Top Software Engineer Jobs in Philadelphia, PA

Build and ship full-stack software for CoreWeave’s internal data infrastructure and operational applications. Develop TypeScript, React, and Next.js frontends; Python services on Kubernetes; SQL queries and data models; and AI-enabled interfaces such as text-to-SQL tools, retrieval systems, and agents. Own scoped features through production, including testing and post-release fixes, while collaborating with senior engineers and internal users.

Participate in a 10-week IT internship supporting technical projects, coding assignments, software development, debugging, testing, documentation, and daily team collaboration. Build dashboards and reports for business stakeholders while learning development tools and pharmaceutical-industry technology practices. The role emphasizes front-end development using Angular, Bootstrap, HTML, CSS, JavaScript, TypeScript, SQL, and RESTful APIs, along with communication, teamwork, analytical problem-solving, organization, and project management skills.

Designs, develops, and implements automated test software and techniques for complex RF electronic assemblies and systems. Develops test applications for FPGA- and CPU-based systems, hardware interfaces, communication protocols, and RF test equipment. Supports integration, qualification, acceptance testing, product development, customer requirements, test procedures, and cross-functional engineering operations. Requires extensive test engineering and programming experience, RF measurement expertise, U.S. person eligibility, and the ability to obtain and maintain a security clearance.

Develop and maintain PI Asset Framework software and related services using .NET and C#. Responsibilities include backend service development, SQL queries and stored procedures, unit and integration testing, and WinForms/WPF user interface development. The role also requires Azure DevOps YAML pipeline experience, Agile practices, and use of AI-assisted coding tools such as GitHub Copilot or ChatGPT.

Develops and supports enterprise software and the Atlassian Jira platform. Responsibilities include writing and testing Java-based applications, troubleshooting production and integration issues, administering Jira configurations and automations, supporting cloud-native applications, and collaborating with development, DevOps, database, and technical operations teams. The role also involves platform upgrades, deployments, documentation, process improvements, and integration with source control, CI/CD, monitoring, and other enterprise tools.

Lead end-to-end device software architecture and firmware development for safety-critical energy products. Design metering, real-time control, secure communications, firmware updates, and integration systems. Lead safety certification, hardware-software co-design, board bring-up, debugging, CI/CD, and production scaling. Delegate well-defined workstreams while remaining hands-on with embedded code, system design, security, testing, and technical leadership.

Develop and maintain scalable .NET software through the full SDLC. Responsibilities include designing applications and APIs, contributing to microservices and cloud-native architecture, implementing DevOps and CI/CD practices, building automated tests, supporting observability and incident response, applying secure coding, and collaborating in Agile teams. The role is fully onsite in Warren, Michigan, Monday through Friday.

Develop and maintain scalable .NET software through the full SDLC. Responsibilities include building REST APIs and integrations, contributing to microservices and cloud-native architecture, applying DevOps and containerization practices, creating automated tests, supporting observability and incident response, implementing secure coding practices, and collaborating in Agile/Scrum teams. The role is fully onsite in Warren, Michigan.

Develop and maintain scalable .NET software throughout the SDLC. Responsibilities include designing RESTful integrations, contributing to microservices and event-driven architecture, implementing Azure cloud solutions, applying DevOps and containerization, building automated tests, monitoring applications, practicing secure coding, and collaborating within Agile teams. The position is fully onsite in Warren, Michigan, Monday through Friday.

Develop, test, and release customer-facing and internal software features. Write clean, maintainable, testable code; participate in design and code reviews; collaborate with product, design, data, analytics, and operations teams; and contribute to software architecture and engineering processes. This onsite new-graduate role emphasizes full-stack development, learning, communication, and rapid professional growth.

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.

Build and support highly available credit card APIs and Spring Boot microservices. Design RESTful and GraphQL integrations, implement Kafka streaming and analytics, and deploy applications with Docker, Jenkins, Kubernetes, and Rancher. Participate in agile software development, testing, production support, database development, and offshore coordination while promoting strong coding and software design practices.

Build and maintain backend services and metadata pipelines supporting data discovery, governance, and AI/ML workflows. Responsibilities include integrating relational databases, developing Java, Node.js, and Python services, optimizing distributed pipelines, implementing Terraform infrastructure, supporting GitLab CI/CD, and writing comprehensive tests. The role also involves troubleshooting scalability and reliability issues, designing asynchronous workflows, and collaborating on modern data lake, search, metadata, and LLM-enabled technologies.

Develops, customizes, tests, deploys, and supports Guidewire applications across the full stack. Responsibilities include Java/Gosu coding, SQL development, integrations, APIs, front-end and back-end systems, production support, release management, SDLC enforcement, testing, and technical guidance for junior and offshore developers. Requires on-call support for critical issues and project go-lives.

Lead the design, development, testing, and delivery of complex Java software solutions for government and national security customers. Build RESTful microservices, collaborate on frontend and backend systems, establish quality standards, conduct code reviews, explore new technologies, and mentor junior engineers. The role involves technical leadership, Agile delivery, DevOps, cloud infrastructure, and working onsite at client locations three to four days per week after obtaining security clearance.

Develops and supports Python- and .NET-based applications, APIs, automation tools, ETL processes, and cloud solutions. Responsibilities include software design, coding, testing, troubleshooting, production support, root cause analysis, data validation, and continuous improvement in an agile environment. The role uses AWS, databases, integration frameworks, CI/CD tools, distributed computing technologies, and scripting languages while collaborating with internal, offshore, and contract development teams.

Develops and supports Python- and .NET-based applications, APIs, automation solutions, ETL processes, and operational tools. Responsibilities include software design, coding, testing, documentation, cloud and data integration development, production support, root cause analysis, defect remediation, data validation, and continuous improvement. The role works collaboratively in an agile environment with developers and product owners and uses AWS, databases, APIs, distributed computing, and CI/CD technologies.

Design, develop, test, and maintain full-stack software applications for a secure financial-services compliance platform. Responsibilities include building database objects and data pipelines, optimizing performance across application layers, developing server-side web features, testing and debugging, participating in code reviews and agile ceremonies, documenting systems, and following secure coding and regulatory compliance practices.

Design, architect, build, and deliver core identity and access management services for MongoDB Atlas. Lead complex technical projects from specification through delivery, improve engineering practices and code quality, define priorities, and mentor team members. The role focuses on authentication, authorization, backend systems, and secure customer-facing IAM features while supporting FedRAMP requirements.

Develop and maintain scalable full-stack applications using ReactJS, Java Spring Boot APIs, Microsoft SQL Server, and IIS. Build responsive front-end experiences, optimize backend services and database queries, and translate business requirements into technical solutions. Collaborate with product managers, QA, UX, DevOps, vendors, and engineering teams to deliver reliable, maintainable software supporting oncology pathways and clinical workflows.

Develop and maintain scalable full-stack applications using ReactJS and Java Spring Boot APIs. Build RESTful backend services, optimize Microsoft SQL Server queries and schemas, and ensure application performance, reliability, and data integrity. Translate business requirements into technical solutions, write maintainable code, and collaborate with product, QA, UX, DevOps, vendors, and engineering teams within an agile software development environment.

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.

Design, develop, test, release, and maintain scalable full-stack SaaS applications, backend services, APIs, integrations, and data-access components. Guide architecture and technical decisions, troubleshoot production issues, apply AI-assisted development tools responsibly, and collaborate across engineering, product, QA, UX, security, and compliance. Mentor developers and contribute throughout the software development lifecycle.