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10 senior software engineer jobs found in Seattle, WA

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SF
Senior software engineer
Social Finance Inc. Seattle, WA
Galileo Financial Technologies, LLC seeks Senior Software Engineer in Seattle, WA: Job Duties: Lead the development and testing of our systems and services. Participate in shaping the technical architecture of the product. Help translate product requirements into user stories and technical solutions. Deliver highly available and scalable services in a production environment. Mentor other engineers, support the technical culture, and help grow the team. Generate ideas for new initiatives and technologies. Communicate with project leads, product managers and other software developers. Part-time telecommuting is an option. Hybrid work from Galileo offices in WA. Minimum Requirements: Master's degree (or its foreign degree equivalent) in Computer Science, Engineering (any field), or a related quantitative discipline, and three (3) years of experience in the job offered or in any occupation in related field. Special Skill Requirements: (1) Java; (2) Kotlin; (3) Spring; (4)...

Apr 21, 2026
SF
Senior software engineer
Social Finance Inc. Seattle, WA
Social Finance, LLC seeks Senior Software Engineer in Seattle, WA: [Job Duties]{.underline}: Use different object-oriented programming languages to build performant and scalable backend applications in a cloud-based microservice architecture. Participate in shaping the technical architecture of the product. Help translate product requirements into user stories and technical solutions. Deliver highly available and scalable services in a production environment. Generate ideas for new initiatives and technologies. Design APIs and Microservices using Java and Kotlin to support lending business logics. Come up with solutions to increase the efficiency and security of cloud systems utilizing AWS. Implement database schemas for storing and distributing data. Part-time telecommuting is an option. Hybrid work from SoFi offices in Seattle, WA. [Minimum Requirements]{.underline}: Master's degree (or its foreign degree equivalent) in Computer Science, Engineering (any field), or a...

Apr 04, 2026
FS
Senior software engineer
Financial Services Bellevue, WA
Robinhood Markets, Inc has positions available for Senior Software Engineer in Bellevue, WA. Design and optimize large-scale systems within the team, making the right trade-offs for risk and long-term maintainability. Set up and drive technical directions of the project while mentoring and upleveling junior engineers on the team. Supporting core backend systems for Capacity Engineering and Analysis and other teams within Infrastructure Engineering. Partner functionally with almost every engineering team at Robinhood to ensure teams are set up for success in regard to their AWS costs. Design, build, and maintain automated systems that identify efficiency improvements and cost savings opportunities across Robinhood's cloud computing footprint. Perform investigations related to cost increases, efficiency regressions, or any other technical issues related to increased cloud spending. Continuously improve the team's data pipelines that power cloud spending data visibility....

Apr 11, 2026
TI
Senior software engineer multiple
Tiktok Inc. Bellevue, WA
Responsibilities Design and develop large-scale software platforms, systems, and services. Troubleshoot, debug, maintain, and upgrade backend services or systems. Gather user requirements and write code in various programming languages. Participate in full software development life cycle from preliminary system analysis to tests and deployment. Integrate software components into a fully functional software system. Develop operational tools to automate general operation process. Document and maintain software functionality. Collaborate with product managers to design and implement new application features. Mentor junior software engineers and interns. Qualifications Must have a Master's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Systems, Data Analytics, Mathematics, Physics, or a related field, and 2 years of related work experience; OR a Bachelor's degree or foreign equivalent degree in Computer Science,...

Apr 15, 2026
AI
Full time
 
Senior software engineer
Anduril Industries Seattle, WA
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 control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. ABOUT THE TEAM The Simulation Integrations team owns the integration of Simulation products into the Lattice ecosystem. We're the bridge between Anduril's high-fidelity simulation engine and the production services that power Lattice, enabling simulated...

May 01, 2026
De
Senior software engineer
Demandbase Seattle, WA
[Design and implement scalable backend systems, focusing on performance, resilience, and maintainability. Build and optimize data pipelines using Apache Spark and SQL to efficiently process large volumes of data. Collaborate with data scientists to develop, refine, and deploy machine learning models in production environments. Apply mathematical concepts such as statistical analysis, linear algebra, and optimization techniques to design algorithms, enhance data models, and evaluate system performance. Work across multiple languages, including Scala, Python, and Java, to implement data-centric and AI-driven features. Partner with cross-functional teams, including product managers and data scientists, to build innovative and impactful software solutions. Participate in system architecture design, code reviews, mentoring, and continuous improvement of engineering practices.]{times="" new="" roman",="" times,="" serif;="" font-size:="" 10pt"=""} [ ]{times="" new="" roman",=""...

Apr 06, 2026
LT
Principal engineer data science machine learning
Leapfrog Technology, Inc Seattle, WA
Employer: Leapfrog Technology Inc Job Location: Seattle, WA Job Title: Principal Engineer, Data Science & Machine Learning Pay Range: $156,138.00 to $161,138.00 per year Job Type: Full Time Travel: up to 10% to client sites International Travel: up to 5% to Nepal and/or India Job Duties: I. Solidify and scale the Leapfrog Data Science and Engineering Culture and Practice: Lead definition and implementation of data, data science, and machine learning competency definitions at every level, and align with recruiting initiatives. Manage the development lifecycle for data-centric projects using data to drive continuous improvements, with a strong focus on meeting the team's commitments given evolving business priorities and market/customer needs. lead the development of data-driven solutions, products and proofs of concept to acquire new business opportunities Drive ongoing improvement in functional excellence and best practices...

Apr 19, 2026
CG
Staff software engineer
Coupang Global LLC Seattle, WA
[Coupang Global LLC. Seattle, WA. Sr Staff Software Engineer. Develop a team of talented engineers. Acquire a deep understanding of all aspects of the tech stack to drive eCommerce Engineering wide engineering practices. Apply Engineering and Operational Excellence. Work closely with a group of engineers in multiple geographic location to solve problems at scale. Analyze all aspects of the tech stack required to drive eCommerce engineering practices. Design, build, and operate large-scale, complete production systems. Influence and set technical direction. Work with application programming interfaces (APIs) and systems design. May telecommute 50% of the time.]{segoe="" ui",="" tahoma,="" sans-serif"=""} [Requirements: Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or related field (will accept foreign education equivalent) and 8 years of experience in the job offered or a related occupation designing, building and operating...

Apr 06, 2026
Blue Origin
Full time
 
Principal software architect
Blue Origin Seattle, WA
Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We’re working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of the Blue Origin Engines business unit, where our focus is the design, development, manufacturing, and testing of engines and propulsion systems. Built for multiple uses, our family of engines is powering the next generation of rockets for commercial, civil, national security, and human spaceflight. Join our passionate and accomplished team of experts. You will support the Blue Engines business unit by delivering top-notch rocket engines. You'll develop software and AI driven solutions that support our program delivery and...

Apr 03, 2026
Gesa Credit Union
Full time
 
Software developer test
Gesa Credit Union Lynnwood, WA
Take a leap and join our team! At Gesa, we believe in the power of our people. Coming from all walks of life, our team members’ individual stories and unique experiences are our most valuable asset. But it’s how we come together, igniting our collective compassion and commitment to empowering our communities, that makes us succeed. Because we know we go further when we go together. Here you can join a team who is passionate about serving others, has a desire to do good, and shares a deep love of people. You can engage in meaningful work that impacts your community. You can challenge yourself and grow in your career. And, you can rest assured that your wellbeing and prosperity are our priority. Get to know us: About - Gesa Credit Union Role Summary: The Software Developer in Test (SDET) II is responsible for contributing to and improving the quality assurance process at Gesa Credit Union by designing, building, and maintaining automated tests and performing...

Apr 16, 2026
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