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

Otter

Senior Backend Engineer

Seattle, WA · On-site

As a Senior Backend Engineer, you will design and optimize systems for mission-critical applications and work on a product that saves customers money on restaurant supplies. Responsibilities : • As ...

3B Staffing LLC

Sr. Back-end engineer

Seattle, WA · Hybrid

Role: Sr Engineer - Back End Location: Hybrid Duration: 6+ months Details: * Provides technical assistance and problem resolution for assigned systems, lead resolution of production support problems ...

3B Staffing LLC

Sr. Back-end engineer

Seattle, WA · Hybrid

Role: Sr Engineer - Back End Location: Hybrid Duration: 6+ months Details: * Provides technical assistance and problem resolution for assigned systems, lead resolution of production support problems ...

Aurelian

Senior Backend Engineer

Seattle, WA · On-site

$160K - $220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We're hiring a Senior Backend Engineer to help build out the core systems that make up the Aurelian platform. You will solve complex, technical challenges ranging from optimizing latency in realtime ...

ATOMS Careers page

Senior Backend Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Otter

Senior Backend Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

ATOMS Careers page

Senior Backend Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Otter

Senior Backend Engineer

Seattle, WA · On-site

$167K - $230K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

LiveRamp

Sr. Backend Engineer - Activations

Seattle, WA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Work collaboratively in a small team of engineers developing, maintaining and improving our ... Implement activation backend specific business logic, including matching, digest generation ...

WEX

Senior Backend Engineer - AI Platform

Seattle, WA · On-site +1

$139K - $183K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Maxana

Backend Engineer

Seattle, WA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

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

Senior Backend Engineer information

See Seattle, WA salary details

$68.9K

$168K

$226.5K

How much do senior backend engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for senior backend engineer in Seattle, WA is $168,043.00, according to ZipRecruiter salary data. Most workers in this role earn between $141,100.00 and $195,700.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Backend Engineer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), database management, and experience with scalable system architecture, typically supported by a relevant degree and several years of professional experience. Familiarity with frameworks, APIs, containerization tools (like Docker and Kubernetes), and cloud platforms (such as AWS or Azure) is essential, along with knowledge of version control systems like Git. Strong problem-solving abilities, effective communication, and mentorship skills help you collaborate across teams and guide junior developers. These skills ensure the delivery of robust, efficient, and maintainable backend systems that support business objectives and seamless user experiences.

What are some common challenges senior backend engineers face when scaling backend systems, and how are they typically addressed?

Senior Backend Engineers often encounter challenges related to system scalability, such as database bottlenecks, latency issues, and maintaining system reliability under increased load. Addressing these challenges typically involves optimizing database queries, implementing caching strategies, and designing microservices architectures to distribute workloads efficiently. Collaboration with DevOps and frontend teams is also crucial to ensure seamless integration and monitoring. Proactively identifying potential scalability issues and participating in code reviews are key responsibilities in this role.

What does a senior backend engineer do?

A senior backend engineer designs, develops, and maintains server-side applications and systems that support web and mobile platforms. They often work with programming languages like Java, Python, or Node.js, and use databases, APIs, and cloud services to ensure scalable and efficient backend operations. Additionally, they review code, mentor junior developers, and ensure system security and performance standards are met.

What is a senior backend engineer?

Senior Backend Engineers are experienced software professionals responsible for designing, developing, and maintaining the server-side components of web applications or systems. They work with databases, APIs, and application logic to ensure robust, scalable, and efficient backend operations. Their role often involves collaborating with frontend engineers, managing system architecture, reviewing code, and mentoring junior developers. Senior Backend Engineers also play a key role in optimizing performance, ensuring security, and integrating new technologies into existing systems.
What are the most commonly searched types of Backend Engineer jobs in Seattle, WA? The most popular types of Backend Engineer jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Senior Backend Engineer jobs? Cities near Seattle, WA with the most Senior Backend Engineer job openings:
Senior Backend Engineer jobs near you
Infographic showing various Senior Backend Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $168,043 per year, or $80.8 per hour.

Senior Backend Engineer

Otter

Seattle, WA • On-site

Full-time

Re-posted 12 days ago

Job description

Job Summary:
Otter is a company dedicated to helping restaurateurs succeed in online food delivery through innovative technology. As a Senior Backend Engineer, you will design and optimize systems for mission-critical applications and work on a product that saves customers money on restaurant supplies.
Responsibilities:
• 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.
Qualifications:
Required:
• 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.
Company:
Otter is a restaurant management software that provides food delivery services. It is a sub-organization of Atoms. Founded in 2020, the company is headquartered in Beverly Hills, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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