Senior Full-Stack Developer
$130k - $170kAristotle
We are seeking a Senior Full-Stack Developer with a strong background in building and architecting complex, data-driven systems. In this role, you’ll design and deliver modern applications, APIs, and services that process large volumes of structured and unstructured data. Experience with AI/ML techniques such as machine learning pipelines, natural language processing, or large-scale text analysis is highlyessentialand will help shape the next generation of our technology. Key Responsibilities Design, develop, and test applications using Microsoft .NET, C#, ASP.NET, MS SQL Server, and front-end frameworks such as Angular or similar. Build and maintain REST-based APIs and services capable of handling scalable, high-throughput data flows. Integrate and deliver code incorporatingemerging technologies, with emphasis on AI/ML frameworks, NLP toolkits, and cloud-based data processing. Implement solutions for ingesting, transforming, and analyzing large bodies of text and data. Contribute to architectural decisions, including microservices and distributed systems design. Create and configure CI/CD pipelines for seamless integration and delivery. Provide production support for applications and services, including legacy environments. Document systems and processes for continuity and scalability. Partner with stakeholders to review requirements and contribute to functional and technical specifications. Mentor teammates, lead code reviews, and introduce best practices in development. Salary Range: $130k-$170k per year Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 7+ years of experience building and maintaining enterprise-grade web applications using modern languages and frameworks (e.g., C#/.NET Core, TypeScript/Node, React) with Azure cloud services preferred. Hands-on experience implementing AI/ML and NLP technologies (e.g., classification, clustering, summarization) in production applications, with familiarity in model training, back-testing, regression testing, and monitoring. Strong knowledge of database design, query optimization, and building scalable APIs and services. Strong UI/UX and workflow management skills. Proficiency in front-end frameworks such as Angular (or comparable). Understanding of scalability and performance best practices, including rate-limiting, caching, distributed systems, and automated testing frameworks. Excellent problem-solving and communication skills, with the ability to translate complex technical solutions into clear business value. All positions are Full-Time, with competitive compensation, medical benefits, paid vacation, 401k plan and stock options. Casual dress code and a non-corporate atmosphere make this a fun place to work and learn in a team environment. Please visit our website at #J-18808-Ljbffr Aristotle
$85 - $90 per hour
...Seattle, WA (#LI-Onsite) Pay Range: $85.00 - $90.00 Per hour on W2 Job Summary Our client is seeking a seasoned Senior Full-Stack Software Engineer to develop internal tools for sales teams and operations. This role involves significant coding and testing to build...SeniorHourly payContract work$145k - $210k
About ALSO. We're ALSO, an electric mobility company originally conceived as a part of Rivian. We're a passionate team of builders, dreamers, doers and innovators, focused on creating entirely new (not to mention, innovative and delightful) vertically integrated, ...SeniorLocal areaFlexible hours- ...Overview MG2, an affiliate of Colliers Engineering & Design, is currently looking for a Senior Full Stack Developer to join our Technology team in Seattle, WA in a hybrid work arrangement. The Senior Full Stack Developer is a senior technical contributor and emerging...SeniorTemporary workSummer workLocal area
- An established brand in apparel is seeking a Full Stack Developer in the Greater Seattle Area. The role involves building and maintaining web features and REST APIs while collaborating with engineers. Candidates should have strong expertise in Node.js and React, a solid...Senior
- A technology company is seeking an experienced Sr .NET Full Stack Developer with strong expertise in Content Management Systems (CMS) to support enterprise-grade web applications for a Microsoft client. Your role will involve designing, developing, and maintaining applications...SeniorRemote job
$70 - $75 per hour
A leading aerospace company is seeking a Senior Full Stack Developer in Seattle to support their Performance Training Analytics application team. This is a contract role focusing on refactoring applications from Angular to React, developing backend services, and collaborating...SeniorHourly payContract work$86.5k - $142.7k
...working world. Job Summary As a Senior Consultant within EY’s Digital Engineering... ..., you will design and build scalable full-stack applications for Media & Entertainment platforms... .... Key Responsibilities Develop backend services using Java (Spring Boot...SeniorSummer holidayFlexible hours$80 - $90 per hour
...#LP Job Summary: This role is for a Senior Software Development Engineer IV to... ...Sales Support. The position requires strong full-stack development skills to create lightweight... ...applications. Key Responsibilities: Develop and test internal tools for sales teams...SeniorHourly payContract work- A leading property technology startup in Seattle is seeking a Senior Software Engineer to lead the development of their core product experiences. In this role, you'll build and evolve high-impact features while collaborating with product, design, and engineering teams....Senior
$190k - $240k
A leading financial technology company is seeking a Software Engineer in Seattle to own and drive quarterly goals, lead a team through technical challenges, and collaborate with product management. Ideal candidates have 4+ years of experience, proficiency in mobile initiatives...SeniorRemote job- A forward-thinking technology company is seeking a Senior Full Stack Engineer to own end-to-end user interface development. You will work remotely while collaborating with a dedicated team and have significant autonomy. The ideal candidate has over 5 years of experience...SeniorRemote job
- A dynamic tech company based in the United States is seeking a Senior Full Stack Engineer (Frontend Leaning) to develop polished, efficient user interfaces. The role involves owning features from planning to launch while collaborating closely with design and backend teams...SeniorRemote job
- A global technology company based in Bellevue, WA is seeking an experienced Full Stack Developer. You will contribute to the design and deployment of scalable web applications, working closely with cross-functional teams. Ideal candidates should have over 5 years in web...SeniorHourly payContract work
- Brex is seeking a skilled engineer for its Seattle office to develop customer-facing financial software. This hybrid role requires at... ...remote work. Candidates should have 7+ years of experience in full-stack application development. The ideal engineer will collaborate...SeniorRemote jobWork at office
- ...Senior Fullstack Engineer Launched in 2025, Spangle AI is the agentic conversion layer connecting AI-led discovery to real-time conversion... ...-grade customization and performance. Frontend Engineering: Develop high-performance, scalable, and accessible web applications...Senior
$180k - $280k
Rippling in Seattle, Washington, is looking for a Senior Software Engineer to develop and improve both product backend capabilities and user-facing features. This position requires at least 5 years of experience with Python and Django, as well as familiarity with frontend...Senior- An innovative AI company is seeking a Senior Full Stack Software Engineer in Seattle to help deliver client projects and enhance their platform. The role requires expertise in TypeScript and Python, along with a strong foundation in full-stack development. This company...SeniorRemote job
- A leading technology company in Seattle is seeking an innovative full-stack engineer for its App Store Internal Tools team. You will be responsible for developing both frontend and backend systems, with a focus on Java and TypeScript/React. The role requires at least 8...Senior
$150k - $245k
...cloud data platform, FruitScope, that we've developed from the ground up to help farmers manage... ...receive generous equity compensation Full-time role at our San Francisco, CA office... ...comfortable working on all parts of the stack. Bonus Points: Prior experience...SeniorFull timeWork at officeFlexible hoursWeekend work$159k - $278.25k
Rippling is seeking a Senior Software Engineer for its Seattle office. The role involves building innovative HR product systems, collaborating with cross-functional teams, and ensuring delightful user experiences. Candidates must have 5+ years of experience with React,...SeniorWork at office$160k - $220k
SpaceX is looking for a Sr. Full Stack Software Engineer to build and maintain scalable data pipelines for satellite fleet monitoring. The role requires experience in full-stack software development, including JavaScript/TypeScript for frontend and Python/C# for backend...Senior$141.9k - $190.3k
...global organization of engineers, product developers, designers, technologists, data... ...Hulu, Disney+, ESPN, and others. As a Senior Software Engineer of our team, you will apply... ...compensation package, in addition to the full range of medical, financial, and/or other...SeniorWork experience placementWork at office- ...transformation, information technology and services Position: Senior Full Stack Engineer Location: Bellevue WA Duration: 6 Months... ...(FastAPI/Django) or Node.js for backend services. Develop and maintain RESTful APIs and microservices supporting privacy...SeniorTemporary work
- ...Sr. Full Stack Developer/Architect Comtech is a woman-owned small business founded in 1998 and headquartered in Reston, VA. We offer IT solutions across the disciplines of program/project management, applications development, infrastructure, Cyber security, and enterprise...Senior
$180k - $200k
...Senior Or Staff Software Engineer Finvari is a fast-growing SaaS startup transforming the way construction companies handle payments... ...who would be excited to contribute to the front-end and full-stack of our application, to imagine, design and build new features and...SeniorWork at officeRemote workVisa sponsorshipWork visaFlexible hours1 day per week- Job Description A well known brand and apparel company is seeking a Full Stack Developer in the Greater Seattle Area. You will build and maintain web features and the REST APIs that power them. You will partner with frontend and backend engineers to deliver reliable,...Senior
$146k - $204.5k
Expedia, Inc. is seeking a Full Stack Software Development Engineer III in Seattle. You will work on enhancing Expedia Group’s advertising platform by building scalable systems and intelligent ad experiences. Key responsibilities include designing robust applications,...Senior- ...ultimate career opportunity that will light a fire within you. Senior Software Engineer Seattle, Washington At NiCE, we don't... ...maintain the status quo. We're building a small, elite team of full-stack engineers who use AI-assisted development not as a novelty, but...Senior
$152k - $230k
Serko Ltd. is seeking a Senior Full Stack Engineer in Seattle, WA, to lead the development of next-generation AI products. You'll collaborate with designers, product managers, and engineers to craft high-performance APIs and advanced user experiences. This role requires...Senior$130k - $180k
A leading space technology firm in Bellevue, WA seeks a Senior Full Stack Developer to design and develop scalable data infrastructure for satellite operations. Candidates must have a Bachelor's in a relevant field, at least 5 years of software development experience, and...Senior
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