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Senior Full Stack Software Engineer Jobs in California

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Full Stack Software Engineer

Los Angeles, CA

Full Stack Software Engineer Location: Los Angeles, CA We are seeking highly motivated ... The selected candidates will work closely with senior engineering leadership and help coordinate ...

Hop

Full Stack Software Engineer

Los Angeles, CA

Full Stack Software Engineer Location: Los Angeles, CA We are seeking highly motivated ... The selected candidates will work closely with senior engineering leadership and help coordinate ...

Paramount

Senior Full-Stack Software Engineer

Burbank, CA · On-site

$124K - $186K/yr

The Applied Intelligence team is seeking a Senior Full-Stack Software Engineer to lead the development of innovative, data-driven applications and visualization tools that power analytics, decision ...

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How much do senior full stack software engineer jobs pay per year?

As of Jul 6, 2026, the average yearly pay for senior full stack software engineer in California is $133,006.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,500.00 and $155,900.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Senior Full Stack Software Engineer position, and why are they important?

To thrive as a Senior Full Stack Software Engineer, you need deep expertise in both front-end and back-end development, strong problem-solving abilities, and a solid foundation in computer science principles, typically demonstrated by a bachelor’s or master’s degree in a related field. Familiarity with frameworks and languages like React, Angular, Node.js, Python, and proficiency in using cloud platforms, version control systems like Git, and continuous integration tools is crucial, and relevant certifications are an advantage. Exceptional communication, leadership, and teamwork skills help you effectively coordinate with cross-functional teams and mentor junior engineers. These skills ensure you can deliver robust, scalable solutions while driving project success and fostering a collaborative development environment.

What does a typical workday look like for a Senior Full Stack Software Engineer?

A typical day for a Senior Full Stack Software Engineer involves designing and implementing new features, reviewing and improving code, and collaborating with product managers, designers, and other developers to deliver project goals. You might split your time between writing code for both front-end and back-end systems, participating in daily stand-up meetings, and providing technical guidance to junior team members. The role often requires balancing hands-on development with architectural planning and problem-solving for complex technical challenges. You’ll also frequently interact with stakeholders to gather requirements and provide updates, ensuring alignment throughout the software development lifecycle.

What is a Senior Full Stack Software Engineer job?

A Senior Full Stack Software Engineer is an experienced developer responsible for designing, building, and maintaining both front-end and back-end systems in web or software applications. They work with a variety of technologies, frameworks, and databases to ensure seamless functionality across the entire software stack. In addition to coding, they often provide technical leadership, mentor junior developers, and contribute to architectural decisions. Their role requires strong problem-solving skills, an understanding of best practices, and the ability to collaborate with cross-functional teams to deliver high-quality software solutions.

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Senior Full Stack Software Engineer jobs near you
Senior Full Stack Software Engineer

Senior Full Stack Software Engineer

Fiserv, Inc.

Sunnyvale, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 13 days ago

Fiserv rating

7.6

Company rating: 7.6 out of 10

Based on 94 frontline employees who took The Breakroom Quiz

110th of 146 rated financial services

Job description

Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Senior Full Stack Software Engineer
What does a successful Fullstack Engineer do at Clover?
In this role, you will be an experienced engineer helping to improve and expand our platform and product. You will accomplish this by maintaining and adding new features, investigating/resolving bugs, creating helpful documentation, and re-architecting our system to achieve better scalability and availability.
As part of the loyalty program team, you will be responsible for building applications that define the user experience on the Clover Dashboard. Partnering with Infrastructure, Product, and Design teams, you will be pragmatic in balancing priorities and enjoy working in an iterative model where specifications are constantly evolving. You will own your services from development through deployment, mentor junior talent, and help drive the technical roadmap for products that support over 700k merchants worldwide.
What you will do:
  • Architect, design, and develop web-based front-end and microservices backend applications mainly using Java, Javascript, Typescript, React and Python
  • Evaluate and recommend modern frameworks, technologies, and tools, and execute the corresponding processes.
  • Design, implement, and maintain REST APIs for devices and web clients including our web dashboard, devices, mobile apps and 3rd party apps
  • Identify technical requirements in product meetings and assist the business team with realistic project planning and feature development; translate product requirements into functional, maintainable, extensible software that is in-line with company objectives
  • Promote effective use of AI-powered software engineering and productivity tools (e.g., AI coding assistants, test generation, code review, documentation, and incident analysis tools) to improve developer efficiency and code quality.
  • Own your services/features from development through deployment and production monitoring
  • Participate in design/code reviews.
  • Partner with the Infrastructure Team to design data models that support large-scale highly available services
  • Work with QA to develop test plans/strategies
  • Participate in a regular on call and release management rotation
  • Collaborate with cross-functional, distributed agile teams with the flexibility to work across time zones.
  • Architect, build, and maintain robust, scalable, reliable, highly available, and performant applications.
  • Coach and mentor engineers to deliver efficient, extensible solutions and improve their technical and leadership skills.
  • Advocate engineering best practices by actively engaging and leveraging agile methods and a CI/CD DevOps mindset.
  • Triage bugs and their impact on product or service operations and quality, focusing on customer centricity
  • Prioritize and multi-task between projects with the ability to handle changing priorities.
  • Help to define the vision, strategy, and own, and drive the software technical roadmap.
  • Excellent team player with strong empathy and critical thinking skills.

What you will need to have:
  • Degree in Computer Science or Engineering field or related experience
  • 7+ years of software development experience, preferably Full Stack.
  • Experience using and championing AI-based software engineering and productivity tools (e.g., AI coding assistants, automated testing, code quality analysis, documentation generation, or operational intelligence tools) to accelerate delivery and improve quality
  • Strong coding skills; Java is our first choice of primary language
  • Experience with Spring Boot for building microservices
  • Professional experience with React and TypeScript
  • Strong knowledge of relational databases (e.g., MySQL) and document databases (e.g., MongoDB).

What would be great to have:
  • Familiarity with Google Cloud Pub/Sub, K8, Lambda run, LLM prompting techniques, Kotlin and Python
  • Previous experience in the payments or fintech industry
  • Background in re-architecting systems for high availability and scalability

How you'll work:
  • This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.
  • This role requires use of a computer and audio equipment.

Benefits at Fiserv:
  • Fuel Your Life program to support your physical, financial, social, and emotional well-being
  • Paid holidays and generous time away policies
  • No-cost mental health support through Employee Assistance Programs
  • Living Proof program to recognize your peers' extra effort with points redeemable for rewards
  • Eight Employee Resource Groups to foster a collaborative culture and expand your network
  • Unparalleled professional growth with training, development, and internal mobility opportunities
  • Medical, dental, vision, life, and disability insurance options available from day one
  • Retirement planning and discounted shares with the Employee Stock Purchase Plan
  • Tuition assistance and reimbursement program
  • Paid parental, caregiver, and military leave

#LI-SH2
Salary Range
$140,000.00 - $210,000.00
These pay ranges apply to employees in Sunnyvale, California. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion.
Thank you for considering employment with Fiserv. Please:
  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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