Top Software Engineer Jobs in Philadelphia, PA

Lead AppOps Engineer responsible for end-to-end application runtime health and reliability. Own production reliability, incident response, release/change operations, observability, automation, capacity and DR planning, security-by-default, runbook and SOP development, and mentor AppOps engineers while partnering with Engineering, CloudOps, Security, and Compliance.

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, build, and operate resilient distributed integration services and APIs using Java and Node.js. Manage Kong API gateway via declarative YAML and CI/CD, implement FHIR data facades, integrate with REST/gRPC/messaging systems, own API lifecycle (OpenAPI, tests, versioning), and apply security (OAuth2/OIDC, mTLS) and cloud/container ops (Docker/Kubernetes).

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.

Design, develop, test, debug, and deliver software applications while making technical trade-offs for scalability and performance. Provide technical/customer support, document implementations, collaborate on priorities, review code, mentor junior developers, and follow team processes and best practices.

Design, build, and operate scalable backend integration services and APIs. Configure and manage Kong API Gateway via declarative YAML and CI/CD. Implement FHIR data facades, backend integrations (REST/gRPC/messaging), OpenAPI-driven lifecycle, automated testing, and secure service-to-service auth (OAuth2/OIDC). Deploy and operate containerized cloud services with observability and reliability patterns.

PowerPay seeks a Software Engineer to manage development tasks from requirements to deployment, focusing on backend services and AWS infrastructure. Responsibilities include writing Python and SQL, utilizing AI tools, maintaining data pipelines, and ensuring communication with stakeholders.

Design, develop, test, and maintain software features across the SDLC. Collaborate with cross-functional teams, lead module coding, troubleshoot issues, participate in code reviews, and contribute to architecture decisions.

Design, develop, test, and debug scalable software systems; make technical trade-offs; build microservices; work with SQL/NoSQL and cloud platforms; mentor junior developers; provide technical support and participate in recruiting and documentation.

Design, implement, and optimize SLAM, localization, and computer vision pipelines for real robots. Fuse multi-sensor data (cameras, IMUs, lidars), build estimation algorithms, evaluate performance on real-world data, and produce production-quality, well-tested code integrated with ROS/ROS2. Collaborate with controls and planning teams and contribute to datasets, tooling, and evaluation frameworks.

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.

Senior-level developer responsible for designing, developing, and maintaining Microsoft/Oracle-based applications. Work on a Scrum team to plan designs, review requirements, and deliver software using VB.NET, C#, ASP.NET, WinForms, WCF, jQuery, and AJAX. Expected to apply Agile/Scrum practices and collaborate with peers, IT management, and end-users.

Lead design and build of a Python-based rating platform and pricing services. Architect extensible rating engines, establish engineering and testing standards, integrate third‑party data and predictive models, and provide hands-on technical leadership and squad coordination across actuarial, product, and implementation teams to operationalize filed rating plans.

Develop, test, integrate, and maintain .NET/C# web applications supporting NAVSUP logistics. Design system interfaces and databases, implement secure REST APIs, perform unit/integration testing, manage source control, troubleshoot issues, and collaborate with stakeholders in an Agile environment.

Design, build, and maintain scalable backend services in Node.js/TypeScript. Collaborate with product and engineering teams, resolve production issues, contribute to architecture and testing, and improve system reliability and code quality across microservices and hardware-integrated systems.

Develop, test, and maintain scalable applications and microservices while architecting and operating cloud infrastructure. Design Kubernetes clusters and use Helm/Argo CD for deployments, build automated CI/CD pipelines, write Python/Bash scripts and IaC, and collaborate cross-functionally to troubleshoot application and infrastructure issues.

Design, develop, and maintain backend services and APIs for loan origination and servicing. Build middleware, database schemas, and automated tests; troubleshoot integration and performance issues; ensure security and data privacy; collaborate with cross-functional teams and participate in agile planning and reviews.

Develop multithreaded C/C++ application software for embedded Linux platforms, primarily for cable TV set-top boxes. Collaborate with distributed teams, apply embedded systems expertise, and deliver solutions aligned with cable industry standards.

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.

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.