Top Remote Principal Software Engineer Jobs in Boston, MA

Leads hands-on modernization of Pearson’s content platform, including large-scale migrations, shared platform services, APIs, AI capabilities, cloud infrastructure, security, reliability, and technical roadmaps. Designs and delivers complex systems, writes production code, resolves high-impact incidents, evaluates technologies, and establishes engineering standards. Mentors senior engineers, influences cross-functional stakeholders, and drives initiatives from exploration through launch while balancing scalability, cost, maintainability, and risk.

Lead the architecture and technical direction of Forward Financing’s core fintech platform. Design scalable distributed backend systems, guide cross-team initiatives, establish engineering best practices, resolve incidents, and mentor engineers. The role owns the technical roadmap and architectural vision while partnering across teams to improve reliability, observability, code quality, and delivery. Ruby on Rails expertise is required, along with strong communication, influence, agile development experience, and a broad backend or full-stack perspective.

Develop and operate production AI framework components, runtimes, benchmarking systems, performance tools, and integrations. Benchmark and optimize large language model training and inference across GPUs and Microsoft hardware, build automation and observability, investigate cross-stack performance and reliability issues, and deliver scalable platform improvements. Principal engineers additionally set technical direction, lead multi-team initiatives, define architectures, and mentor technical leaders.

Lead the rearchitecture and development of a cloud-native Banking as a Service platform. Design scalable APIs, microservices, event-driven systems, and partner integrations using modern cloud, DevOps, observability, and security practices. Drive architectural strategy, technical debt reduction, incident response, code quality, compliance, and continuous delivery. Mentor engineers, collaborate with product and architecture teams, evaluate emerging technologies, and own capabilities through project delivery.

Principal Software Engineer responsible for hands-on development, architectural evolution, modernization, and resolution of complex technical problems across a mature education technology product. The role provides cross-team technical leadership, guides architecture and integrations, mentors senior engineers, and applies pragmatic AI-assisted development. Success involves improving system maintainability, enabling product evolution, surfacing technical risks, and strengthening organizational engineering capabilities.

Leads security and identity capabilities for Conga’s B2B platform, including authentication, authorization, access control, tenant context, and secure cross-platform integrations. Designs and implements scalable core services, guides a team of 5–8 engineers, establishes security standards, and drives code, design, threat-modeling, and operational readiness reviews. The role also involves mentoring, cross-functional technical leadership, incident resolution, customer escalations, and collaboration on cloud-native, AI-related platform capabilities.

Lead architecture and roadmap for Azure PostgreSQL systems; design and review scalable, maintainable database engine features (query processing, storage, transaction logging, recovery, versioning, IO, scale-out). Influence coding standards and run code reviews, write proof-of-concept or production code, contribute to open-source PostgreSQL/Linux, and participate in rotational on-call operations.

Define the vision and roadmap for large-scale LLM memory and storage systems. Design unified memory layers across GPU, host, RDMA, SSD, and cloud tiers; integrate LLM serving engines for KV-cache offload and sharing; and develop protocols for disaggregated inference. Partner with architecture and platform teams on GPUDirect, RDMA, and NVLink optimization. Lead technical direction, mentor engineers, and represent the team in technical reviews, open source, conferences, and customer engagements.

As a Principal Software Engineer, you'll develop software systems for NVIDIA's rack-scale infrastructure, defining software architecture, collaborating across teams, mentoring engineers, and ensuring high-quality technical decisions in complex environments.

Sets technical vision for Pinterest’s ML and media infrastructure, leading distributed training, fine-tuning, evaluation, inference, GPU optimization, content ingestion, and signal-processing architectures. Partners with AI/ML, Ads, Content, Shopping, and GenAI teams to productionize reliable, scalable platforms, drive architecture decisions and migrations, improve operational standards, and mentor senior engineers.

Leads architecture, hands-on software development, deployment, and production issue resolution for strategic customer projects. Drives AI innovation, platform resiliency, security, observability, performance, and operational improvements. Partners with executives, engineering, product, and customer success teams to prioritize strategic programs, improve customer value, share technical best practices, and remove production blockers.

Provides technical leadership for Azure cloud-scale distributed data platforms processing network telemetry and operational data. Defines architecture and long-term technical strategy, leads streaming and batch system design, resolves complex scalability and reliability challenges, oversees production readiness and continuous improvement, and influences cross-team technical investments. Partners across Azure Networking, conducts design reviews, establishes reusable engineering patterns, improves observability and quality, and mentors engineers and technical leaders.

Principal frontend-focused software engineer responsible for leading frontend architecture, standards, tooling, accessibility, performance, testing, and deployment practices. The role delivers scalable customer-facing web applications, component libraries, and design systems using React or Angular. It includes cross-functional product collaboration, technical decision-making, mentoring, modernization initiatives, and occasional full-stack work. The position is remote, requires U.S. citizenship, Public Trust 6C eligibility, and approximately 0–10% business travel.

Principal Software Developer responsible for designing, developing, and scaling distributed, high-throughput software systems. The role delivers features, improves reliability, identifies bottlenecks, leads system migrations from monoliths to microservices, and works across the technology stack. Responsibilities include architectural design, cloud engineering, technical leadership, mentoring developers, communicating technical decisions, and using AI and automation tools to improve engineering outcomes.

Lead architecture, development, scaling, and reliability for SingleStore Helios, a multi-cloud SaaS platform. Design Kubernetes operators, controllers, networking, routing, and distributed control planes across AWS, Azure, and GCP. Build resilient Go and Python systems, support AI and vector workloads, resolve complex Tier-3 production incidents, and maintain compliance controls. Mentor engineers, author architecture documents, and influence cross-functional technical strategy.

Lead architecture and long-term technical direction for Docker Hardened Images (DHI). Define platform standards for image and Helm chart hardening, supply-chain posture (SBOM, SLSA, signing), and distribution. Drive cross-functional roadmaps, resolve ambiguous packaging/security problems, influence upstream OSS, mentor senior engineers, shape test and tooling strategy, and participate in on-call incident response.

Lead the technical direction and production development of defensive agents for an autonomous cybersecurity platform. Design durable agent execution, authorization and multi-tenant isolation, third-party security-control connectors, distributed workflows, and explainable observability. Translate product goals into roadmaps, partner with AI researchers and Product, review designs and code, mentor engineers, and maintain production services. The role requires deep experience with agentic or LLM-backed systems, cloud platforms, distributed systems, SQL, security controls, and operational ownership.

Own the technical vision and architecture for ServiceTitan’s iOS and Android mobile platform. Design scalable, reliable, secure, and high-performing systems; modernize monolithic codebases; improve observability, developer productivity, CI/CD, testing, and release processes. Mentor engineers, influence mobile strategy, define success metrics, support recruiting, and collaborate with cross-functional stakeholders. The role is approximately 60% development and requires expertise in native mobile development, performance engineering, modular architectures, and cloud-supported mobile backends.

Provides technical leadership on complex, high-impact engineering projects from design through launch. The role involves architecture, company-wide initiatives, engineering excellence, mentoring technical leaders, and establishing standards for scalable, reliable, secure, observable systems. The engineer will collaborate across teams, communicate complex technical topics, and apply customer-focused decision-making and A/B testing techniques.

Leads hands-on development of production software while owning application and service architecture. Diagnoses systemic issues across components, coordinates integration efforts, and improves reliability, performance, and incident response. Builds scalable full-stack SaaS applications using Java, Spring Boot, TypeScript, Node.js, and React. Applies AI-assisted development tools, mentors engineers through influence, and makes technical decisions that balance maintainability, business needs, and client impact.

Principal Software Engineer leading architecture, development, and technical strategy for complex software platforms. The role requires designing scalable and secure systems, guiding engineering standards, mentoring engineers, resolving complex technical issues, and partnering with product, laboratory, and bioinformatics teams. Responsibilities include software architecture, React and .NET development, database optimization, REST APIs, distributed systems, DevOps, regulatory compliance, and long-term technology roadmaps supporting clinical and genomic workflows.

Principal Software Engineer responsible for cross-cutting architecture, technical roadmap direction, and delivery quality. The role involves developing APIs, databases, UIs, and libraries with C# or JavaScript/TypeScript; guiding AI-assisted development; establishing testing and verification practices; mentoring engineers; improving tooling and workflows; collaborating cross-functionally; estimating work; and participating in on-call support. The position is fully remote with occasional travel.

Leads technical direction for the Partner Services engineering area while remaining hands-on with mission-critical financial systems. Owns architecture roadmaps, ADRs, observability, reliability, security, technical investment, OKRs, and KPIs across multiple teams. Leads major incidents, drives AI-native engineering practices, partners with product and executive stakeholders, participates in architecture governance, and mentors engineers at every level. The role requires strong payments or banking familiarity, executive communication, and extensive technical leadership experience.

Leads technical strategy and architecture for a multi-team billing engineering workstream supporting payments, banking, treasury, and financial settlement. Remains hands-on while owning architecture roadmaps, ADRs, reliability, observability, security, AI-native engineering practices, technical investment, and business outcomes. The role partners with senior engineering and product leaders, manages high-stakes incidents, strengthens engineering maturity, and mentors engineers at every level.

Provides technical leadership for Azure SQL databases supporting a highly available Azure service. Responsibilities include database performance tuning, reliability and capacity planning, schema changes, data migrations, observability, incident response, root cause analysis, operational automation, and technical strategy. The role partners with software engineers, SREs, and architects to improve scalability, durability, cost efficiency, and long-term service reliability across teams.