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Backend Software Developer Intern Jobs in Seattle, WA

Software Developer II

Bellevue, WA · Remote

$90K - $120K/yr

We are seeking a highly skilled and motivated Software Developer with strong proficiency in Python ... Design, develop, and maintain backend systems using Python and SQL. * Collaborate with cross ...

Senior Software Engineer

Seattle, WA · On-site

$158K - $232K/yr

What you'll do The Backend Software Engineer will own all aspects of the software development lifecycle including design, development, testing, deployment and maintenance of product features in ...

Senior Software Engineer

Seattle, WA · On-site +1

$158K - $232K/yr

What you'll do The Backend Software Engineer will own all aspects of the software development lifecycle including design, development, testing, deployment and maintenance of product features in ...

The Software Engineer - Backend will be responsible for writing production-ready code, designing scalable services, and integrating with external systems to enhance the company's offerings.

About this role As a Sr backend software engineer at Aerostrat, you'll play a critical role in expanding our infrastructure and APIs to ensure we can scale with our customers. As a member of our ...

Showing results 41-60

Backend Software Developer Intern information

See Seattle, WA salary details

$13

$65

$96

How much do backend software developer intern jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for backend software developer intern in Seattle, WA is $65.70, according to ZipRecruiter salary data. Most workers in this role earn between $53.89 and $77.69 per hour, depending on experience, location, and employer.

What does a backend software developer intern do?

A Backend Software Developer Intern assists in building and maintaining the server-side logic, databases, and APIs that power web applications. Their responsibilities typically include writing code, debugging issues, and collaborating with other developers to ensure data flows efficiently between the server and users. Interns often work with languages like Python, Java, or Node.js and gain practical experience with databases, cloud services, and development tools. This role provides valuable exposure to real-world software engineering practices and helps interns develop the technical and teamwork skills needed for a career in backend development.

What are the key skills and qualifications needed to thrive as a backend software developer intern?

To thrive as a Backend Software Developer Intern, you should have a solid understanding of programming languages like Java, Python, or Node.js, and basic knowledge of algorithms, data structures, and databases. Familiarity with version control systems (like Git), RESTful APIs, and cloud platforms such as AWS or Azure is often expected. Strong problem-solving skills, teamwork, and effective communication set standout interns apart. These skills and qualities are crucial for building reliable backend systems, collaborating across teams, and adapting to real-world engineering challenges.

What types of projects and technologies do backend software developer interns typically work on during their internship?

Backend Software Developer Interns are often assigned to work on real-world projects such as building APIs, optimizing databases, or improving existing backend services. Interns typically use languages like Python, Java, or Node.js, and work with frameworks and tools such as Django, Spring Boot, or Express.js. Collaboration with frontend developers, QA engineers, and product managers is common, providing valuable experience in agile environments. The projects and technologies may vary depending on the company, but they are designed to help interns gain hands-on experience and contribute meaningfully to the team's goals.

What cities near Seattle, WA are hiring for Backend Software Developer Intern jobs?

Cities near Seattle, WA with the most Backend Software Developer Intern job openings:

Sr. Staff Backend Software Engineer

Coupang Internal

Seattle, WA

Full-time

Re-posted 21 days ago


Job description

Please complete the attached Internal TransferRequest Formand submit.  

Please make sure to apply with your Coupang e-mail address.  


Company Introduction 

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did we ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. 

We are proud to have the best of both worlds - a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. 

Our mission to build the future of commerce is real. We push the boundaries of what's possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. 

Job Overview 

Coupang relies on technology to provide on-time, fast delivery of products to customers every day. Fulfillment Technology focuses on managing highly scalable systems for Coupang that includes Inventory and Warehouse Management systems. Building highly available and scalable systems to handle billions of order & delivery transactions and support Coupang's rapidly growing Product Commerce business is a complex architectural challenge. We are responsible for delivering products to millions of online shopping customers by improving order reconciliation with technology. To deliver on this challenge, we are looking for an experienced and passionate engineer who can design and build large-scale, multi-tiered, distributed services. 

Key Responsibilities 

  • Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design. 
  • Responsible for designing, building, deploying and maintaining the core Workflow Platform Infrastructure. (e.g., Workflow Platforms - Temporal, Netflix Conductor etc.) 
  • Responsible for benchmarking the Platform, collecting metrics & publishing results. 
  • Responsible for measuring & ensuring reliability and uptime of the Platform with 99.995% guarantees. 
  • Responsible for capacity estimation & provisioning of cluster for different customer workloads. 
  • Responsible for production incident Monitoring & Alerting for the Platform. 
  • Detail oriented and hands on engineer who can analyze OSS Platform components and code. 
  • Dive deep into critical system issues, proactively addressing similar root causes, and raise the bar on Operational Excellence. 
  • Exposure to one of the SQL or NoSQL database systems. (Cassandra, MySQL etc.) 
  • Collaborate with other teams to make the platform open and extensible to unlock innumerable opportunities for innovations. 

Qualifications 

  • 10+ years of experience working directly within engineering teams in a fast-moving environment. 
  • 10+ years of experience in developing and operating backend services and web applications. 
  • Experience building complex, high-performance, and highly available distributed software systems that have been successfully delivered to customers. 
  • Strong familiarity developing with Java and Spring Framework as well as experience in an AWS environment. 
  • Extensive experience in managing mission critical services with high throughput and low latency. 

Preferred Qualifications 

  • Solid engineering skills as a lead engineer to coach and lead high performing software engineers and keep them motivated. 
  • Excellent communication skills to shepherd communication with end users, technical & business teams to collect requirements, describe product features, and develop technical designs to achieve business goals. 
  • Knowledge of Agile software engineering practices & patterns for the full software development lifecycle including coding standards, code reviews, build processes, testing, and live site operations. 
  • Demonstrated leadership in cross-functional, highly collaborative environment. 

Minimum Qualifications: 

  • Bachelor's degree and 7+ years of total experience
  • Ability to solve problems through creative thinking and partnerships with other teams
  • Ability toattainchallenging targets through goal-setting and personal drive 

Please complete the attached Internal TransferRequest Formand submit.  

Please make sure to apply with your Coupang e-mail address.