Back End Developer Jobs in Seattle, WA

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Lead/Sr Java Backend Developer

Brillio, LLC

Remote

Full-time, Third Party

Role: Lead/Sr Java Backend Developer Years of Experience: 8+ years Location: Remote Job Description: Skills: Java, Spring boot, REST API, Kafka, Microservices Contributing to all stages of software development lifecycle Coding, unit testing, implementation, deploying builds, troubleshooting Production and environmental issues, coordination with QA, App Support & Business Design, implement and maintain application Analyzing user requirements to define system business objectives Defining applicat

Sterling OMS Back-End Developer

Infinite Computer Solutions (ICS)

Remote

Third Party, Contract

About the Role We are looking for a skilled and motivated Back-End Developer with hands-on experience in IBM Sterling Order Management System (OMS) to join our growing technology team. As a Sterling OMS Developer, you will be responsible for building, customizing, and maintaining robust back-end solutions that support complex order management workflows across multiple channels. Key Responsibilities Design, develop, and maintain back-end components of Sterling OMS using Java and Sterling APIs.Con

Java Backend Developer | Full-time / W2 / Contract

NMK Global Inc.

Remote

Contract

Job Title: Java Backend DeveloperLocation: Dallas, TX (Locals only)Experience: 6 to 8+ YearsEmployment Type: Full-time / W2 / Contract moses(@)nmkglobalinc(.)com Job Description:We are seeking an experienced Java Backend Developer to join our dynamic development team in Dallas, TX. The ideal candidate will have a strong background in designing and building scalable backend systems using Java and related technologies. You will be responsible for building microservices, integrating APIs, and ensur

Backend Developer with Mobile Apps (W2-Contract)

Techouts, Inc

Remote

Contract

Backend Developer with Mobile Apps Duration: 9+ months Engagement type: REMOTE Consultant must work on our Company Payroll (W2-Contract) Senior Backend Software Developer / Mobile Apps. Will report to the Director of Infrastructure and work closely with Product Managers to deliver well-architected experiences to the customer base. Responsibilities: Improve the performance of the backend services that power our mobile application and make them more maintainable and scalable Design, build, and sca

Senior Java Backend Developer

SLK America Inc.

Remote or Jacksonville, Florida, USA

Full-time

Role: Senior Java Backend Developer Location: Jacksonville, FL Responsibilities: This Developer will be the go-to person for difficult development problems, Java/AWS design, code standards, code reviews, etc.Leverage industry best practices to design, test, implement and support a solution.Analyze highly complex business requirements; generate technical specifications to design or redesign complex software components and applications.Acts as an expert technical resource for modeling, simulation

Backend Java Developer

4 Consulting Inc

Remote

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He

Back End Java Developer (Remote)

ConsultNet, LLC

Remote or Fargo, North Dakota, USA

Full-time

Back End Java Developer (Remote) 6-month Contract to hire rate $50.00 to $65.00 per hour. Salary Expectation $100k to $130k Job Description Our client is seeking a Java Developer to help build their custom application. The primary function of this position is to implement innovative solutions, designs and enhancements across web and mobile experiences. This individual will participate in all phases of the SDLC, including functional analysis, and provide both technical and team leadership throug

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

Remote or Jersey City, New Jersey, USA

Full-time

Job Description The Account Master Central (AMC) team within Institutional Service Group (ISG) is seeking a Senior Java Backend Lead Developer to join our engineering team in NJ. Potential candidates MUST have experience with and are enthusiastic about developing all areas of middle-tier and back-end system programming. The responsibilities of this position include but are not limited to: writing large scale Java programs in pure core Java to facilitate both batch and real-time processing. All p

Backend Java Developer (Apps Dev Tech Lead Analyst - C13 )- IRVING

Citi

Remote or Irving, Texas, USA

Full-time

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements

Backend Software Engineer, Rust

Bayside Solutions

Seattle, Washington, USA

Contract

Backend Software Engineer, Rust W2 Contract Salary Range: $120,600 - $141,400 per year Location: Seattle, WA - Hybrid Role Job Summary: Our team is building a low-latency, distributed block storage system to run workloads on our private-cloud infrastructure supporting databases, ML and analytics frameworks, and large-scale containerized and virtualized jobs. In this role, you will have the rare opportunity to work on storage device-optimized low-level storage, large-scale distributed system

Java Developer

Collabera LLC

Remote or Toronto, Ontario, Canada

Full-time

Must Haves: 7-10 years of experience as a back end developer working on both design and development Java8+ RESTful services Spring framework Oracle database & PLSQL Versioning tools: GitLab 3+ years of experience with Kubernetes Working exposure to UI Frameworks: Spring boot Working exposure to front end technologies: Java Script Must be able to debug and read Java Script Strong object-oriented design and analysis skills Experienced usage of Software Engineering Processes Working within Agile

Backend ML Engineer

Oscar Technology

Seattle, Washington, USA

Full-time

Role Overview We are seeking a Backend Engineer to design and build the foundational systems that power AI-driven products. This role is ideal for someone with a strong backend engineering background who is excited to work at the intersection of infrastructure and applied machine learning. The engineer will be responsible for creating robust services and infrastructure that enable scalable, intelligent applications. Key Responsibilities Backend System Design: Architect and implement scalable bac

Java Backend Developer

ENFEC

Bellevue, Washington, USA

Third Party, Contract

Please note : This is onsite job, commute to Bellevue, WA. Do you like development for the back-end of the application that forms the main logical backbone of the system? Are you passionate to work on cutting edge projects for telecommunications where you can contribute your skills and experience to bring the change. We are hiring Java developers who are strong with OOPS and RESTFul service concepts. Qualifications: Developing applications using Java - Very strong foundations and work experience

Senior Backend Software Engineer, Shop Ads

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A259334 Apply to this job Share this listing: Responsibilities The eCommerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies. TikTok Shop re-imagines global eCommerce with rich content and endless joy. The mission of Shop Ads team is to empower commerce merchants of all sizes to grow their business efficiently within TikTok's closed-loop ecosystems. Shop Ad

Backend Software Engineer - Global E-Commerce Logistics

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : Z4443 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. We aim to bring discovery, inspiration

Sr. Backend Engineer Lead(Strong Java coding,microservices,cloud)

Quadrant Technologies

Redmond, Washington, USA

Contract

Position: Sr. Backend Engineer Lead Key Responsibilities: Top Basic Skills1.Backend Development:Strong expertise in at least one of the following programming languages: Python, C#, or Java.2.Cloud Platforms:Extensive experience with cloud platforms such as Azure, AWS, or open-source cloud services.Hands-on experience with Cloud SDKs and cloud-native development.3.Microservices Architecture:Deep understanding of RESTful API development, microservices architecture, and distributed systems.4.Infra

Backend Software Engineer

Bayside Solutions

Remote

Contract

Backend Software Engineer W2 Contract Salary Range: $114,400 - $135,200 per year Location: Austin, TX - Remote Role Requirements and Qualifications: 3-4+ years of backend development experience in Python and/or Java Proven track record of building platforms or adding features to backend services Experience developing large-scale web applications or platforms that serve other teams (e.g., REST services, backend architecture). Bachelor's degree in Computer Science Preferred Qualifications: Ex

Backend Software Engineer, ML

Bayside Solutions

Remote

Contract

Backend Software Engineer, ML W2 Contract Salary Range: $135,200 - $156,000 per year Location: Remote Role - PST Job Summary: As a Backend Software Engineer, you will work with the engineering team, EPM, and customers to support customer migration to next-generation services that generate, manage, and consume datasets, features, and embeddings used for ML training. You will utilize tooling to migrate data and work with customers to change their Python clients to start using the new SDK. Thi

Senior Backend Engineer - Global E-commerce

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A154544 Apply to this job Share this listing: Responsibilities TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo. Why Join Us Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the t

Need Senior UI Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

Remote

Contract, Third Party

Position Senior UI Developer (10+ Years Experience) - RemoteLocation RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly experienced and creative Senior UI Developer with 10+ years of hands-on experience in designing and developing modern, responsive, and dynamic web applications. The ideal candidate will possess a strong portfolio of complex UI implementations, a deep understanding of front-end architecture, and a passion for delivering seamless user experiences.Key Re