Back End Developer Jobs in Seattle, WA

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Java Backend Developer

Quadrant Technologies

•

Bellevue, Washington, USA

Contract

We are seeking Java Backend Engineers to design and develop a cloud-based supply chain data platform. This role requires expertise in backend development, cloud automation, and modern infrastructure technologies to build scalable, high-performance solutions. Key Responsibilities: Design, develop, and optimize backend services using Python, C#, or Java.Implement and maintain cloud services automation on Azure, AWS, or Google Cloud Platform, leveraging SDKs and REST APIs.Architect scalable and sec
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Posted 5 days ago

Lead Java Backend Developer

EPSoft Technologies LLC

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Seattle, Washington, USA

Full-time

Role: Lead Java Backend Developer Location: Seattle, WA (Remote) Full Time Role Bachelor's Degree in Computer Science or a related field. 7+ years of software development experience, ideally on a modern tech stack. Strong backend development experience with Java or Scala (2+ years minimum; Kotlin preferred). Experience with relational databases and ORMs (PostgreSQL preferred). Expertise in microservices or service-oriented architecture (SOA). Hands-on experience in cloud-native environments, p
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Posted 19 days ago | Updated 21 hours ago

.Net Backend Developer with Temporal.AI SDK

Resource Informatics Group

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Seattle, Washington, USA

Contract

.Net Backend Developer with Temporal.AI SDK Seattle, WA / Dallas, TX/ Chicago, IL TOP Skills: C#, .Net Core, Temporal.AI SDK, Workflow Orchestration, Azure, Rest API, CMS, CI/CD What will you do? What are we looking for? We are seeking a talented and versatile .NET Fullstack Developer with specialized experience in Temporal.ai to join our growing team . In this role, you will be responsible for developing and maintaining both backend and frontend components of our applications, with a strong em
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Posted 8 days ago | Updated moments ago

Sr. Back End Developer (.Net/C# with Distributed Cloud)

Photon

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Seattle, Washington, USA

Full-time, Third Party

Sr. Back End Developer (.Net/C# with Distributed Cloud) Location Seattle, WA For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. We need a strong Backend resource with e-commerce background or worked with front facing customer websites with large volume of transactions and payments. The role: Scope of work: I am hiring fo
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Posted 5 days ago

.Net Backend Developer - Temporal AI

Photon

•

Seattle, Washington, USA

Contract, Third Party

.Net Backend Developer with Temporal AI SDK Seattle, WA What will you do? What are we looking for? We are seeking a talented and versatile .NET Fullstack Developer with specialized experience in Temporal.ai to join our growing team . In this role, you will be responsible for developing and maintaining both backend and frontend components of our applications, with a strong emphasis on leveraging Temporal.ai for robust workflow orchestration. You will contribute to all phases of the software deve
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Posted 34 days ago | Updated 23 hours ago

.Net Backend Developer

Photon

•

Seattle, Washington, USA

Third Party, Contract

.Net Backend Engineer Onsite at Seattle, WA/ Dallas, TX/ Chicago, IL, NYC, NY About Us: We are seeking a Senior Back-End Software Engineer to play a pivotal role in this transformation. If you are a self-driven individual with strong ownership skills, a delivery and solution-oriented mindset, expertise in C#, .NET, Azure, CI/CD, and IaC, as well as in-depth knowledge of airline domain, we want you to be a part of our collaborative and forward-thinking team. Key Responsibilities: Back-End Develo
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Posted 60+ days ago | Updated 3 days ago

Lead .Net Backend Developer

Photon

•

Seattle, Washington, USA

Contract, Third Party

Lead .Net Backend Developer (.Net/C# with Distributed Cloud Engg) Onsite at Seattle, WA/ Dallas, TX / Chicago, IL / NYC, NY The role: Scope of work: Hiring is for an Airlines ticket Booking team. We are going through a rebuild, fully rearchitecting our Booking engine. With Millions of Booking requests going through our systems, we need to build a robust, resilient, and easy to scale system, while meeting our needs for fast response time.Deep understanding of microservice architecture, and how to
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Posted 60+ days ago | Updated 23 hours ago

Lead Java Backend Developer

Momento USA LLC

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US

Contract

Greetings of the day..! Momento USA is a global technology consulting, talent acquisition and creative development firm that addresses clients' most pressing needs and challenges. We are currently looking for Lead Java Backend Developer - Remote. Please see the Job description for the reference. Role: Lead Java Backend Developer Years of Experience: 12+ years Location: Remote Independent candidates preferred Job Description: Lead Experience Skills: Java, Spring boot, REST API, Kafka, Micros
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Posted 1 hour ago | Updated moments ago

Software Dev Engineer II

Aditi Consulting

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Bellevue, Washington, USA

Contract

Payrate: $56.00 - $61.00/hr. Summary: We are looking for a Candidate who will act as first level support and development for all incoming production software application issues dealing with merchandising applications. Your solutions will impact on our customers directly. Primary responsibilities: Developing monitoring solutions, troubleshooting/debugging and implementing the fix for internally developed code (Perl, C/C++, JAVA), performing SQL queries, improving our systems that gather metrics
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Posted 7 days ago | Updated 6 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 16 days ago

Backend Java Developer

BGI, LLC

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Remote

Full-time

Position Summary BGI is seeking a skilled and motivated Backend Java Developer to join our growing engineering team. In this role, you will be responsible for designing, developing, testing, deploying, and maintaining the server-side logic and APIs that power an automated material tracking platform. You will leverage your expertise in Java and the Spring Framework to build high-quality, high-performance, and reliable backend services. You will collaborate closely with front-end developers, produ
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Posted 20 days ago

Java Backend Developer

R Systems, Inc.

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Remote

Contract

Position: Java Backend Developer Location: Remote (PST) Duration: Long Term About R Systems: R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, including ISVs, SaaS, and Internet c
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Posted 5 days ago | Updated 3 hours ago

Java Backend Developer

Randstad - Torc

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Remote

Contract

We are looking for a Java Backend Developer to join our team! You will be responsible for designing, developing, and maintaining scalable and high-performance backend systems. If you are passionate about backend development, microservices, and cloud-based applications, this is the right opportunity for you! ResponsibilitiesDesign, develop, and maintain high-performance backend applications using Java.Implement RESTful APIs and integrate with external services.Work with microservices architecture
Posted 48 days ago | Updated 12 days ago

Software Engineer, Backend ( Developer Experience - Server Foundations)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 4 days ago | Updated 6 hours ago

ServiceNow Backend Developer

Nextgenpros Inc

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Remote

Contract

Role: ServiceNow Backend DeveloperLocation: Santa Clara, CA (Remote- Local Preferred)Type: Contract on W2 Description:-Key Responsibilities: Design and develop custom workflows using Flow Designer and Workflow Editor.Build and maintain Service Catalog items, including variables, UI policies, client/server scripts, and catalog tasks.Develop and maintain business rules, script includes, scheduled jobs, and REST/SOAP integrations.Collaborate with UI/UX, infrastructure, and business teams to gather
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Posted 4 days ago | Updated 3 days ago

Lead Backend Developer

Y & L Consulting Inc.

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Remote

Full-time

PLEASE NO VENDORS OR C-2-C < dir="ltr">About the RoleWe re looking for a Senior Backend Software Engineer who s excited to get their hands dirty, solve real problems, and move fast. You ll play a critical role on a small, highly collaborative team working on products that directly impact our partners and customers. This isn t a siloed role we want someone who s not just comfortable, but energized by jumping into conversations with the product team, account managers, and customers. You ll help s
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Posted 5 days ago

Mid-Level Back-End Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements Maximus is seeking a Mid-Level Back End Developer to join our team! The Mid-Level Back End Developer 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
Posted 3 days ago | Updated moments ago

Senior Software Engineer, Backend (Developer - Onchain Payments)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 4 days ago | Updated 6 hours ago

Backend developer

Prism IT Corp

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Remote

Full-time

We seek a candidate who is forward-thinking, hands-on, and has a strong sense of ownership. If you thrive in a fast-paced environment, enjoy mentoring, and are passionate about building scalable and mission-critical financial systems, we d love to hear from you. What You ll Do Lead the development and testing of key systems and services.Design and shape the technical architecture of our evolving banking core.Translate product requirements into user stories and scalable technical solutions.Develo
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Posted 32 days ago | Updated 28 days ago

Backend Developer - TypeScript/Node

Covenant Eyes

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Remote

Full-time

We do not allow remote work in the following states - CA, CO, CT, LA, ME, MA, NJ, NY, OR, RI, VT, WA, WV, and Washington DC. Overview OverviewWorking at Covenant Eyes is about something bigger than creating and selling software; its about creating a movement and changing culture. At the end of the day you are contributing to saving a marriage, protecting a childs innocence, strengthening a commitment to purity, and working to end sexual exploitation. As a company focused on restoring relationshi
Posted 11 days ago | Updated 11 days ago