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Senior Backend Developer Jobs in Seattle, WA (NOW HIRING)

Otter

Senior Backend Engineer

Seattle, WA

$167K - $230K/yr

What you'll do * As a Backend Engineer, you'll design, implement, and optimize systems that power mission-critical applications. Your role will adapt to your strengths and interests, with ...

Caddi

Senior Software Engineer

Seattle, WA · On-site

$140K - $180K/yr

As a Senior Backend Engineer, you'll guide our core backend architecture, APIs, and integrations, collaborating closely with the CTO, founding engineers, product design, and CEO. What You'll Do

CADDi

Senior Software Engineer

Seattle, WA · On-site

$140K - $180K/yr

As a Senior Backend Engineer, you'll guide our core backend architecture, APIs, and integrations, collaborating closely with the CTO, founding engineers, product design, and CEO. What You'll Do

WEX

Senior Backend Engineer - AI Platform

Seattle, WA · On-site +1

$139K - $183K/yr

Seattle, WA; and Portland, ME About the Team/Role We are seeking a seasoned Sr. Software Engineer ... Proficiency in backend development, with expertise in Java or C#, frameworks like SpringBoot ...

eNett

Senior Backend Engineer - AI Platform

Seattle, WA · On-site +1

$139K - $183K/yr

Seattle, WA; and Portland, ME About the Team/Role We are seeking a seasoned Sr. Software Engineer ... Proficiency in backend development, with expertise in Java or C#, frameworks like SpringBoot ...

Caddi

Senior Software Engineer

Seattle, WA

$140K - $180K/yr

As a Senior Backend Engineer, you'll guide our core backend architecture, APIs, and integrations, collaborating closely with the CTO, founding engineers, product design, and CEO. What You'll Do

DAT

Senior Backend Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

DAT.com Job Application Deadline: 08/31/2026 The Opportunity DAT is hiring a Senior Backend ... Identify and drive cross-cutting improvements to shared libraries, CI/CD pipelines, developer ...

DAT

Senior Backend Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

DAT.com Job Application Deadline: 08/31/2026 The Opportunity DAT is hiring a Senior Backend ... Identify and drive cross-cutting improvements to shared libraries, CI/CD pipelines, developer ...

Ziddos

Java Backend Developer

Seattle, WA · On-site

$57.50 - $74.50/hr

Role: Senior Java Developer with AI/ML Locals who can go for an in-person interview Seattle, WA (3 days a week hybrid) Interview slots available 12 years of professional software engineering ...

New

Maxana

Backend Engineer

Seattle, WA · On-site

The team is small and senior, the engineering bar is high, and you will work directly with product ... Broad knowledge of backend and frontend systems -- APIs, CLIs, billing, security protocols

Maxana

Backend Engineer

Seattle, WA · Hybrid

The team is small and senior, the engineering bar is high, and you will work directly with product ... Broad knowledge of backend and frontend systems - APIs, CLIs, billing, security protocols

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Showing results 21-40

All JobsBackend Developer JobsSenior Backend Developer JobsSenior Backend Developer Jobs in Seattle, WA

Senior Backend Developer information

See Seattle, WA salary details

$72.9K

$159.2K

$216.9K

How much do senior backend developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior backend developer in Seattle, WA is $159,230.00, according to ZipRecruiter salary data. Most workers in this role earn between $137,200.00 and $178,200.00 per year, depending on experience, location, and employer.

What does a senior backend developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

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

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

What are common challenges senior backend developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.
What are the most commonly searched types of Backend Developer jobs in Seattle, WA? The most popular types of Backend Developer jobs in Seattle, WA are:
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What cities near Seattle, WA are hiring for Senior Backend Developer jobs? Cities near Seattle, WA with the most Senior Backend Developer job openings:
Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $159,230 per year, or $76.6 per hour.

Senior Backend Engineer

Otter

Seattle, WA

$167K - $230K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago

Job description

Who we are 

In the past, to be a successful restaurateur, you simply had to have a passion for food and a passion for people - but to succeed as a digital restaurateur you also need to have a passion for technology. We believe in the joy of serving others, and that's why we created Otter - to help restaurateurs succeed in online food delivery. Restaurants around the world, both large and small, including Chick-fil-A, Ben & Jerry's, KFC, and Eataly trust our software to power their delivery business. We increase sales, reduce order issues, and decrease delivery headaches. 

What you'll do

  • As a Backend Engineer, you'll design, implement, and optimize systems that power mission-critical applications. Your role will adapt to your strengths and interests, with opportunities to work across the entire customer journey.
  • The Inventory Savings team is building a product that provides immediate value to customers by saving them money on purchasing restaurant supplies and ingredients, while also serving as an effective entrypoint into the Otter ecosystem.

What we're looking for

  • We value the diversity of experience and are looking for individuals who are passionate about solving complex problems.

Basic qualifications

  • Proficiency in Java.
  • Familiarity with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB, Redis).
  • Experience with cloud platforms like AWS, Google Cloud, or Azure.
  • Understanding of RESTful APIs, microservices, and distributed systems.
  • Strong debugging and problem-solving skills. 

Why join us 

  • Demand for online food delivery is growing really fast! In the last 5 years, just in the US, the overall market has expanded 10X from $10B to $100B, and could expand to $500bn- $1T by 2030.
  • Changing the restaurant industry: You'll be part of a team that helps restaurants succeed in online food delivery. 
  • Collaborative environment: You will receive support and guidance from experienced colleagues and managers, helping you to learn, grow and achieve your goals, and you'll work closely with other teams to ensure our customer's success.

What else you need to know 

This role is based in our Seattle office location. As a company driven by innovation and continuous change, close collaboration is essential. We're constantly reimagining our industry, creating new products, and refining our processes, and we do our best work together. That's why all of our office-based teams work onsite, five days a week. 

The base salary range for this role is $167,000 - $230,000 per year.

Actual compensation will be determined on an individual basis and may vary depending on experience, skills, and qualifications.

Base salary is just one part of your total rewards package. You may also be eligible for equity awards and an annual performance-based bonus.

Benefits Summary (USA Full-Time Exempt Employees):

  • Medical, dental, and vision insurance (multiple plans, incl. HSA options).
  • Company-paid life and disability insurance (short- and long-term).
  • Voluntary insurance: accident, critical illness, hospital indemnity.
  • Optional supplemental life insurance for self, spouse, and children.
  • Pet insurance discount.
  • 401(k).
  • Health Savings Account (HSA)
  • Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
  • Time Off policies:
    • Discretionary vacation days
    • 8 paid holidays per year
    • Paid sick time
    • Paid Bereavement leave
    • Paid Parental Leave

Benefits are subject to change at the company's discretion.
Atoms accepts applications on an ongoing basis.

Ready to join us as we serve those who serve others? 

#LI-Onsite

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