417 Results for

Developer Jobs in Mercer Island, WA

Jobs

New!

Seattle,, Washington2 days ago

$80–$90 Per Hour
Contractor

The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. The ideal candidate will bring advanced technical expertise, innovative problem-solving skills, and a passion for developing high-quality software solutions.

New!

Seattle, WA2 days ago

$78,000–$127,000 Per Year

Since 2010 , SynergisticIT has helped candidates return to the workforce and land full-time jobs at major employers—companies like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Citi, JPMC, Walmart Labs, Deloitte , and more—often with offers between $90,000 and $154,000 depending on role and expertise. SynergisticIT commonly supports hiring pipelines for roles such as junior software programmer , Java full stack engineer , Python/Java developer , DevOps/cloud engineer , plus data-track roles like data analyst , BI analyst , data engineer , data scientist , and ML/AI engineer .

New!

Issaquah, WAToday

Lead the development, design, and maintenance of iSeries (AS/400) code supporting Enterprise retail and supply chain applications. Collaborate with architects, analysts, and business owners to deliver high-quality, scalable solutions.

Bellevue, WA22 days ago

Remote

$82,000–$141,000 Per Year
Full-time
Employee

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

Seattle, WA10 days ago

$82,000–$145,000 Per Year
Temporary
Contractor
Full-time

They're filtered by ATS systems, keyword screening, and recruiters looking for job-ready signals—specific stacks, strong project depth, relevant certifications, and clear experience narratives. Since 2010, SynergisticIT has helped candidates land full-time roles at organizations such as Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Walmart Labs, Client, Banking, Client, Client, and hundreds more.

Redmond, WA28 days ago

Temporary
Contractor
Full-time

We are looking for a contract software engineer to maintain and expand the software and systems in our data collection lab in Redmond, WA, in order to ensure that the data collection process is efficient, accurate and reliable. You will work with a team of audio/video engineers and recording technicians, as well as an international team of software engineers and interdisciplinary audio researchers.

Seattle, WA25 days ago

Remote

$78,000–$136,000 Per Year
Temporary
Contractor
Full-time

SynergisticIT works with clients hiring for entry-level software programmers, Java full stack developers, Python/Java developers, data analysts, data engineers, data scientists, and machine learning engineers. Ideal candidates for interview-focused support include: recent grads with limited experience, candidates stuck after multiple interviews, professionals returning after layoffs, candidates with career gaps.

Seattle, WA28 days ago

$45,760–$65,520 Per Year

Tacoma, WA30+ days ago

$60,000–$72,000 Per Year
Full-time
Employee

Has up to 0 - 2 years of web development experience using the following (or similar) technologies: HTML, Javascript, CSS, JQuery, Typescript, Angular (React or Vue are acceptable substitutes), Restful APIs, Bootstrap, C#, Blazor, Visual Basic, ASP.NET, WebForms, and MS SQL Server. Our investments in technology and training give our employees the tools to ensure our clients are provided the solutions they need, and our very high employee retention rate and stable workforce is an added value to our customers.

Seattle, WA30+ days ago

Full-time
Employee

Deep experience in one of the following domains: server-side web dev, modern client-side web dev, REST/web services, large scale data analytics using Machine Learning frameworks, networking, and service mesh required. WHAT YOU'LL DO: Design & Develop Software: Build scalable, resilient, and secure services while developing prototypes, proofs of concept, and productionready features using modern engineering practices.

Seattle, WA29 days ago

Full-time
Employee

Experience with test frameworks such as Nunit, MSTest, Xunit, jest, puppeteer, mocka, pytest, unittest, Specflow, or Gherkin and accessibility focused automation using tools such as Selenium, Playwright, Axe, Evinced, and Accessibility Insights. Minimum five years of experience designing test plans, cases and writing automated tests in a team environment required including applying shift left accessibility practices and partnering with design and development teams to embed accessible patterns early.

Seattle, WA28 days ago

Full-time
Employee

Lead Advanced Test Automation:You'll design, build, and maintain robust automated test frameworks, scripts, and test data models to expand automation coverage and reduce manual testing effort across releases. Ensure Testable, HighQuality Design:You'll partner closely with developers, architects, and product owners to ensure systems and services are designed with testability, quality, and scalability in mind.

Tacoma, WA30+ days ago

$65,000–$85,000 Per Year
Full-time
Employee

Has 2-5 years of full stack web development experience using the following (or similar) technologies: HTML, Javascript, CSS, JQuery, Typescript, Angular (React or Vue are acceptable substitutes), Restful APIs, Bootstrap, C#, Blazor, Visual Basic, ASP.NET, WebForms, and MS SQL Server. Our investments in technology and training give our employees the tools to ensure our clients are provided the solutions they need, and our very high employee retention rate and stable workforce is an added value to our customers.

Lynnwood, WA30+ days ago

Full-time
Employee

develop and write computer programs to store, locate, and retrieve specific documents, data, Create, modify, and test the code and scripts that allow computer applications to run.

Kirkland, WA30+ days ago

$212,202–$212,202 Per Year
Full-time
Employee

Translate ambiguous business objectives into actionable technical specifications by collaborating directly with Product and Business teams; lead client engagement to gather requirements, design integrations, present solution architectures, and drive resolution of cross-system dependencies. Architect and deploy advanced AI capabilities, including fine-tuning and customization of Large Language Models, development of multi-modal pipelines (text, vision, and speech), and integration of custom domain-specific models for production workloads.

Redmond, WA30+ days ago

Remote

Full-time
Employee

The ideal candidate will have strong experience in WordPress site migrations, Sage theme upgrades, and full-stack web development and a proven ability to deliver reliable, accessible, and high-quality web experiences at scale. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.

Seattle, WA30+ days ago

Full-time
Employee

High-levelexpertiseintwo or more of the following domains: server-side web dev, client-side web dev, REST/web services, large scale data analytics using Machine Learning frameworks,networkingand service mesh. You'lluse your technical mastery, creativity, and business insight to turnbig ideasinto real impact-driving forward-thinking technologies, collaborating with talented teams, and influencinghigh valueoutcomes across the organization.

Seattle, WA30+ days ago

Full-time
Employee

IMPACT YOU'LL MAKE: As a Staff Software Developer on BECU's AI Innovation & Strategy team, you'll lead the technical direction of our new AI products designed to empower staff with faster, more accurate, and more confident support for our members. WHAT YOU'LL DO: Lead AI Product Development: Serve as the technical lead for our new AI products, guiding their expansion and ensuring they align with evolving organizational and member needs.

Redmond, WA30+ days ago

Remote

Temporary
Contractor
Full-time

In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Microsoft Devices designs and manufactures premium hardware like Surface and Xbox, innovating across supply chains, product engineering, manufacturing, and services to deliver iconic products.

Wedgwood, WA30+ days ago

Full-time
Employee

and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. To conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.

Times Square, WA30+ days ago

Full-time
Employee

This role focuses primarily on hands on development, working closely with the development team, program managers, and business analysts to translate business needs into high quality technical solutions. This position is eligible for company benefits including but not limited to: Employer provided employee healthcare plan and reduced cost premium plans, life insurance, and short and long-term disability coverage.

Seattle, WA30+ days ago

Full-time
Employee

The Lead Full Stack Developer is a senior technical contributor and emerging people leader responsible for delivering endtoend application development while helping to mentor and shape a highperforming team in collaboration with the Director of Product Strategy. The ideal candidate thrives in a collaborative environment, builds strong working relationships, is committed to continuous learning, and demonstrates leadership traits that position them to eventually serve as a future partner and backup to the Director.

Seattle, WA29 days ago

Intern
Full-time

As a BECU intern, you will collaborate with experienced professionals on impactful initiatives, gain exposure to key areas of our business, and develop a deeper understanding of how a credit union supports financial well-being in its community. Our 12-week internship program offers an immersive, hands-on learning experience designed to equip students with valuable skills, real-world projects, and opportunities to grow personally and professionally.

Seattle, WA29 days ago

Intern
Full-time

Seattle, WA23 days ago

Full-time
Employee

The ideal candidate is a strong backend-focused developer with deep .NET expertise, comfort working across the full stack when needed, and professional maturity to collaborate effectively with both technical and non-technical stakeholders. Backed by close partnerships with over 400 leading technology providers, our 10,000+ strong team helps people and organizations dream bigger, move faster, and build better tomorrows for all.

Lynnwood, WA30+ days ago

Full-time
Employee

develop and write computer programs to store, locate, and retrieve specific documents, data, Create, modify, and test the code and scripts that allow computer applications to run.

Seattle, WA30+ days ago

Full-time
Employee

Minimum seven years of hands-on experience with programming and scripting languages such as C#, Python or JavaScript/Typescript (or other languages) performing software development/QA in a polyglot environment, including scripting to support performance frameworks like JMeter. WHAT YOU'LL DO: Lead Test Strategy & Execution:Develop inclusive, scalable test strategies, automation frameworks, and performance tools that empower engineering teams across web, mobile, and data environments.

Redmond, WA30+ days ago

Full-time
Employee

Analyze, develop, and test multitier Enterprise applications using various technologies such as ERP, web, and server-based technologies/software such as Web-logic & TOMCAT, Application Server, HTML/ XHTML, ASP.NET, AS Applications, jQuery, Advanced JavaScript, Cascading Style Sheets (CSS) and Java Server Faces (JSF), Java/J2EE, Java Script, Ajax, SQL, SOAP, REST, JSON, SOQL Queries, APEX classes and Triggers, SAP, S4 HANA, ABAP and IBM tools et al. Must be willing to travel for setting up various systems to various clients at unanticipated locations within the United States for short term and long term durations.

New!

Issaquah, WA6 days ago

$180,710–$180,710 Per Year
Full-time
Employee

Travel could range from occasional trips lasting a few days to regular or extended periods away, depending on the scope of responsibilities. Travel/relocate to various unanticipated locations throughout the U.S. for long- and short-term assignments at client sites.

East Port Orchard, WA30+ days ago

Full-time
Employee

As a low-code/no-code solution engineer at Booz Allen, you'll broaden your skills in programming languages and databases, using little to no code to help us identify new techniques and improve the digital environment. The Opportunity: As a low-code/no-code (LCNC) solution engineer, you know how to harness the latest technologies by developing low-code platforms and creating user-friendly solutions for your clients.

Seattle, WA22 days ago

Full-time
Employee

You will join a development team creating a native iOS application that will enable airline training organizations to efficiently collect training and evaluation assessments for commercial airline pilots. 3-5+ years building production React Native apps, with App Store releases and iOS focus.

Issaquah, WA30+ days ago

$100,000–$140,000 Per Year
Full-time
Employee

Solid subject matter expertise on the functional use of technology-based distribution systems: experience with solutions such as Infios / Korber (HighJump) / WMS, Voice and RF WMS equipment or other point-of-pick hardware, ProShip / Parcel management, Conveyor hardware/software interfaces, Databases/reporting tools. Technically, the position requires an understanding of SQL, database concepts, enterprise reporting platforms, and web application development plus, an understanding of distribution delivery components like RF, voice, label generation, warehouse management, and parcel management.

Bellevue, WA23 days ago

$137,459–$195,976 Per Year
Full-time
Employee

Bachelor’s degree or foreign equivalent in Computer Science, Engineering, Mathematics or a related field of study and six (6) years of progressive post-baccalaureate experience in the job offered or related occupation. Alternatively, a Master’s degree or foreign equivalent in Computer Science, Engineering, Mathematics or a related field of study and four (4) years of experience in the job offered or related occupation.

Renton, WA30+ days ago

$80,000–$105,000 Per Year
Full-time
Employee

Pay ranges may be higher or lower for non-resident WA employees, based on the market data for their region, allowing us to pay employees competitively in different geographic markets. Instead, this position is ideal for someone who enjoys working with business teams, improving processes, building reports, solving data problems, and learning how ERP systems power manufacturing operations.

Renton, WA21 days ago

Full-time
Employee

The Principal Software Developer uses a wide application of principles, theories, and technology concepts related to Human Resource and Payroll and/or Supply Chain and/or Finance and/or nurse scheduling and/or IS business processes and ERP systems, to develop solutions to a diverse array of difficult problems. 10 years experience in application design, development, implementation and maintenance of one or more of the following large scale Enterprise Resource Planning systems: Oracle Cloud FSCM and HCM, Oracle EBS/EPM (Hyperion, etc.) Applications, PeopleSoft, or Workday.

New!

Redmond, WA3 days ago

Full-time
Employee

The ideal candidate will have strong experience in building AI-native tooling, agentic workflows, developer surfaces, and validation infrastructure and a proven ability to design, ship, and iterate production-grade systems that replace manual processes and accelerate delivery. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.

Seattle, WA30+ days ago

Intern
Full-time

Today, we are helping companies take on some of the world's most critical and complex issues, including retirement funding and healthcare financing, risk management and regulatory compliance, data analytics and business transformation. The Milliman Transparent product team at Seattle Health is a cross functional group of engineers, data scientists, actuaries, and designers focused on building trustworthy, user centered health tech.

Seattle, WA30+ days ago

Full-time
Employee

The ideal candidate will have experience building scalable web applications, implementing microservices architecture, and deploying solutions on cloud platforms. * Develop responsive and interactive user interfaces using HTML5, CSS3, JavaScript, and modern frameworks like React.js and Angular.

Seattle, WA25 days ago

Full-time
Employee

Architects, engineers, tests, and releases highly scalable and maintainable, AI?enhanced, end?to?end software solutions, combining custom services/APIs with tools such as Microsoft Power Apps, Power Automate, and Azure AI services. Partners closely with business stakeholders to understand guest and employee journeys, map processes, identify automation opportunities, and design AI?powered solutions that drive measurable operational and guest?experience impact.

Bellevue, WA24 days ago

$149,240–$159,930 Per Year
Full-time
Employee

Prior experience, internship or academic coursework to include each of the following: o Java and open-source frameworks building RESTful services; o Creating and maintaining micro-services and tools and lifecycle of micro-services development; o Storing and retrieving data using SQL; o Event Processing using Kafka; o Logging, auditing and metrics using ElasticSearch, Kibana or Splunk and related DevOps responsibilities; o AWS architecture; o DevOps relating to code build or deployment using Kubernetes, Docker and infrastructure using AWS; o Troubleshooting and debugging; and. · Bachelor’s degree or foreign equivalent in Computer Science, Mathematics, Engineering, or a related field of study and two (2) years ofexperience in the job offered or related occupation.

Bellevue, WA17 days ago

$149,240–$159,930 Per Year
Full-time
Employee

Seattle, WA27 days ago

Full-time
Employee

5 or more years of application design, development, implementation and/or maintenance of one or more of the following large scale Enterprise Resource Planning systems - Oracle Cloudsuite FSCM and HCM, Oracle EBS/EPM (Hyperion, etc.) Applications, PeopleSoft, Workday. Providence Shared Services is a service line within Providence that provides a variety of functional and system support services for our family of organizations across Alaska, California, Montana, New Mexico, Oregon, Texas and Washington.

Seattle, WA7 days ago

Full-time
Employee

Job Title: Full Stack DeveloperLocation: Seattle, WADuration: 11 Months ContractOverviewDescribe the project/day-to-day activities they will be working on: Software development activities for web application, primarily with refactor for frond end conversion Angular to React as part of a multi-application unification project. Preferred Qualifications (Desired Skills/Experience): * Experience with Databricks or similar big data platforms.

Bellevue, WA30+ days ago

$180,710–$180,710 Per Year
Full-time
Employee

Engineering, Electrical and/or Electronics Engineering, Engineering (any) or related field plus two years of work experience in any position/title providing experience with SQL. Position Requirements: Bachelor's degree or a foreign equivalent degree in Computer Science, Information Technology, Information Systems, Computer Applications, Mechanical.

Seattle, WA26 days ago

$243,400–$304,000 Per Year
Full-time
Employee

In close collaboration with our world-class engineering team-and through a deep understanding of the software development life cycle-we systematically identify opportunities to improve how engineers build, test, and release high-quality features to TTD's customers. Provide leadership on deeply technical initiatives in a complex, fast-paced environment, including projects that span developer tooling, data infrastructure, and enterprise systems.

New!

Mercer Island, WA6 days ago

Full-time
Employee

Responsible for all stages of requirements gathering, delivery, and support of solutions that meet business needs leveraging Azure (Storage, Web Sites, Service Bus, Functions, Logic Apps, etc.), Microsoft 365 Collaboration suite (SharePoint, Groups, Power Platform, etc.), and other platforms and technologies. * Plays central role in leveraging Logicalis platforms including Microsoft Office 365 and Azure, partnering with business users providing guidance and support in implementing solutions.

Bellevue, WA27 days ago

$82,000–$123,000 Per Year
Full-time
Employee

Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty.

Seattle, WA30+ days ago

Full-time
Employee

Drive delivery in a fast-paced, outcome-accountable environment, operating in 2-to-6-week cycles with direct client feedback; earn client trust, manage risks, surface constraints early, and ensure every deliverable is ready for scale or run in production; champion the use of modern development accelerators such as Claude Code, Lovable, Cursor, and others where policy permits, to increase capacity of delivery, increase quality, and deliver faster. Excellent problem-solving, collaboration, and communication skills with the ability to thrive in ambiguous environments; this includes the presence to lead working sessions and drive decisions with impatient executives and skeptical engineers, a hands-on, accountable style that earns trust by "coaching while building", and the ability to communicate clearly and effectively to diverse audiences (CIO, CISO, CFO, engineers).

Seattle, WA29 days ago

$210,000–$490,000 Per Year
Full-time
Employee

For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. Work closely with various teams within OpenAI to understand their workflows, challenges, and needs, and ensure the tools and systems built by the Engineering Acceleration team address these requirements.

Seattle, WA21 days ago

Full-time
Employee

As a developer on our team, you will solve unique and complex problems at a rapid pace, utilizing the latest technologies to create solutions that are highly scalable. They are comfortable with ambiguity, able to think big (while paying careful attention to detail), and enjoy working in a fast-paced team.

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Developer Jobs in Mercer Island, WA

Jobs

GraphQL / Golang Developer VPinnacle Technical Resources

Entry Level Data Scientist/Analyst/Java full stack developerSynergistic it

iSeries/AS400 DeveloperAxelon

Junior Software Developer /Data Scientist/Engineer - Junior (Remote)SynergisticIT

Junior AI & Machine Learning Engineer/Java/MERN DeveloperSynergisticIT

Full Stack Developer (Python) - Redmond, WADigital Technology Solutions

Data Scientist/Engineer - Junior (Remote)/Software programmer AISynergisticIT

Entry Level Data Scientist/ML/AI Engineer/Java full stack developerSynergistic it

Junior Software DeveloperTecolote Research, Inc.

Sr Software DeveloperBECU

Sr Software Developer Engineer in Test - Accessibility TestingBECU

Sr Software Developer Engineer in Test (SDET)BECU

Mid-Level Software DeveloperTecolote Research, Inc.

Software Developer/AnalystAARIYA TECH Inc

Software DeveloperVueData LLC

Applications Dev & Test - Web Developer 2Bucher & Christian Consulting, Inc. dba BCforward (BCF)

Principal Software DeveloperBECU

Staff Software Developer - AI Innovation TeamBECU

Applications Dev & Test - Web Developer 4 - 3015528Apex Systems, Inc.

Sr Aerospace Front-End Software DeveloperBlue Origin LLC

Full Stack DeveloperColliers Engineering & Design

Lead Full Stack DeveloperColliers Engineering & Design

2026 Software Developer Engineer in Test (SDET) InternBECU

2026 Software Developer InternBECU

Slalom Flex (Project Based)- Sr. .NET Web App DeveloperSlalom LLC

Analyst/DeveloperAARIYA TECH Inc

Staff Software Developer Engineer in Test - Performance EngineeringBECU

Software DeveloperAdroit Technologies & Cloud Solutions Inc.

Sr. Software Developer I (RLT28)Relanto Inc

ServiceNow DeveloperBooz Allen Hamilton INC.

iOS (React Native) DeveloperSpectraforce Technologies Inc.

DSaP DeveloperSanMar

Senior Developer - 452522Concur Technologies, Inc.

Business Applications Developer I (Epicor Kinetic Focus)Sekisui Aerospace

Principal Software DeveloperProvidence St. Joseph Health

Software Engineer III (Agentic AI Developer)Company Confidential

Software Developer Intern (Seattle Health)Milliman, Inc

Java Full Stack DeveloperVolt Management Corp.

AI Solutions DeveloperSpectraforce Technologies Inc.

Developer - 452590Concur Technologies, Inc.

Developer - XXXXXXConcur Technologies, Inc.

Senior Software Developer, Data Warehousing and ETL, HybridProvidence St. Joseph Health

Full Stack DeveloperSpectraforce Technologies Inc.

Software DeveloperCoretek Labs LLC

Director, Product Management - Developer Experience & PlatformThe Trade Desk, Inc.

Senior Solution Developer ITLogicalis, Inc.

Frontend DeveloperUST Global Inc

Technical Developer, Forward Deployed EngineeringKPMG LLP

Software Engineer, Developer ProductivityOpenAI Inc.

Developer IIIAmpcus, Inc

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