Mid-Level Software Developer Jobs in Seattle, WA

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Lead/Senior Application Developer

eSystems, Inc.

Remote

Contract, Third Party

Role : Lead/Senior Application Developer Client : eSystems Inc. Experience : 7+ Years Work Type : Remote Duration : 12 Months(Extendable) Payrate : Depends on Experience eSystems Inc. is a fast-growing Systems Integrator based in Princeton, New Jersey. We provide strategic IT solutions and services with primary practice areas in Java and Microsoft centric e-Business solutions, ERP solutions, Enterprise Application Integration, Data Warehousing and Business Intelligence solutions. Our clients in

Lead Java Engineer

EPAM Systems

Remote

Full-time

We are looking for a Lead Java Engineer to join our dynamic team. In this role, you'll focus on enhancing the product offering by improving the user experience and building the necessary capacity to support and advance platform solutions and infrastructure. If you're passionate about working with cutting-edge technologies and driving innovation, this is your chance to make a significant impact. This position offers remote setup with the flexibility to work from any location in Georgia, whether i

Senior Java Developer with Azure

EPAM Systems

Remote

Full-time

This position available for Candidates who are willing to relocate to Poland. Our client is one of the largest investment banks in the world. We're looking for Senior Engineer to help us build and deliver an enterprise digital Client due diligence platform including Initial Due Diligence (KYC/AML) and Period due diligence (PKR) platforms. RESPONSIBILITIESContribute to software development and methodologies, ensuring engineering excellence in all aspects of the workCollaborate with the digital

Senior Machine Learning Engineer

Allstate Insurance Company

Illinois, USA

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description Join Allstate Technology Solutions, a pioneering force com

Performance Engineer

APEX IT Services

Remote

Contract

Job Title: Senior Performance Engineer Project Duration: Long-term W2-Contract Duration: Long-term Remote Job Description: Architectural: Directed performance testing and service virtualization for key initiatives, including Dotcom Vision, Customer 360, CCS, and Mosaic (MTX, ACODS, Integration Services).Service Virtualization: Designed and implemented virtualization stubs for WAPI, AIS, and DB2,accurately simulating production environments to streamline testing processes.Performance Testing Ma

Senior Oracle Engineer | only W2

TekDallas

Remote

Contract

Position: Senior Oracle Engineer Location: 100% Remote (EST time zone) Contract Duration: Long Term Contract Qualifications: 8+ years of overall software development / engineering experience. Not looking for Oracle DBA s5+ years of hands-on experience implementing transactional/ operational and data warehouse applications5+ years of database design & development experience involving Oracle, or similar relational database technology3+ years of experience with developing UNIX/LINUX based scriptsEx

L2/L3 Network Engineer

APN Software Services, Inc

Seattle, Washington, USA

Contract

Job Title - Network Engineer Location: 100% onsite everyday in Seattle, WA. Duration: 6 months Note: Seattle location has a parking fee of $20-30 a day. A monthly pass is available that is a little cheaper. Oracle will NOT reimburse for parking. We are looking for experienced Network Developers interested in designing, implementing, and automating our RDMA fabrics to support our GPU business. We're looking for innovative thinkers who enjoy tackling new and exciting challenges. Description Sup

Senior IAM Engineer

K2 Partnering Solutions, Inc.

Remote

Contract

Our Client seeks a Senior IAM Engineer to fulfill a 6+ Months Contract position in Remote. This position calls for a seasoned professional with a robust background in security policy, risk management, and access control disciplines. The ideal candidate will possess a profound understanding of Identity and Access Management (IAM) concepts and demonstrate the ability to collaborate effectively with cross-functional teams. You will be entrusted with identifying and implementing solutions to enhanc

Sr. Dynamics 365 Developer (Remote)

Kellton

Remote

Contract

W-2 only, No C2C for this pleaseThis is a Contract to hire role for a direct client and will convert to fulltime in 6 months ,Primary Responsibilities: This position will be supporting a team focused on unattended retail solutions for clients and consumers across the US. The role will be responsible for working closely with the Solutions Architect on architecture and senior development decisions of Canteen s Dynamics 365 CRM and Field Services application (internally branded as Smart Tech).A Dyn

Senior ServiceNowDeveloper- W2

Infinity Tech Group Inc

Remote or San Jose, California, USA

Contract

Job Details: We are seeking an experienced Senior ServiceNow Software Engineer to join our team and take a leadership role in the design, development, and optimization of our ServiceNow platform. This position requires deep expertise in the ServiceNow ecosystem, including configuration, development, and integration work, along with a strong ability to mentor junior engineers and collaborate with cross-functional teams to deliver business solutions. Key Responsibilities Platform Leadership: Serve

Senior ServiceNow SecOps Engineer

HCM Staffing and Consulting

Remote

Contract

Job Summary: The Senior ServiceNow SecOps Engineer is responsible for leading the design, implementation, and maintenance of the Security Operations (SecOps) module within the ServiceNow platform. This role requires a deep understanding of security operations and ServiceNow capabilities to enhance and optimize security processes, incident response, and threat intelligence. Required Qualifications: Experience: 8+ years of experience in IT security operations and hands-on experience with ServiceNo

Senior Applied ML Engineer - Security for AI

Microsoft Corporation

Redmond, Washington, USA

Full-time

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry i

Senior Graphics Engineer - NBA 2K

2K

Remote or Novato, California, USA

Full-time

At Visual Concepts, we believe great games are made by diverse and empowered teams with a shared passion for play. As one of the world's top game development studios, we have shipped over 100 multi-sku titles to critical acclaim and commercial success. Our teams are independent and entrepreneurial. Our studios in Novato, Irvine, Budapest, Shanghai, Austin, Boise, Seoul, and Parksville, Canada are committed to artistry and technical innovation, offering top candidates the opportunity to learn and

Full Stack Java Developer

Yom Solutions LLC

Remote

Contract

Job Title: Full Stack Java Developer Location: Remote Duration: 12 Months Job Description: We are looking for an experienced Full Stack Developer with strong expertise in React.js, Micro Frontend architecture, and modern cloud-native technologies, especially within the AWS ecosystem. This role requires a hands-on engineer who can design, build, and maintain scalable, resilient, and modular web applications using a mix of frontend and backend technologies including Node.js or TypeScript, Python o

(Python Based) Lead Research Engineer

Thomson Reuters U.S. Inc.

Remote or Eagan, Minnesota, USA

Full-time

Lead Research Engineer Do you love creating innovative solutions for customers? We are seeking a passionate Lead Research Engineer who will bring expertise in AI and ML and is interested in building data-driven capabilities that drive transformation. As a member of Thomson Reuters Labs you will have a direct impact on our company by helping to create new and innovative capabilities that will delight our customers. What does Thomson Reuters Labs do? We experiment, we build, we deliver. We suppor

Senior Snowflake Developer

Fint Solutions Inc

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

AWS Engineer

Axiom Global Technologies, Inc.

Remote

Contract

We're looking for a talented and experienced Senior AWS Engineer to join our team. In this role, you'll be instrumental in designing, developing, and implementing robust and scalable backend solutions, with a strong focus on data processing, API development, and AWS cloud infrastructure. If you're passionate about building high-performance systems and have a solid understanding of modern cloud architectures, we encourage you to apply! Key Responsibilities: Design and develop data-driven solutio

.Net Developer ( Senior Developer) / Durham, NC(Remote)- 6 Months Contract

Suncap Technology

Remote or Durham, North Carolina, USA

Contract

Need Sr .NET Developer Durham, NC (REMOTE) 6 Months Contract Interview Process: 1 st round : .NET ( 30 Min) & Oracle Pl/SQL (30 Min) test with Vendor 2 nd round : 30 min video Technical round with vendor team for Java NEED 15 + yrs Total IT experience with .Net and Oracle Need mandatory : .NET : yrs exp Oracle PL/SQL : yrs exp ASP.NET Webforms, .NET C#, Java Script/jQuery - To work on huge enterprise ASP.NET websites & many .NET backend systems - Very strong ASP.NET UI development experienc

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

Senior Logistics Engineer

SAIC

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