Mid-Level Software Developer Jobs in Seattle, WA

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1,241 - 1,260 of 1,933 Jobs

Sr. International Infrastructure Engineer (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. INTERNATIONAL INFRASTRUCTURE ENGINEER (STARLINK) Starlink is the world's largest satellite constellation and is providing fast, reliable internet to 4M+ users worldwide. We've only begun to scratch the surface of
Posted 60+ days ago | Updated 8 hours ago

Guidewire Developer

iBridge Techsoft LLC

•

Remote

Contract, Third Party

Job Title: Guidewire DeveloperLocation: Remote USAJob Type: [Contract]Domain: Property & Casualty Insurance Job Summary:We are seeking a skilled and experienced Guidewire Developer to join our remote development team supporting key initiatives in the Property & Casualty (P&C) Insurance domain. The ideal candidate will be proficient in one or more Guidewire modules (PolicyCenter, BillingCenter, or ClaimCenter) and possess strong hands-on experience with GOSU, Guidewire Studio, and integrations. K
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Posted 25 days ago | Updated 6 days ago

Senior Snowflake Developer

Fint Solutions Inc

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Remote

Contract

10+ years of experience is required Data warehousing solutions on Oracle, Teradata, DB2 etc.Snowflake internals and integration with other data processing technologiesCreation of data ingestion pipelines with tools like Informatica, Talend etc.Cloud computing experience with AWS, Microsoft Azure, Google CloudKnowledge of SQL and complex query writingUnderstanding of data compliance and necessary security protocolsData lakes, data structures and data models suited to Snowflake architectureETL pro
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Posted 15 days ago | Updated 8 days ago

Sr Back End Developer

Confidential Company

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Remote

Contract

We are an award-winning team of very trusted and respected technologists looking for a senior back end developer to join our team for a 100% remote project. Must have deep expertise in back end development and API development, with solid understanding of Python and interested in working doing general app/web dev with Python. This is a contract role, paid hourly c2c, and can be 20 hours per week, 30 hours per week, or 40 hours per week. Sound like a fit? Let's talk!
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Posted 60+ days ago | Updated 29 days ago

Senior Logistics Engineer

SAIC

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Remote

Full-time

Job ID: 2506971 Location: REMOTE WORK, CA, US Date Posted: 2025-06-24 Category: Logistics Subcategory: Logistics Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: Yes Description SAIC is looking for a Senior Logistics Engineer to perform system fault analysis, life cycle maintenance and integrated product support (IPS) of major PMW-160 systems, specifically Automated Digital Networ
Posted 26 days ago | Updated 5 hours ago

Senior Ruby Rails ( ROR) Developer - REMOTE

JSM Consulting

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Remote

Contract

Four year degree in computer science or related field, or equivalent experienceThree-plus years experience with Ruby on RailsAgile software development principles, practice and process experience (from use case definition to component delivery) experience requiredRSpec, git, Capistrano experience preferredAngular, JavaScript, JQuery experience requiredRDBMS (PostgreSQL, Oracle) requiredNoSQL (MongoDB, CouchDB) database experience preferredSOA and Web service development experience preferredExper
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Posted 43 days ago | Updated 13 days ago

Sr. Machine Learning Engineer

General Motors

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Remote

Full-time

Job Description Research, design, develop and test robotic and machine learning applications for an AV company. Duties may include: Contribute to the complete machine learning cycle: data collection, labeling, processing, algorithm design, model training, and evaluation. Formulate problem statements specific to autonomous operations and design innovative solutions to address them. Design novel machine learning models and algorithms, including new deep learning architectures, loss functions, and
Posted 25 days ago | Updated 4 hours ago

Sr. RF/Microwave Engineer (Silicon Engineering)

SpaceX

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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. RF/MICROWAVE ENGINEER (SILICON ENGINEERING) 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 worl
Posted 29 days ago | Updated 8 hours ago

Project Manager

Kforce Technology Staffing

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Remote or North Haven, Connecticut, USA

Full-time

RESPONSIBILITIES: Kforce has a client that is seeking a Project Manager in North Haven, CT. Key Responsibilities: * Serve as technical lead on major bridge design, rehabilitation, and inspection projects * Lead and provide oversight of structural analysis, load ratings, plan production, and specifications * Guide the development and QA/QC of engineering deliverables to meet client and regulatory expectations * Interface directly with DOTs, municipalities, contractors, and other stakeholders * L
Posted 60+ days ago | Updated 1 hour ago

Hybrid Cloud Engineer/Sr. Hybrid Cloud Engineer

Aerospace Corporation

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Remote or Colorado Springs, Colorado, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,
Posted 60+ days ago | Updated 8 hours ago

Senior Kernel Engineer

Request Technology, LLC

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Remote

Full-time

Senior Kernel Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Writes high-quality multithread-safe code in C++ in both kernel-mode and user-modeWorks independently with little to no direction, and demonstrates solid engineering practices (planning, documentation, unit testing, etc.)Has shipped at least one production quality driver for Windows NTStrong knowledge of Win32 APIs and NT kernel internalsDebugs memory c
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Posted 49 days ago | Updated 14 hours ago

Senior Application Development Engineer

Centene Corporation

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North Carolina, USA

Full-time

You could be the one who changes everything for our 28 million members by using technology to improve health outcomes around the world. As a diversified, national organization, Centene's technology professionals have access to competitive benefits including a fresh perspective on workplace flexibility. Position Purpose: Designs, develops, and implements complex enterprise software solutions. Collaborates closely with technical and non-technical roles such as data modelers, architects, business
Posted 60+ days ago | Updated 8 hours ago

Senior Backend Engineer Node.js

Avila IT

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Remote

Full-time

Job Description:We are seeking a Senior Backend Engineer with deep expertise in Node.js to architect, develop, and optimize high-performance backend systems. The ideal candidate has strong experience in building scalable microservices, integrating APIs, and working with modern cloud-based infrastructure. Key Responsibilities: Design, develop, and maintain backend services and RESTful APIs using Node.js and associated frameworks (e.g., Express.js, NestJS). Build scalable microservices for high-th
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Posted 7 days ago

Sr. Liferay Developer

Youngsoft

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Remote

Contract

Youngsoft, Inc. ( is a global software solutions IT company, delivering digital enterprise business betterment since 1996. Through collaborative engagement and discovery with our clients and vendors, we co-create industry specialized digital products, applications software, process, programs, and project outcomes. Headquartered in metro-Detroit, we leverage "pods" of Subject Matter Experts, Business Analysts, Solutions Architects, Software Engineers, and Project Managers, fused with HyperCare th
Posted 42 days ago | Updated 21 days ago

Siebel Engineer Lead Consultant

Allstate Insurance Company

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Texas, USA

Full-time

National General is a part of The Allstate Corporation, which means we have the same innovative drive that keeps us a step ahead of our customers' evolving needs. We offer home, auto and accident and health insurance, as well as other specialty niche insurance products, through a large network of independent insurance agents, as well as directly to consumers. Job Description The Software Engineer Lead Consultant will be responsible for providing Level 2 and Level 3 production support for the Cla
Posted 10 days ago | Updated 8 hours ago

Senior Machine Learning Engineer - TikTok E-commerce Global Supply Chain and Logistics

TikTok

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Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : E2885 Apply to this job Share this listing: Responsibilities The E-commerce Global Supply Chain and Logistics team is dedicated to enhancing clients' shopping experience and reducing logistics operational cost in TikTok E-commerce. We are currently looking for talented software engineers that have a deep understanding of machine learning (ML), operations research (OR), data mining and statistical inference. This position can be fulfi
Posted 60+ days ago | Updated 8 hours ago

Senior Frontend Software Engineer, Global E-Commerce Governance Platform - Seattle

TikTok

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Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : U7032 Apply to this job Share this listing: Responsibilities Global e-commerce is content e-commerce business with international short video product as the carrier. It is committed to becoming the first choice for users to discover and purchase good products with affordable prices. Global e-commerce business team hopes to provide users with more tailored and efficient consumption experience, enabling merchants to receive stable and r
Posted 60+ days ago | Updated 8 hours ago

Senior Systems Engineer, Hypersonic Weapons

Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 8 hours ago

Senior java developer with Spark - VP - TAMPA

Citi

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Remote or Tampa, Florida, USA

Full-time

The Java Applications Developer with Spark is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Lead integration of functions to meet goals, deploy new products, and enhance processesAnalyze complex business processes, system processes, and industry standards to defi
Posted 60+ days ago | Updated 8 hours ago

Senior Salesforce Developer - Team Lead

Amgen Inc

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Remote

Full-time

Career Category Information Systems Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of pat
Posted 60+ days ago | Updated 8 hours ago