4063 Senior Developer jobs in Washington

Join to apply for the Web Developer role at Canonical Join to apply for the Web Developer role at Canonical Our mission is great open source It is our mission to make open source software available to people everywhere. We create world-renowned software, impacting the lives of millions of people every day. The web team works in a multi-disciplinary environment with visual designers, UX designers and other developers to bring exciting new web projects to life. We help and learn from each other and constantly strive to improve both our work and our processes. Required Skills And Experience Demonstrable experience of work on modern web applications A strong understanding of HTML, CSS with SCSS and JavaScript Experience with Javascript components libraries Experience with TypeScript Experience with responsive user interfaces for a wide range of devices and browsers Experience with Git or other version control systems Awareness of SEO best practice Consideration of accessibility in all aspects of your work A strong understanding of web performance in complex user interfaces Ability to interact with UX, designers and server-side developers Curiosity about technology and a thirst to learn Based in EMEA timezones (Europe, the Middle East and Africa) University degree or equivalent education Useful experience if you have it Familiarity with Linux desktop technologies Server-side languages, such as Python or NodeJS Experience working on a large scale React (with TypeScript) project A history of open source contributions Relevant work experience Who you are We want a Web Developer who loves what they do. You are passionate about web standards and keep abreast of new developments in our industry. You always look for opportunities to improve your skills. You like to show off what you're working on and also learn from others. You have strong attention to detail and value the design of a product as much as you value the code. You have strong communication skills and maybe even blog once in a while. You're aware of the latest CSS techniques but also know the limitations that developing for a broad audience can bring - actually, you embrace the challenge. In this team You'll create high fidelity websites and web apps using the latest incarnations of HTML, CSS (SCSS) and Javascript (React and TypeScript) You'll help maintain existing projects including updating content and adding new pages You'll manage incoming requests for updates and liaise with or delegate to other people as necessary You'll ensure the standard of our output remains high and consistent across our whole product portfolio You'll ensure new pages are published according to specification and in compliance with our web style guide You'll participate in and contribute to our living style guide, Vanilla Framework. Work closely with UX designers and visual designers to implement exemplary user experiences. What we offer An opportunity to help shape a company and products with a strong influence in the open source community An inclusive work environment within a team of friendly people with a broad range of skill sets, from UX designers to copywriters Learning and development Annual compensation review Recognition rewards Annual leave Priority Pass for travel We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity we will give your application fair consideration. Seniority level Seniority level Entry level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at Canonical by 2x Sign in to set job alerts for “Web Developer” roles. Seattle, WA $130,000.00-$00,000.00 1 week ago Seattle, WA 150,000.00- 180,000.00 1 week ago Seattle, WA 140,000.00- 225,000.00 23 hours ago Seattle, WA 150,000.00- 180,000.00 1 week ago Seattle, WA 130,000.00- 150,000.00 4 months ago Greater Seattle Area 150,000.00- 250,000.00 1 day ago Founding Principal Engineer (Full Stack) Seattle, WA 160,000.00- 300,000.00 23 hours ago Seattle, WA 150,000.00- 180,000.00 16 hours ago Senior Engineer – Full Stack, Strategy Foundation Engineering *Remote* Seattle, WA $1 5,000.00- 215,000.00 2 days ago Seattle, WA 190,000.00- 220,000.00 2 months ago Seattle, WA 165,000.00- 200,000.00 1 week ago Senior Full Stack Engineer, Security Products Seattle, WA 147,070.00- 183,810.00 2 days ago Seattle, WA 130,000.00- 170,000.00 1 week ago Customer Success Engineer - West (Bilingual) Seattle, WA 90,000.00- 120,000.00 2 weeks ago Greater Seattle Area 187,500.00- 240,000.00 1 week ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr

#NowHiring #WebDeveloper
Job Title: Web Developer IV
Contract: 5 Months
Compensation: This position is offering a hourly rate range from $78 - $81 an hour.

Belcan is a leading provider of professional IT, Engineering, Workforce Solutions and staffing in the United States, Canada, UK, Europe, and India.

A Web Developer IV Job in Seattle, WA is currently available through Belcan. In this role will be responsible for creating HTML/XHTML and CSS and AEM templates and components for AWS Events microsites. If you are interested in this role, Apply Today!

Job Description:
Client is looking for a front-end web development contractor with Adobe Experience Manager (AEM) experience to join the AWS Events Tech team. You will be responsible for creating HTML/XHTML and CSS and AEM templates and components for AWS Events microsites. The successful candidate should be experienced working with graphics design tools (Photoshop, Illustrator) and converting design mockups to cross browser compatible HTML/CSS ,JavaScript, and AEM templates and components.

Primary Responsibilities:
-Use design software to create mockups and html prototypes for new features
-Build/Code static and dynamic pages from these mockups and additional specifications
-Create and manage CSS styles and CSS frameworks
-Ensure customer-facing new features meet style requirements
-Create code for front-end behaviors with Dynamic HTML
-Cross-browser test and troubleshoot site presentation
-Develop optimized/cross-platform front-end code in CSS/XHTML, and JavaScript
-Develop functional prototypes to demonstrate concepts and to enable rapid iterative support for usability research.
-Collaborate with product managers, designers, backend engineers, and researchers to refine the user experience.
-A proven portfolio demonstrating the above skills will be required

Knowledge and Experience Required:
-4+ years of experience years experience in front-end web development
-4+ years of experience years experience in AEM development
-Browser rendering and cross-browser knowledge
-Expert with HTML/XHTML at the hand-coding level.
-Expert in CSS for content styling and layout.
-Exhibit an understanding of cross-browser compatibility issues.
-JavaScript skill is preferred
-Able to operate in a Linux environment

Skills and Abilities Required:
-Expert with a major design application (Fireworks or Photoshop)
-Expert XHTML/CSS for cross-browser rendering
-User Interface design and diagramming
-JavaScript to add behaviors to otherwise static pages
-Semantic coding with CSS/XHTML

Location: Seattle, WA
Zip Code: 98121
Keyword"s: #Seattlejobs; #WebDeveloperjobs;
Start Date: Right Away

#ZR

If you are interested in this role, please apply via the apply now link provided. Our overriding goal is to provide quality staffing solutions that help people, organizations, and communities succeed. Belcan is a leading provider of qualified personnel to many of the world's most respected enterprises. We offer excellent opportunities for contract, temporary, temp-to-hire, and direct assignments. We are the employer of choice for thousands worldwide. For more information, please visit our website at Belcan.com

Our client, a leading technology organization, is seeking a Web Developer 2 to join their team. As a Web Developer 2, you will be part of the development team supporting the Index Server team. The ideal candidate will have strong communication skills, a fast-learning ability, and a collaborative mindset which will align successfully in the organization.

Job Title: Web Developer 2

Location: Redmond, WA - Onsite

Pay Range: $46.27 - $50.hr on Experis W2

What's the Job?

• Develop and maintain scalable front-end applications using React.
• Build and optimize back-end services and APIs using C# (.NET).
• Design and manage relational databases using SQL Server.
• Deploy and manage applications in Kubernetes environments.
• Collaborate with product managers, designers, and other engineers to deliver end-to-end solutions.

• 2-4 years of overall experience in web development.
• Proficiency in front-end development using React.
• Experience with server-side development using C#.
• Familiarity with full-stack development practices.
• Ability to implement and maintain CI/CD pipelines.

• Opportunity to work on innovative projects like the Papyrus Portal and OnePortal.
• Collaborative work environment with a focus on continuous improvement.
• Chance for role extension based on performance.
• Access to standard equipment such as a laptop, mouse, headset, and extra monitor.
• Engagement in a fast-paced, dynamic team setting.

• Medical and Prescription Drug Plans
• Dental Plan
• Vision Plan
• Health Savings Account
• Health Flexible Spending Account
• Dependent Care Flexible Spending Account
• Supplemental Life Insurance
• Short Term and Long Term Disability Insurance
• Business Travel Insurance
• 401(k), Plus Match
• Weekly Pay

Our client, a leading technology organization, is seeking a Web Developer 2 to join their team. As a Web Developer 2, you will be part of the development team supporting the Index Server team. The ideal candidate will have strong communication skills, a fast-learning ability, and a collaborative mindset which will align successfully in the organization.

Job Title: Web Developer 2

Location: Redmond, WA - Onsite

Pay Range: $46.27 - $50.hr on Experis W2

What's the Job?

• Develop and maintain scalable front-end applications using React.

• Build and optimize back-end services and APIs using C# (.NET).

• Design and manage relational databases using SQL Server.

• Deploy and manage applications in Kubernetes environments.

• Collaborate with product managers, designers, and other engineers to deliver end-to-end solutions.

What's Needed?

• 2-4 years of overall experience in web development.

• Proficiency in front-end development using React.

• Experience with server-side development using C#.

• Familiarity with full-stack development practices.

• Ability to implement and maintain CI/CD pipelines.

Must Have:

1. Experience with React (front-end development)

2. Experience with C# (server-side development)

3. Experience with Full-stack development (browser client and server side

4. Experience with Engineering CI/CD pipelines

What's in it for me?

• Opportunity to work on innovative projects like the Papyrus Portal and OnePortal.

• Collaborative work environment with a focus on continuous improvement.

• Chance for role extension based on performance.

• Access to standard equipment such as a laptop, mouse, headset, and extra monitor.

• Engagement in a fast-paced, dynamic team setting.

Upon completion of waiting period consultants are eligible for:

• Medical and Prescription Drug Plans

• Dental Plan

• Vision Plan

• Health Savings Account

• Health Flexible Spending Account

• Dependent Care Flexible Spending Account

• Supplemental Life Insurance

• Short Term and Long Term Disability Insurance

• Business Travel Insurance

• 401(k), Plus Match

• Weekly Pay

If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands - Manpower, Experis, Talent Solutions, and Jefferson Wells - creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer ( and Certified Great Place to Work (

ASRC Federal is currently seeking a Senior Web Developer to work on-site in anticipation of upcoming work in Tacoma, WA.

The Senior Web Developer shall perform the following:

• Builds, designs, and maintains all websites and software applications.

• Regulates exposure to business stakeholders and executive management as well as other authorities.

• Designs, writes, and edits website content.

• Understands UI, cross-browser compatibility, and general web functions and standards.

• Creates solutions for identified problems or bugs.

• Communicates with colleagues, managers, and stakeholders daily.

• Executes assignments with the use of web applications, scripts, and programming languages such as HTML, CSS, JavaScript, and APIs.

• Develops and validates test routines to ensure the quality of the external and internal interface.

• Plans and delivers software platforms and products across multiple organizational units.

• Designs assignments with web services like REST, SOAP, etc.

• Evaluates written code to ensure it meets industry standards and is compatible with all devices.

• Maintains a professional understanding of web development by tracking trends and participating in study groups.

• Accomplishes company goals by accepting ownership of new and different requests.

Requirements

• 7-10 years of experience as a Senior Web Developer, and have a full understanding of the Software Development Life Cycle

• Bachelor's degree and/or equivalency.

• Expertise in web development technologies, such as HTML, CSS, JavaScript, and other web development languages and frameworks.

• Possess a deep understanding of web development standards and best practices, and be able to apply this knowledge to develop robust, scalable web applications, to include the Sitecore content management system.

• Proficiency in backend development: experience with server-side programming languages and frameworks. To include ASP.Net, ASP.Net MVC, C# and Java. Should be able to design and develop database schemas and work with backend frameworks such as Node.js or Django.

• Experience with front-end development frameworks such as React, Angular, or Vue. Should be able to design and develop user interfaces that are both functional and visually appealing.

• Strong problem-solving skills: Should be able to identify and solve complex technical problems quickly and effectively. Should be able to troubleshoot issues and debug code efficiently.

• Leadership and mentoring skills: Should have strong leadership skills and be able to mentor and guide junior developers. Should be able to work effectively as part of a team and be able to communicate complex technical concepts to non-technical stakeholders.

• Demonstrated experience planning and managing multiple tasks

• Must be US Citizen ; successful candidate is subject to a background investigation by the government and must be able to meet the requirements to hold a position of public trust

We invest in the lives of our employees, both in and out of the workplace, by providing competitive pay and benefits packages. Benefits offered may include health care, dental, vision, life insurance; 401(k); education assistance; paid time off including PTO, holidays, and any other paid leave required by law.

EEO Statement

ASRC Federal and its Subsidiaries are Equal Opportunity employers. All qualified applicants will receive consideration for employment without regard to race, gender, color, age, sexual orientation, gender identification, national origin, religion, marital status, ancestry, citizenship, disability, protected veteran status, or any other factor prohibited by applicable law.

Job Details

Job Family Information Technology

Job Function Application Development

Pay Type Salary

ManTech seeks a motivated, career-focused, and customer-oriented Senior Web Developer to join an on-site team in either: Falls Church, VA, San Antonio, TX, Aurora, CO, or Tacoma, WA .

Responsibilities include but are not limited to:

• Full-stack (but front-end biased) individual contributor and mentor for teams responsible for the design, development, and maintenance of dynamic web applications across a mix of legacy (.NET, Sitecore) and modern architectures.

• Lead application development efforts using responsive design principles and modern JavaScript frameworks; while collaborating with UX designers, back-end developers, content editors, and system administrators to deliver cohesive, user-focused digital experiences.

• Troubleshoot and resolve production issues across multiple platforms, including legacy compatibility issues.

• Support integration with content management systems (CMS), web APIs, and enterprise services including identity/authentication, logging, and analytics.

• Drive modernization and migration of legacy codebases and UI components to modern standards and frameworks.

• Lead code reviews and establish standards for knowledge sharing across all development teams.

Minimum Qualifications:

• 4+ years of progressive experience as a software developer with at least 1+ years as a senior developer or technical lead spanning multiple application development projects/teams simultaneously.

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related discipline. Additional relevant military or professional experience (typically 4 years) may be substituted in lieu of a degree.

• Deep expertise in front-end technologies including HTML5, CSS3, JavaScript, and responsive frameworks (e.g., Bootstrap).

• Experience with one or more JavaScript frameworks such as React, Angular, or Vue.

• Strong C# skills, with experience with modern .NET Core, Razor Pages, or Blazor.

• Working knowledge of ASP.NET (Web Forms and/or MVC) and integration with RESTful APIs or web services.

• Proficiency with version control systems like Git and development workflows using Azure DevOps GitHub, or similar platforms.

• Experience with Sitecore CMS (development, templating, content workflows, personalization, or integration).

• Prior experience working with user bases exceeding 10,000, preferably in contexts involving operational healthcare, clinical training, or readiness systems.

Preferred Qualifications:

• Familiarity with DoD or federal cybersecurity standards (RMF, STIG, IL4/IL5, HIPAA).

• Experience supporting Defense Health Agency (DHA), MHS, Veterans Administration (VA), or other federal health agencies.

• Experience with Power Platform (Power Pages, Power Automate) and integration into web-based workflows.

• Experience with containerization (e.g., Docker) and cloud-native development on Azure or AWS.

• Certifications such as Azure Developer Associate or Microsoft Web Applications Developer (legacy MCSD).

Clearance Requirements:

• Must be a U.S. Citizen with the ability to obtain and maintain a Public Trust clearance.

Physical Requirements:

• Office work, typically sedentary with some movement around the office.

• Ability to travel (car or air) and present at conferences or meetings.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at and provide your name and contact information.

Pay rate range - $70/hr. to $75/hr. on W2 Job Description: Looking for a front-end web development contractor with Adobe Experience Manager (AEM) experience to join the Events Tech team. You will be responsible for creating HTML/XHTML and CSS and AEM templates and components for Events microsites. The successful candidate should be experienced working with graphics design tools (Photoshop, Illustrator) and converting design mockups to cross-browser compatible HTML/CSS, JavaScript, and AEM templates and components. Primary Responsibilities: -Use design software to create mockups and HTML prototypes for new features -Build/Code static and dynamic pages from these mockups and additional specifications -Create and manage CSS styles and CSS frameworks -Ensure customer-facing new features meet style requirements -Create code for front-end behaviors with Dynamic HTML -Cross-browser test and troubleshoot site presentation -Develop optimized/cross-platform front-end code in CSS/XHTML, and JavaScript -Develop functional prototypes to demonstrate concepts and to enable rapid iterative support for usability research. -Collaborate with product managers, designers, backend engineers, and researchers to refine the user experience. -A proven portfolio demonstrating the above skills will be required Knowledge and Experience Required: -4+ years of experience years experience in front-end web development -4+ years of experience years experience in AEM development -Browser rendering and cross-browser knowledge -Expert with HTML/XHTML at the hand-coding level. -Expert in CSS for content styling and layout. -Exhibit an understanding of cross-browser compatibility issues. -JavaScript skill is preferred -Able to operate in a Linux environment Skills and Abilities Required: -Expert with a major design application (Fireworks or Photoshop) -Expert XHTML/CSS for cross-browser rendering -User Interface design and diagramming -JavaScript to add behaviors to otherwise static pages -Semantic coding with CSS/XHTML About the company Intelliswift has been a top IT & Software solutions company in USA which provides end-to-end IT services and building strong digital foundations Notice Talentify is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status. Talentify provides reasonable accommodations to qualified applicants with disabilities, including disabled veterans. Request assistance at or 407-000-000. Federal law requires every new hire to complete Form I-9 and present proof of identity and U.S. work eligibility. An Automated Employment Decision Tool (AEDT) will score your job-related skills and responses. Bias-audit & data-use details: . NYC applicants may request an alternative process or accommodation at or 407-000-000. #J-18808-Ljbffr

Details: #NowHiring #WebDeveloper Job Title: Web Developer IV Contract: 5 Months Compensation: This position is offering a hourly rate range from $78 - $81 an hour. Belcan is a leading provider of professional IT, Engineering, Workforce Solutions and staffing in the United States, Canada, UK, Europe, and India. A Web Developer IV Job in Seattle, WA is currently available through Belcan. In this role will be responsible for creating HTML/XHTML and CSS and AEM templates and components for AWS Events microsites. If you are interested in this role, Apply Today! Job Description: Client is looking for a front-end web development contractor with Adobe Experience Manager (AEM) experience to join the AWS Events Tech team. You will be responsible for creating HTML/XHTML and CSS and AEM templates and components for AWS Events microsites. The successful candidate should be experienced working with graphics design tools (Photoshop, Illustrator) and converting design mockups to cross browser compatible HTML/CSS ,JavaScript, and AEM templates and components. Primary Responsibilities: -Use design software to create mockups and html prototypes for new features -Build/Code static and dynamic pages from these mockups and additional specifications -Create and manage CSS styles and CSS frameworks -Ensure customer-facing new features meet style requirements -Create code for front-end behaviors with Dynamic HTML -Cross-browser test and troubleshoot site presentation -Develop optimized/cross-platform front-end code in CSS/XHTML, and JavaScript -Develop functional prototypes to demonstrate concepts and to enable rapid iterative support for usability research. -Collaborate with product managers, designers, backend engineers, and researchers to refine the user experience. -A proven portfolio demonstrating the above skills will be required Knowledge and Experience Required: -4+ years of experience years experience in front-end web development -4+ years of experience years experience in AEM development -Browser rendering and cross-browser knowledge -Expert with HTML/XHTML at the hand-coding level. -Expert in CSS for content styling and layout. -Exhibit an understanding of cross-browser compatibility issues. -JavaScript skill is preferred -Able to operate in a Linux environment Skills and Abilities Required: -Expert with a major design application (Fireworks or Photoshop) -Expert XHTML/CSS for cross-browser rendering -User Interface design and diagramming -JavaScript to add behaviors to otherwise static pages -Semantic coding with CSS/XHTML Location: Seattle, WA Zip Code: 98121 Keyword"s: #Seattlejobs; #WebDeveloperjobs; Start Date: Right Away #ZR If you are interested in this role, please apply via the apply now link provided. Our overriding goal is to provide quality staffing solutions that help people, organizations, and communities succeed. Belcan is a leading provider of qualified personnel to many of the world's most respected enterprises. We offer excellent opportunities for contract, temporary, temp-to-hire, and direct assignments. We are the employer of choice for thousands worldwide. For more information, please visit our website at Belcan.com #J-18808-Ljbffr

SRI Tech is an IT staffing and solutions firm that serves clients with a full range of IT services, delivered effectively and efficiently. Ranked in the top 20% of the fastest-growing companies in the US by Inc. 5000, SRI Tech is a fast-growing and dynamic firm committed to leadership in IT services. Job Description Hi, Please find the below requirement and send me your updated resume. Location: Redmond, WA Job Type: 12 months Note - Portfolio review/ability to share prior work exemplar of skills required Please provide link within the resume and in the profile Roles and Responsibilities: Seeking a Front-End Design Developer. Design and develop presentation layer UI prototypes, synthesizing visual, motion, input, and interaction design across a diverse and evolving technology ecosystem. Contribute technical expertise throughout all stages of product design and development, including conceptual design, visual design language, motion personality, input language, UI platform, and tools maturity, prototyping, and production. Own quality standards, processes, schedules, costs, resources, training, and deliverables. Offer alternatives when technology constraints require design compromises. Help develop and refine UI pattern libraries and interaction guidelines. Utilize responsive design and emerging coding and design practices. Bring a multidisciplinary perspective to product design discussions. Qualifications: Microsoft experience is strongly preferred, including experience with Microsoft (1st party) or comparable companies like Facebook, Google, or Amazon. Top Skills Required: Portfolio review/ability to share prior work exemplars of skills required. Familiarity with current trends in conversational user interfaces, web and responsive design, social media, bots, and bot development tools. Thanks and Best Regards, Harika Kollu SRI Tech Solutions Inc. (T) ( Ext 151, (M) , (F) Additional Information All your information will be kept confidential according to EEO guidelines. #J-18808-Ljbffr