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Web Developer Contract Jobs in Seattle, WA (NOW HIRING)

Microsoft

AdTech Platform Engineering Lead

Redmond, WA · On-site

$114K - $151K/yr

Own the end to end web platform lifecycle, from developer experience and build/release pipelines ... Establish and manage service contracts, versioning, and change management processes with consuming ...

Level

Senior Full-Stack WebApp Engineer

Bellevue, WA · On-site

$110 - $150/hr

Make explicit trade‑offs on data modeling, contract design, and service boundaries; partner with ... Actively contribute to improving web architecture, technical foundations, and developer experience.

PSG Global Solutions

DevOps Engineer

Seattle, WA · On-site

$60 - $82.25/hr

... long term contract (or permanent) position. This team supports all lines of business within the ... Chef, Puppet, etc). 3) Web server platform support experience. 4) Scripting / programming ...

Arka Infotech Inc

Lead Mobile Developer

Seattle, WA · On-site

Mobile Developer 2 yrs contract Contract or contract-to-hire Location: Seattle, WA Visa copy ... NET, C#, Jquery, HTML5, CSS3 Experience defining, developing and maintaining web services and ...

Collabera

.NET Developer

Bellevue, WA · On-site

$54.50 - $72/hr

Not multiple short-term contracts). Responsibilities: We expect our engineers to do much more than ... Web-Services with understanding of commonly used design patterns Driven and self-motivated. Work ...

krg technology inc

.Net Developer

Redmond, WA · On-site

$54 - $71.50/hr

Redmond WA Duration: Full Time / Contract 1..8+ strong experience in .NET (C#) 4.x, 2. Hands on ... NET with MVC architecture and Web API 3. In-depth knowledge in CSS, JavaScript, JSON and XML 4. ...

Hirekeyz Inc

Sr .Net Developer with FHIR/AHDS

Seattle, WA · Remote

$55.75 - $73.75/hr

Contract * 12+ years of strong experiecne in building applications using C# and .NET Core * Hands ... Web API Development Experience in creating and using Web APIs * Hands on experience working on ...

Webtellect, LLC

FE Developer + React

Seattle, WA

$118K - $137K/yr

Experience with web application frameworks like Express, Strongloop, RoR, or Spring Boot ... Additional Information Notes: * 6 month contract. * ** No 3rd parties. ** * ** No Visas allowed

Webtellect, LLC

FE Developer + React

Seattle, WA · On-site +1

$118K - $137K/yr

Experience with web application frameworks like Express, Strongloop, RoR, or Spring Boot ... Additional Information Notes: * 6 month contract. * ** No 3rd parties. ** * ** No Visas allowed

Emvia, Inc.

.Net Full Stack Developer

Redmond, WA · On-site

Redmond, WA(Locals) Duration :18 Months Contract Need 10+ years experience Full stack developer ... Microsoft Web Framework (MWF) that will be bonus but not a must. Must Have (Please mention the ...

SummitHR

Contracts Administrator

Seattle, WA · On-site

$70 - $80/hr

Large‐scale construction management type software such as PM Web, Primavera etc. Professional ... degree in engineering or business related field, as well as training in procurement,contract ...

Dellfor Technologies

senior .net developer

Redmond, WA

$80K/yr

Minimum 2 Years Experience working with Amazon Web Services (AWS) and Pivotal Products. Minimum 8 ... Contract Salary: $80,000.00 /year Required education: * Bachelor's Required experience: * Developer ...

Yochana IT Solutions Inc

Java 8 developer

Bellevue, WA · On-site

$57.50 - $74.50/hr

... in contract, contract to hire and full-time capacity. We have highly trained and tech savvy ... SPRING (Core, Web, MVC, AOP, Security, Batch, WebService), Struts, SOAP, JSON, WSDL, Jackson ...

EROS Technologies, Inc.

Java Developer

Seattle, WA · On-site

$58 - $75/hr

Position: - Java Developer Location: - Seattle, WA Joining Mode: - Contract - 5 - 7 years of ... of SOA, Web services, SOAP, Websphere Exposure to Unix/Linux. Strong object oriented design ...

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All JobsWeb Developer Contract JobsWeb Developer Contract Jobs in Seattle, WA

Web Developer Contract information

See Seattle, WA salary details

$19

$51

$82

How much do web developer contract jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for web developer contract in Seattle, WA is $51.38, according to ZipRecruiter salary data. Most workers in this role earn between $39.42 and $62.12 per hour, depending on experience, location, and employer.

What are web developer contract jobs?

Web developer contract jobs involve the design or development of websites. In these positions, you work on different projects on a contract or freelance basis. Your duties depend on the type of development projects on which you work. As a front-end web developer, you work on the user interface, and your responsibilities focus on creating the visual and interactive elements of a web page or application. As a back-end developer, you may use SQL, PHP, or other languages to perform server-side development and connect the website to a database.

What is the difference between Web Developer Contract vs Web Developer Full-Time?

AspectWeb Developer ContractWeb Developer Full-Time
CredentialsTypically requires a portfolio, coding skills, and sometimes certifications like HTML, CSS, JavaScriptSame as contract; often includes additional benefits and job stability
Work EnvironmentProject-based, flexible hours, remote or on-sitePermanent employment, regular hours, usually on-site or hybrid
Employer & Industry UsageFreelance or agency work, tech companies, startupsEstablished companies, corporate tech departments
Search & Comparison IntentHigh overlap in skills, certifications, and job functionsSimilar roles but with different employment terms

Web Developer Contract roles focus on project-based work with flexible hours and shorter commitments, often suited for freelancers or agencies. Full-Time positions offer stability, benefits, and long-term employment. Both roles require similar skills and certifications, but differ mainly in work environment and employment terms.

What are some common challenges faced by web developers working on a contract basis, and how can they be managed?

Contract web developers often encounter challenges such as rapidly adapting to new codebases, aligning with different teams' workflows, and managing client expectations within tight deadlines. Effectively communicating with stakeholders, clarifying project requirements early, and staying organized with project management tools can help mitigate these challenges. Additionally, being proactive in seeking feedback and documenting work thoroughly ensures smoother collaboration and successful project delivery.

What is a web developer contract?

A Web Developer Contract is a legal agreement between a client and a web developer outlining the terms, responsibilities, deliverables, timeline, and payment for web development services. This contract protects both parties by clearly defining the scope of work, deadlines, and any intellectual property rights. It typically covers specifics such as website functionality, design, maintenance, and post-launch support. Having a contract helps to prevent misunderstandings and ensures that both the client and developer are aligned on expectations.

What are the key skills and qualifications needed to thrive as a web developer contractor?

To thrive as a Web Developer Contractor, you need strong proficiency in programming languages like HTML, CSS, JavaScript, and relevant frameworks, supported by a portfolio of completed projects. Familiarity with version control systems such as Git, content management systems (CMS), and sometimes certifications like AWS Certified Developer can be valuable. Excellent problem-solving abilities, time management, and effective client communication are standout soft skills for this role. These capabilities are essential to deliver high-quality web solutions efficiently, meet client expectations, and adapt to diverse project requirements.
More about Web Developer Contract jobs
What are the most commonly searched types of Web Developer jobs in Seattle, WA? The most popular types of Web Developer jobs in Seattle, WA are:
What are popular job titles related to Web Developer Contract jobs in Seattle, WA? For Web Developer Contract jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Web Developer Contract jobs in Seattle, WA look for? The top searched job categories for Web Developer Contract jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Web Developer Contract jobs? Cities near Seattle, WA with the most Web Developer Contract job openings:
Web Developer Contract jobs near you
Infographic showing various Web Developer Contract job openings in Seattle, WA as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 13% Part Time, and 8% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $106,861 per year, or $51.4 per hour.

AdTech Platform Engineering Lead

Microsoft

Redmond, WA • On-site

$114K - $151K/yr

Full-time

Re-posted 23 days ago

Microsoft rating

8.5

Company rating: 8.5 out of 10

Based on 132 frontline employees who took The Breakroom Quiz

78th of 242 rated software companies

Job description

Overview
We are looking for an Adtech Platform Engineering Lead to join our AdTech and Marketing Technology organization. This role is responsible for leading a team that designs, builds, and operates the web platform capabilities that power high traffic marketing experiences across Microsoft. This is a player coach role. The AdTech Platform Engineering Lead is expected to both manage and develop a high performing engineering team and remain hands on as the technical authority for platform architecture, shared services, reliability, security, and operational excellence. The role sits at the intersection of business capability needs and technical execution-translating evolving marketing and product requirements into a clear, deliverable platform roadmap. The ideal candidate combines strong people leadership, deep technical expertise in modern web platforms (cloud hosted services, CI/CD, observability, edge/CDN, and performance), and a proven ability to operate business critical, privacy sensitive systems at scale.
Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.
Responsibilities
Team Leadership & Delivery
  • Lead, mentor, and grow a team of platform engineers, setting clear expectations for ownership, quality, security, and operational excellence.
  • Translate business and product requirements into a prioritized technical delivery plan, roadmap, and backlog for shared web platform capabilities.
  • Balance delivery speed with long term platform health through clear architectural direction, sound engineering practices, and disciplined execution.

Hands On Technical Ownership
  • Act as the hands on technical authority for web platform architecture; design, review, and directly implement complex or high risk components as needed.
  • Own the end to end web platform lifecycle, from developer experience and build/release pipelines through runtime infrastructure, traffic management, and production operations.

Platform Standards, Governance & API Management
  • Define and enforce platform standards for service templates, logging/metrics, configuration, dependency management, and release practices.
  • Establish and manage service contracts, versioning, and change management processes with consuming product teams.
  • Ensure consistent patterns for authentication/authorization, identity propagation, and secure defaults across platform components.

Reliability, Observability & Operations
  • Define and own availability, latency, and reliability SLOs/SLAs for critical web platform services.
  • Build and operate observability (metrics, logs, traces), alerting, dashboards, and automated runbooks.
  • Own on call readiness, incident response, root cause analysis, and preventative remediation for business critical services.

Privacy, Compliance & Audit Readiness
  • Partner with privacy, legal, and security teams to ensure privacy by design, consent handling, data minimization, and compliant data usage.
  • Maintain audit ready documentation including data lineage, classifications, access controls, and operational controls.

Cross Functional Leadership
  • Serve as the primary technical point of accountability across

Web engineering, Marketing Measurement, Analytics, and Platform teams.
  • Communicate clearly with technical and business stakeholders on tradeoffs, risks, and delivery progress.

Other
  • Embody our culture and values.

Qualifications
Required/minimum qualifications
  • Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.

Additional or preferred qualifications
  • Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.
  • 4+ years people management experience, including hiring, coaching, performance management, and team development.
  • 8+ years of experience in software engineering, platform engineering, or SRE, owning large scale production web services.
  • 5+ years of experience translating business and product needs into technical architecture and executable delivery plans.
  • 4+ years of experience in security, privacy, and compliant data handling for customer facing web platforms.
  • 5+ years of experience with the Azure ecosystem (App Service, AKS, Front Door, API Management, Key Vault, Monitor/Application Insights) or equivalent cloud services.

#EandEjobs
Software Engineering M5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

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About Microsoft

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Our infrastructure is comprised of a large global portfolio of more than 100 datacenters and 1 million servers. Our foundation is built upon and managed by a team of subject matter experts working to support services for more than 1 billion customers and 20 million businesses in over 90 countries worldwide. With environmental sustainability and optimization at the forefront of our datacenter design and operations, we continue to grow and evolve as we meet the ever-changing business demands that hold Microsoft as a world-class cloud provider.

Industry

Computer and computer peripheral equipment and software wholesalers

Company size

10,000+ Employees

Headquarters location

Redmond, WA, US

Year founded

1975

Social media

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