Mid-Level Software Developer Jobs in Seattle, WA

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121 - 140 of 1,976 Jobs

Sr. Software Engineer, Beam Planning (Starlink)

SpaceX

•

Redmond, Washington, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. SOFTWARE ENGINEER, BEAM PLANNING (STARLINK) At SpaceX we're leveraging our experience in building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlink is the wor
Posted 60+ days ago | Updated 6 hours ago

Senior Engineer - Pricing - Hybrid - Seattle

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description Nordstrom Technology is looking for a Senior Software Engineer to join the Pricing organization, a team focused on modernizing how Nordstrom and Nordstrom Rack manage pricing decisions. This is a high-impact role that offers the opportunity to shape core pricing capabilities-specifically promotions and clearance pricing-through automation and intelligent rule-based systems. You'll be part of a fast-paced, collaborative team working on some of the most critical business processe
Posted 17 days ago | Updated 6 hours ago

Senior Software Engineer - Streaming Infrastructure

Rippling

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Seattle, Washington, USA

Full-time

About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even
Posted 54 days ago | Updated 6 hours ago

Senior Software Engineer - Frontend (CoreAI)

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Join the team building the future of artificial intelligence (AI) at Microsoft. Are you passionate about building the next generation of agentic AI experiences? The Azure AI Foundry within Microsoft CoreAI is on a mission to empower enterprises to design, deploy, and scale cutting-edge Generative AI (GenAI) systems and intelligent agents. We're looking for a Senior Software Engineer to join our AI Foundry Portal team , where we're creating intuitive and powerful agent-building experienc
Posted 48 days ago | Updated 6 hours ago

Senior Software Engineer - Rust

Disney Entertainment and ESPN Product & Technology

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Seattle, Washington, USA

Full-time

Disney Entertainment & ESPN Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more - all working to build and advance the technological backbone for Disney's media business globally. The team marries technology with creativity to build world-class products, enhance storytelling, and drive velocity, innovation, an
Posted 1 day ago | Updated 1 day ago

Senior Data Engineer with Data Science (AWS) (AI)

Intellect Quest LLC

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Seattle, Washington, USA

Contract, Third Party

Position: Senior Data Engineer with Data Science Location: North America (Seattle) Purpose of the Position: Senior Data Engineer to help design and implement cloud services for their Data Science platform, ensuring a streamlined experience for data scientists and engineers. This position demands technical expertise, and hands-on leadership to drive innovation in enterprise-scale data infrastructure. Collaboration with Applied Scientists, Knowledge Engineers within the Data Governance Team, and
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Posted 15 days ago

Full Stack .NET Developer

Oscar Technology

•

Remote

Full-time

Position: .NET Developer - Real-Time Systems | Up to $135,000 | On-Site - Dallas, TX The Role: We're looking for an experienced .NET Developer to join our client's on-site engineering team in Dallas/Irving, TX. In this role, you'll design, develop, and maintain high-performance applications focused on real-time data processing and control systems. Leveraging technologies such as .NET Core, C#, Blazor, Azure, and SQL, you'll collaborate closely with engineers and product teams to build scalable
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Posted 23 hours ago | Updated 3 hours ago

Senior Software Engineer - Platform Security

Aduril Industries

•

Seattle, Washington, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 51 days ago | Updated 6 hours ago

Senior Engineer I - Billing

DigitalOcean

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Seattle, Washington, USA

Full-time

We are looking for a Senior Engineer I who is passionate about building scalable, intuitive, and reliable billing solutions. As a Senior Engineer I on the Billing Engineering Team at DigitalOcean, you will join a dynamic team dedicated to revolutionizing cloud computing and delivering a seamless, trustworthy billing experience to our customers. You'll report to the Engineering Manager of Billing Engineering and work closely with teams across Finance, Product, and Engineering to ensure that our b
Posted 9 days ago | Updated 6 hours ago

Senior Software Engineer - Microsoft Teams Core Services

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Are you interested in working for one of the most exciting teams at Microsoft? Then look no further than Microsoft Teams Core Services team. As a Senior Software Engineer, you will be building secure, resilient, highly available, highly scalable services and systems that leverage state-of-the-art technologies to deliver the next gen collaboration and teamwork experiences. The Core Services team is responsible for the foundational services of Microsoft Teams serving billions of calls per day to
Posted 4 days ago | Updated 6 hours ago

Senior Software Engineer, Ads ML Infrastructure

TikTok

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Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A42958 Apply to this job Share this listing: Responsibilities The ads system at TikTok operates on a massive scale and serves millions of advertisers, clients and influencers across the world. The quality of the ads system highly depends on the ability to handle massive data, and machine learning is widely used to improve the quality of our ads. The Ads machine learning data platform team is responsible for building highly efficient
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer

Visa Inc.

•

Bellevue, Washington, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 54 days ago | Updated 6 hours ago

Senior Software Engineer, RAIL

Aduril Industries

•

Seattle, Washington, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 4 days ago | Updated 6 hours ago

Senior Software Engineer (Back-End)

Jobot

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Seattle, Washington, USA

Full-time

Well-Funded AI Startup. Fully Remote, Complex Problems, Very Stable, Meaningful Equity! This Jobot Job is hosted by: Grant Greenhalgh Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $170,000 - $200,000 per year A bit about us: We are pioneering cutting-edge AI/ML solutions that transform how large, complex datasets are consumed, interpreted, and utilized. If you are passionate about innovation, thrive in a dynamic environment, and are eager
Posted 22 hours ago | Updated 3 hours ago

Senior Designer Front-End / Developer - Remote / Telecommute

Cynet Systems

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Remote or Dallas, Texas, USA

Contract

Job Description: We are seeking a skilled Senior Frontend Engineer to take ownership of frontend build infrastructure, develop shared component libraries, and optimize complex web applications. The ideal candidate will have extensive experience in React, TypeScript, and UI/UX design, with the ability to collaborate cross-functionally to improve the performance, usability, and scalability of web applications. Key Responsibilities: Frontend Build Infrastructure: Own and maintain the frontend bu
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Posted 4 days ago | Updated moments ago

Senior React Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

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Remote

Contract, Third Party

Position Senior React Developer (10+ Years Experience)Location RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly skilled Senior React Developer with over 10 years of experience in frontend development. The ideal candidate will have deep expertise in JavaScript, React.js, TypeScript, and modern UI/UX principles. You ll be responsible for leading frontend architecture, mentoring developers, collaborating with cross-functional teams, and delivering high-performance, scal
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Posted 47 days ago | Updated 15 hours ago

Senior Software Engineer (Back-End)

Jobot

•

Seattle, Washington, USA

Full-time

Well-Funded AI Startup. Fully Remote, Complex Problems, Very Stable, Meaningful Equity! This Jobot Job is hosted by: Grant Greenhalgh Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $170,000 - $200,000 per year A bit about us: We are pioneering cutting-edge AI/ML solutions that transform how large, complex datasets are consumed, interpreted, and utilized. If you are passionate about innovation, thrive in a dynamic environment, and are eager
Posted 2 days ago | Updated 3 hours ago

Senior Software Engineer

ACL Digital

•

Bellevue, Washington, USA

Full-time

The Role: You will develop, integrate, debug and maintain the Wireless Network Optimization solutions. rchitect, develop, and deploy the next-generation Cloud-Native RAN automation and optimization solutions. Participate in definition of architecture and implementation of RAN Optimization algorithms (Heuristics & ML) Perform Functional and Performance analysis on production-deployed algorithms. Qualification: 5 or more years of working experience in wireless operator's network or wireless soluti
Posted 60+ days ago | Updated 6 hours ago

Senior Staff Software Engineer

GE Healthcare

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Bellevue, Washington, USA

Full-time

Job Description Summary As Senior Staff Software Engineer, you'll work closely with architects and technical product managers to translate overall system architecture and product requirements into well-designed and implemented software components. You'll take ownership of the implementation of individual software components, with high emphasis on quality, test-driven development, and sound software engineering practices - using software engineering best practices to ensure a high standard of qua
Posted 41 days ago | Updated 6 hours ago

Senior Engineer II (Fleet Virtualization)

DigitalOcean

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Seattle, Washington, USA

Full-time

This role is within the fleet virtualization team. The team's mission is to provide an abstraction layer between underlying hardware and the operating system to provide security, flexibility and efficiency gains which are critical to cloud providers. What You'll Be Doing: Design, develop, test, and implement the IT systems underlying DigitalOcean's core virtual machine ("Droplet") product.Work with DigitalOcean's Observability teams to collect and analyze metrics regarding DigitalOcean's product
Posted 50 days ago | Updated 6 hours ago