Top Remote Software Engineer Jobs in Philadelphia, PA

Design and implement C++ features for MongoDB’s replication infrastructure, improving availability, recovery, consistency, performance, and fault tolerance. Diagnose distributed-systems issues, develop comprehensive tests, collaborate across engineering teams, participate in design and code reviews, and mentor junior engineers. The role involves owning technical work from investigation through delivery and contributing to major MongoDB releases.

Develop and maintain MongoDB server workload resilience infrastructure in C++ or Rust. Design workload policies for rate limiting, prioritization, overload mitigation, availability, and performance. Write unit and integration tests, investigate failures, improve observability, diagnose and fix complex distributed-system issues, and lead technical projects. Collaborate across engineering teams, mentor junior engineers, participate in hiring, and improve operational readiness, monitoring, incident management, and rollout processes.

Lead the design, development, and operation of integrations and API products. Establish standards for API contracts, authentication, authorization, versioning, reliability, observability, documentation, and developer experience. Drive cross-team system architecture, production readiness, scalability, security, and resilience while mentoring engineers and aligning technical decisions with product and business goals.

Leads the design, development, testing, deployment, and operational support of enterprise full-stack applications. Builds React frontends and Java Spring Boot microservices, APIs, integrations, event-driven systems, and cloud-native workloads. Provides technical leadership through architecture, code reviews, mentoring, Agile planning, troubleshooting, security, reliability, and performance improvements. Supports legal technology solutions including matter management, document management, claims litigation, regulatory compliance, and business process automation across Azure and AWS environments.

Build and maintain full-stack donor-facing giving forms, campaign tools, administrative features, and payment flows across Stripe, ACH, and digital wallets. Own features from technical design through deployment, testing, and production support. Collaborate with product, design, and engineering partners in an Agile environment, contribute to code quality and team initiatives, and participate in rotational support and on-call coverage.

Designs, develops, tests, deploys, monitors, and operates large-scale distributed cloud services for Azure Arc. Builds software across agents, Kubernetes environments, and globally distributed Azure services using languages such as C# and Go. Responsibilities include automation, debugging, performance optimization, reliability improvements, telemetry, live-site operations, and cross-team collaboration. The role requires participation across the full software development lifecycle and ownership of features from design through production support.

Lead technical ownership of InfiniBand and GPU interconnect fabric operations for hyperscale AI supercomputers. Drive incident response, deep multi-layer debugging across hardware/firmware/drivers/OS, and define failure models, playbooks, telemetry, and automation to improve reliability, observability, and scalability of GPU clusters and platform SLAs.

Develop and maintain full-stack SaaS applications supporting Medicaid health plans and providers. Responsibilities include contributing to architecture and feature development using Agile methodologies, providing Tier 2/3 customer support, analyzing complex problems, implementing readable design-pattern-based solutions, and owning application features through completion. The role requires collaboration, continuous technical learning, and occasional travel of 10% or less.

Build and ship healthcare software across the frontend, API, and database using React, TypeScript, Next.js, tRPC, Prisma, and related technologies. Own features end to end, prototype with AI tools, test with patients and care teams, and improve performance, accessibility, reliability, and scalability. Collaborate closely with company leadership in a fast-paced startup environment while developing trustworthy automation for healthcare delivery.

Build and deploy AI voice agents for enterprise customers, design integrations and conversation flows, debug APIs, webhooks, SIP, telephony, authentication, and production issues, and work directly in customer codebases. Partner with Product and Engineering to translate customer feedback into improvements, support technical onboarding, and help customers expand AI use cases. The role requires strong backend software engineering, troubleshooting, communication, and Mandarin-English fluency.

Develop and optimize SQL query processing for a distributed database operating across petabytes of data and hundreds of nodes. Responsibilities include parsing, validation, optimization, execution, performance analysis, debugging, code reviews, design discussions, testing, and collaboration with engineering and customer operations teams. The role also supports process improvement, knowledge sharing, and mentoring fellow engineers.

Build and ship healthcare software across the frontend, APIs, and databases. Own features end to end, write tested and maintainable code, prototype with patients and care teams, and use AI tools such as Cursor and Claude Code in daily development. Design scalable systems, improve performance, accessibility, and reliability, and contribute to trustworthy automation in a fast-paced startup environment.

Design, implement, and optimize GPU software for LLM training using CUDA, WebGPU, and GLSL. Profile and tune GPU kernels and shaders for performance, and develop host-side integrations in C++. The contractor will complete output-based tasks, meet minimum weekly submission requirements, and begin work shortly after onboarding.

Develop custom customer integrations and provide Bubble.io guidance. Build and maintain Salesforce, HubSpot, and other CRM integrations; manipulate data with Python and Pandas; design AWS Lambda microservices; support client onboarding and collaborate with the development team to improve the platform.

Lead development of scalable Java software applications and high-availability services. Design architectures, solve complex system challenges, improve performance and scalability, and maintain quality standards. Collaborate cross-functionally, mentor junior engineers, own technical initiatives, address support-driven issues, and implement robust testing practices for mission-critical IT operations products.

Design, develop, and enhance scalable Java software for NinjaOne’s IT Operations platform. Lead architectural decisions, build high-availability services, address scalability and technical debt, improve quality practices, collaborate across teams, mentor engineers, and own technical initiatives supporting millions of endpoints and servers.

Lead development of scalable Java applications and high-availability services. Design system architecture, solve complex scalability challenges, improve quality, mentor engineers, collaborate cross-functionally, and own technical initiatives supporting a global IT operations platform.

Build and enforce workload safety standards across Affirm’s Amazon EKS fleet. Responsibilities include Kubernetes resource management, workload isolation, disruption handling, cluster capacity analysis, policy automation, production debugging, incident response, fleet-wide rollouts, technical leadership, mentoring, and measuring infrastructure impacts on availability, latency, risk, and cost.

Build and own Keycard’s infrastructure platform, including bring-your-own-cloud deployments, multi-tenant and single-tenant cells, infrastructure as code, Kubernetes operations, releases, upgrades, observability, security guardrails, and audited break-glass workflows. Develop tooling and agents for installation, diagnostics, and operational support. Define compatibility matrices, deprecation policies, and upgrade processes while partnering directly with enterprise cloud and security teams.

Develop and maintain the Keycard Agent SDK, ensuring compatibility with various languages and frameworks, while engaging with the developer community to enhance agent applications.

Build and operate backend services and data pipelines for Temporal Cloud, including namespace provisioning, audit logs, and export. Responsibilities include designing scoped features, improving scalability and reliability, managing high-volume multi-tenant data, and enhancing observability through testing, instrumentation, dashboards, alerts, and runbooks. The role involves code reviews, incident response, production debugging, cross-functional collaboration, and continuous improvement of developer and customer experiences.

Build and scale a multi-tenant B2B SaaS product for metal recycling operations. Own data modeling, APIs, UI, UX, deployment, integrations, dashboards, and agentic data features end to end. Collaborate with operators, plant managers, the CTO, and product teams to design workflows, integrate ERP and plant data, and deliver reliable software used on the plant floor. The role is remote within the US with occasional customer-site and company travel.

Lead frontend feature releases and own user experience, performance, testing, and production health for a React and TypeScript dental practice management platform. Collaborate with backend engineers using Java Spring Boot, develop AI-powered interfaces, integrate AI tools such as Claude, participate in code reviews, improve team efficiency, and estimate development work for timely delivery.

Own the frontend technical roadmap and architecture for Archy’s dental practice management SaaS. Lead major feature releases, optimize React and TypeScript performance, integrate AI-powered interfaces, and oversee frontend-backend integration with Java Spring Boot. Establish testing, stability, monitoring, and production release practices while leading code reviews, planning development efforts, and improving team efficiency.

Develop and maintain backend systems and full-stack software using PHP and Node.js, including containerized microservices on AWS Kubernetes. Responsibilities include system design, coding, testing, code reviews, troubleshooting, deployments, production support, and technical guidance. The engineer collaborates with product owners, project managers, DevOps, QA, and data engineering teams throughout the software development lifecycle, emphasizing reliability, performance, maintainability, and automated testing.