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Full Stack Software Engineer Intern Jobs in Bellevue, WA

Helion

Senior Software Engineer, Full Stack

Everett, WA · On-site

Required : • Bachelor's degree in computer science or a related field • 8+ years of software engineering experience building full-stack applications • Hands-on experience with modern web stacks ...

Belva.ai

Full Stack Project Lead

Bellevue, WA · Remote

We are seeking an experienced and highly skilled Full-Stack Project Lead Engineer to join our team. The ideal candidate will have a strong background in full-stack software development, proven ...

Belva.ai

Full Stack Project Lead

Bellevue, WA · On-site

We are seeking an experienced and highly skilled Full-Stack Project Lead Engineer to join our team. The ideal candidate will have a strong background in full-stack software development, proven ...

AZX

Senior Engineer (Full Stack)

Seattle, WA · On-site

$140K - $225K/yr

Software Engineer (Senior, Full Stack) About AZX Our mission is to accelerate positive impact in critical industries through AI transformation. We're growing quickly and already work with category ...

Brex

Senior Software Engineer, Full Stack

Seattle, WA · On-site

$192K - $240K/yr

What you'll do As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You ...

Socket.dev

Software Engineer III, Full Stack

Seattle, WA · On-site

$147 - $211/hr

... full-stack development orAPI development. PREFERRED QUALIFICATIONS * Master's degree or PhD in ... ABOUT THE JOB Google's software engineers develop the next-generation technologies that change how ...

Helion

Senior Software Engineer, Full Stack

Everett, WA · On-site

$95 - $135/hr

Bachelor's degree in computer science or a related field * 8+ years of software engineering experience building full-stack applications * Hands-on experience with modern web stacks (e.g., React, Next ...

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All JobsFull Stack Software Engineer Intern JobsFull Stack Software Engineer Intern Jobs in Bellevue, WA

Full Stack Software Engineer Intern information

See Bellevue, WA salary details

$50.2K

$152.1K

$215K

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

As of Aug 12, 2026, the average yearly pay for full stack software engineer intern in Bellevue, WA is $152,107.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,300.00 and $178,300.00 per year, depending on experience, location, and employer.

What does a full stack software engineer intern do?

A Full Stack Software Engineer Intern assists with the development of both the front-end and back-end components of web applications. They work under the guidance of experienced engineers to write code, debug issues, and help integrate different technologies across the software stack. Typical tasks include building user interfaces, connecting to databases, and testing new features. This role helps interns gain hands-on experience with various programming languages, frameworks, and tools commonly used in software development.

What are the key skills and qualifications needed to thrive as a full stack software engineer intern?

To thrive as a Full Stack Software Engineer Intern, you need a solid understanding of programming languages (such as JavaScript, Python, or Java), basic web development concepts, and enrollment in a relevant degree program like computer science. Familiarity with frameworks (like React or Node.js), version control systems (such as Git), and cloud platforms are often expected. Strong problem-solving abilities, eagerness to learn, and effective teamwork set standout interns apart. These skills and qualities enable interns to contribute meaningfully to projects, adapt quickly to new technologies, and collaborate efficiently in dynamic development environments.

What types of projects and technologies do full stack software engineer interns typically work on during their internship?

Full Stack Software Engineer Interns often work on a variety of projects that span both front-end and back-end development. This may include building user interfaces with frameworks like React or Angular, developing APIs using Node.js or Python, and working with databases such as MongoDB or PostgreSQL. Interns usually collaborate closely with senior engineers, designers, and product managers, gaining exposure to the full software development lifecycle. The work environment tends to be fast-paced and collaborative, offering valuable opportunities to learn modern development practices and tools.

What is the difference between Full Stack Software Engineer Intern vs Software Developer Intern?

AspectFull Stack Software Engineer InternSoftware Developer Intern
Required SkillsKnowledge of both front-end and back-end technologies, basic understanding of databasesFocus on specific programming languages or platforms, such as Java, Python, or mobile development
Work EnvironmentCollaborates on full application development, often in agile teamsWorks on specific modules or features, may focus on front-end or back-end
Industry UsageCommon in tech companies, startups, and software firmsWidely used across various tech sectors, including web and mobile app development

In summary, a Full Stack Software Engineer Intern has a broader scope, working on both front-end and back-end development, while a Software Developer Intern may focus on a specific area. Both roles provide valuable experience in software development but differ in technical breadth and project involvement.

What are the most commonly searched types of Full Stack Software Engineer jobs in Bellevue, WA? The most popular types of Full Stack Software Engineer jobs in Bellevue, WA are:
What cities near Bellevue, WA are hiring for Full Stack Software Engineer Intern jobs? Cities near Bellevue, WA with the most Full Stack Software Engineer Intern job openings:
Full Stack Software Engineer Intern jobs near you
Infographic showing various Full Stack Software Engineer Intern job openings in Bellevue, WA as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 9% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $152,107 per year, or $73.1 per hour.

Senior Software Engineer, Full Stack

Helion

Everett, WA • On-site

Full-time

Re-posted 25 days ago

Job description

Job Summary:
Helion is a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant. The role involves designing, developing, and operating full-stack applications to optimize processes across various engineering and business functions, while collaborating with cross-functional teams.
Responsibilities:
• Design and develop frontends, APIs, workflows, database schemas, and caching layers
• Be a part-time product manager and UX designer. You need to understand how people and processes interact with the software you build
• Monitor and continuously improve the performance and reliability of our systems, using best-in-class observability tools
• Collaborate with other software engineers, data analysts and scientists, other engineering disciplines, non-engineers, leadership, and vendors to understand feature and data requirements and deliver solutions
• Stay current with emerging technologies while recommending battle-tested right-fit solutions that align with strategic goals
• Participate in on-call rotations to maintain our SLA with the rest of the company, and prevent issues from stalling 24/7 production schedules
Qualifications:
Required:
• Bachelor’s degree in computer science or a related field
• 8+ years of software engineering experience building full-stack applications
• Hands-on experience with modern web stacks (e.g., React, Next.js)
• Expertise in HTML, CSS, TypeScript and a backend language like Go or Python
• Cloud-native experience in Azure, AWS, and/or Google Cloud, using container orchestration technologies like Docker, Kubernetes, and infrastructure-as-code tools like Terraform
• Familiar with DevOps best practices, using version control (Git), CI/CD (e.g., Buildkite, GitHub Actions), and monitoring and alerting (e.g., Prometheus, Grafana, Datadog)
• Familiar with UX design tools like Figma
Company:
We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Founded in 2013, the company is headquartered in Everett, USA, with a team of 201-500 employees. The company is currently Growth Stage.

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