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Software Engineer Application Development Jobs in Seattle, WA

SpaceX

Application Software Engineer

Redmond, WA · On-site +1

$145K - $200K/yr

APPLICATION SOFTWARE ENGINEER The application software team is the central nervous system of SpaceX ... Own all aspects of software engineering and product development * Deep dive into your users ...

SpaceX

Application Software Engineer

Redmond, WA · On-site

$145K - $200K/yr

APPLICATION SOFTWARE ENGINEER The application software team is the central nervous system of SpaceX ... Own all aspects of software engineering and product development * Deep dive into your users ...

SpaceX

Application Software Engineer

Redmond, WA · On-site

$145K - $200K/yr

APPLICATION SOFTWARE ENGINEER The application software team is the central nervous system of SpaceX ... Own all aspects of software engineering and product development * Deep dive into your users ...

Amphenol TCS

Application Development Engineer

Seattle, WA · On-site

$130K - $160K/yr

As an Application Development Engineer, you will interface with our customers, internal product development, product marketing, and sales teams, performing as an extension of Basics BU engineering ...

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Software Engineer Application Development information

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$67

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How much do software engineer application development jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for software engineer application development in Seattle, WA is $67.81, according to ZipRecruiter salary data. Most workers in this role earn between $53.08 and $76.06 per hour, depending on experience, location, and employer.

What is a software engineer in application development?

Software engineers in application development are professionals who design, build, test, and maintain software applications for computers, mobile devices, or web platforms. They work with programming languages, frameworks, and tools to create functional and user-friendly applications that meet specific business or consumer needs. Application development engineers often collaborate with other team members, such as designers, project managers, and quality assurance testers, throughout the software development lifecycle. Their work may involve troubleshooting bugs, optimizing performance, and ensuring the application's security and scalability.

What are the key skills and qualifications needed to thrive as a software engineer in application development?

To thrive as a Software Engineer in Application Development, you need strong programming skills (such as Java, Python, or JavaScript), a solid understanding of software design principles, and typically a degree in computer science or a related field. Experience with version control systems like Git, familiarity with integrated development environments (IDEs), and knowledge of frameworks (e.g., React, Spring) are commonly expected, and certifications such as AWS Certified Developer can be beneficial. Excellent problem-solving abilities, teamwork, and clear communication are important soft skills that help you excel in collaborative and fast-paced environments. These competencies are crucial for building reliable, efficient applications that meet business needs and adapt to evolving technological demands.

How does a software engineer in application development typically collaborate with product managers and designers during a project?

Software Engineers in Application Development frequently work closely with product managers and designers to ensure that the technical implementation aligns with user needs and business goals. Collaboration usually involves participating in planning meetings, providing technical feedback on feasibility, and iterating on prototypes or design mockups. Effective communication is essential, as engineers may need to clarify requirements, suggest alternative solutions, or identify potential technical constraints early in the development process. This collaborative approach helps deliver high-quality, user-friendly applications and fosters a dynamic team environment.

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For Software Engineer Application Development jobs in Seattle, WA, the most frequently searched job titles are:

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Cities near Seattle, WA with the most Software Engineer Application Development job openings:

Software Engineer Application Development jobs near you
Infographic showing various Software Engineer Application Development job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $141,054 per year, or $67.8 per hour.

Software Development Engineer - Application Security / Vulnerability Research

Seattle, WA • On-site

Makeen Custom Software Development & Technology Services
See more jobs at Makeen Custom Software Development & Technology Servicesexternal

$67 - $89.50/hr

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Job description

Software Development Engineer – Application Security / Vulnerability Research

**Location:** Remote – U.S. based (Seattle, WA preferred; Boston, MA acceptable)

**Experience:** 3+ years

**Contract:** 3 months, renewable quarterly

**Work Authorization Requirements:**

* U.S. Citizens or Green Card holders only

* W-2 contract only

* No C2C or sponsorship


Role Overview

We are seeking a Software Development Engineer with a strong background in application security, vulnerability research, and secure software development. The engineer will analyze known vulnerabilities, reproduce security issues, develop proof-of-concept exploits, and work with isolated environments for vulnerability testing.


Required Qualifications

  • Bachelor's degree in Computer Science, Cybersecurity, or related field, or equivalent practical experience.
  • 3+ years of experience in application security, vulnerability research, or secure software development.
  • Strong understanding of CVE taxonomy, CVSS scoring, and CWE vulnerability classes.
  • Experience writing exploits or proof-of-concept (PoC) reproductions for known vulnerabilities.
  • Strong programming skills in Python and C/C++.
  • Experience with shell scripting.
  • Hands-on experience with Docker and Docker Compose for isolated testing environments.


Preferred Qualifications

  • Experience with vulnerability analysis and security research.
  • Knowledge of memory corruption, authentication, injection, and other common vulnerability classes.
  • Experience debugging and analyzing software at the system level.
  • Familiarity with security testing and vulnerability assessment tools.
  • Software Engineering or Applied Science background with hands-on security experience.


What We Offer

  • Opportunity to work on large-scale, enterprise systems
  • Fully remote, globally distributed team
  • Collaborative Agile environment
  • Long-term project stability and growth opportunities


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