Top Software Engineer Jobs in Philadelphia, PA

Develop and support corporate tax workstation products using .NET, C#, Dynamics 365, Power Automate, ASP.NET, and SQL Server. Responsibilities include technical design, coding, testing, troubleshooting, deployment, performance and security improvements, documentation, code reviews, and mentoring developers. The role collaborates with stakeholders and international teams to deliver reliable solutions on schedule.

Develop and maintain scalable full-stack applications using ReactJS, Java Spring Boot APIs, Microsoft SQL Server, and IIS. Build responsive front-end experiences, optimize backend services and database queries, and translate business requirements into technical solutions. Collaborate with product managers, QA, UX, DevOps, vendors, and engineering teams to deliver reliable, maintainable software supporting oncology pathways and clinical workflows.

Develop and maintain scalable full-stack applications using ReactJS and Java Spring Boot APIs. Build RESTful backend services, optimize Microsoft SQL Server queries and schemas, and ensure application performance, reliability, and data integrity. Translate business requirements into technical solutions, write maintainable code, and collaborate with product, QA, UX, DevOps, vendors, and engineering teams within an agile software development environment.

Design, develop, and deliver enterprise applications for Fortune 500 clients. Lead small engineering teams, mentor junior developers, manage projects across the software development lifecycle, gather requirements, architect solutions, code, test, and deliver products. Collaborate with clients, present technical solutions, use cloud and modern software technologies, and apply AI strategically. The role operates in a hybrid model and emphasizes consulting, continuous learning, and technical leadership.

Leads software design, development, verification, validation, testing, and field support for PC, mobile, firmware, and medical-device applications. Ensures compliance with FDA, ISO, and IEC 62304 requirements while applying modern architecture, TDD, CI/CD, and automated testing practices. Collaborates with UX, product, and QA teams, contributes to technical and architectural decisions, mentors engineers, and helps deliver Class III medical-device software from concept through manufacturing and deployment.

Join Perpay as a Software Engineering New Grad. Contribute to coding, testing, and releasing features, while learning in a supportive and collaborative environment. Ideal for candidates with internships in full-stack development interested in a mission-driven role.

Develop and maintain ecommerce software across the full software development lifecycle. Design microservices and event-driven systems, build customer-facing features, improve existing applications, troubleshoot production issues, and collaborate with architects, developers, QA, business analysts, and end users. The role requires Python or Golang, RESTful services, asynchronous processing, data modeling, web technologies, databases, testing, cloud platforms, and professional experience using AI coding agents.

Leads complex software architecture, development, modernization, integrations, and production problem resolution. Establishes engineering standards and reusable patterns, provides technical direction across systems and teams, reviews designs, mentors engineers, influences roadmaps, and advises leadership on technical risks and tradeoffs. Requires deep Oracle E-Business Suite, PL/SQL, database programming, financial systems, banking integrations, and software development expertise.

Owns application architecture, shared frameworks, technical standards, and production code across backend, IoT, and customer-facing systems. Leads modernization from PHP to C#/.NET cloud-native services on Azure, including AKS, messaging, APIs, observability, and CI/CD. Provides technical mentorship and limited line management while partnering with PMO, infrastructure, and engineering leadership. Builds production agentic AI workflows using agent frameworks, RAG, tool calling, and MCP, with strong emphasis on reliability and governance.

Creates and maintains test plans, scripts, and reports; establishes test environments; performs regression testing; deploys software releases; tracks defects in JIRA; supports lottery gaming applications; maintains balancing procedures; and collaborates with systems and operations teams. The role is fully onsite in Middletown, Pennsylvania, and requires knowledge of Linux, SQL, Windows Active Directory, hardware, and operating systems.

Leads the design, development, integration, modernization, and support of enterprise healthcare applications and platforms. Develops SQL Server databases, healthcare EDI/X12 integrations, Azure APIs, and Python/Django applications. Provides technical leadership and mentorship, reviews architecture and code, resolves production issues, supports interoperability and automation, and coordinates deployments and operational support. Collaborates with stakeholders, vendors, and IT leadership while ensuring HIPAA, security, and regulatory compliance.

Develop and maintain complex full-stack web applications using React and Node.js. Lead software through the full SDLC, from requirements and system design through deployment and maintenance. Build accessible, performant client-side applications, micro-frontends, and services; integrate frontend and backend components; and ensure quality through continuous integration, code reviews, and automated testing. Collaborate with Product, UX, engineering teams, and healthcare-domain professionals using Agile delivery practices.

Develop and maintain complex full-stack web applications using React and Node.js. Collaborate with Product, UX, and engineering teams to deliver accessible, scalable, secure applications across monoliths, micro-frontends, and services. Lead work through the full SDLC, including requirements, system design, deployment, maintenance, code reviews, continuous integration, and automated testing.

Lead architecture and implementation of large-scale, carrier-grade distributed network software. Drive design, development, validation, deployment, and operational support; mentor engineers; troubleshoot production incidents; collaborate with QA, vendors, and partners; and monitor performance, scalability, and security.

Develop and deploy full-stack software for mission-critical space systems. Responsibilities include implementing features independently, writing unit and integration tests, participating in code reviews, troubleshooting applications, working with RESTful APIs and microservices, deploying to cloud platforms, supporting CI/CD pipelines, collaborating cross-functionally, and mentoring junior engineers.

Performs manual and automated software, hardware, and firmware testing across smoke, regression, integration, and end-to-end scenarios. Creates test plans, procedures, and cases; analyzes results; documents defects; reviews requirements and designs; collaborates with developers; and manages testing timelines and documentation. The role is full-time and on-site, with up to 25% customer travel.

Design and deliver secure, scalable cloud-native software in agile teams. Shape architecture and technical direction, establish engineering standards, mentor colleagues, collaborate directly with public-sector customers, and solve complex technical problems. The role requires hands-on development, modern engineering practices including CI/CD and DevSecOps, and experience with cloud, containers, and production systems in complex environments.

Design, develop, test, debug, and maintain production-quality software applications and cloud services. Make technical trade-offs involving scalability, reliability, performance, and security; build RESTful APIs; support customer issues; and work in continuous integration and deployment environments. Collaborate with architecture, product, and development teams, contribute to technical research and documentation, review designs and code, lead complex initiatives, and mentor junior developers.

Develop and operate core data platforms, improve frontend architecture, add functionalities to APIs, integrate data sources, and provide feedback to the team.

Associate Engineers will develop software applications, participate in Agile practices, and ensure data protection while adhering to coding standards.

Develop enterprise solutions using AWS, manage data workflows, mentor junior staff, and ensure secure coding practices while collaborating with various teams.

Build and enhance FinTech alternative-investment platforms across the full application stack. Develop Angular and backend solutions, REST APIs, and event-driven microservices using Node.js and related technologies. Participate in design meetings and Agile ceremonies, collaborate with product managers, testers, sales, support, and third-party API teams, and apply AI-assisted development workflows, system design, cybersecurity practices, TDD, and continuous delivery.

Design, build, test, and maintain cloud-native enterprise software and microservices on Azure. Integrate LLMs and RAG/GraphRAG solutions, apply AI frameworks and prompt engineering, use Kubernetes/Docker and CI/CD, work in Agile teams, mentor engineers, and support production incidents and architecture decisions.

Design, develop, and own full-stack digital applications using .NET and Angular. Lead partner integrations and insurance product capabilities, build secure cloud-native solutions on Microsoft Azure, and deliver reliable customer-facing experiences. Collaborate with product, design, and business stakeholders; mentor engineers; and promote engineering excellence through code reviews, automated testing, secure coding, and AI-assisted development tools.

Design, implement, and deploy real-time manipulation pipelines for multi-DOF arms on legged robots. Develop task and motion planning, grasping, control, and simulation workflows, debug across simulation and hardware, collaborate with cross-functional teams, and own performance from architecture through hardware validation.