Top Software Engineer Jobs in Philadelphia, PA

Design, develop, test, deploy, maintain, and debug software solutions. Create technical designs and documentation, propose solutions for complex business needs, and support release and integration activities while following SDLC and risk management practices.

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.

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

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.

As a Graduate Software Engineer, you'll assist in software design and development, write clean code, participate in Agile methodologies, and collaborate on innovative projects.

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.

As a Senior iOS Engineer at Speechify, you'll lead product decisions, ship production code, enhance app architecture, and focus on customer experience in a fast-paced startup environment.

Design, develop, and maintain backend APIs including payment and subscription systems, collaborate on B2B solutions, ensure performance and scalability.

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.

Senior .NET engineer responsible for application analysis, design, development, testing, debugging, and database management. Build and integrate REST/SOAP web services, web and mobile UI components, follow Agile/Scrum, document work, assign tasks, and support delivery under aggressive deadlines. Healthcare standards (HL7/X12) are a plus.

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.

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 Software Engineering Lead - Java oversees enterprise Java solutions, leading developers, collaborating with analysts, and ensuring code quality and operational support.

The Software Engineer III will design, develop, and maintain Java EE applications, collaborating with teams, conducting testing, and supporting deployment in a fast-paced environment.

The Software Engineer will design and develop software solutions for advanced Agentic AI capabilities, focusing on autonomy and multi-agent collaboration while managing the software development lifecycle in an Agile environment.

Develop and maintain Vertex tax compliance software across Linux/Windows/IBM i. Write automation in Python, Shell, and REXX; program in C/C++, Java, RPG, COBOL, and PL/SQL. Manage Git/GitHub and Jenkins-based CI/CD, deploy using AWS and Kubernetes, integrate ERP/HCM APIs, and perform automated testing with Selenium/Cypress. Apply tax domain expertise and AI tools such as Microsoft Copilot within a SAFe environment.

Develop full-stack web applications and services using Angular and ASP.NET Core. Build responsive front-ends, business logic, and data access layers; design and implement robust APIs, follow SOA and event-driven patterns, participate in architecture decisions, code reviews, and the full development lifecycle in an Agile team.

The Software Engineer, I will troubleshoot integration issues, refactor code, optimize applications, and collaborate on technical solutions for a healthcare platform.