Top Remote Software Engineer Jobs in Philadelphia, PA

Build and maintain scalable full-stack web applications using PHP, Laravel, React, Next.js, SQL, and related technologies. Own features from design through deployment and monitoring, develop APIs, optimize databases and legacy systems, troubleshoot performance issues, and contribute to code quality, security, and engineering practices. Collaborate cross-functionally in an agile, continuous-deployment environment while using AI-assisted tools responsibly.

Build and lead development of high-availability backend services for Affirm’s card loan platform. Design scalable APIs, data models, microservices, and event-driven systems supporting real-time loan attribution, approvals, origination, and refunds. Drive technical strategy, troubleshoot complex performance issues, collaborate with cross-functional teams, and mentor engineers while ensuring long-term system robustness and scalability.

Own Headway’s cloud platform and infrastructure engineering strategy. Lead deployment isolation, container orchestration, AWS networking and compute, autoscaling, capacity planning, Terraform self-service infrastructure, cloud cost attribution, and Python runtime performance. Build reliable paved-road tooling that enables engineering teams to deploy safely and independently while improving scalability, observability, and operational resilience.

Build Doowii’s conversational analytics platform across frontend, backend, data interaction, and infrastructure. Responsibilities include creating data-query interfaces, developing APIs, integrating AI-driven features, optimizing query and storage performance, managing AWS and GCP systems, designing data models, and maintaining ingestion pipelines involving NiFi, Kafka, Iceberg, and BigQuery. The role also involves model evaluation, schema evolution, change data capture, high-throughput streaming, automation, and rapid startup iteration.

Lead end-to-end development of modern frontend initiatives using React and Electron. Design scalable architecture, improve performance and test coverage, resolve production issues, influence technical decisions, and collaborate with Product, Design, and Backend teams. The role includes mentoring engineers, maintaining code quality, supporting observability and incident response, and building secure, high-quality customer-facing payment and form workflows.

Build Python backend services and data-intensive systems supporting member identity, eligibility, billing, partner integrations, reporting, and analytics. Design APIs, asynchronous workflows, and data pipelines; validate, reconcile, retry, replay, and recover inconsistent external data. Improve production reliability, observability, testing, and performance while collaborating with Engineering, Product, and Operations. The role offers growth toward independent ownership of services and technical decisions.

Build and scale high-throughput streaming infrastructure that ingests, forwards, and computes on billions of behavioral events in real time. Own projects end to end, solve customer scaling challenges, and influence the technical roadmap. The role focuses on distributed systems capable of processing millions of messages per second with very low latency, supporting real-time personalization and AI-driven marketing products.

Build enterprise control-plane products for managing Hightouch deployments at scale. Responsibilities include developing roles, permissions, and access control; creating change-management tools for evolving data models and warehouses; and helping customers understand and optimize warehouse performance and costs. The role requires backend and distributed-systems architecture, asynchronous workflows, scalability, reliability, product thinking, and engagement with product specifications.

Design, build, and optimize distributed systems powering large-scale data synchronization. Responsibilities include improving sync speed, developing real-time streaming capabilities, scaling high-volume and low-latency systems, troubleshooting customer scaling challenges, and supporting multi-region, multi-cloud infrastructure and data residency requirements. The role involves end-to-end project ownership, customer collaboration, system architecture, and reliability improvements.

Develop backend systems for Hightouch’s Customer Studio product, focusing on data warehouse performance, analytics and experimentation, real-time audience syncing, and generative AI workflows. Design scalable, maintainable, and reliable distributed systems while contributing to product specifications and customer-focused solutions. The role requires strong product sense and the ability to architect data-processing features end to end.

Design and evolve scalable referral, partner data, and patient booking systems. Lead complex technical projects across teams, make architecture and API decisions, improve security, performance, reliability, and scalability, and mentor engineers. Collaborate with product, design, engineering leadership, partners, and stakeholders while using AI-assisted development tools such as Claude Code to improve delivery velocity and quality.

Build and maintain backend services, APIs, workers, shared libraries, and cloud-native runtime infrastructure for Alteryx Cloud orchestration and job execution. Develop asynchronous, event-driven, distributed systems with queues, persistence, retries, and failure recovery. Improve reliability through observability, testing, deployment tooling, and incident follow-up while collaborating across engineering and product teams.

Owns the design, development, testing, and optimization of safety-critical vehicle firmware on resource-constrained platforms. Responsibilities include RTOS applications, communication architectures, bootloaders, device drivers, board and SoC bring-up, automated testing, debugging, and production deployment. The role leads cross-functional projects, mentors engineers, conducts code reviews, and establishes embedded engineering standards for reliable autonomous transit vehicles.

Design and build scalable operator services for provisioning, repairing, and managing bare-metal GPU servers. Develop secure, tested automation spanning firmware, PXE imaging, DPU provisioning, and network configuration. Own architecture, telemetry, monitoring, incident response, and root-cause remediation for globally operated GPU fleets. Mentor engineers and improve concurrency safety, distributed systems reliability, and zero-touch deployment capabilities.

Develop and operate software for Azure’s hyperscale networking infrastructure and SONiC switch and router platforms. Responsibilities include designing, coding, optimizing, debugging, and maintaining network software; supporting packet forwarding, telemetry, observability, reliability, and performance; creating design and release plans; responding to incidents; and mentoring engineers. The role requires expertise in software engineering, IP networking, distributed systems, Linux, SDN technologies, and container-based environments.

Leads the design, development, maintenance, and support of LabVantage LIMS applications and related software. Translates stakeholder requirements into reliable Java applications, makes technical design decisions, integrates enterprise systems, improves engineering practices, develops automated tests, and provides production support. The role also guides engineers and Technical Product Managers while optimizing laboratory order-to-result workflows and LIMS platform configurations.

Designs and develops scalable customer-facing web applications and microservices APIs. Responsibilities include complex system architecture, code reviews, mentoring, technical design, stakeholder collaboration, database optimization, system maintenance, compliance support, and promoting engineering best practices. The role requires Java and enterprise web development experience, with exposure to cloud technologies, front-end frameworks, Docker, REST APIs, event-driven architecture, and CI/CD.

Build and scale secure backend services and platform infrastructure for an enterprise AI agent platform. Lead architecture and code reviews, infrastructure automation, CI/CD, observability, reliability, and performance initiatives. Collaborate with product and research teams to deploy and optimize production ML/NLP workloads, improve developer experience, and mentor engineers while establishing strong engineering and DevOps practices.

Build and launch responsive customer-facing web pages and marketing features using React-based tooling. Maintain content management models, partner with marketing on experiments and conversion improvements, and optimize website performance across mobile and desktop. The role begins with frontend development and expands toward full-stack ownership. Collaboration, independent problem-solving, responsive design, and gradual technical ownership are central to the position.

Design and build scalable Python applications, APIs, microservices, and AI/LLM workflows using AWS, Docker, Kubernetes, and related technologies. Develop agentic orchestration capabilities, prototypes, and production systems; perform testing, code reviews, architectural design, troubleshooting, and security-focused engineering. Collaborate remotely in an Agile environment while translating data science outputs into secure, maintainable products.

Design and build Seeq’s internal platform, including infrastructure, services, multi-tenant Kubernetes clusters, system interfaces, and secure deployment capabilities. Improve scalability, reliability, software delivery, and infrastructure cost and performance. Lead migrations, integrate security practices, architect distributed systems, collaborate cross-functionally, and mentor engineers while remaining hands-on at Staff or Principal scope.

Build and operate site reliability engineering practices for regulated, cloud-based production environments. Responsibilities include observability, SLIs/SLOs, incident response, infrastructure automation, Kubernetes and cloud operations, disaster recovery exercises, compliant deployments, root-cause analysis, and reliability improvements. The role partners with engineering, product, laboratory, compliance, and quality teams while mentoring peers and helping establish the organization’s SRE culture.

Develops, tests, deploys, and supports major software features and services. The role translates product requirements into maintainable technical solutions, makes design and performance trade-offs, performs root-cause analysis, conducts code reviews, improves development and deployment practices, and mentors newer engineers. The position requires collaboration across engineering and product teams and includes working with Java, SQL, XML, web technologies, JavaScript, and Oracle databases.

Lead design, implementation, and deployment of core platform tooling enabling secure, cloud-native application delivery. Integrate with defense systems, own architecture, mentor engineers, contribute to open source, maintain documentation, and participate in a shared 24x7 on-call rotation.

Build and lead development of real-time, cloud-native integration pipelines and Java/Spring Boot microservices on GCP. Design event-driven streaming with Pub/Sub, Kafka, and CDC tools; govern REST APIs and data schemas; connect enterprise databases, supply chain systems, and data lakehouses. Responsibilities include architecture, coding, deployment, code reviews, integration templates, testing, monitoring, and technical leadership.