Top Software Engineer Jobs in Philadelphia, PA

Build and maintain full-stack systems for a global monitoring application supporting federal partners and satellite data access. Responsibilities include designing scalable backend services and frontend applications, improving architecture and infrastructure, integrating complex customer requirements, and owning mission-system quality and availability. The role requires collaboration across teams throughout the engineering lifecycle and experience with cloud infrastructure, observability, geospatial data, and complex integrations.

Supports software engineering, AI, and data science projects in AWS. Assists with troubleshooting hardware, software, and network issues; system updates; installations; configurations; testing; employee technical support; documentation; and system logging. Collaborates with development and security teams while gaining mentorship and practical experience in IT support and administration.

Design, develop, and implement OneStream financial management solutions: data integrations, cubes, workflows, dashboards, business rules. Gather requirements, support testing and UAT, deliver training, and collaborate with technical and functional teams to meet financial reporting needs in a federal environment.

Design, build, test, deploy, and support scalable backend applications across the full software development lifecycle. Collaborate with product, UX, nutrition, vendors, and business stakeholders to define solutions and interfaces. Solve complex architectural problems, refactor code, mentor engineers, communicate technical direction, and develop distributed systems using cloud, big-data, and backend technologies.

Develop, maintain, migrate, and secure client websites, primarily using WordPress. Build front-end interfaces and PHP backends, manage ecommerce platforms, implement automations and integrations, optimize SEO and analytics, and provide ongoing technical support. The role requires managing multiple client projects, communicating technical information clearly, documenting work, and collaborating with designers and other contractors.

Build and deploy customer-specific AI agent capabilities as a Forward-Deployed Engineer. Responsibilities include prompt and software development, RAG and tool integrations, evaluation suites, speech assets, latency optimization, production deployment, customer discovery, and ongoing tuning. The role requires translating domain needs into versioned, tested, reusable engineering artifacts while collaborating with customer teams and contributing proven patterns back to the platform foundation.

Develop data conversion code to migrate clients to TaxSys using Perl, SQL, Linux, MySQL, and a proprietary parallel-computing framework. Debug and resolve client data issues, collaborate with data analysts and clients, validate converted data, and support agile teams through successful go-live. Occasional on-site travel is required.

Develop, test, debug, and maintain game software for console, PC, and mobile platforms. Collaborate with artists, designers, and engineers to define and implement features, deliver systems to specification, provide ongoing technical support, and balance scope, quality, and development pace.

Own and enhance Infisical’s website by building pixel-perfect, reusable frontend components, core pages, microsites, and frontend architecture. Integrate CMS, analytics, attribution, and marketing tools while implementing SEO, A/B testing, accessibility, performance, and conversion optimization. Collaborate with engineering, design, marketing, and company leadership to create a high-quality website that drives organic traffic and user adoption.

Administer and govern PDM/PLM systems (Autodesk Vault, SolidWorks PDM, PTC Windchill). Ensure engineering data integrity, BOM and item/master alignment, troubleshoot multi-CAD issues, support upgrades, migrations, and governance activities, and collaborate with engineering, IT, manufacturing, and business stakeholders.