Backend Development jobs in Pennsylvania

West Chester, Pennsylvania

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6d ago

Location: West Chester, PA Job Type: Contract Job DescriptionWe are looking for an experienced iOS Developer to design, develop, and maintain high-quality iOS applications. The ideal candidate should have strong expertise in iOS development, GraphQL integration, Java-based backend services, and UX/UI design principles. Key ResponsibilitiesDesign, develop, test, and maintain iOS applications. Integrate GraphQL APIs and work with backend services developed using Java. Collaborate with UX/UI design

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Contract

$45 - $50

Senior Software Engineer / Java / React / Philly

Philadelphia, Pennsylvania

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Today

Join a well-established software company delivering digital solutions across multiple industries. This is an opportunity to work with emerging technologies and gain exposure to multiple technology stacks. This is a senior-level role for a Java developer with deep Spring Boot experience who is passionate about craft and continuously leveling up outside of work. Required Skills & Experience: 8+ experience in Java development Advanced Spring Boot experience Multithreaded application development exp

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Full-time

$120000 - $130000

Senior Software Engineer / Cloud Middleware / Device Integration

Philadelphia, Pennsylvania

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Today

A market-leading technology firm is hiring a Senior Software Engineer. This full-time opportunity offers the chance to work with C#, .NET, REST services, SQL, cloud technologies, and hardware device integrations while developing high-performance middleware solutions that support secure, large-scale transaction processing environments across multiple industries. This role is ideal for a backend engineer who enjoys solving complex integration challenges and working close to the systems that power

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Full-time

$140000 - $160000

Senior Software Engineer / JavaScript / React / .NET Core / FinTech

Malvern, Pennsylvania

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Today

Ready to build technology that's transforming the future of financial services? A rapidly growing fintech company in Malvern, PA is seeking a Senior Software Engineer to join its team in a hybrid role, with onsite collaboration three days per week. This opportunity offers the chance to work with a modern technology stack including JavaScript, React, .NET Core, and Azure, building cloud-native applications and integrations that help banks, credit unions, and other financial institutions modernize

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Full-time

$120000 - $140000

Epicor Consultant / Remote

Remote or Chicago, Illinois

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Today

his manufacturing technology company delivers tailored ERP solutions to 500+ clients. As they scale from a small to mid-sized business, they're hiring an Epicor ERP Developer to help manage growing demand and support the transition to Epicor's cloud platform. This is a full-time role open to remote candidates, or local to the Chicago area. The team needs an experienced Epicor developer who can hit the ground running with minimal training. Ideal candidates will have a strong background in customi

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Full-time

$100000 - $110000

Senior Software Engineer / .NET / React / FinTech

Philadelphia, Pennsylvania

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Today

An industry-leading platform company is seeking a Senior Software Engineer. This full-time opportunity offers the chance to work with .NET, SQL Server, React, Angular, TypeScript, and modern web technologies while developing enterprise software solutions that support organizations across retail, hospitality, healthcare, financial services, and other major industries. This role is ideal for an engineer who enjoys balancing hands-on development with technical influence. Beyond building new feature

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Full-time

$130000 - $150000

Backend Developer - Node JS/ TypeScript / React / AWS

Remote

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6d ago

Position: Senior Backend Developer Node.js / TypeScript / React / AWS Company : Yottaflex AI Technologies Location: Remote Employment Type: Contract Duration: 612 Months (Potential Extension) Job Description We are looking for a highly experienced Senior Full Stack Developer with strong hands-on Node.js and TypeScript backend development experience to design, develop, and deploy scalable enterprise applications. The ideal candidate must be backend-strong while also having solid experience with

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Contract, Third Party

Depends on Experience

Staff 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

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Full-time

$150000 - $200000

Security Developer III (Contractor)

Remote or Philadelphia, Pennsylvania

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Today

Full Stack Security Developer - IAM A leading technology and cybersecurity organization is seeking a Full Stack Security Developer to join its core Cybersecurity team in Philadelphia, PA on a contract basis. This role will focus on architecting, developing, and maintaining security-focused applications supporting Identity and Access Management (IAM), using technologies including Angular, Java 17, Spring Boot, Spring Security, Node.js, REST APIs, MySQL, MongoDB, and AWS. This is a hybrid opportu

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Contract

Forward Deployed Engineer / Remote / FinTech

Remote or Chicago, Illinois

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Today

An innovative financial technology organization is seeking a Forward Deployed Engineer to help transform banking technology for some of the largest financial institutions in the world. This full-time opportunity combines software engineering, solution architecture, cloud technologies, and customer engagement. The ideal candidate will bring experience building distributed applications using technologies such as Go, Java, Kafka, Kubernetes, and modern cloud platforms. This is a unique opportunity

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Full-time

$190000 - $250000

Lead Software Engineer, Applied AI (Frontend Leading)

Remote or New York, New York

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Today

Our Business Technology organization builds secure and intelligent internal platforms that power our global workforce. As a Lead Software Engineer, Applied AI (Frontend Leading) , you will build intuitive, performant user interfaces and frontend integration libraries that make Generative AI (GenAI) and intelligent automation accessible and useful across IT, HR, Finance, Sales, Marketing, and Customer Support. In this role, you will bridge the gap between complex LLM orchestration and enterprise

Full-time

Lead Software Engineer, Applied AI (Frontend Leading)

Remote

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Today

Full-time

Golang Lead

Remote

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Yesterday

Golang Lead Location: Remote (Client locations: Atlanta, GA / New Jersey) Position SummaryWe are looking for an accomplished Golang Lead to drive critical healthcare technology initiatives for our client. In this role, you will spearhead the design, architecture, and delivery of scalable backend services and distributed microservices using Go. You will combine deep technical expertise in PostgreSQL, API design, and cloud-native engineering with strong leadership capabilitiesguiding engineering

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Full-time

.NET Developer/Contract to hire/Philadelphia

Philadelphia, Pennsylvania

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Today

A leading enterprise organization is undergoing a large-scale digital transformation, migrating from a legacy data center environment to Microsoft Azure while rebuilding its API ecosystem, web applications, and mobile applications from the ground up. The organization is seeking two Mid-Level .NET Developers to join a high-visibility modernization initiative and help drive development efforts through a multi-year transformation program scheduled for major delivery milestones through Spring 2027.

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Contract

$50 - $70

Golang Developer

Remote or Montreal, Quebec

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20d ago

Golang Developer Cybersecurity / HashiCorp VaultContract Type / Duration: Contract | 6 Months, with potential extension Location: Montreal, QC, Canada | Onsite Work Hours: 40 Hours/Week Start Date: ASAP Pay Rate: Competitive, based on experience Job SummaryWe are seeking an experienced Golang Developer to join a global cybersecurity engineering team responsible for building and operating enterprise security services. This is a hands-on build-and-run engineering role focused on backend Golang de

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Contract

60 - 70

Lead Full Stack Engineer

Remote or Atlanta, Georgia

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Today

RESPONSIBILITIES: Kforce has a client in Atlanta, GA seeking a Lead Full Stack Engineer to join their team, to support the rebuild and expansion of key internal applications. This role will focus primarily on backend development using C#/.NET and Azure, with supporting work on modern front-end applications built in React and Next.js. This role is split 60% hands-on coding 40% planning/architecture/leadership. Overview: This Engineer will work closely with product partners to deliver scalable, c

Contract

$50 - $60 hourly

Senior MuleSoft Developer- Need Visa Independent Candidates

Remote

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Today

Job Title:Senior MuleSoft Developer Locations:Remote Position Duration: 12+ Months Job Description: Experience-6+ years (with strong hands-on MuleSoft development experience) Primary Skill-MuleSoft (Mule 4, Anypoint Platform, API-led connectivity) Role Type-Hands-on Development / Integration Role Overview: We are seeking a strong hands-on Senior Developer with deep expertise in MuleSoft to design, build, and support enterprise integration solutions. The role focuses primarily on API-led conn

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Contract

Depends on Experience

Lead .NET Engineer with AI tools

Remote

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Today

We are looking for a Lead .NET AI Developer to drive the design and development of modern cloud-native applications powered by Generative AI technologies. This role combines deep expertise in the Microsoft ecosystem with hands-on experience building AI-enabled solutions and mentoring engineering teams. You will lead the development of scalable ASP.NET services on Microsoft Azure, leverage AI-assisted engineering tools, and contribute to the delivery of innovative solutions that integrate GenAI c

Full-time

Staff Full Stack Engineer / .NET / React / React Native / Distributed Systems

Remote

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Today

A SaaS company that builds streaming and app development platforms for media companies is hiring a Staff Level Full Stack Engineers. A growing technology organization that develops cloud-based streaming and content delivery products is seeking a Senior Staff Engineer to help drive architecture, engineering standards, and platform innovation. This is a full-time remote opportunity focused on C#, .NET, React, React Native TypeScript, AWS, and modern AI integrations. This role offers the opportunit

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Full-time

$190000 - $230000

.NET Developer

Remote

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Today

Description: Remote *Candidates must be located in these states: Arizona, Connecticut, Massachusetts, Missouri, New Jersey, New York, Florida, Vermont, Virginia, Texas and Wisconsin Our client seeks experienced .NET Developers to support a large-scale modernization initiative replacing legacy mainframe applications with modern .NET-based services and APIs. You will focus on backend development, enterprise integrations, and event-driven applications. You will build scalable services that integ

Contract

Backend Development jobs in Pennsylvania, USA