Top Senior Software Engineer Jobs in Philadelphia, PA

Develop and support corporate tax workstation products using .NET, C#, Dynamics 365, Power Automate, ASP.NET, and SQL Server. Responsibilities include technical design, coding, testing, troubleshooting, deployment, performance and security improvements, documentation, code reviews, and mentoring developers. The role collaborates with stakeholders and international teams to deliver reliable solutions on schedule.

Designs and deploys enterprise-scale software, AI-powered data solutions, cloud databases, and automated ETL/ELT pipelines. Builds distributed data platforms using Spark, Scala, Python, and Java; develops SQL procedures; manages Azure data technologies; and implements CI/CD, DevOps automation, testing, performance tuning, and code reviews. Collaborates with engineering and architecture teams in an agile cloud environment while applying responsible AI practices.

Design, develop, and deliver enterprise applications for Fortune 500 clients. Lead small engineering teams, mentor junior developers, manage projects across the software development lifecycle, gather requirements, architect solutions, code, test, and deliver products. Collaborate with clients, present technical solutions, use cloud and modern software technologies, and apply AI strategically. The role operates in a hybrid model and emphasizes consulting, continuous learning, and technical leadership.

Leads software design, development, verification, validation, testing, and field support for PC, mobile, firmware, and medical-device applications. Ensures compliance with FDA, ISO, and IEC 62304 requirements while applying modern architecture, TDD, CI/CD, and automated testing practices. Collaborates with UX, product, and QA teams, contributes to technical and architectural decisions, mentors engineers, and helps deliver Class III medical-device software from concept through manufacturing and deployment.

Leads complex software architecture, development, modernization, integrations, and production problem resolution. Establishes engineering standards and reusable patterns, provides technical direction across systems and teams, reviews designs, mentors engineers, influences roadmaps, and advises leadership on technical risks and tradeoffs. Requires deep Oracle E-Business Suite, PL/SQL, database programming, financial systems, banking integrations, and software development expertise.

Leads the design, development, integration, modernization, and support of enterprise healthcare applications and platforms. Develops SQL Server databases, healthcare EDI/X12 integrations, Azure APIs, and Python/Django applications. Provides technical leadership and mentorship, reviews architecture and code, resolves production issues, supports interoperability and automation, and coordinates deployments and operational support. Collaborates with stakeholders, vendors, and IT leadership while ensuring HIPAA, security, and regulatory compliance.

Develop and maintain complex full-stack web applications using React and Node.js. Lead software through the full SDLC, from requirements and system design through deployment and maintenance. Build accessible, performant client-side applications, micro-frontends, and services; integrate frontend and backend components; and ensure quality through continuous integration, code reviews, and automated testing. Collaborate with Product, UX, engineering teams, and healthcare-domain professionals using Agile delivery practices.

Develop and maintain complex full-stack web applications using React and Node.js. Collaborate with Product, UX, and engineering teams to deliver accessible, scalable, secure applications across monoliths, micro-frontends, and services. Lead work through the full SDLC, including requirements, system design, deployment, maintenance, code reviews, continuous integration, and automated testing.

Designs, develops, tests, implements, and supports enterprise applications and services. Partners with stakeholders, product owners, architects, vendors, and distributed engineering teams to deliver scalable, secure solutions. Responsibilities include technical analysis, architecture discussions, API and systems integration, production troubleshooting, solution evaluation, technical presentations, and mentoring engineers. The role also contributes to modernization, cloud migration, continuous improvement, and agile delivery.

Design and deliver secure, scalable cloud-native software in agile teams. Shape architecture and technical direction, establish engineering standards, mentor colleagues, collaborate directly with public-sector customers, and solve complex technical problems. The role requires hands-on development, modern engineering practices including CI/CD and DevSecOps, and experience with cloud, containers, and production systems in complex environments.

Design, develop, test, debug, and maintain production-quality software applications and cloud services. Make technical trade-offs involving scalability, reliability, performance, and security; build RESTful APIs; support customer issues; and work in continuous integration and deployment environments. Collaborate with architecture, product, and development teams, contribute to technical research and documentation, review designs and code, lead complex initiatives, and mentor junior developers.

Develop enterprise solutions using AWS, manage data workflows, mentor junior staff, and ensure secure coding practices while collaborating with various teams.

Build and enhance FinTech alternative-investment platforms across the full application stack. Develop Angular and backend solutions, REST APIs, and event-driven microservices using Node.js and related technologies. Participate in design meetings and Agile ceremonies, collaborate with product managers, testers, sales, support, and third-party API teams, and apply AI-assisted development workflows, system design, cybersecurity practices, TDD, and continuous delivery.

Design, build, test, and maintain cloud-native enterprise software and microservices on Azure. Integrate LLMs and RAG/GraphRAG solutions, apply AI frameworks and prompt engineering, use Kubernetes/Docker and CI/CD, work in Agile teams, mentor engineers, and support production incidents and architecture decisions.

Design, develop, and own full-stack digital applications using .NET and Angular. Lead partner integrations and insurance product capabilities, build secure cloud-native solutions on Microsoft Azure, and deliver reliable customer-facing experiences. Collaborate with product, design, and business stakeholders; mentor engineers; and promote engineering excellence through code reviews, automated testing, secure coding, and AI-assisted development tools.

Design, implement, and deploy real-time manipulation pipelines for multi-DOF arms on legged robots. Develop task and motion planning, grasping, control, and simulation workflows, debug across simulation and hardware, collaborate with cross-functional teams, and own performance from architecture through hardware validation.

Design, implement, and optimize SLAM, localization, and computer vision pipelines for real robots. Fuse multi-sensor data (cameras, IMUs, lidars), build estimation algorithms, evaluate performance on real-world data, and produce production-quality, well-tested code integrated with ROS/ROS2. Collaborate with controls and planning teams and contribute to datasets, tooling, and evaluation frameworks.

Senior-level developer responsible for designing, developing, and maintaining Microsoft/Oracle-based applications. Work on a Scrum team to plan designs, review requirements, and deliver software using VB.NET, C#, ASP.NET, WinForms, WCF, jQuery, and AJAX. Expected to apply Agile/Scrum practices and collaborate with peers, IT management, and end-users.

Lead design and build of a Python-based rating platform and pricing services. Architect extensible rating engines, establish engineering and testing standards, integrate third‑party data and predictive models, and provide hands-on technical leadership and squad coordination across actuarial, product, and implementation teams to operationalize filed rating plans.

Lead modernization of legacy medical logistics applications into secure, scalable DevSecOps solutions. Responsibilities include defining enterprise software architecture, migration strategies, microservices patterns, CI/CD pipelines, Azure cloud architectures, security guardrails, and domain-driven designs. The role provides hands-on development, technical mentorship, architecture reviews, and alignment with SAFe, DoD DevSecOps, Iron Bank, and DoDAF practices while supporting government medical supply chain operations.

Develop multithreaded C/C++ application software for embedded Linux platforms, primarily for cable TV set-top boxes. Collaborate with distributed teams, apply embedded systems expertise, and deliver solutions aligned with cable industry standards.

Design, develop, and maintain software solutions, manage the complete software development process, and collaborate with cross-functional teams to deliver high-quality features.

The Software Engineer will design and develop software solutions for advanced Agentic AI capabilities, focusing on autonomy and multi-agent collaboration while managing the software development lifecycle in an Agile environment.

As a Staff Software Engineer, you will design, build, and scale backend systems for a financial platform while providing technical leadership and collaborating cross-functionally.

Lead the design and architecture of software systems, mentor developers, and develop scalable applications using C#, React, and Azure. Emphasizes CI/CD and AI tools.