Senior backend engineer jobs

Remote or Norwalk, Connecticut

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Today

RESPONSIBILITIES: Kforce has a client in Norwalk, CT that is seeking a Senior Backend Engineer who will work across engineering, product, analytics, and operations to architect durable serverless systems, develop clean and reliable Python services, and power mission-critical workflows such as claims processing, eligibility ingestion, episode creation, provider search, and care coordination. What You'll Do: * Design and build large-scale, resilient serverless systems using AWS Lambda, API Gatewa

Full-time

$150,000 - $190,000 annually

Sr. Backend Engineer

Burlingame, California

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Today

Job#: 3045516 Job Description: Sr. Backend Engineer (Contract) Role Overview: Meta is seeking a Backend Engineer to build and maintain scalable infrastructure, APIs, and services supporting products used at global scale. This role requires strong distributed systems expertise, a data-driven mindset, and the ability to collaborate across engineering organizations. Responsibilities Design and implement highly available backend services and APIs.Develop scalable distributed systems to process la

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Full-time

$50 - $85 per hour

Mid - Senior Backend Engineer / Node / AWS

Phoenix, Arizona

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Today

A fast-growing technology-driven residential real estate company is seeking a Mid-Level Backend Engineer to join its engineering team in the Tempe area. This is a full-time, hybrid opportunity focused on building and enhancing customer-facing platforms, mobile applications, web experiences, internal tools, and third-party integrations. The ideal candidate will bring strong backend development experience with Node.js, GraphQL, and AWS serverless technologies. This team operates with a startup-lik

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Full-time

$110000 - $170000

Senior Backend Engineer - Adobe Commerce/Magento 2

Remote

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Yesterday

Lead Backend Engineer PHP / Adobe Commerce (Magento 2)Remote Opportunity Full Time OverviewSeeking a Lead Backend Engineer with 6+ years of backend development experience and strong expertise in PHP and Adobe Commerce/Magento 2. The role focuses on APIs, GraphQL, event-driven architecture, AWS, performance optimization, automated testing, CI/CD, and production support. Key ResponsibilitiesDevelop and extend Magento 2 modules, APIs, GraphQL resolvers, services, plugins, observers, cron jobs, an

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Full-time

Depends on Experience

Senior Backend Engineer (Python / Security)

Hybrid in Fort Worth, Texas

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Yesterday

Job TitleSenior Backend Engineer (Python / Security) Location & Work ModelFort Worth, TX / Hybrid/ Long term Contract About the RoleLead system design, write high-quality code, and mentor engineers to build reliable, secure, and maintainable applications. You will drive technical craftsmanship, improve system observability, and enforce best practices in security and performance. Key Responsibilities Write, test, and document code, scripts, and technical processes following team standards.Design

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Contract

Depends on Experience

Senior Backend Java Engineer with AI / LLM

Bentonville, Arkansas

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Today

job summary: Position Overview We are seeking an experienced Senior Backend Java Engineer with specialized expertise in Generative AI, Large Language Models (LLMs), and Retrieval-Augmented Generation (RAG). In this role, you will help modernize enterprise systems, build scalable event-driven backend services, and integrate intelligent AI capabilities directly into high-throughput Java applications. You will work at the intersection of core enterprise backend infrastructure (Java, Spring Boot,

Contract

USD60 - USD65

Senior Backend Software Engineer

Dearborn, Michigan

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Today

Job#: 3049524 Job Description: Job Title: Senior Backend Engineer Location: Dearborn, MI (4 days onsite) Pay rate: $60/hr - $75/hr Contract Duration - 12 Months Contract Note: We are not able to consider C2C or third-party submissions Role Overview Our client is seeking a skilled Senior Software Engineer for Cloud & AI Platforms to design, develop, and support cloud-native applications, enterprise integrations, and AI-enabled solutions. This role focuses on backend engineering, Google Clou

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Full-time

$60 - $75 per hour

Senior Backend Engineer - Node.js/TypeScript, Distributed Systems

Remote

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20d ago

Title: Backend Developer Level 3 Alternate Title: Senior Backend Engineer - Node.js/TypeScript, Distributed Systems Job Duration: 12 Month(s) Job Category: Development Mode: Remote Job Description: We're looking for a Senior Backend Engineer to help build and scale the largescale distributed systems behind our fulfillment platforms. This is a hands-on engineering role for someone who enjoys complex distributed systems problems, designs resilient cloud-native services, and can operate with a high

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Contract, Third Party

Depends on Experience

Senior Backend Engineer // Fully Remote // TypeScript Node.JS

Remote

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Today

A fast-growing B2B infrastructure platform is expanding its engineering team and looking for a Senior Backend Engineer to join one of its most critical and high-velocity teams. This is a full-time, 100% remote opportunity built around a TypeScript, Node.js, and Nest.js stack, with microservice architecture at the core. The platform powers real-time services for a rapidly growing merchant base and operates at meaningful scale. EST hours are required. This team owns more services than any other i

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Full-time

$170000 - $200000

Senior Backend Software Engineer - SWENGG 26-10222

Hybrid in New York, New York

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Today

Senior Backend Software EngineerLocation: New York, NY Hybrid, 3 days onsite or as needed Duration: 12 Months Position OverviewThe Senior Backend Software Engineer will be a hands-on engineer responsible for developing, integrating, testing, deploying, and supporting backend services for an enterprise E-Citations application. The role requires strong expertise in .NET, C#, cloud-native development, secure APIs, workflow automation, enterprise integration, data engineering, DevOps, and production

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Contract, Third Party

Depends on Experience

Senior AI Platform Backend Engineer

Missouri

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Today

Strategic Staffing Solutions is currently looking for a Senior AI Platform Backend Engineer, a W2 contract opportunity. This is a W-2 contract opportunity, and candidates must be able to work on our W-2 only. NO C2C or 1099. Senior AI Platform Backend Engineer Employment Type: W2 Only (No C2C or 1099) Duration: 12-month contract with a possibility to extend Location: St. Louis, Missouri Schedule: Hybrid-3 days per week; 1 day must be a Monday and Friday. Interview: first round via Teams, second

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Contract

USD0 - USD0

Remote Senior Backend Engineer (Python/FastAPI)

Remote

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Today

About Us: Based in San Francisco, California, Turing is the worlds leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to

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Contract

200 - 300

Senior Backend Engineer — Java / Spring Boot

Hybrid in New York, New York

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10d ago

We are seeking a Senior Backend Engineer for a contract position. Responsibilities: Design, develop, and maintain high-performance backend applications using Java and Spring Boot.Design and implement scalable microservices and APIs while working within both modern microservices and existing monolithic architectures.Participate in system design and architecture discussions, making thoughtful decisions around scalability, reliability, maintainability, and performance.Design and optimize SQL datab

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Third Party, Contract

Depends on Experience

Senior Backend Software Engineer

Hybrid in Dearborn, Michigan

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6d ago

Good morning, Senior Software Backend Engineer Cloud & AI PlatformsIndustry:Automotive Location:Michigan Employment Type:W2 C2C: Not accepted for this positionWe are looking for aSenior Software Backend Engineerwith strong experience inCloud and AI Platforms to join an exciting opportunity with a leading automotive client.If you are interested or know someone who may be a good fit, please feel free to reach out or share your resume. Senior Software Engineer Cloud & AI Platforms Job Title: S

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Contract

70+

*Senior Full Stack Engineer (Backend focused - Nodejs, Javascript, AWS exp.) - W2 role

Remote

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8d ago

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details Posit

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Contract, Third Party

Depends on Experience

Senior Backend Engineer

Remote or Boston, Massachusetts

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Today

About Re:Build At Re:Build, our mission is to ensure the next generation of important products are made, at scale, in America. We are laying the foundation for a better future for our customers, employees, and communities by revitalizing America's manufacturing base and creating meaningful jobs across the country, including in historically deindustrialized regions. We operate an advanced, end-to-end manufacturing platform that partners with industrial companies and innovators to take products f

Full-time

USD 165,000.00 - 200,000.00 per year

Senior Backend Engineer, Experimentation

Remote

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Today

About the Job: LaunchDarkly is seeking a Senior Backend Engineer to join our Experimentation team. The Experimentation team is building one of the company's most strategic product areas: a platform that helps leading engineering organizations move beyond intuition and make product decisions with real statistical confidence. Sitting at the intersection of large-scale systems, data science, and user experience, the team is creating a best-in-class experimentation product that lets customers set

Full-time

USD 191,800.00 - 263,670.00 per year

Senior Backend Engineer, Billing

Remote

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Today

About the Job: Software powers the world, and LaunchDarkly empowers teams to deliver and control it safely. As a Senior Backend Engineer on the Billing team, you will own the systems that turn every plan, price, entitlement, and usage limit into revenue - checkout, subscription and entitlement APIs, usage metering, and the integrations to our billing, CRM, and finance systems. When billing is wrong, customers get the wrong product and we invoice the wrong amount. Correctness here is a commitmen

Full-time

USD 191,800.00 - 263,670.00 per year

Sr Backend Engineer

New York, New York

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Today

Senior Backend Engineer WHY THIS ROLE EXISTS Our client is building AI technology to make healthcare accessible and free for everyone. They are seeking Sr Backend engineers to develop scalable infrastructure that supports billions of AI driven consultations while ensuring medical safety and HIPAA compliance. This role is central to delivering reliable and secure systems at massive scale. WHAT YOU WILL BUILD Healthcare API Infrastructure Design and maintain high performance APIs using Python

Full-time

USD 200.00 per day

Senior Backend Engineer II - IPC

Remote

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Today

ABOUT BESTOW Life insurance is one of the world's most important products. It's also one of the hardest to build, distribute, and modernize. Bestow exists to change that. Bestow is a leading vertical technology platform serving some of the largest and most innovative life insurers. Our platform unifies the fragmented, legacy value chain, enabling carriers to launch products in weeks instead of years. Carriers choose us to scale and operate at unprecedented speed, powered by AI and automation.

Full-time

USD 202,000.00 - 237,500.00 per year