Backend Software Developer Jobs in Seattle, WA

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QA Automation - API & Kafka Automation Engineer (Python Backend) W2 Contract

CogniSoft Technologies

•

Remote

Contract

Job Title: QA Automation - API & Kafka Automation Engineer (Python Backend)Locations: REMOTE (NYC Candidate should follow EST Time) Job Description:We are seeking an Automation Engineer with expertise in API testing, Kafka, and Python backend development. The role involves building automated test frameworks, validating Kafka data streams, and ensuring the performance and reliability of APIs and backend systems. Key Skills:Strong experience in API automation and Kafka (producers/consumers).Profic
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Posted 3 days ago | Updated 1 day ago

AI Engineer - Senior Consultant II

Allstate Insurance Company

•

Texas, 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 We are seeking a passionate and skilled Backend Developer
Posted 27 days ago | Updated 10 hours ago

AI Engineer Lead Consultant

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 We are seeking a passionate and skilled Lead Backend Devel
Posted 27 days ago | Updated 10 hours ago

Senior JavaScript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 60+ days ago | Updated 10 days ago

Adobe Experience Manager (AEM) Architect

Alltech Consulting Services, Inc.

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Remote or Bellevue, Washington, USA

Contract

Title: Adobe Experience Manager (AEM) Developer / Architect Location: Bellevue-WA-Onsite role Contract role About the Role We are looking for a results-driven AEM Architect with deep expertise in building and architecting scalable, enterprise-grade digital solutions using Adobe Experience Manager (AEM), NET, AI-powered technologies, and modern front-end frameworks. This role is a hybrid of hands-on development and architectural ownership, including technical design, performance optimization, and
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Posted 17 days ago

UI Angular Developer (AVP) - Hybrid

Citi

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Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio
Posted 60+ days ago | Updated 10 hours ago

Software Engineer(Java / Spring Boot)

High Bridge Consulting

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Remote

Contract

Our client is a Fortune 500 financial and payments technology company, and leads the industry in innovation, scale, and service. They are now looking to add to their team and are looking to hire a "Software Engineer . This role will be based in Columbus, GA, and is 100% Remote. Responsibilities: Works throughout the software development life cycle and performs in a utility capacity to create, design, code, debug, maintain, test, implement and validate applications with a broad understanding of
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Posted 17 days ago

Machine Learning Engineer || Seattle, WA (Onsite)

InfiCare Technologies

•

Seattle, Washington, USA

Contract, Third Party

Job Title: Machine Learning Engineer Location: Seattle, WA (Onsite) Employment Type: Contract Minimum Experience Required - 12 Years Job Summary: We are seeking a talented and results-driven Machine Learning Engineer to join our team. The ideal candidate will have hands-on experience in developing, deploying, and optimizing machine learning models and AI solutions. You will work on cutting-edge projects involving Natural Language Processing (NLP), Deep Learning, and AI prompt-response system
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Posted 1 day ago | Updated 22 hours ago

Sr., Java back-end Developer - Healthcare Domain Must (No C2C Please)

OpTech

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Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training
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Posted 60+ days ago | Updated 30 days ago

Software Development Engineer III

Blue Origin, LLC

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Seattle, Washington, USA

Full-time

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 Enterprise Technology (ET), where we're deve
Posted 40 days ago | Updated 6 hours ago

Backend Engineer, Core Technology

Stripe

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Remote or Seattle, Washington, USA

Full-time

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies-from the world's largest enterprises to the most ambitious startups-use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important w
Posted 60+ days ago | Updated 10 hours ago

AEM Architect

VDart, Inc.

•

Bellevue, Washington, USA

Contract, Third Party

Title: AEM Architect Location: Bellevue, WA (Initial remote / Remote) Duration: Long Term Job Description: Seeking a results-driven AEM Developer Architect with deep expertise in scalable enterprise digital solutions.Design and architect solutions using Adobe Experience Manager (AEM), .NET, AI-powered technologies, and modern frontend frameworks.This hybrid role combines hands-on development with significant architectural ownership, including technical design and performance optimization.Develop
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Posted 12 days ago

Full Stack Software Engineer, Efficiency Engineering - USDS

TikTok

•

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A103736A Apply to this job Share this listing: Responsibilities The Efficiency Engineering team is all about our passion for crafting innovative tools and applications that empower IT operations and devops teams to achieve new levels of efficiency. We're a tight-knit crew of experienced developers, engineers and problem solvers fueled by a shared vision: streamlining operations, reducing manual workload, and empowering teams to do th
Posted 55 days ago | Updated 10 hours ago

Python Developer - 1 Yr Contract - 4 Days Onsite Frisco, TX or Overland, KS

Elite Technical

•

Snoqualmie, Washington, USA

Contract

Full Stack Developer - Kansas OR Frisco Our client, a multinational telecommunications technology company is growing their high impact NCI Automation Project. They are seeking three developers for a high impact project to implement NOC automation monitoring of their data center networks during night time activity for KPI's, network alerts etc. This role will require you to be onsite 4-days per week at the client's NOC in Overland Park, KS. Current Openings: 1. Full Stack Developer -Python, HTML
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Posted 1 day ago

Python Full Stack Developer - 1 Yr Contract - 4 Days Onsite Frisco, TX or Overland, KS

Elite Technical

•

Snoqualmie, Washington, USA

Contract

Full Stack Developer - Kansas OR Frisco Our client, a multinational telecommunications technology company is growing their high impact NCI Automation Project. They are seeking three developers for a high impact project to implement NOC automation monitoring of their data center networks during night time activity for KPI's, network alerts etc. This role will require you to be onsite 4-days per week at the client's NOC in Overland Park, KS. Current Openings: 1. Full Stack Developer -Python, HTML,
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Posted 1 day ago

Senior Backend Engineer

SUNRAY INFORMATICS

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Remote

Contract, Third Party

Role : Senior Backend Engineer Location: Pittsburgh, PA Duration: 12+ Months MOI : Telephonic & Skype Primary Skills: NODE.JS, Google Cloud Platform, TYPESCRIPT, FINANCE Need Candidates with a Minimum of 12 Years of Experience. This is a 100% Remote role. Candidates must have experience with Node.js, OAuth2, Google Cloud Platform, and TypeScript in recent projects. Note: Client Manager is considering a Backend NodeJS Developer with .NET Projects Only. Candidates' roles need to be as a Backend
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Posted 10 days ago | Updated 2 days ago

P25-231186 - Software Engineer III

FedEx Office

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Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave
Posted 23 days ago | Updated 10 hours ago

Sr., Java Developer

OpTech

•

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o
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Posted 60+ days ago | Updated 30 days ago

Node.JS Developer

PY DATA, INC.

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Remote

Contract

Position: Node.JS Backend Developer Duration: 6+ months Location: 100% Remote Only W2 Consultants Node.JSTypescriptExpressReact - Nice to have.TypescriptAWS.
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Posted 5 days ago | Updated 1 day ago

Software Engineer

UnitedHealth Group

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Remote or Draper, Utah, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv
Posted 1 day ago | Updated 10 hours ago