Top Software Engineer Jobs in Philadelphia, PA

Design, implement, test, and modernize backend services and integrations (TypeScript/Node.js and C++). Lead large projects, write technical specifications and API contracts, enforce coding standards, coach engineers, and drive legacy-to-modern migrations within online banking and core systems.

Lead LaunchDarkly’s Data Platform engineering team, overseeing high-throughput ingestion, streaming and batch pipelines, analytical data stores, reliability, observability, incident response, and operational excellence. Partner with product and engineering teams on roadmap planning, technical tradeoffs, and delivery. Coach engineers, manage performance and career growth, establish collaborative team practices, and participate in hiring.

Leads a senior engineering team responsible for 35+ SDKs, OpenFeature providers, event-streaming libraries, contract tests, release tooling, and the Relay Proxy. Owns portfolio prioritization, roadmap delivery, compatibility and deprecation decisions, release quality, observability, incident response, customer communication, hiring, and career development. Partners with Product Management and cross-functional stakeholders to deliver performant, resilient, developer-facing software across multiple languages and platforms.

Lead and develop high-performing engineering teams responsible for core services and systems. Focus on people management, coaching, hiring, team performance, strategic execution, technical direction, and cross-functional collaboration rather than hands-on coding. Drive software development lifecycle outcomes, architectural quality, operational excellence, risk mitigation, and sustainable delivery while navigating ambiguity and organizational change. The role is remote and requires approximately 10–20% business travel.

Lead the architecture, development, delivery, monitoring, and optimization of large-scale Yahoo Mail web products. Use AI-assisted tools to accelerate engineering while validating code quality, security, accessibility, performance, and reliability. Mentor engineers, establish AI-first development practices, conduct code reviews, collaborate with product and UX teams, and solve complex web engineering challenges affecting millions of users.

Designs, develops, tests, debugs, and maintains scalable software applications using C#, .NET, Angular, and SQL Server. Collaborates with business analysts, product owners, QA, and development teams to translate requirements into solutions. Participates in code reviews, integration, deployment, documentation, Agile ceremonies, secure coding practices, defect resolution, and project estimation.

Develops and deploys workflow automation, business applications, integrations, forms, and technical tools using SharePoint and Microsoft Power Platform. Translates operational requirements into technical designs, configures and tests solutions, troubleshoots issues, supports user acceptance, and documents implementations. Work is performed in government-managed environments under oversight and requires production deployment approval. The role also supports workflow optimization and collaboration with analysts, engineers, and system owners.

Develops, modernizes, and maintains SharePoint, Internet, and Intranet websites for VA stakeholders and Veterans. Responsibilities include website assessments, templates, mockups, access permissions, coding, Section 508 compliance, content governance, SEO, performance reporting, documentation, and knowledge transfer. The role also supports federal web standards, VA security policies, and transition of website maintenance to government personnel.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Design, develop, test, implement, maintain, and support custom web applications focused on authentication, authorization, and identity products. Build new capabilities, improve existing systems, automate product functionality, contribute to unit, functional, integration, and end-to-end testing, and support software platforms in lab and QA environments.

Paid technology internship providing exposure to enterprise systems, data management, infrastructure, digital technologies, security, networking, web technologies, and business applications. Interns may contribute across areas including enterprise architecture, corporate systems, quality and vendor management, retirement services, wealth management, and employee benefits. The role seeks students with technical coursework, analytical ability, communication skills, collaboration, and eagerness to learn.

Senior Software Engineer responsible for designing enterprise .NET applications, developing ETL processes, managing relational databases and data warehouses, optimizing performance, and supporting data integration and reporting. The role includes mentoring engineers, conducting code reviews, collaborating with stakeholders, translating requirements into technical solutions, and contributing to agile planning and continuous improvement.