Rincon Hill)

Company Overview

Mission: Make high-quality early childhood education accessible to all by empowering childcare providers with tools and support while helping parents find quality learning environments.

What We're Building: A category-defining platform at the intersection of marketplace, SaaS, and public sector systems, increasingly powered by AI. Series B backed by a16z, Goldman Sachs, and First Round.

The Role

Own the engineering behind a payments platform that processes at least $3 billion through our platform, working alongside a small, dedicated team. We move money across banking, debit cards, Stripe, SAP, partner advances, and payroll, we run our own billing platform, and we lean on third-party partners for most of our fintech capabilities, so much of this is integration, orchestration, and tracking work. There is a lot to build here. You will consolidate and refactor a system built across many legacy integrations into something clean, reliable, and fast, and you will spend a lot of time directly with customers.

What You'll Do
  • Build alongside a dedicated payments team: consolidate and refactor a payments system assembled from many legacy system integrations
  • Build and maintain integrations across banking, debit cards, Stripe, SAP, partner advances, payroll, and our billing platform
  • Own the orchestration and tracking/reconciliation layer across our third-party fintech partners
  • Design for correctness first, because money movement demands it
  • Work directly with customers to understand real-world failure modes and edge cases
  • Partner daily with product to build, ship, measure, and iterate
  • Build within the laws and regulations governing payments and financial services
Who You Are
  • Senior engineer with a strong payments background and real experience building payment systems and integrations (fintech a plus)
  • Exceptionally high attention to detail; strong finance background is a plus
  • Excited to be close to the build and close to customers
  • Likes working on a small team and moving fast; bias toward action
  • Comfortable with the regulatory landscape around payments, banking, and cards
  • Uses AI tools and figures things out independently
Compensation & Benefits
  • Base salary: Competitive market rate
  • Equity: Significant, meaningful ownership
  • Full health coverage
  • Wellness stipend (gym and office)
  • Travel stipend for certain circumstances
Application

Apply with your resume and a short note on the most complex payments or integration system you have built.

This is a full-commitment, full-ownership role, based in our San Francisco office. You will work very closely with the CEO, in office five to six days a week.

Apply