Top Software Engineer Jobs in Philadelphia, PA

Work across the full stack on Higharcs Estimate product: optimize queries, build React UI components and frontend state, write e2e tests, integrate external APIs, and occasionally work with CAD/geometry. Own projects end-to-end, maintain code quality through tests and reviews, and collaborate cross-functionally to deliver high-impact features.

The Senior Software Engineer will develop a new Managed Service Provider solution for mobile security, focusing on feature development and complex projects, guiding initiatives from design to deployment.

The Senior Salesforce Developer will lead the Salesforce platform's technical health, focusing on quote-to-cash workflows and revenue operations while managing integrations and system migrations.

Senior Node.js engineer responsible for building and maintaining scalable backend Node/TypeScript microservices, supporting UI work in React/Angular, designing APIs, implementing CI/testing, working with containerization and cloud infrastructure, and advising stakeholders on technical trade-offs and feature engineering.

Lead and own the technical systems and teams that run operations, redesign GTM architecture for AI, manage managers and ICs, drive company-wide AI-native capabilities, and personally deliver high-priority technical initiatives that improve business outcomes.

Build and evolve a large-scale search and reporting platform: design and implement streaming data pipelines, improve search relevancy and indexing, scale systems 10x, control costs, ensure production readiness (testing, monitoring, reliability), support escalations, and collaborate on architecture, code reviews, and hiring.

Lead the development of high-performance software systems, mentor junior engineers, and contribute to technology strategy while ensuring scalable and maintainable solutions.

Founding iOS Engineer to build the app's core intelligence layer. Must implement production CallKit and on-device continuous Speech Framework recognition, integrate with SwiftUI/CoreData, and optionally add Dynamic Island Live Activity via WidgetKit. Equity-only founding role; product details under NDA.

Drive technical direction and architecture across teams for enterprise retail software. Improve platform reliability and performance, scope customer-facing features, mentor engineers, de-risk large work, and embed AI-native practices (LLMs/agents) into engineering workflows.

Design, develop, and maintain Appian low-code applications; implement features from backlog; unit test and peer-review code; collaborate with functional, testing, and Agile teams; estimate sprint work; present demos; mentor junior developers and share best practices.