Top Software Engineer Jobs in Philadelphia, PA

Build scalable, high-concurrency backend services in Go on AWS to integrate third-party IoT devices via cloud-to-cloud APIs and event-driven patterns. Design integrations handling auth/token lifecycles, rate limits, retries, idempotency, and state reconciliation. Support existing Java/Spring Boot platform during transition, participate in architecture discussions, improve observability and reliability, and own features end-to-end.

Lead cross-domain technical engagements across cloud, payments, observability, and ML. Provide hands-on architecture, prototypes, and code reviews; set technical direction; mentor engineers; build relationships with senior stakeholders; decompose ambiguous problems; ensure performance, scalability, operability, and security; and operate in a rapid SWAT-style model to unblock teams and transition work to long-term owners.

Lead architecture and implementation of large-scale, carrier-grade distributed network software. Drive design, development, validation, deployment, and operational support; mentor engineers; troubleshoot production incidents; collaborate with QA, vendors, and partners; and monitor performance, scalability, and security.

The role involves building, testing, and implementing features for a financial platform, collaborating with team members, and maintaining software applications in a fast-paced environment.

Participate in design, development, testing, debugging, and maintenance of software across front-end, back-end, middleware, integration, mobile, cloud, RPA, and AI/ML areas. Write specs, implement features and APIs, perform unit testing, follow SDLC and DevOps practices, troubleshoot production issues, and produce technical documentation and knowledge articles.

Design, implement, test, deploy, and support industrial process control software with AI integration. Own features end-to-end, apply disciplined engineering practices, collaborate with cross-functional teams, mentor engineers, and ensure reliability, performance, cybersecurity, and safety in production systems.

The role entails designing, developing, and maintaining software solutions, managing the software development lifecycle, and collaborating with teams to deliver quality software. Responsibilities include coding, troubleshooting, and optimizing system performance.

Design, develop, and maintain full‑stack web applications and cloud platforms. Build responsive front ends (React/Angular), secure .NET back ends, work with PostgreSQL/SQL Server, Docker, and AWS. Participate in architecture, code reviews, Agile ceremonies, troubleshooting, and improving engineering standards while collaborating with product, QA, and DevOps.

Design, build, deliver and maintain cloud, platform, and application software. Collaborate across teams, follow SDLC/Agile/CI practices, implement features, optimize performance, and apply data structures and algorithms.

Design and build software tooling, firmware, and infrastructure for semiconductor design, verification, manufacturing, and post-silicon validation. Develop drivers, BSPs, compute/cloud/HPC infrastructure, data pipelines, test orchestration, and debug tooling. Partner with hardware and EDA teams, optimize performance and scalability, produce documentation, and mentor junior engineers.

Design, build, and integrate robotics software across the full stack: sensor integration, perception, localization/SLAM, sensor fusion, motion planning, control, behavior systems, ROS/ROS2 integration, simulation, field testing, safety patterns, and documentation; mentor junior engineers and collaborate cross-functionally.

Lead technical delivery across short-term, high-priority engineering engagements: write production code, make architecture decisions, mentor small teams, ensure quality, and rapidly onboard to unfamiliar systems spanning full-stack, cloud/DevOps, SRE, and ML domains.

Develop software systems for autonomous underwater vehicles, focusing on hardware integration, performance validation, and system architecture for vehicle software stack.

Build and maintain back-end web applications, design and deploy microservices, integrate AI-driven features and AI-assisted tools, develop RESTful APIs, work with AWS services and CI/CD, troubleshoot across tiers, and collaborate within Agile teams.

Design and build a Go/AWS-first platform for scalable third-party device onboarding. Lead architecture for cloud-to-cloud API and event-driven integrations, implement high-concurrency backend services, ensure reliability and observability, support legacy Java platform during transition, own end-to-end delivery, and mentor the team.

As a Software Engineer at Oncora, you will develop and maintain our data platform, integrating various data sources, optimizing data infrastructure, and enhancing de-identification capabilities for machine learning and clinical research.

Design and develop complex software solutions for the FedNow service, leveraging cloud technologies, Java, and Agile methodologies, ensuring high-quality and timely infrastructure support.

The role involves deploying open-source LLMs and vector databases, implementing RAG pipelines, and ensuring security and governance in on-prem environments.

Join an agile delivery team to design, build and test secure, scalable software services using cloud-native technologies. Contribute to prototyping, code reviews, and customer collaboration while learning from experienced engineers and applying modern frameworks, containers, and CI/CD practices.

Design, build, and support Salesforce solutions using Apex and Lightning Web Components. Configure and customize Salesforce, integrate third-party tools, follow development lifecycle and best practices, mentor junior developers, commit code to Git, and advise government healthcare clients on modernization and platform improvements while meeting vetting requirements.

Leads software application development, from requirements and design to coding and testing, focusing on web applications using Next.js and ASP.NET Core.

Develop and operate core data platforms, improve frontend architecture, add functionalities to APIs, integrate data sources, and provide feedback to the team.

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

The role involves data collection for AI model training, managing cloud infrastructure, and collaborating with scientists to enhance data quality and processing.

The Associate Software Engineer supports design, development, and maintenance of applications and automation tools for the Philadelphia Department of Prisons, focusing on enhancing departmental operations.