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Fintech Senior Software Engineer Jobs in Temecula, CA

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 ...

Britech Group, Inc.

Sr Java Software Engineer

Vista, CA · On-site

$127K - $168K/yr

Senior Software Engineer Position Summary This position leads the analysis, design, development, and implementation of advanced software solutions for electronic devices. Working independently with ...

Nordson Corporation

Senior Software Engineer

Carlsbad, CA · On-site

$130 - $180/hr

The Sr. Software Engineer position is responsible for designing, developing, troubleshooting and debugging software programs. Works on problems of moderate scope where analysis of situations or data ...

Nordsonhcm

Senior Software Engineer

Carlsbad, CA

$130K - $180K/yr

Job Summary The Sr. Software Engineer position is responsible for designing, developing, troubleshooting and debugging software programs. Works on problems of moderate scope where analysis of ...

Nordson Corporation

Senior Software Engineer

Carlsbad, CA · On-site

$130K - $180K/yr

Job Summary The Sr. Software Engineer position is responsible for designing, developing, troubleshooting and debugging software programs. Works on problems of moderate scope where analysis of ...

Alphatec Spine

Senior Software Engineer - ONSITE

Carlsbad, CA · On-site

$125K - $166K/yr

The Senior Software Engineer, Alpha Informatix develops client-facing and backend components for distributed software solutions across the full software development life cycle, including new product ...

Alphatec Spine

Senior Software Engineer - ONSITE

Carlsbad, CA · On-site

$127K - $167K/yr

The Senior Software Engineer, Alpha Informatix develops client-facing and backend components for distributed software solutions across the full software development life cycle, including new product ...

Alphatec Spine

Senior Software Engineer - ONSITE

Carlsbad, CA · On-site

$125K - $166K/yr

The Senior Software Engineer, Alpha Informatix develops client-facing and backend components for distributed software solutions across the full software development life cycle, including new product ...

FMT Consultants

Senior Software Developer

Carlsbad, CA

$56.50 - $74.75/hr

The senior software developer resource will work with team members and clients in the development and delivery of customizations generally related to various Microsoft applications and technologies ...

FMT Consultants

Senior Software Developer

Carlsbad, CA · On-site

$56.50 - $74.75/hr

The senior software developer resource will work with team members and clients in the development and delivery of customizations generally related to various Microsoft applications and technologies ...

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Fintech Senior Software Engineer information

See Temecula, CA salary details

$75K

$142.4K

$190.8K

How much do fintech senior software engineer jobs pay per year?

As of Aug 29, 2026, the average yearly pay for fintech senior software engineer in Temecula, CA is $142,361.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,700.00 and $160,400.00 per year, depending on experience, location, and employer.

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 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.

Is fintech a high paying career?

A senior software engineer in fintech typically earns higher-than-average salaries due to the specialized skills required, such as knowledge of financial regulations, security, and programming languages like Java or Python. Compensation can vary based on experience, location, and company size, but fintech roles are generally considered well-paying within the tech industry.

What are popular job titles related to Fintech Senior Software Engineer jobs in Temecula, CA?

For Fintech Senior Software Engineer jobs in Temecula, CA, the most frequently searched job titles are:

What job categories do people searching Fintech Senior Software Engineer jobs in Temecula, CA look for?

The top searched job categories for Fintech Senior Software Engineer jobs in Temecula, CA are:

What cities near Temecula, CA are hiring for Fintech Senior Software Engineer jobs?

Cities near Temecula, CA with the most Fintech Senior Software Engineer job openings:

Fintech Senior Software Engineer jobs near you

Senior Software Engineer

Prosum Inc.

Temecula, CA • On-site

$150K - $175K/yr

Other

Medical, Dental, Vision, Retirement

Re-posted 25 days ago

Job description

Job Description
Senior Software Engineer
Cryptography & Systems Development
Role Type: Senior Software Engineer / Technical Leader (Individual Contributor)
Core Technologies: C/C++, Cryptography, Python, Linux/POSIX, Systems Programming
Focus Areas: Secure software, cryptographic systems, cloud-native infrastructure, high-assurance applications
About the Opportunity
Our client is an innovative technology company developing advanced cybersecurity and secure communications solutions for high-assurance environments. Their engineering team builds software that combines modern cryptography, secure systems engineering, and cloud-native technologies to deliver secure, high-performance products for enterprise and mission-critical applications.
This is an opportunity to work on technically challenging software that addresses today's cybersecurity requirements while helping prepare organizations for emerging security threats.
Position Overview
We are seeking a Senior Software Engineer with deep expertise in systems programming and secure software development. This hands-on technical leadership role is ideal for an experienced engineer who can translate advanced cryptographic technologies into secure, scalable, production-ready software.
The successful candidate will influence software architecture, develop security-critical components, optimize performance, mentor engineers, and help deliver high-quality products in security-sensitive environments.
Key Responsibilities
  • Design, develop, and optimize cryptographic and security-sensitive software using C/C++.
  • Build and maintain production-quality software for secure, cloud-native environments.
  • Drive architectural decisions focused on security, scalability, performance, reliability, and maintainability.
  • Develop Python-based automation, testing frameworks, developer tools, and maintenance utilities.
  • Review code for correctness, memory safety, concurrency, performance, and secure coding best practices.
  • Implement and support secure networking technologies, including TLS, IPsec, and related communication protocols.
  • Collaborate with engineering leadership, product teams, and cross-functional stakeholders to deliver customer-ready software solutions.
  • Mentor engineers through technical guidance, code reviews, and knowledge sharing while helping elevate overall engineering quality.
Required Qualifications
  • 7+ years of professional software engineering experience with significant C/C++ systems development.
  • Demonstrated experience developing cryptographic, cybersecurity, or other security-sensitive software.
  • Strong understanding of cryptographic implementation, secure coding practices, performance optimization, and software correctness.
  • Experience optimizing low-level systems software for performance, reliability, and security.
  • Proficiency with Python for automation, testing, scripting, and developer tooling.
  • Strong debugging and troubleshooting skills in complex software environments.
  • Experience with Git-based development workflows.
  • Solid understanding of memory management, concurrency, compiler toolchains, and Linux/POSIX operating systems.
  • Working knowledge of networking protocols and secure communications, including TLS and/or IPsec.
Preferred Qualifications
  • Experience developing secure applications using Docker and Kubernetes.
  • Familiarity with container security, software supply chain security, image signing, SBOM generation, and vulnerability management.
  • Experience working with virtualization technologies such as QEMU or Linux KVM.
  • Familiarity with AI-assisted software development tools and best practices for incorporating them into secure engineering workflows.
  • Experience building software for regulated, safety-critical, or other high-assurance environments.
Education
Bachelor's degree or higher in Computer Science, Computer Engineering, Software Engineering, or a related technical discipline, or equivalent professional experience.
Preferred Certifications
The following certifications are considered an asset:
  • Certified Kubernetes Application Developer (CKAD) or equivalent
  • Docker Certified Associate or equivalent
  • AWS Certified Developer or similar cloud certification
  • Linux Foundation Certified Engineer (LFCE), Red Hat Certified Engineer (RHCE), or equivalent
Compensation & Benefits
  • Competitive base salary of $150,000-$175,000 USD, commensurate with experience and qualifications.
  • Comprehensive medical, dental, and vision coverage.
  • 401(k) with employer matching.
  • Competitive benefits package and opportunities for technical leadership and career advancement.
Why Join?
This position offers the opportunity to solve complex engineering challenges at the intersection of systems programming, cybersecurity, and modern cryptography. You'll work alongside experienced engineers on products where software quality, security, and performance are fundamental to success while helping shape the technical direction of next-generation secure software platforms.
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