Top Remote Software Engineer Jobs in Philadelphia, PA

Build and maintain secure, scalable web and mobile experiences on an Azure-based platform. Responsibilities include developing Blazor front ends, .NET Minimal API back ends, and MAUI mobile components; managing EF Core and SQL data models; integrating authentication; supporting Azure DevOps delivery; writing tests; improving observability with Application Insights; and collaborating with Product, QA, and Clinical Operations in Agile sprints.

Provide technical leadership and architectural direction for complex robotics software supporting autonomous platforms. Design fault-tolerant systems for vehicle control, motion planning, localization, perception, controls, and fleet management. Collaborate across robotics, hardware, machine learning, perception, systems engineering, and product teams; establish software standards, testing, deployment, and validation practices; debug hardware-software integrations; and mentor engineers. The role focuses on reliable, safety-critical production software for autonomous agricultural and heavy machinery.

Build and maintain a .NET web platform used by clinical and back-office teams. Develop full-stack features with C#, SQL Server, Kendo/Telerik UI, and JavaScript; use AI coding tools to accelerate delivery; review generated code critically; perform unit, integration, and hands-on testing; clarify requirements with stakeholders; occasionally maintain legacy WPF functionality; and support deployments and production issues.

Design, build, and operate highly scalable cloud-native microservices and web applications. Own features from design through production, improve observability, CI/CD, and cloud infrastructure, mentor teammates, collaborate across teams, and leverage AI developer tools to automate and accelerate engineering workflows.

Own and expand a Three.js/R3F in-browser solar configurator: build and optimize 3D geometry tools and UX, collaborate with backend and simulation teams, ensure performant real-time rendering, and deliver frontend product features across the Aether platform.

Develop and maintain scalable EverHealth software applications, delivering new features and improving existing functionality. Responsibilities include designing solutions, writing and testing code, deploying and maintaining applications, troubleshooting issues, conducting code reviews, participating in Agile ceremonies, and expanding automated test coverage. The role requires expertise in the .NET ecosystem, ASP.NET Core, C#, JavaScript frameworks, REST APIs, relational databases, CI/CD, cloud platforms, and healthcare technology concepts.

Work on full-stack web applications serving millions of users: design, build, test, and deploy features, support CI/CD and data ingestion pipelines, triage production issues, and write maintainable, testable code while collaborating in an agile team.

Develop and integrate complex software applications as part of a Honeywell engineering team. Interns will contribute software features to products, apply software development lifecycle and configuration management practices, analyze problems, develop efficient solutions, and collaborate with global teams while receiving mentorship and hands-on experience.

Software engineering intern supporting the design, development, integration, and enhancement of complex software applications. The role involves contributing to team goals, creating innovative solutions, developing high-quality features, applying software development lifecycle and configuration management practices, and collaborating with engineers. Interns receive mentorship, hands-on experience, relocation benefits, and short-term housing when eligible.

Summer 2027 software engineering intern who will design, develop, integrate, and enhance complex software applications and product features. The intern will collaborate with engineering teams, apply software development lifecycle and configuration management practices, analyze problems, develop efficient solutions, and contribute to customer-focused innovation. The role includes mentorship, professional development, relocation benefits, and short-term housing eligibility.

Develop and integrate complex software applications as part of a Honeywell engineering team. Interns will contribute software features to customer products, create innovative solutions, apply software development lifecycle and configuration-management practices, and collaborate with engineers in a global organization. The internship includes hands-on technical experience, mentorship, professional development, and potential relocation benefits and short-term housing.

Senior Full Stack Engineer building scalable, high-performance web applications. Own feature design through delivery, write clean reusable code, optimize databases, work with CI/CD, containers, cloud, distributed systems, mentor teammates, and maintain zero customer-reported bugs.

Develop, test, and maintain software components across the full software development lifecycle. Build user interfaces, REST APIs, services, and data-access logic using Microsoft technologies and modern UI frameworks. Write unit tests, participate in code reviews, debug defects, and collaborate with Product, QA, and engineering teams. Use AI-assisted development tools responsibly while following security, compliance, and software quality practices.

Design, develop, and implement features for the Marriott Bonvoy Android app. Collaborate with cross-functional product teams, participate in requirements and code reviews, follow development and governance processes, support deployments and production, and learn engineering best practices including security, Google design standards, and Agile/SAFe methodologies.

The Software Engineer will develop the Socket web application, design interfaces, write APIs, and contribute to team growth and culture. Responsibilities include building systems and collaborating with design and engineering teams to ensure a delightful user experience.

Design, develop, and implement features for the Marriott Bonvoy iOS app. Collaborate with cross-functional product teams, participate in code and requirements reviews, follow development and governance processes, support deployments and production activities, and learn mobile engineering best practices, Apple standards, and security requirements.

Build and maintain SaaS applications in a continuous delivery environment. Design and ship features, evolve core infrastructure, optimize REST APIs, write Python code, participate in code reviews, and collaborate with engineers and product managers. The role requires delivering robust software with increasing independence while contributing to an Agile, cross-functional team. Preferred experience includes cloud computing, modern Python frameworks, production AI/ML integrations, AI-powered developer tools, prompt engineering, and LLM APIs.

Design and deliver full-stack applications spanning user interfaces, data models, APIs, backend services, cloud infrastructure, and AI-enabled workflows. Build vector-store and RAG capabilities, deploy Azure services with Terraform and containers, and contribute to architecture, technical roadmaps, code reviews, testing, and system operations. Collaborate directly with business stakeholders to understand needs and deliver scalable, secure, enterprise-grade software. The role also involves identifying patentable innovations, preparing disclosures, and supporting patent prosecution.

Design and develop software to automate bare-metal configuration, orchestration, scheduling, and job placement for large wafer-scale clusters. Build upgrade/patch workflows, monitoring, HA failure handling, visualization and alerting, and user/admin tools. Ensure on-premise and cloud deployment support and develop tests and debugging tools for distributed systems.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

Lead design, build, deployment, and operation of highly resilient, high-throughput configuration and publishing systems. Define long-term architecture and strategy, mentor senior engineers, diagnose and fix performance bottlenecks, and leverage AI tools to improve engineering productivity and platform capabilities.

Lead the technical vision and architecture for backend systems supporting experimentation, personalization, analytics, and conversion optimization. Design and operate high-throughput distributed systems and APIs, build data infrastructure, and productionize AI/ML capabilities. Drive complex multi-team initiatives, influence engineering strategy, establish technical standards and operational excellence, and mentor senior engineers. Partner with product, data science, ML, and engineering teams to translate business needs into scalable solutions.

Design, develop, and maintain scalable backend services and APIs (Node.js, Firebase). Optimize performance, ensure code quality via reviews and unit tests, debug and upgrade systems, and contribute to frontend work as needed. Stay current on backend and Gen AI integrations and collaborate across the team.

Own performance optimization, reliability, observability, capacity modeling, and automated failover for Coinbase’s blockchain node infrastructure. Diagnose resource bottlenecks, reduce infrastructure costs, define SLOs and SLIs, support protocol upgrades, and improve node performance across distributed systems at scale. Collaborate with protocol integration, wallet, and indexer teams while applying backend programming and systems profiling expertise.

Build and maintain multi-layer test automation, improve CI/CD release integrity, and develop internal tools that enhance testability and developer experience. Establish quality metrics, dashboards, and observability for product stability and release readiness. Partner across engineering, infrastructure, product, SRE, and quality teams to implement shift-left practices, performance, resilience, security, API, and dependency testing. Drive automation-first quality improvements and promote consistent engineering standards.