Backend Development jobs in Exton, PA

Wilmington, Delaware

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Today

**W2 only contract, no 3rd parties or C2C please - onsite interview required in Wilmington, DE** We are seeking an experienced .NET Developer to design, build, and maintain enterprise-grade web applications for a highly regulated banking environment. The ideal candidate brings strong backend development expertise in .NET alongside a solid understanding of AngularJS front-end architecture, enabling effective collaboration across the full stack. Responsibilities Design, develop, and maintain rob

Contract

70-85/hr

Senior Backend Engineer

Philadelphia, Pennsylvania

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Today

Job Description Position Overview: We are seeking an experienced Senior Backend Engineer with strong Java expertise to join our growing engineering team. The ideal candidate will have a deep understanding of building scalable, resilient, and high-performance backend systems. This individual will collaborate closely with cross-functional teams, helping shape the future of our products and ensuring the delivery of high-quality software. Key Responsibilities: Design and Development: Architect, d

Full-time

Senior Full Stack Developer (Data & Analytics)

West Chester, Pennsylvania

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Today

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can prou

Full-time

FullStack Java Developer

Wilmington, Delaware

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Today

Location: Wilmington, DE Description: About the Role We are seeking a Full Stack Java Developer with strong backend expertise and hands-on frontend development experience to help design, build, and maintain scalable enterprise applications. In this role, you will work across the full software development lifecycle, contributing to backend microservices, REST APIs, and modern web interfaces while collaborating with distributed teams in an Agile environment. The ideal candidate has at least 3 y

Contract

Senior .NET Developer

Remote or Horsham, Pennsylvania

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Yesterday

RESPONSIBILITIES: Kforce has a client in need of a Senior .NET Developer in Horsham, PA. Responsibilities: * Design, develop, and support scalable business applications that enhance user experience and operational efficiency * Collaborate with cross-functional teams to translate business needs into technical solutions and deliver high-quality software * Build and maintain full-stack applications using modern development frameworks and cloud-based technologies * Participate in Agile development

Contract

$57 - $65 hourly

Full Stack Developer - Intermediate

Wilmington, Delaware

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Today

Location: Wilmington, DE Description: Full Stack Software Engineer (Java / React / AWS) About the Role We are seeking a Full Stack Software Engineer with strong backend development expertise and modern frontend development experience to build scalable, secure, and resilient enterprise applications. This role focuses approximately 60% on backend development and 40% on frontend development, leveraging Java, Spring Boot, Microservices, React, and AWS technologies. You will participate in the des

Contract

Sr Staff Fullstack Developer (Frontend focused)

Exton, Pennsylvania

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Today

Descriptions & Requirements Job Description and Requirements **Please note that this role can be based in the following locations: Exton, PA, Denver, CO, Huntsville, AL, DC area, or Dayton, OH We Are Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI-powered products. We deliver industry-leading silicon design, IP, simulation and analysis solutions, and design services. We partner closely with our customers across a wide range of

Full-time

Sr. Software Engineer (Go, AWS)

Philadelphia, Pennsylvania

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Today

Full-time

Associate UI Engineer

Philadelphia, Pennsylvania

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Today

Ascensus is the leading independent technology and service platform powering savings plans across America, providing products and expertise that help nearly 16 million people save for a better today and tomorrow. Ascensus does not provide visa sponsorship now or in the future and does not hire candidates working under OPT. Ascensus is the leading independent technology and service platform powering savings plans across America, providing products and expertise that help nearly 16 million peopl

Full-time

USD 65,000.00 - 80,000.00 per year

Sr. Optimizely Developer

Philadelphia, Pennsylvania

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Today

Join a fast-moving digital marketing team that is investing heavily in modern web technology, experimentation, and data-driven growth. This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS solutions, launching sophisticated experiments, and using AI-assisted tools to work faster and smarter. Responsibilities Build and maintain reusable components, page templates, and content models within Optimizely CMS to help marketing teams launch web pages effici

Full-time

USD 79,000.00 - 130,000.00 per year

Associate UI Engineer

Pennsylvania

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Today

Full-time

USD 65,000.00 - 80,000.00 per year

Senior Software Development Engineer (Back-end)

Remote

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Today

Filevine is a Legal AI company delivering Legal Operating Intelligence for the future of legal work. Grounded in a singular system of truth, Filevine brings together data, documents, workflows, and teams into one unified platform-where modern legal work happens with clarity and consistency. Powered by LOIS, the Legal Operating Intelligence System, Filevine connects context across every matter to transform legal operations from reactive to proactive. LOIS reads, understands, and reasons across y

Full-time

USD 160,000.00 - 190,000.00 per year

Senior Software Engineer

Philadelphia, Pennsylvania

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Today

Fast growth tech firm hiring Senior Full Stack Engineer / 100% remote This Jobot Job is hosted by: Christine McNamara Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $200,000 per year A bit about us: We are seeking a Senior Full Stack Engineer to design, build, and scale modern web applications across both frontend and backend environments. This individual will play a key role in delivering high-impact, cloud-based solutions and

Full-time

USD 150,000.00 - 200,000.00 per year

Lead Backend Java Engineer (Kotlin)

Remote

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18d ago

About Evolutyz Corp: Evolutyz Corp, a vibrant, award-winning, woman-owned IT consulting firm headquartered in Naperville, IL. We are passionate about innovation and committed to driving business transformation with our custom technical solutions. As a certified MBE enterprise, we promote a diverse and inclusive work environment where your ideas are valued. At Evolutyz, youll find the perfect opportunity to grow your career, make an impact, and collaborate with a team that supports your professio

Easy Apply

Full-time

60 - 70

Backend .NET Engineer

Philadelphia, Pennsylvania

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Today

Full-time

Sr Backend Engineer (Python)

Remote

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4d ago

Role 1: Senior Backend Engineer Level: Senior (8+ years) Working hours: Minimum 5 hours overlap with US Pacific business hours Position Summary This engineer will build and operate the backend services behind CLIENTs AI features - the APIs, retrieval paths, and data layers that turn a model call into a product our customers can rely on. This is hands-on delivery work on a small team: the engineer owns services end to end, from schema and endpoint design through deployment and production behavior

Easy Apply

Contract

50 - 70

Senior Full Stack .NET Developer_ W2

Remote

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2d ago

Senior Full Stack .NET Developer Location: WA / TX Remote Type: Contract Experience: 15+ Years Required Skills 15+ years of experience in .NET developmentStrong C#, ASP.NET, .NET Core / .NET 6/7/8Hands-on Azure experience: Azure Functions, App Services, Service Bus, Azure DevOps, CI/CDStrong Backend Development and Microservices ArchitectureExpert-level SQL Server: database design, stored procedures, performance tuningMiddle-Tier Architecture, Entity Framework, and Design PatternsStrong experi

Easy Apply

Full-time

Up to 45

Senior .NET Developer

Remote

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3d ago

Required Skills15+ years of experience in.NET developmentStrongC#, ASP.NET, .NET Core / .NET 6/7/8Hands-onAzureexperience: Azure Functions, App Services, Service Bus, Azure DevOps, CI/CDStrongBackend DevelopmentandMicroservices ArchitectureExpert-levelSQL Server: database design, stored procedures, performance tuningMiddle-Tier Architecture, Entity Framework, and Design PatternsStrong experience withREST APIs, Web Services, SOAP/WCFAngular or Reactexperience is a plusAI experienceis highly prefe

Easy Apply

Contract

Senior Full Stack Developer

Remote

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20d ago

Senior Full Stack Developer Remote, Dallas, TX (Need to go Onsite for Final Interview) Note: Need experience with Micro Frontend and Playwright Position Summary We are seeking a highly skilled Senior Full Stack Developer to design, develop, and maintain scalable, cloud-native enterprise applications. The ideal candidate will have strong experience across both frontend and backend development, building modern web applications, RESTful APIs, microservices, and Micro Frontend architectures while de

Easy Apply

Third Party, Contract

$0 - $0

Senior Full Stack Engineer

Remote

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Today

Job Description A fast-growing SaaS company is looking for a Staff Software Engineer to join their remote team in Toronto. You'll help build and scale a modern platform that streamlines commerce, operations, and customer workflows using TypeScript, Node.js, React, GraphQL, and AI-assisted development tools. This is an opportunity for a highly autonomous engineer who enjoys solving complex technical challenges, owning projects end-to-end, and working closely with stakeholders and customers. You

Easy Apply

Full-time

$150000 - $200000

Backend Development jobs in Exton, PA 19341, USA