Top Software Engineer Jobs in Philadelphia, PA

Lead design, development, and maintenance of high-quality iOS applications using Swift and modern iOS frameworks. Architect mobile solutions, integrate RESTful APIs and backend services, ensure accessibility, security, and performance, implement automated testing and CI/CD, mentor junior engineers, conduct code reviews, collaborate with product/design/backend teams, deploy to the App Store, and support agile delivery practices.

Lead design, development, and maintenance of native Android applications using Kotlin and modern frameworks. Define architecture, implement features, integrate APIs, ensure accessibility, security, and performance, run CI/CD and automated tests, conduct code reviews, mentor developers, and collaborate with product, design, and backend teams to deliver production apps to Google Play.

The Senior Software Engineer will design, develop, and maintain software solutions, manage the entire development lifecycle, and collaborate with teams to enhance features and performance.

The Senior Software Engineer will design, develop, and maintain software solutions, managing the development lifecycle and ensuring high quality through testing. They will collaborate with teams and utilize agile methodologies.

The Software Engineer will design and develop scalable AI-driven solutions, focusing on Agentic AI systems and collaborating in an Agile environment.

The Senior Software Engineer will design, develop, and maintain software solutions, manage the software lifecycle, and ensure software quality through testing and collaboration with teams.

Design, develop, and maintain software solutions, manage the complete software development process, and collaborate with cross-functional teams to deliver high-quality features.

Drive full‑stack development of a SaaS EHR platform using Angular and .NET Core. Design and implement scalable APIs and services, influence architecture, own features from design through release, collaborate with engineering, and mentor junior developers to improve performance, reliability, and maintainability.

The Principal Engineer leads software development for optical networking products, mentors junior engineers, and supports pre and post-sales interactions. Requires expertise in embedded systems, C/C++, and networking protocols.

The Senior Backend Engineer at Perpay will design RESTful APIs, improve backend system reliability, and lead technical projects while mentoring team members. Collaboration with product stakeholders is essential for effective backend solutions.

The Staff Software Engineer will develop and support product features, enforce coding best practices, mentor junior engineers, and contribute to architectural decisions in a fintech environment.

Develop and maintain web applications using C#/.NET and APIs; help migrate apps to React/Next.js while supporting legacy MVC/AngularJS systems; build reports with Power BI/SSRS and query SQL databases; work with Azure-hosted apps, Azure DevOps CI/CD, Docker/ACR, and Power Platform; troubleshoot defects, participate in code reviews, and support Generative AI initiatives.

Build features on the City's headless CMS (Directus) and PhilaUI Vue.js frontend, migrate from WordPress, design APIs, write unit tests, review code, mentor engineers, collaborate with stakeholders, and support AWS-hosted infrastructure and city web platforms.

The Senior Software Engineer will design, develop, and implement software solutions for law enforcement, leading projects and mentoring junior engineers in a collaborative Agile Scrum environment.

The Software Engineer will develop Link's investment analytics platform, design application infrastructure, and work directly with business teams on solutions and feedback.

Hands-on technical lead responsible for designing, coding, and maintaining APIs, integrations, automations, and services across backend, frontend, data, and DevOps. Own end-to-end delivery, set technical standards, mentor offshore/nearshore developers, manage vendor integrations, and establish engineering processes, CI/CD, and SRE practices.

Senior backend-focused engineer responsible for designing, building, and supporting high-scale Java/Spring Boot microservices, driving CI/CD and DevOps practices, mentoring teammates, implementing automated tests, troubleshooting performance issues, and contributing to pipeline automation and continuous improvement.

As a Senior Software Engineer at Fiserv, you'll design and build high-scale backend services using Java and Spring Boot, lead technical initiatives, and implement CI/CD processes while ensuring software quality through testing and optimization.

The Sr. Software Engineer will develop and test applications using .NET and SQL, collaborate with teams, ensure quality practices, and maintain technical documentation. They will contribute to software design and process improvements while adapting to changing environments in payment systems.

Design, develop, and implement scalable, secure cloud solutions on Azure. Collaborate with architects and engineers to deliver infrastructure and data solutions, evaluate system architecture and risks, implement mitigation and secure development practices, support compliance and security activities, and maintain technical documentation.

As a Staff Software Engineer, you will design, build, and scale backend systems for a financial platform while providing technical leadership and collaborating cross-functionally.

Lead the design and architecture of software systems, mentor developers, and develop scalable applications using C#, React, and Azure. Emphasizes CI/CD and AI tools.

Lead the implementation of scalable features, develop technical requirements, collaborate across teams, and enhance product offerings at Perpay.

The Senior Software Engineer will focus on frontend technology, implement features, mentor engineers, and ensure quality user experiences, primarily using React.

Evaluate AI-generated coding interactions, assess quality of engineering judgments, provide feedback, and define standards for AI coding agents. Comfortable making subjective judgments about engineering quality.