Back-End Developer Jobs in portland, or

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Golang -Backend Engineer

SES

Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability to work with Vendors and External Partners Job Description: The Backend Engineer is responsible for the development and

AWS Backend Engineer

Atika Tech

Remote

Full-time, Contract

Position: AWS Backend Engineer Location: Remote Experience: 8+ Years Design, develop, and maintain scalable backend services, APIs, and data pipelines using AWS, Python, PySpark, and OpenSearch, ensuring high performance, quality, and collaboration across teams. Responsibilities: Design, develop, and maintain backend services and APIs using AWS technologies. Implement and manage search and analytics solutions using Elastic Search (OpenSearch). Develop data processing pipelines using Python a

AWS Backend Engineer

Keypixel Software Solutions

Remote

Contract, Third Party

AWS Backend EngineerREMOTECONTRACT Skills: - Mandatory skills AWS, OpenSearch, Glue, Lambda, OpenTelemetry, Rhubarb Good to have skills: - S3 (datasource), Postgres (datasource), Grafana (load testing)

Sr Backend Engineer

Robert Half

Remote or Bellevue, Washington, USA

Contract

Description Robert Half is seeking a Senior Backend Engineer to support a Financial Services organization based in Seattle, WA. This role involves building out a new cloud-native integration platform as part of a larger greenfield development effort supporting vendor, policy, and claim systems. The position is Remote, in a 6-month contract (with potential to convert to full-time). Apply today! Job Details: Schedule: Flexible - candidates can work PST or EST; asynchronous communication is comfor

React Developer

Stellar IT Solutions

Remote or Ann Arbor, Michigan, USA

Full-time, Part-time, Contract, Third Party

Job Title: React Developer Location: Remote Job Duration: 6+ Months Interview: Video Job Description: We are seeking a Mid to Senior-Level React Developer to support a legacy application modernization project. The role involves rewriting components of an existing WebForms application into a modern tech stack using React with TypeScript and a .NET Core API. The ideal candidate will be comfortable navigating legacy code and helping transition to the new architecture, with a strong focus on fro

MongoDB Developer - Fulltime (H1B/OPT) Accepted

Xcelo Group Inc

Remote or Dallas, Texas, USA

Full-time, Part-time, Contract, Third Party

Job Title: MongoDB Developer - Fulltime (H1B/OPT) Accepted Location: Dallas, TX (Remote) Duration: Long Term Experience: 5-10 Years We're searching for a skilled MongoDB Developer to craft the database magic behind our web applications. You'll collaborate with backend developers and product managers to bring innovative ideas to life. Responsibilities: Design, develop, and implement robust and scalable database solutions using MongoDB. Optimize and maintain existing MongoDB databases. Work cl

BACKEND ENGINEER/ UI SOLUTION ARCHITECT

SUNRAY INFORMATICS

Remote

Contract, Third Party

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

API Engineer

Kforce Technology Staffing

Remote or Brooklyn, New York, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an API Engineer in Brooklyn, NY. Summary: We're looking for a skilled Backend Engineer to support the development of mobile shopping experiences. This role focuses on backend/API development and will be part of a cross-functional team that includes product managers, designers, mobile app engineers, and backend developers. Responsibilities: * Design and maintain backend services that power mobile applications * Collaborate with iOS and Andro

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

Senior Backend Engineer

Kforce Technology Staffing

Remote or Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce is working with a client in search of a Senior Backend Engineer to join their team! This position is full-time, direct hire and remote with the ability to work PST hours. Summary: As a Senior Backend Engineer, you will design, build, and maintain the core services, APIs, and integrations that power our platform. You'll collaborate with world-class engineers to deliver resilient, high-performance systems. Responsibilities: * Senior Backend Engineer will design, build, a

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

AngularJS Developer - W2 (H1B/OPT Accepted)

Xcelo Group Inc

Remote or Dallas, Texas, USA

Full-time, Part-time, Contract, Third Party

AngularJS Developer - W2 (H1B/OPT Accepted) Location: Dallas, TX (Remote) Duration: Long Term Experience: 0-2 Years Company: Xcelo Group Job Description: Xcelo Group is seeking a passionate and skilled AngularJS Developer to join our growing team. You will be responsible for building dynamic and responsive client-side features for our web applications, working closely with back-end developers and product managers. Your work will directly contribute to delivering innovative solutions for our c

Sr. Backend Software Engineer, Fleetnet

Tesla Motors

Remote or Palo Alto, California, USA

Full-time

Come join a small team of experts building the systems that connect Tesla and our customers to their cars. Companies have talked for years about a future of "connected cars." At Tesla, we're at the forefront of innovation by providing a complete suite of rich backend services to our exponentially growing fleets. The team specialized in IoT communication is in charge of every remote interaction with the vehicles (remote control, remote diagnostic, vehicle fleet telemetry for self-learning Autopi

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

Senior Backend Engineer Node.js

Avila IT

Remote

Full-time

Job Description:We are seeking a Senior Backend Engineer with deep expertise in Node.js to architect, develop, and optimize high-performance backend systems. The ideal candidate has strong experience in building scalable microservices, integrating APIs, and working with modern cloud-based infrastructure. Key Responsibilities: Design, develop, and maintain backend services and RESTful APIs using Node.js and associated frameworks (e.g., Express.js, NestJS). Build scalable microservices for high-th

Adobe Experience Manager (AEM) Architect

Alltech Consulting Services, Inc.

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

React Native Mobile Architect

Aptino

Remote

Third Party, Contract

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

Senior Backend Automation Engineer

Avila IT

Remote

Full-time

Job Description:Walmart is looking for a Senior Backend Automation Engineer with deep expertise in backend testing, API automation, and scalable test framework development. The ideal candidate should be highly skilled in test design for microservices and backend systems, with a strong understanding of REST APIs, data validation, and CI/CD integration. Key Responsibilities: Design, develop, and maintain robust automation test suites for backend services and RESTful APIs. Build reusable frameworks

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

P25-231186 - Software Engineer III

FedEx Office

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