158 development assistant jobs at 92 companies in Kent, WA

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Development & Marketing Assistant
Seattle, Washington, United States
$25-$28/hr OnsiteFull Time
Launch
Launch: Providing preschool, after-school, and summer programs for children.
1+ YOE1-3 years nonprofit experience in development/communications, strong writing, donor database experience (Little Green Light preferred), WordPress, Constant Contact, Canva, and Microsoft Office proficiency.
Little Green Light, Canva, WordPress, Constant Contact, Microsoft Word, Microsoft Excel, Microsoft Outlook
1mo
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Assistant Director for Development, Natural Sciences
Seattle, Washington, United States
$76k-$81k/yr HybridFull Time
University of Washington
University of Washington: Provides higher education and comprehensive academic healthcare services.
3+ YOEBachelor's degree and 3+ years experience in advancement/development, donor cultivation and solicitation, portfolio management, proficiency with Microsoft Word/Excel/PowerPoint, strong communication and project management skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Software Development Engineer III
Seattle or Washington or United States
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOE5+ years professional software development experience; proficiency with Java, Python, JavaScript/TypeScript; strong CS fundamentals, cloud-native (AWS) experience, REST/GraphQL, microservices, containers, CI/CD, on-call operations, and AI-assisted tooling.
Java, Python, JavaScript/TypeScript, React, REST, GraphQL, SQS, SNS, AWS, DynamoDB, RDS, ECS, Lambda, S3, CloudWatch, Docker, Kubernetes, Terraform, CI/CD pipelines, Distributed tracing, centralized logging, metrics dashboards, PostgreSQL, Claude Code, Cursor, Git, Datadog, OpenTelemetry, AWS CDK
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Software Development Engineer III — Salesforce
Seattle, Washington, United States
$152k-$228k/yr HybridFull Time
F5
F5NASDAQ: FFIV: Provides application delivery networking and multi-cloud security solutions.
5+ YOE5+ years full-stack development with advanced Salesforce (Aura,LWC,Apex), AWS, AI-assisted workflows, CI/CD, Terraform, and modern web/database skills.
Lightning Web Components, Aura, Apex, React, Next.js, TypeScript, Java Spring Boot, Node.js, Python, AWS, API Gateway, IAM, OAuth, EC2, EKS, S3, RDS, Copilot, Codex, GitHub Actions, Azure DevOps, Jenkins, Terraform, ARM, Bicep, PostgreSQL, MySQL, CosmosDB, HTML, CSS, JavaScript
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Senior Software Development Engineer
Seattle, Washington, United States
$112k-$156k/yr HybridFull Time
MCG Health
MCG Health: Provides evidence-based clinical guidelines and software for healthcare.
5+ YOE5+ years software development experience building and operating Azure cloud-native distributed systems; strong C#, .Net Framework, SQL Server, REST APIs, microservices, CI/CD, IaC, security, incident response, and AI-assisted tooling experience.
Azure, C#, .Net Framework, SQL Server, REST APIs, Microservices, CI/CD, infrastructure-as-code, GitHub Copilot, Claude, Azure Service Bus, Kafka
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Executive Assistant, Corporate Development
Seattle, Washington, United States
$83k-$130k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOE5+ years executive assistant experience with calendar management, travel coordination, Microsoft Office proficiency, strong judgment, discretion, communication, and ability to manage competing priorities.
Microsoft Office
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Youth Development Professional-Elementary
Bainbridge Island, Washington, United States
$22-$23/hr OnsitePart Time
Boys & Girls Clubs of King County
Boys & Girls Clubs of King County: Provides educational and social development programs for local youth.
Provide outcome-driven youth programming, ensure youth safety and development, collect attendance and behavior data, and assist with program planning and delivery.
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Executive Assistant - Corporate Development
Everett, Washington, United States
OnsiteFull Time
Fortive
FortiveNYSE: FTV: Manufactures professional instrumentation, industrial tools, and specialized software.
8+ YOE8+ years supporting senior executives; advanced proficiency in Outlook, Teams, SharePoint, Word, Excel, PowerPoint; strong judgment, confidentiality, project management, and AI fluency for executive drafting and synthesis.
Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Executive Assistant - Corporate Development
Everett, Washington, United States
$42-$69/hr OnsiteFull Time
Fortive
FortiveNYSE: FTV: Industrial technology conglomerate providing critical instrumentation, software, and safety solutions.
8+ YOE8+ years supporting senior executives; advanced proficiency with Outlook, Teams, SharePoint, Word, Excel, PowerPoint; strong judgment, discretion, project management, AI fluency, and experience handling confidential M&A materials.
Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3d
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Activities Assistant
Kirkland, Washington, United States
OnsiteFull Time
Life Care Centers of America
Life Care Centers of America: Operates skilled nursing and rehabilitation centers for senior citizens.
Assist Director of Activities in planning, organizing, developing, and directing quality activities for patients and residents.
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Business Development Representative (BDR)
Snoqualmie, Washington, United States
$30-$37/hr FieldFull Time
Sherwin-Williams
Sherwin-WilliamsNYSE: SHW: Global manufacturer and distributor of paints and protective coatings.
1+ YOEMust be 18+, authorized to work without sponsorship, valid driver's license, HS diploma/GED, 1+ year retail/sales/customer service experience, able to lift up to 50 lbs frequently (70 lbs occasionally), willing to work evenings and weekends; preferred: outside sales, assistant manager experience, associate degree, CRM experience, Spanish bilingual.
CRM
3d
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Production Assistant
Auburn, Washington, United States
OnsiteFull Time
Costco
CostcoNASDAQ: COST: Operates a global chain of membership-only warehouse clubs.
Assist machine operator with packaging and development of items, work with team to meet productivity and perform shipping of finished products.
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Professional Development Coordinator (Legal Education)
Boston or New York or Santa Monica or Los Angeles or Palo Alto or Chicago or Washington or Colorado or Seattle or San Francisco or San Diego or Reston
$63k-$94k/yr OnsiteFull Time
Cooley
Cooley: Provides legal counsel to technology and life sciences companies.
2+ YOE2+ years related experience (4+ for senior). Proficient in Microsoft Office, able to work overtime, coordinate in-person & virtual trainings, maintain LMS content, assist with CLE compliance and training logistics.
Microsoft Office, CE Manager, Learning Management System
2mo
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Assistant Teacher
Renton, Washington, United States
$20-$22/hr OnsiteFull Time
The Goddard School of Renton
The Goddard School of Renton: Provides early childhood education and daycare services for children.
Assist Lead Teacher; support child development; lift up to 50 lbs; HS diploma required; experience with young children preferred.
2mo
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On-Call Classroom Assistant
Seattle, Washington, United States
$21-$24/hr OnsiteAll Commitments Available
Akin
Akin: Provides early childhood education and comprehensive family support services.
Assist in providing child development services; support lead/assistant teachers; maintain records; comply with Head Start and licensing standards.
Office 365
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Associate Research Assistant - Tumor Institute
Seattle, Washington, United States
$21-$30/hr HybridFull Time
Providence
Providence: Provides comprehensive healthcare services through hospitals, clinics, and health plans.
0.5+ YOE6 months prior experience; supports basic and clinical research, may assist with patient care for clinical trials; strong communication and problem-solving skills.
2mo
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Assistant Store Manager
Tacoma, Washington, United States
$17-$24/hr OnsiteFull Time
O'Reilly Auto Parts
O'Reilly Auto PartsNASDAQ: ORLY: Retailer of automotive aftermarket parts and professional tools.
Retail management experience; able to lead and develop team; bilinguals encouraged; certifications including Sales Specialist Training, Assistant Manager Certification, RSS; ASE and Certified Parts Professional desirable.
1mo
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Laboratory Assistant
Everett or Seattle
$20-$21/hr OnsiteFull Time
Altasciences
Altasciences: Provides clinical research and manufacturing services for drug development.
High school diploma/GED required; basic math and computer skills; ability to follow SOPs and GLP documentation; operate and maintain lab equipment; perform inventory and hazardous chemical disposition; effective written and verbal communication.
2d
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Assistant Teacher
Puyallup, Washington, United States
$18-$19/hr OnsitePart Time
Learning Care Group
Learning Care Group: Providing early childhood education and childcare services through multiple brands.
Meet state/accreditation education and experience requirements; engage children indoors/outdoors; complete training in childcare and child development.
2d
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2026-2027 Assistant Coach Volleyball
Lynnwood, Washington, United States
$5k-$6k/yr OnsiteSeasonal
Edmonds School District
Edmonds School District: Provides public K-12 education and student support services.
High school diploma or GED, age 21+, strong sport knowledge, assistant/volunteer coaching experience preferred, ability to stand/walk long periods, lift up to 50 lbs, complete professional development.