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Junior Full Stack Software Engineer Jobs in Seattle, WA

Brex

Senior Software Engineer, Full Stack

Seattle, WA · Hybrid

$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 ...

Deloitte

Cyber Full-Stack Software Engineer

Seattle, WA · On-site

As a Full Stack Engineer, you will design, develop, and enhance applications across frontend and backend environments, working with modern engineering practices and cloud-based technologies. You will ...

Worky

Senior Full Stack Software Engineer

Seattle, WA · On-site

$180 - $240/hr

You will build software that enables farmers to understand, trust, and use that data to run their operations. As a Senior Full-Stack Engineer, you will help build FruitScope OS, the web application ...

AllSTEM Connections

Software Engineer III

Seattle, WA · On-site

$193K/yr

Senior Full-Stack Software Engineer Role Overview We are seeking a Senior Full-Stack Software Engineer to serve as a subject matter expert within our scrum-based delivery team. You will be ...

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 ...

Jobtailor

Senior Full Stack Software Engineer

Seattle, WA · On-site

$150 - $210/hr

Requirements * 7+ years of professional software engineering experience, including significant delivery of both backend services and frontend applications. * Bachelor's or Master's degree in Computer ...

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 ...

Confiz Limited

Full Stack Engineer

Seattle, WA · On-site

$120 - $160/hr

Review code, mentor junior engineers, and uphold engineering standards * Support production ... Bachelors or equivalent experience * 5-8 years of experience in full-stack software development

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Junior Full Stack Software Engineer information

See Seattle, WA salary details

$50.6K

$153.4K

$216.8K

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

As of Sep 2, 2026, the average yearly pay for junior full stack software engineer in Seattle, WA is $153,373.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,300.00 and $179,800.00 per year, depending on experience, location, and employer.

What is a junior full stack software engineer?

Junior Full Stack Software Engineers are entry-level professionals who develop both the front-end and back-end components of web applications. They work with a variety of programming languages, frameworks, and tools to build, maintain, and improve websites or web services. Typically, junior engineers work under the guidance of more experienced developers and contribute to coding, debugging, and testing software features. Their role often involves learning new technologies and best practices while collaborating with team members to deliver functional software solutions.

What are some typical challenges a junior full stack software engineer faces when working on cross-functional teams?

As a Junior Full Stack Software Engineer, you may encounter challenges such as balancing front-end and back-end development tasks, quickly learning new frameworks or technologies used by the team, and effectively communicating with designers, QA testers, and senior engineers. Navigating different coding standards and adapting to the team's workflow can also be initially overwhelming. However, these challenges offer valuable learning opportunities, and most teams provide mentorship and code reviews to support your growth.

What are the key skills and qualifications needed to thrive as a junior full stack software engineer, and why are they important?

To thrive as a Junior Full Stack Software Engineer, you need a solid grasp of programming fundamentals, web development (HTML, CSS, JavaScript), and basic knowledge of both front-end and back-end frameworks, often supported by a relevant degree or coding bootcamp. Familiarity with tools like Git, databases (SQL/NoSQL), and frameworks such as React or Node.js is commonly expected. Problem-solving, effective communication, and eagerness to learn are standout soft skills in this role. These skills and qualities are crucial for building, maintaining, and improving software applications while collaborating efficiently with team members.

What are the most commonly searched types of Full Stack Software Engineer jobs in Seattle, WA?

The most popular types of Full Stack Software Engineer jobs in Seattle, WA are:

What are popular job titles related to Junior Full Stack Software Engineer jobs in Seattle, WA?

For Junior Full Stack Software Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Junior Full Stack Software Engineer jobs in Seattle, WA look for?

The top searched job categories for Junior Full Stack Software Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Junior Full Stack Software Engineer jobs?

Cities near Seattle, WA with the most Junior Full Stack Software Engineer job openings:

Junior Full Stack Software Engineer jobs near you
Infographic showing various Junior Full Stack Software Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, and 5% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $153,373 per year, or $73.7 per hour.

Senior Software Engineer, Full Stack

Brex

Seattle, WA • Hybrid

$192K - $240K/yr

Full-time

Re-posted 15 days ago

Job description

Engineering at Brex

Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level - from architecture to deployment. It's an environment where engineering is a craft, and builders become leaders.

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 will work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will also play a pivotal role in evolving our task orchestration infrastructure, helping us transition from a centralized, generic experience into highly tailored, purpose-built solutions for specific product domains.
You will tackle complex full-stack challenges, from designing scalable backend APIs and rule-evaluation engines for custom automations, to crafting intuitive frontend UX for our domain-specific task interfaces and workflow builders. Beyond core platform work, you will be part of a team that directly shapes broader product experiences - including leveraging AI to streamline user workflows and supporting the continuous evolution of our productivity tools in web and mobile.

Where you'll work

This role will be based in Seattle office. We are a hybrid environment that combines the energy and connections of being in the office with the benefits and flexibility of working from home. We currently require a minimum of three coordinated days in the office per week on Monday, Wednesday and Thursday. As a perk, we also have up to four weeks per year of fully remote work!

Responsibilities

  • Work with engineers across the company to build new features and products end-to-end
  • Own problems end-to-end, thinking through everything from user experience, data models, scalability, operability and ongoing metrics.
  • Provide technical leadership to team by driving roadmap direction, architectural design and mentorship
  • Work side-by-side with user-facing teams (Sales, Support) to best understand the needs of our customers.
  • Tune and polish features to a high degree of excellence.
  • Identify and implement reliability and performance improvements
  • Uphold our high engineering standards and bring consistency to the codebases, infrastructure, and processes you will encounter

Requirements

  • 7+ years of professional experience designing, developing, and deploying full-stack products
  • Strong proficiency in backend programming languages (Java, Kotlin, Python)
  • Experience architecting, building, and maintaining scalable, high-availability distributed systems
  • Experience designing and optimizing SQL and/or NoSQL databases, including data modeling, query performance tuning, and schema design
  • Experience building and maintaining RESTful APIs and/or GraphQL services
  • Experience with modern frontend technologies and tools like ES6+, React, TypeScript, and Webpack

Bonus points

  • Experience collaborating with cross-functional stakeholders and specialists in product, design, and operations
  • Experience driving initiatives at a broader level across an organization or company
  • Experience running in-product experiments, A/B testing
  • Experience and interest in leveraging AI developer tools

Compensation

The expected salary range for this role is $192,000 - $240,000. However, the starting base pay will depend on a number of factors, including the candidate's location, skills, experience, market demands, and internal pay parity. Depending on the position offered, equity and other forms of compensation may be provided as part of a total compensation package.

Brex LLC is a wholly owned subsidiary of Capital One, N.A.

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