Top Software Engineer Jobs in Philadelphia, PA

Lead global engineering for Gym, Studio, and Enterprise products, driving technical strategy, platform modernization, reliability, and AI-enabled SDLC adoption. Build and develop engineering leaders, improve delivery predictability, observability, security, and operational excellence, and partner with product and business stakeholders to deliver measurable customer and business outcomes across distributed teams.

Lead design and development of full‑stack banking and investment systems using TypeScript, React, Node and GraphQL. Collaborate with cross‑functional teams, architect scalable solutions, own the product lifecycle, ensure observability and performance, troubleshoot vendor integrations, and mentor teammates to deliver reliable financial products.

Lead design and development of live-virtual-constructive (LVC) simulation integrations for multi-agent tactical AI. Build interfaces, scenarios, and adapters; use C++ and Python; integrate defense M&S tools and communication protocols; mentor engineers; contribute to CI/CD, testing, and security compliance.

Modernize a legacy, mission-critical system by implementing backend domain services in TypeScript/Node.js, extracting business rules from legacy Java/PL/SQL, ensuring financial-grade correctness and auditability, delivering full-stack vertical slices (React to AWS CDK), using AI-agent development tools, and maintaining CI/CD with automated testing.

Design, configure, develop, and implement custom ServiceNow applications and enhancements. Provide architectural guidance, script Business Rules/Client Scripts/Script Includes/ACLs, support multi-instance environments, troubleshoot performance, collaborate with stakeholders using Agile/Scrum, and support rollout and maintenance of the ServiceNow platform.

Build and maintain member- and host-facing features across web and mobile. Design scalable front-end architectures, ship React/Next.js and React Native/Expo apps, use AI tooling, own features end-to-end, collaborate with product and cross-functional teams, and contribute to testing and production readiness.

Lead design and implement scalable backend systems using Node.js, build RESTful APIs, design SQL schemas, optimize performance, mentor engineers, deploy on Azure, and maintain CI/CD, security, and observability.

Lead design and delivery of Zoom's global web platform: architect a scalable, CDN-delivered AWS/Azure stack, manage large CMS migrations (Optimizely, WordPress), optimize Core Web Vitals and performance, ensure SEO/AEO and AI-search readiness, implement observability and CI/CD, enforce security and accessibility, and guide cross-functional teams to deliver high-traffic, multi-domain web experiences.

Design, build, and maintain scalable backend services in C#/.NET powering payment routing, connector management, and platform configuration. Build secure, observable APIs and high-volume transaction processing systems, collaborate across Product/AI/Engineering, mentor junior engineers, drive architecture and standards, and own full lifecycle from requirements to deployment.

Develop and maintain scalable Node.js/JavaScript services on AWS (Lambda, Fargate), build and monitor RESTful APIs, manage data in S3, contribute infrastructure-as-code (CloudFormation/CDK), and support integrations with Salesforce (LWC, Apex). Collaborate with senior engineers and product managers, improve systems, and document work.