Top Software Engineer Jobs in Philadelphia, PA

Develop, test, deploy, maintain, and troubleshoot software applications and data platforms in cloud and distributed environments. Build backend systems, APIs, data pipelines, integrations, and testing frameworks while documenting architecture and deployment procedures. Collaborate with engineering, quality assurance, and business teams to deliver reliable solutions and resolve production issues.

Designs, develops, and delivers scalable, secure software solutions; resolves complex technical issues; optimizes performance and reliability; builds cloud-native systems; supports CI/CD, automation, containers, monitoring, and infrastructure provisioning. The role applies security and compliance best practices, manages technical integrations and evaluations, collaborates with stakeholders, reviews code, maintains documentation, mentors engineers, and drives continuous improvement.

Designs and develops enterprise-scale, cloud-native software platforms supporting resiliency intelligence, synthetic monitoring, automation, and operational intelligence. Builds APIs, integrations, event-driven architectures, AI-enabled agents, and automated validation capabilities. Partners with SREs, architects, product owners, and engineering teams; contributes to architecture, observability, reliability, testing, production support, code reviews, and mentoring.

Designs, develops, integrates, customizes, updates, and releases software applications. Responsibilities include requirements analysis, bug triage, complex troubleshooting, QA collaboration, technical mentoring, user training, and researching industry trends. The role requires independent judgment, punctual attendance, and flexibility to work nights, weekends, and variable schedules.

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.

Develop and deploy full-stack software for mission-critical space systems. Responsibilities include implementing features independently, writing unit and integration tests, participating in code reviews, troubleshooting applications, working with RESTful APIs and microservices, deploying to cloud platforms, supporting CI/CD pipelines, collaborating cross-functionally, and mentoring junior engineers.

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.

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, 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.

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.

Associate Engineers will develop software applications, participate in Agile practices, and ensure data protection while adhering to coding standards.

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

Design, build, and operate scalable backend integration services and APIs. Configure and manage Kong API Gateway via declarative YAML and CI/CD. Implement FHIR data facades, backend integrations (REST/gRPC/messaging), OpenAPI-driven lifecycle, automated testing, and secure service-to-service auth (OAuth2/OIDC). Deploy and operate containerized cloud services with observability and reliability patterns.

Design, build, and operate resilient distributed integration services and APIs using Java and Node.js. Manage Kong API gateway via declarative YAML and CI/CD, implement FHIR data facades, integrate with REST/gRPC/messaging systems, own API lifecycle (OpenAPI, tests, versioning), and apply security (OAuth2/OIDC, mTLS) and cloud/container ops (Docker/Kubernetes).

Designs, builds, tests, and maintains scalable Ruby on Rails applications, APIs, relational databases, integrations, and automated testing systems. Partners with product managers, project managers, business analysts, and engineering teams to deliver business-critical features. Supports application monitoring, performance optimization, on-call production operations, and emerging technology initiatives. The role is hybrid in Philadelphia and supports behavioral healthcare systems.

Design, develop, test, and deploy scalable Salesforce solutions and integrations (including MuleSoft). Perform Salesforce administration, support, troubleshooting, and performance monitoring. Mentor junior developers, collaborate with stakeholders, and drive continuous improvement and automation within the CRM environment.

Entry-level Software Engineer supporting design, development, testing, and maintenance of Java-based enterprise applications. Work with senior engineers, QA, and stakeholders to implement features, write unit tests, troubleshoot defects, follow Agile/SDLC practices, use source control and DevOps tools, and learn cloud/CI/CD and application support under guidance.

Build and maintain developer-facing tools and APIs for MongoDB Atlas and Compass. Work full-stack on customer-facing UIs and backend services, design scalable, highly available web applications, collaborate cross-functionally, troubleshoot distributed systems, and improve performance and developer experience.

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.

PowerPay seeks a Software Engineer to manage development tasks from requirements to deployment, focusing on backend services and AWS infrastructure. Responsibilities include writing Python and SQL, utilizing AI tools, maintaining data pipelines, and ensuring communication with stakeholders.

Lead AppOps Engineer responsible for end-to-end application runtime health and reliability. Own production reliability, incident response, release/change operations, observability, automation, capacity and DR planning, security-by-default, runbook and SOP development, and mentor AppOps engineers while partnering with Engineering, CloudOps, Security, and Compliance.

Design, implement, and lead medium-to-complex platform projects end-to-end. Make architectural decisions, build APIs and backend systems, ensure reliability, observability, and high availability; write automated tests; triage bugs; mentor junior engineers; collaborate with product, design, and customers; and drive continuous improvement initiatives.

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.