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Backend Developer Jobs in Westminster, CA (NOW HIRING)

Fluxergy

Software Engineer III - Backend

Irvine, CA · On-site

About the Role As a Software Engineer - Backend, you will be part of an expanding Software team and will apply your expertise to design, develop and maintain backend services for our medical device ...

Fluxergy

Software Engineer III - Backend

Irvine, CA

About the Role As a Software Engineer - Backend, you will be part of an expanding Software team and will apply your expertise to design, develop and maintain backend services for our medical device ...

Otter

Senior Backend Software Engineer

Los Angeles, CA · On-site

$167K - $230K/yr

What you'll do As a Backend Engineer on the Otter Verify team, you will design, implement, and scale the core infrastructure powering our real-time edge computer vision product. This role sits at an ...

HeyGen

Backend Engineer - Infrastructure

Los Angeles, CA · On-site

$180K - $240K/yr

Position Summary As a Backend Engineer (Infrastructure) at HeyGen, you'll spearhead the development of core systems and infrastructure crucial to powering our products. Your expertise will be ...

Otter

Senior Backend Software Engineer

Los Angeles, CA

$167K - $230K/yr

What you'll do As a Backend Engineer on the Otter Verify team, you will design, implement, and scale the core infrastructure powering our real-time edge computer vision product. This role sits at an ...

Fox

Staff Backend Software Engineer

Los Angeles, CA

AI-Driven Developer Experience: Driving improvements in internal tools and workflows that leverage AI to enhance productivity, code quality, and observability, helping evolve backend engineering ...

New

Cantina

Staff Software Engineer, Backend

Los Angeles, CA · On-site

$200K - $240K/yr

As part of the Backend Engineering team, you'll design, build, and scale systems and services that revolutionize how users engage with our cutting-edge AI-powered platform. This role is ideal for a ...

Atoms

Senior Backend Software Engineer

Los Angeles, CA · On-site

As a Senior Backend Software Engineer, you will design and scale core infrastructure for real-time edge computing products, working on complex problems and collaborating with various engineering ...

Altruist

Staff Back End Engineer

Los Angeles, CA · Hybrid

The opportunity Altruist is in the midst of an exceptional growth phase and we're excited to hire Staff Back End Engineers to join our growing Engineering organization. We have multiple teams hiring ...

Jobsbridge

Java Back End Developers

Los Angeles, CA

$55 - $71/hr

Min 4 years of Experience as a backend Java Developer Back-end Team/ Experience with Core Java programming Strong experience with: Java, JSON, and REST knowledge Experience building enterprise ...

Otter

Senior Backend Software Engineer

Los Angeles, CA · On-site

As a Senior Backend Software Engineer, you will design and scale core infrastructure for a real-time edge computer vision product, focusing on solving complex scaling problems and designing robust ...

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All JobsBackend Developer JobsBackend Developer Jobs in Westminster, CA

Backend Developer information

See Westminster, CA salary details

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$59

$86

How much do backend developer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for backend developer in Westminster, CA is $59.52, according to ZipRecruiter salary data. Most workers in this role earn between $48.80 and $70.38 per hour, depending on experience, location, and employer.

What's a typical backend developer salary?

A backend developer's salary varies based on experience, location, and skills, but generally ranges from $70,000 to $120,000 annually in many regions. Senior developers with expertise in frameworks, databases, and cloud services can earn higher salaries, often exceeding $130,000. Entry-level positions typically start around $60,000 to $80,000.

What are the key skills and qualifications needed to thrive as a backend developer, and why are they important?

To thrive as a Backend Developer, you need a strong grasp of server-side programming languages (such as Java, Python, or Node.js), database management, and software architecture concepts, often supported by a degree in computer science or a related field. Familiarity with frameworks (like Spring or Django), cloud platforms (AWS, Azure), APIs, and version control systems (Git) is typically required. Problem-solving ability, attention to detail, and effective teamwork are standout soft skills in this role. These skills ensure robust, scalable, and secure systems that effectively support the needs of users and front-end applications.

What is the difference between Backend Developer vs Frontend Developer?

AspectBackend DeveloperFrontend Developer
Primary FocusServer-side logic, databases, APIsClient-side interface, UI/UX, visual elements
Required SkillsProgramming languages like Java, Python, PHP; databases; server managementHTML, CSS, JavaScript; frameworks like React or Angular
Work EnvironmentBackend systems, server infrastructure, cloud servicesWeb browsers, design tools, user interface testing
Common UsageBuilding and maintaining server-side applicationsDesigning and implementing user interfaces

While both roles are essential in web development, Backend Developers focus on server-side logic and data management, whereas Frontend Developers create the visual and interactive aspects of websites. Understanding their differences helps in choosing the right career path or project collaboration.

What are some common challenges backend developers face when collaborating with frontend teams?

Backend Developers often encounter challenges related to syncing data structures, API endpoints, and release timelines with frontend teams. Ensuring clear communication and thorough documentation is critical to avoid mismatches in data expectations and functionality. Regular coordination through stand-up meetings, shared project management tools, and version-controlled API documentation helps mitigate misunderstandings and keeps both backend and frontend development aligned. Adopting practices like API-first development and automated testing can significantly improve collaboration and overall project quality.

What is a backend developer?

Backend Developers are software engineers who focus on building and maintaining the server-side logic, databases, and APIs that power websites and applications. They ensure that the data requested by frontend systems is delivered efficiently and securely. Their responsibilities include creating and managing databases, developing server-side application logic, integrating third-party services, and ensuring application performance and scalability. Backend Developers typically work with languages such as Java, Python, Ruby, Node.js, or PHP. They often collaborate with frontend developers, designers, and other team members to deliver complete, functional digital products.
More about Backend Developer jobs
What cities near Westminster, CA are hiring for Backend Developer jobs? Cities near Westminster, CA with the most Backend Developer job openings:
Backend Developer jobs near you
Infographic showing various Backend Developer job openings in Westminster, CA as of August 2026, with employment types broken down into 80% Full Time, 5% Part Time, 1% Temporary, and 14% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $123,792 per year, or $59.5 per hour.

Software Engineer III - Backend

Fluxergy

Irvine, CA • On-site

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 26 days ago

Job description

About Us
Fluxergy is a rapidly growing in vitro diagnostics company innovating on the cutting-edge of laboratory testing. We're developing the first and only multi-modal point-of-care platform that enables molecular, clinical chemistry, immunoassay, and hematology testing on the same system.
Our platform spans many markets including the clinical, veterinary, and food safety industries. We are seeking self-motivated problem solvers who are excited to help decentralize traditional laboratory infrastructure.
At the core of our company's identity is a strong foundation in engineering. We take great pride in our commitment to critical thinking and pragmatic problem-solving through a modular and systemic perspective. We hold the conviction that transparent communication, coupled with the flexibility to adjust to evolving scenarios and the willingness to venture beyond familiar territories, is crucial to both our success and yours.
Our product: https://vimeo.com/176673475
About the Role
As a Software Engineer - Backend, you will be part of an expanding Software team and will apply your expertise to design, develop and maintain backend services for our medical device platform. You will have the opportunity to develop Fluxergy's current software, enhancing its capability, improving security features, and to support system bring up and integration with cross-functional teams.
Specifically, you can be expected to complete the following tasks:
Team culture:
- Self Driven
- Proactive
- Great communicator
- Contribute to a productive team culture
What You Will Do
  • Design, develop, and maintain backend applications, APIs, and integrations for our medical device platform, ensuring compliance with relevant medical device regulations and standards.
  • Lead technical discussions and collaborate with cross-functional teams to define and implement software requirements.
  • Architect and optimize database systems to store and manage critical medical data securely and efficiently.
  • Implement robust, scalable, and high-performance solutions using modern software development best practices and technologies.
  • Participate in and lead code and design reviews, contributing to a culture of continuous improvement and shared learning.
  • Collaborate with front-end development teams to ensure seamless integration of backend services and APIs.
  • Support platform development with cross-functional teams.
  • Mentor junior team members and provide technical guidance as needed.
  • Create and maintain internal documentation and tools to support development, testing, and compliance efforts.
  • Stay abreast of industry trends, emerging technologies, and best practices in medical device software development.
  • Actively contribute to a positive, growth-oriented team culture.

What You'll Need to Have
  • 5+ years of experience in Backend Engineering.

  • 4+ years working with Databases and API design and implementation.
  • 4+years of experience developing backend services or applications.
  • Proficiency in multiple server-side programming languages and frameworks. (Python, Javascript/Typescript, React, etc.)
  • Proficiency with RESTful APIs and server-side development.
  • Strong experience with designing and implementing scalable and high-performance systems.
  • Proficiency with databases, including schema design, query optimization, and performance tuning.
  • Proficiency with continuous integration and deployment (CI/CD) tools.
  • Demonstrated ability to lead technical discussions and provide guidance to team members.
  • Proficiency with version control systems, preferably Git 3
  • Proficiency with Agile methodologies, such as Scrum or Kanban.
  • Proficiency with unit testing, working experience with integration and verification testing.
  • Understanding of backend performance optimization and best coding practices.
  • Strong communication and collaboration skills, with the ability to work effectively across teams.
  • Proficiency with Linux.
Strong plus if you:
  • Has experience in electrical engineering.
  • Experience with full-stack, firmware development, and board bring up.
  • Experience working within regulated industries (FDA).
  • Working knowledge of data security and privacy standards such as HIPAA and GDPR.

Interview Process
Our interview processes my differ slightly from role-to-role; however, most of our interviews will follow a similar pattern:
- Recruiter Interview
- Hiring Manager interview
- Technical Interview
- On-site Interview
- Decision
We are an early-stage company and may change our interview process from time-to-time, but our hope is everyone who interviews with us has a positive experience, even if an offer isn't presented.
Benefits
Excellent Medical/Dental Benefits
- 95% medical benefit premiums paid by Fluxergy and covers employee, partner, and dependents
- 100% dental and vision premiums paid for employee, partner, and dependents
- 100% Life Insurance premiums paid for the employee
Work - Life Balance Minded Time Off
- 15 paid vacation days
- 2-week paid winter break
- 7 company paid holidays
- 5 paid sick days
A Work Culture Which Believes in Promoting from Within
- Wear lots of hats / accelerate your career growth!
- We are a flat organization by design - lots of visibility!
- Many of our current leaders started their career with Fluxergy!
Salary Range: $125,000-140,000/yr
Additional Information
Fluxergy is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, marital status, age, disability, national or ethnic origin, military service status, citizenship, or other protected characteristic.
Fluxergy participates in the E-Verify program. Please click here, here, here for more information.
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