Top Software Engineer Jobs in Philadelphia, PA

Build and launch unconventional, engineering-driven growth experiments for Bota by identifying ideal customers, creating prototypes, integrations, automations, open-source projects, and distribution mechanisms. Work directly with the CEO to take ideas from hypothesis through launch, measurement, iteration, and scale. The role focuses on rapid experimentation, software and AI leverage, measurable customer acquisition, and turning successful experiments into repeatable growth channels.

Own backend payment, wallet, ledger, reconciliation, fraud, and risk services handling real-money transactions. Design double-entry accounting systems, integrate payment processors and KYC/AML vendors, ensure exact-once posting and auditability, and support finance reporting through Snowflake and dbt. Partner with Finance, Compliance, and Trust & Safety while participating in on-call coverage for high-volume sports events.

Lead architecture and implement large cross-cutting initiatives on a SaaS grantmaking platform. Produce high-quality full‑stack code (Rails/React/Node), mentor engineers, drive SDLC best practices, and champion AI-assisted development while collaborating with product, infra, and QA teams.

Leads the design, development, integration, testing, deployment, and sustainment of secure software and automation for Federal Student Aid. Establishes DevSecOps, CI/CD, secure SDLC, Infrastructure as Code, automated testing, configuration management, and release practices. Coordinates multidisciplinary technical teams, integrates applications with APIs, cloud platforms, databases, and cybersecurity tools, drives vulnerability remediation, maintains technical documentation, and mentors engineering staff.

Deploy and customize Palantir Foundry and AIP solutions for enterprise clients. Responsibilities include conducting client workshops, building data pipelines and operational workflows with Python and TypeScript, solving complex technical problems, training end users, documenting solutions, and supporting project delivery. The role requires strong data engineering, communication, analytical, and problem-solving skills, along with recent Palantir experience and approximately 5% travel in Canada and the United States.

Lead the design, development, deployment, governance, and support of enterprise ServiceNow solutions. Drive technical strategy, DevOps workflows, architecture, automation, testing, upgrades, and platform improvements across global business sectors. Build generative and agentic AI capabilities using ServiceNow tools, integrations, workflows, and governance controls. Partner with architects, functional teams, customers, vendors, and executives to deliver secure, scalable solutions and resolve complex technical issues.

Provides technical leadership for enterprise-scale software supporting healthcare revenue cycle operations. Designs scalable applications, APIs, microservices, integrations, cloud-native solutions, and healthcare interoperability workflows using HL7, FHIR, and EDI/X12. Leads architecture, automation, security, performance, code reviews, troubleshooting, modernization, and technical strategy while collaborating with product, operations, analytics, infrastructure, and engineering teams.

Build and evolve OpenRouter’s public REST API, TypeScript and Python SDKs, Agent SDK, CLI, documentation, examples, and starter repositories. Own developer-facing product surfaces, improve API ergonomics and agent compatibility, and collaborate with DevRel, Product, and Platform teams to expand the developer ecosystem. The role requires strong API and SDK design judgment, autonomy, written communication, and experience shipping widely used developer products.

Build and support complex features across C#/.NET back-end services and React front ends. Responsibilities include technical design, API and data modeling, secure and tested coding, production troubleshooting, code reviews, mentoring, documentation, and improving engineering practices. Collaborate with Product, QA, DevOps, Technical Leads, and architecture teams while balancing delivery, maintainability, performance, accessibility, observability, and security.

Build and own a greenfield mobile application for iOS and Android, including architecture, features, security, accessibility, testing, telemetry, and App Store and Play Store releases. Use AI coding agents throughout development, establish CI/CD and rollout processes, solve secure fintech problems, and collaborate with Product, Design, and backend engineers. Mentor teammates and drive high-quality, reliable customer experiences.