Mid-Level Software Developer Jobs in Seattle, WA

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961 - 980 of 2,089 Jobs

Senior Application Architect

Humana Inc

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Remote

Full-time

Become a part of our caring community and help us put health first Join our innovative team as a Senior Application Architect and play a pivotal role in transforming healthcare technology! You'll lead the design and integration of cutting-edge solutions on the Salesforce Health Cloud platform, driving impactful projects that enhance patient care and operational efficiency. If you're passionate about advancing digital health and thrive on architecting scalable, high-impact applications, we want t
Posted 7 days ago | Updated 1 hour ago

Senior Development Engineer - Remote with Travel

Constellation Energy

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Remote or Washington, District of Columbia, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 31 days ago | Updated 1 hour ago

Senior Quantum Engineer - CryoCMOS Analog Circuit Design

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Microsoft Quantum has assembled a talented and diverse international team to create the world's first scalable quantum computing system.Our full-stack approach involves excitinginnovationsfromphysicsonthe quantum plane toprovidingglobal quantum services.The Microsoft Quantum program strives to fundamentally change the world of computingtohelp solve humankind's currently unsolvable problems.We are on thecuspof an accelerated effort in quantum computing. This position offers an opportunity to hav
Posted 36 days ago | Updated 1 hour ago

Senior Software Engineer - V-Force

VAST Data

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Remote or Raleigh, North Carolina, USA

Full-time

Description VAST Data is looking to add a V-Force Developer to our growing team! This is a unique opportunity to join one of the fastest-growing infrastructure companies in history-at the heart of the AI revolution. "VAST's data management vision is the future of the market." - Forbes At VAST, we're building the data platform for the AI era-software infrastructure that powers the capture, refinement, protection, and activation of massive datasets across data center, edge, and cloud. Our plat
Posted 60+ days ago | Updated 2 hours ago

Salesforce Data Conversion Lead

Infinite Solutions Inc.

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Remote

Contract

Infinite Solutions Inc, headquartered at Sacramento, California, focuses on global delivery model to meet the needs of its most valued customers. Infinite Solutions Inc provides services in the areas of IT consulting, development, training and mentoring. Core areas of services include Custom application development; web 2.0 rich internet applications, Mainframe and client server applications, telemedicine, application consulting services. Infinite Solutions Inc. is looking for a qualified indivi
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Posted 12 days ago | Updated 4 days ago

Direct Hire - Senior Machine Learning Engineer - Remote USA

F2ONSITE

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Remote

Full-time

Are you interested in working for a fast-growing, Series C fintech company focused on empowering the next generation with financial tools and education? With over 5.5 million users and $175M+ raised, the company is transforming how Gen Z banks and builds financial literacy.Direct Hire - Senior Machine Learning Engineer - Remote No Third-Party Candidates are eligible for this position as it is a Direct Hire role.Candidates must complete the screening questions for consideration. Thank you.Job Sum
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Posted 12 days ago | Updated 11 days ago

Senior Software Engineer, Frontend (Consumer - New Product Vertical)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 1 hour ago

Senior Red Team Engineer

Adobe Systems

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California, USA

Full-time

Our Company Changing the world through digital experiences is what Adobe's all about. We give everyone-from emerging artists to global brands-everything they need to design and deliver exceptional digital experiences! We're passionate about empowering people to create beautiful and powerful images, videos, and apps, and transform how companies interact with customers across every screen. We're on a mission to hire the very best and are committed to creating exceptional employee experiences wher
Posted 17 days ago | Updated 1 hour ago

Lead Software Engineer, CoCounsel AI Assistant

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Software Engineer, CoCounsel AI Assistant Are you a Full Stack software engineer passionate about building AI-driven products? Would you like to help shape the future of agentic UIs? If that's you, then consider joining the CoCounsel AI Assistant team as a Lead Fullstack Software engineer. You'll be part of a team responsible for pushing forward innovative products for legal and other professionals. About the Role The CoCounsel AI Assistant team is both a platform and a product team. The Le
Posted 42 days ago | Updated 1 hour ago

Sr. TM1 developer

B2B Technology

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Remote

Contract

Our direct client is looking for Sr. TM1 developer. Work can be done remotely (preferred hybrid). FTE is preferred. Qualifications Education: Bachelor s in Finance, Accounting, MIS, Computer Science, Data Science, or related field.Experience:3+ years of TM1 (Planning Analytics) development and support2+ years of budgeting and forecasting experience with increasing levels of responsibility, preferredTechnical Skills:TM1 model building, admin, and optimizationPlanning Analytics Workspace (PAW) and
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Posted 3 hours ago

Senior Engineering Manager, Infrastructure

Calendly

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Remote

Full-time

About the team & opportunity What's so great about working on Calendly's Infrastructure team? We make things possible for our customers through innovation. Why do we need you? Well, we are looking for a Senior Engineer Manager who will bring operational maturity, subject-matter expertise, and a strong drive to make an impact. You will report to the Head of Infrastructure and will be responsible for successful delivery of Infrastructure roadmap objectives, with the goal of providing a self-servi
Posted 60+ days ago | Updated 1 hour ago

Info Security Sr Engineer I (Hybrid)

Principal Financial Group

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Remote or Des Moines, Iowa, USA

Full-time

What You'll Do We're looking for an experienced Security Engineer to join our Information Security and Risk team. In this role, you will focus on our Data Protection Program, helping to design, engineer and implement Data Security and Records Management solutions that protect our company and customer data. Here are few examples of the kinds of things you'll do: This position will work side-by-side Product Management, Architecture, Security Engineers and Analysts passionate about protecting and
Posted 30 days ago | Updated 2 hours ago

Senior Software Engineer, Embedded Linux (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-09 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Collins Aerospace has an exciting opportunity for an experienced Software Engineer. In this
Posted 60+ days ago | Updated 1 hour ago

Senior Principal Engineer, Design Engineering

RTX Corporation

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Everett, Washington, USA

Full-time

Date Posted: 2025-06-13 Country: United States of America Location: UTWA1: WA-Corp 11404 Commando Rd , Everett, WA, 98204 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: B/E Aerospace, Inc. d/b/a Collins Aerospace has an opening for a Senior Principal Engineer, Design Engineering in Everett, WA. Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace tec
Posted 53 days ago | Updated 1 hour ago

Lead Full-Stack Developer- PHP- W2 Remote

Trova Search

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Remote

Full-time

W2 role- please no C2C at this time. Client can NOT offer sponsorship. Job Summary: The Lead Software Developer s role is to design, develop, test, analyze, and maintain software solutions in support of the achievement of business requirements. Direct leadership of both internal and contractor team members will be part of your daily focus. This includes designing, writing, coding, testing, and analyzing new and existing software programs and applications. This position will require working with
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Posted 9 days ago | Updated 9 days ago

Sr Mainframe z/OS Systems Programmer

Dia Software Solutions

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Remote

Contract, Third Party

Hi, Greetings from DIA SOFTWARE SOLUTIONS LLC! We reaching out about an exciting Direct client opportunity with one of our clients. Please review the requirements and let me know if you are interested in this position? Direct client Req:: Need Sr Mainframe z/OS Systems Programmer TX, Remote PLEASE SEND THE RESUMES TO SKUMAR AT DIASOFTWARESOLUTIONS DOT COM ! Job Description: Work involves highly advanced (senior-level) systems administration in support of agency mainframe applications and suppor
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Posted 3 days ago | Updated 2 days ago

Senior Infrastructure Engineer

Dimensional Fund Advisors LP

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Remote or Charlotte, North Carolina, USA

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol
Posted 60+ days ago | Updated 1 hour ago

Distinguished Software Integration Engineer - Autonomous Vehicles

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are looking for an experienced SW Engineer to join Autonomous vehicle SW development for integrating both machine learning and classical trajectory planner within a safety-oriented framework. Do you have solid SW integration and SW architecture fundamentals, and a broader understanding in the behavior planning, trajectory planning, Safety concept and machine learning overall? If so, this may be the role for you. What You'll Be Doing: In this role, you will drive: Various architectural work
Posted 50 days ago | Updated 1 hour ago

Fixed Income Algo Engineering Lead - SVP (Hybrid)

Citi

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Remote or New York, New York, USA

Full-time

Job Purpose: The FI Algo Technology team supports Citi's Internal Market Making, Algorithmic Trading, and internal matching for the US Treasury's algo trading business. We're seeking to hire an experienced software engineer to advance the suite of Rates algo execution platform creating a best in class, next generation product for our clients' franchise. This includes optimizing execution logic and development of new algorithms to minimize market impact. The suite of components including executio
Posted 60+ days ago | Updated 1 hour ago

Pega Development Lead, VP

Citi

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Remote or Irving, Texas, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemically responsi
Posted 60+ days ago | Updated 1 hour ago