Top Software Engineer Jobs in Philadelphia, PA

Senior individual contributor responsible for designing, building, integrating, testing, deploying, and supporting scalable digital solutions. Develops web, mobile, API, integration, microservice, automation, and AI-enabled capabilities using modern engineering practices. Partners with product, architecture, security, infrastructure, QA, and operations teams to resolve technical issues, support production releases, and improve solution quality. Provides developer guidance, prototypes emerging technologies, documents technical designs, and contributes to CI/CD, DevSecOps, testing, observability, and post-launch stabilization.

Leads the engineering team building Circle’s customer onboarding and lifecycle management platform. Responsibilities include developing scalable onboarding automation, customer lifecycle capabilities, partner-facing APIs and SDKs, compliance tools, and product-specific verification workflows. The role owns architecture, reliability, security, operational excellence, cross-functional delivery, hiring, coaching, and development of senior and staff engineers across risk, compliance, fraud, product, and engineering teams.

Leads full-stack software engineering projects and developer teams building cloud-based, distributed microservices and customer-facing systems. Responsibilities include designing service boundaries and APIs, using modern programming languages and databases, applying Docker, Kubernetes, and cloud technologies, improving system performance, reducing technical debt, establishing engineering standards, mentoring developers, and influencing long-term technology strategy.

Leads the design, development, testing, deployment, and production support of customer-facing full-stack applications using Java, Spring, microservices, REST APIs, and front-end technologies. Mentors engineers, conducts code reviews, coordinates releases across global teams, and drives Agile delivery. The role also applies generative AI, LLMs, RAG, and AI-assisted development tools to improve engineering productivity, quality, testing, troubleshooting, and customer experiences.

Develop and customize Guidewire applications supporting insurance policy, billing, and claims functions. Responsibilities include coding, configuration, integrations, testing, troubleshooting, requirements analysis, modernization support, client communication, workstream management, and mentoring junior developers. The role focuses on delivering software solutions across BillingCenter, ClaimCenter, and PolicyCenter while addressing complex technical and business challenges for insurance clients.

Manages software engineering teams responsible for internal systems and value-stream software delivery. Oversees people development, hiring, performance, team capacity, Agile ceremonies, backlog refinement, release readiness, and delivery schedules. Partners with Product Management to balance functional and non-functional priorities, leads continuous improvement and software culture initiatives, and manages engineering budgets. The role is onsite in Phoenixville, Pennsylvania, with 1–3 domestic or international trips annually.

Designs, implements, and deploys scalable software, cloud, identity, and platform solutions. Leads engineering projects, develops architectures and system improvements, resolves complex technical issues, documents designs, evaluates technology strategies, and mentors engineers. The role influences organization-wide technology and policy decisions while supporting highly available environments and improved operational efficiency.

Build and operate full-stack applications and AI-facing features for CoreWeave’s internal data platform. Responsibilities include developing TypeScript, React, Next.js, and Python services; designing APIs and relational data models; integrating analytical data platforms; deploying on Kubernetes; and owning production reliability, testing, observability, and on-call support. The role also involves collaborating with non-engineers to define processes, shipping LLM-backed applications, and evaluating AI output quality.

Design and implement C++ features for MongoDB’s replication infrastructure, improving availability, recovery, consistency, performance, and fault tolerance. Diagnose distributed-systems issues, develop comprehensive tests, collaborate across engineering teams, participate in design and code reviews, and mentor junior engineers. The role involves owning technical work from investigation through delivery and contributing to major MongoDB releases.

Build and maintain iOS features for Comcast's Home Security IoT products. Collaborate with product, backend, and device teams to deliver end-to-end solutions, contribute to app architecture, implement Spec-Driven Development UIs, integrate REST APIs, improve performance and reliability, and debug complex production/connectivity issues.