Top Software Engineer Jobs in Philadelphia, PA

Build scalable, high-concurrency backend services in Go on AWS to integrate third-party IoT devices via cloud-to-cloud APIs and event-driven patterns. Design integrations handling auth/token lifecycles, rate limits, retries, idempotency, and state reconciliation. Support existing Java/Spring Boot platform during transition, participate in architecture discussions, improve observability and reliability, and own features end-to-end.

The Software Engineer Lead manages Java development and application support, mentors team members, and ensures project delivery in an Agile environment. The role includes API development, database integration, and technical documentation.

Lead cross-domain technical engagements across cloud, payments, observability, and ML. Provide hands-on architecture, prototypes, and code reviews; set technical direction; mentor engineers; build relationships with senior stakeholders; decompose ambiguous problems; ensure performance, scalability, operability, and security; and operate in a rapid SWAT-style model to unblock teams and transition work to long-term owners.

Design and build a Go/AWS-first platform for scalable third-party device onboarding. Lead architecture for cloud-to-cloud API and event-driven integrations, implement high-concurrency backend services, ensure reliability and observability, support legacy Java platform during transition, own end-to-end delivery, and mentor the team.

Design and develop complex software solutions for the FedNow service, leveraging cloud technologies, Java, and Agile methodologies, ensuring high-quality and timely infrastructure support.

Support program-level software quality engineering for BDS Vertical Lift: define processes, perform audits, plan/verify test activities, ensure test integrity, manage supplier software performance, support configuration management, drive corrective actions, and report quality metrics to reduce risk and improve software quality.

Leads software application development, from requirements and design to coding and testing, focusing on web applications using Next.js and ASP.NET Core.

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

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

The role involves data collection for AI model training, managing cloud infrastructure, and collaborating with scientists to enhance data quality and processing.

The Associate Software Engineer will support data management, system integrations, and automation tasks involving SQL and APIs, collaborating with senior engineers and maintaining operational efficiency.

The Associate Software Engineer supports design, development, and maintenance of applications and automation tools for the Philadelphia Department of Prisons, focusing on enhancing departmental operations.

Design, develop, and maintain software solutions. Responsibilities include full-stack development, microservices architecture, CI/CD implementation, and data management.

Design, implement, and lead medium-to-complex platform projects end-to-end. Make architectural decisions, build APIs and backend systems, ensure reliability, observability, and high availability; write automated tests; triage bugs; mentor junior engineers; collaborate with product, design, and customers; and drive continuous improvement initiatives.

Design, develop, and maintain backend services and RESTful APIs for the Oseries product. Manage authentication (OAuth/JWT), cloud and on-prem environments, data configurations, reporting, and CI/CD reliability. Write SQL, unit/integration tests (JUnit5, Mockito), troubleshoot production/QA issues, and support deployments and automation (AWS Lambda, GitHub Actions). Participate in Agile ceremonies and use Postman, Swagger, and Jira for testing and delivery.

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, 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, 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 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).

Design and develop embedded firmware for Honeywell SmartLine industrial transmitters. Lead architecture, coding (C), unit/integration testing, certification alignment, root-cause analysis, and mentor junior engineers. Collaborate with global teams, test, manufacturing, and standards bodies to deliver compliant, production-ready products.

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 and develop complex applications and microservices, configure Kubernetes clusters, optimize CI/CD pipelines, and troubleshoot application bugs and infrastructure issues.

Join an agile team to design and develop secure software services for public sector organizations, focusing on learning and collaboration.

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.