java/j2ee senior developer Jobs in seattle, wa

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Senior Software Apps Engineer, iOS-Remote

Generis TEK Inc.

Remote

Contract

We have Contract role Senior Software Apps Engineer, iOS-Remote for our client at New York NY. Please let me know if you or any of your friends would be interested in this position. Position Details: Senior Software Apps Engineer, iOS-Remote-New York NY Location : REMOTE (EST & PST) Project Duration : 12+ Months Contract Pay Rate : $ 95.00 100.00/hr. on W2 Overview of the team: The team is responsible for the infrastructure of the Yahoo Mail iOS mobile application. We establish best practices f

Senior Staff IT Developer

Right Skale, Inc.

Illinois, USA

Third Party

The Staff/Senior Staff IT Developer (Application Security) will design and secure internal applications, conduct security code reviews, perform penetration testing, and collaborate with cross-functional teams in an Agile environment. Key Responsibilities: Design secure, scalable IT solutions focused on performance. Conduct security code reviews for quality and best practices. Identify and remediate vulnerabilities (e.g., XSS, SQLi, CSRF, SSRF). Perform web app penetration testing (manual/automa

Senior : Python Full stack Developer ( React JS , Mongodb )

Bramkas Inc.

Remote

Contract

PSenior : Python Full stack Developer ( React JS , Mongodb ) Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python- backend development , FastAPI , React ,MongoDB , Data EngineeringWe are looking for a skilled Senior : Python Full stack Developer ( React JS , Mongodb )who is comfortable working across the backend, frontend, and data transformation layers. The ideal candidate is someone with strong

Senior Solutions Engineer, Ads

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : M1285A Apply to this job Share this listing: Responsibilities We believe the services and community we've built can not only transform how people are inspired on the platform, but also transform how businesses from different industries, big or small, capture growth opportunities in this new era. TikTok is building out our Solutions Engineering team to help our external clients and partners to thrive on this journey. As a Solutions En

Sr. SOAP API Developer @ Remote Role

Palnar

US

Third Party, Contract

Required Skills, 10+ years of experience with technologies including JAVA, SOAP API, REST, Unit Testing, ORM 5+ years of experience developing and deploying cloud-based applications in Azure 3+ years using front end JavaScript frameworks like Angular or React 3+ years of experience designing RESTful services using Web Api Strong technical knowledge of Azure PaaS, IaaS, and Azure AD Strong understanding of architectural design patterns, concepts, and best practices Strong analytical and problem-s

Software Engineer, Person to Person (P2P) Payments

Block Inc

Seattle, Washington, USA

Full-time

It all started with an idea at Block in 2013. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 50+ million monthly active customers. We want to redefine the world's relationship with money to make it more relatable, instantly available, and universally accessibl

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

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

Senior Python Full Stack Developer (with Data Engineering Expertise )

Bramkas Inc.

Remote

Contract

Python : Full Stack Polyglot Engineer with Data Engineering Expertise Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python , FastAPI , React ,MongoDB , Data Engineering We are looking for a skilled Python Polyglot developer who is comfortable working across the backend, frontend, and datatransformation layers. The ideal candidate is someone with strong hands-on experience in building scalable we

Software Engineer -Capacity, Performance & Efficiency

Snowflake Inc.

Bellevue, Washington, USA

Full-time

Where Data Does More. Join the Snowflake team. Join the CPE (Capacity, Performance & Efficiency) team at Snowflake. We are the stewards of our resources, relentlessly optimizing cost, performance, and scale. The CPE team's charter is to drive margin for Snowflake's products and infrastructure, across AWS, Azure, and Google Cloud Platform. We build intelligent systems to visualize and manage cloud spend, detect anomalies, govern resources, and generate actionable optimization insights. We partn

Software Engineer (Fullstack) - Trust and Safety

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A12440 Apply to this job Share this listing: Responsibilities About Us The Trust and Safety(TnS) engineering team are responsible for protecting our users from harmful content and abusive behaviors. With the continuous efforts of our trust and safety engineering team, TikTok can provide the best user experience and bring joy to everyone in the world. We are building an engineering team dedicated to Trust and Safety's Risk and Respons

Senior Software Engineer - Windows Fundamentals

Microsoft Corporation

Redmond, Washington, USA

Full-time

The Windows + Devices Fundamentals (W+D) team is responsible for the reliability, performance, battery life and sustainability of Windows devices. Our work touches the full stack of hardware and OEM partners, the operating system as well as the application layers to protect, manage and improve the Fundamentals of the Windows ecosystem. We are seeking a Senior Software Engineer - Windows Fundamentals to help us shape the next wave of innovations to optimize battery life on Windows devices. As we

Cloud Developer

DP Professionals Inc

Remote or Columbia, South Carolina, USA

Contract

DPP is seeking a Cloud Developer IV for an opportunity in Columbia, SC. Work arrangement: Onsite is highly preferred, but open to remote W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract. Position summary: A typical day for this In the Cloud Developer involves designing, building, and maintaining scalable cloud-native applications that align w

Sr Backend Engineer (TypeScript)

Ledgent Technology

Remote

Full-time

No Corp-to-Corp, No 3rd party firms . Job Title: Sr Backend Engineer (TypeScript) Location: 100% Remote (U.S. Remote) Employment Type: Direct-hire Compensation: Up to $190,000 (based on level of experience) . Partnered with a client who is creating cutting-edge AI/ML products (Generative AI) that solve healthcare administrative burdens using conversational AI and their patented voice biomarker technology. . They're seeking a skilled Sr. Backend Engineer to help design, build, and maintai

Sr. Software Engineer

Visa Inc.

Bellevue, Washington, USA

Full-time

Company Description As the world's leader in digital payments technology, Visa's mission is to connect the world through the most creative, reliable and secure payment network - enabling individuals, businesses, and economies to thrive. Our advanced global processing network, VisaNet, provides secure and reliable payments around the world, and is capable of handling more than 65,000 transaction messages a second. The company's dedication to innovation drives the rapid growth of connected commer

Senior Analytics Developer - Specialist 3

K Systems Solutions

Remote or Brooklyn, New York, USA

Contract

Client Name: City of New York Start Date: July 10, 2025 End Date: July 9, 2026 Contract Length (in weeks): 52 Weeks SCOPE OF SERVICES TASKS:. ? Develop and maintain highly efficient and interactive reports, dashboards, and data models to meet business requirements. ? Collaborate with data scientists and business stakeholders to understand data analysis needs and translate them into technical requirements.? Design and implement data engineering pipelines to extract, transform, and load data f

Sr. Software Engineer

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

Software Engineer, Ads Measurement Signal

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A124191 Apply to this job Share this listing: Responsibilities Our Ads Measurement Signal team is missioned to develop our advertiser-facing product solutions that ensures successful signal lifecycle and build our signal infrastructure that handles large volume of signals across diverse channels (web, app, offline, CRM, etc). Under the evolving privacy preserving environment, the team will be responsible for exploring and implementin

Senior Software Engineer, Ads Measurement Signal

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A33896A Apply to this job Share this listing: Responsibilities Our Ads Measurement Signal team is missioned to develop our advertiser-facing product solutions that ensures successful signal lifecycle and build our signal infrastructure that handles large volume of signals across diverse channels (web, app, offline, CRM, etc). Under the evolving privacy preserving environment, the team will be responsible for exploring and implementin

Software Engineer II-PowerPoint

Microsoft Corporation

Redmond, Washington, USA

Full-time

Are you passionate about building services that operate at massive scale? Do you thrive on solving complex engineering challenges and delivering elegant, high-impact solutions? Come join the PowerPoint team and help shape the future of how billions of people communicate their ideas. We're looking for engineers who thrive on running services at scale, care deeply about performance, reliability, and security, and are eager to ship high-quality code that makes a global impact. You'll join a collab