back end developer Jobs in seattle, wa

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Senior Software Engineer (Back-End)

Jobot

•

Seattle, Washington, USA

Full-time

Well-Funded AI Startup. Fully Remote, Complex Problems, Very Stable, Meaningful Equity! This Jobot Job is hosted by: Grant Greenhalgh Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $170,000 - $200,000 per year A bit about us: We are pioneering cutting-edge AI/ML solutions that transform how large, complex datasets are consumed, interpreted, and utilized. If you are passionate about innovation, thrive in a dynamic environment, and are eager
Posted 8 hours ago | Updated 3 hours ago

BACKEND ENGINEER/ UI SOLUTION ARCHITECT

SUNRAY INFORMATICS

•

Remote

Third Party, Contract

Hi Professionals, We have an immediate openings for the below role, If interested please apply. Job Title: BACKEND ENGINEER/ UI SOLUTION ARCHITECT Type :C2CInterview: Telephonic & RemoteJOB RESPONSIBILITIESOVERALL EXPERIENCE 12YRS+ We are seeking a Senior Backend Engineer / Solutions Architect to join our client s innovative engineering team. This role is ideal for a backend specialist with deep expertise in Node.js and TypeScript, who is confident designing scalable backend architectures within
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Posted 26 days ago | Updated 26 days ago

Backend Engineer (Python)

LanceSoft Inc.

•

Remote

Contract

Key Requirements: Experience:4+ years of software development experience. If more experience, then they will go senior level title)Must have a BS degree in Computer Science or related fieldTechnical Skills:Python Strong experience (must-have)Data Structures & Algorithms RequiredAWS Practical experience requiredAI/ML:Prior ML experience (even if older) and at least 6 months of hands-on GenAI experience or solid exposureExperience working in a Generative AI-focused Soft Skills:Strong communication
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Posted 2 days ago

ADA Accessibility Developer---Front End

Allwyn Corporation

•

Remote

Contract, Third Party

Position: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Duration: 4+ months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applic
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Posted 6 days ago

Python Backend Engineer

ACL Digital

•

Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale. s part of our growing team, we're looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role inv
Posted 39 days ago | Updated 11 hours ago

Software Development Engineer III

Blue Origin, LLC

•

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 19 days ago | Updated 8 hours ago

Opening for Mobile UI Developer :: Contract :: Remote

SOHO Square Solutions

•

US

Contract, Third Party

Job Title: Mobile UI Developer Location: Remote Job Type: Contract Job Summary: Job Description: We are seeking a Mobile UI Developer with strong expertise in Kotlin, Java, and Spring frameworks to design, develop, and enhance high-quality mobile applications for our financial clients. The ideal candidate will be experienced in building secure, scalable mobile UI applications within the banking and financial services domain, ensuring seamless integration with backend services while deliveri
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Posted 3 days ago | Updated 1 day ago

Senior iOS Software Engineer, Global E-commerce Frontend Infrastructure

TikTok

•

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A119150 Apply to this job Share this listing: Responsibilities The e-commerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies, and its future growth cannot be underestimated. With millions of loyal users globally, we believe TikTok is an ideal platform to deliver a brand new and better e-commerce experience to our users. Our product engineering team is resp
Posted 58 days ago | Updated 11 hours ago

Senior Android Software Engineer, Global E-commerce Frontend Infrastructure

TikTok

•

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A159429A Apply to this job Share this listing: Responsibilities The e-commerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies, and its future growth cannot be underestimated. With millions of loyal users globally, we believe TikTok is an ideal platform to deliver a brand new and better e-commerce experience to our users. Our product engineering team is res
Posted 58 days ago | Updated 11 hours ago

Mobile & Web Developer with Angular/Ionic + ADA

Allwyn Corporation

•

Remote

Contract, Third Party

Job Title: Mobile & Web Developer with Angular/Ionic + ADA Location: Remote Job Overview We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile
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Posted 24 days ago | Updated 4 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 35 days ago | Updated 11 hours ago

Software Engineer II - Backend

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Microsoft Teams is the fastest-growing product in Microsoft's history, empowering over 330 million users globally to connect and collaborate. The Teams Core Services team builds and operates the foundational backend systems that power these experiences - from global user communication to secure tenant separation and cloud compliance. As part of our team, you'll help build reliable, scalable services that support hyper-growth, specialized cloud environments, and enterprise-grade collaboration sce
Posted 4 days ago | Updated 11 hours ago

Back-End Software Engineer (Contractor)

Dimensional Fund Advisors LP

•

Texas, 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 35 days ago | Updated 11 hours ago

Full Stack Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. Requires expertise in specialty areas. Back-End Software D
Posted 18 days ago | Updated 6 hours ago

React Native Mobile Architect

Aptino

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Remote

Contract, Third Party

Job Description:We are seeking a highly skilled and experienced Senior React Native Developer / Mobile Architect to join our mobile development team. The ideal candidate will have a proven track record of building scalable and high-performance mobile applications using React Native and related technologies. You will be responsible for leading mobile architecture decisions, implementing robust features, and ensuring seamless cross-platform user experiences. Key Responsibilities:Design, develop, a
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Posted 17 days ago | Updated 4 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 3 days ago | Updated 11 hours ago

Java Backend Engineer || Citizens only || W2

Paradigm Infotech

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Remote

Contract

Role: Senior Java Backend Engineer Node JS Work mode: 100% remote Rate: $--/r on W2 no benefits. Visa: U.S. Citizenship + U.S.-based residency is required Not looking for Fullstack Engineers10+ years of exp6-12 months to hire Status: U.S. Citizenship + U.S.-based residency is requiredLocation: Remote - 9:00 - 5:00pm Central Time - the client is located in the southeastTechnologies: Node.js | TypeScript | Serverless Frameworks | AWS SAM | API documentation toolPractice Group: Consulting; Agile /
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Posted 4 days ago | Updated 4 days ago

Sr. Backend Engineer/Solutions Architect

LogiX-Guru

•

Remote

Contract

Senior Backend Engineer / Solutions Architect (Node.js | Google Cloud Platform | TypeScript | Finance) Location: Remote Type: Full-time | Contract Client Industry: Financial Technology Key Responsibilities - Design and implement fraud prevention systems using Node.js and TypeScript - Develop and enhance device authentication mechanisms - Build payment intercept systems and fraud detection features - Integrate with Google Cloud Platform services (Spanner, BigQuery, Kubernetes) - Collaborate with
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Posted 18 days ago | Updated 5 days ago

Principal Engineer Cybersecurity, Cloud Security

URSI Technologies Inc.

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Remote

Contract

Job Title: Principal Engineer Cybersecurity, Cloud Security & High-Performance Systems Location: Remote (California) Duration: 12+ Months Role Overview: We are seeking a Principal Engineer with deep expertise in Cybersecurity, Secure Cloud Architectures, and High-Performance Systems. This role focuses on developing next-generation security platforms, real-time threat detection, and secure cloud services using Rust, Scala, and WebAssembly (WASM) on AWS. Key Responsibilities: Develop secure, perf
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Posted 17 days ago | Updated 4 days ago

Senior UI Developer

ST RXR Investments LLC

•

Remote or Miami Beach, Florida, USA

Full-time, Third Party

Job Title:Senior UI Developer (3+ Years of Experience) Compensation: Up to 300k depending on experience. Location:Miami Beach, FL [Remote is Optional] Company:ST RXR Investments LLC Job Type:Full-time About Us:We are one of the two pioneers of high frequency automated trading, and a dynamic and innovative Hedge Fund focused on building a new cutting-edge high frequency, algorithmic trading platform. Our team is developing a trading interface integrated via API, designed to offer high-performance
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Posted 31 days ago | Updated 19 days ago