Source Job

US 3w PTO

  • Focus on optimizing data ingestion and processing for automation tools.
  • Lead the design of reusable full-stack components for scalability.
  • Partner with Product to address user pain points in auto repair shops.

.NET Node.js React PostgreSQL MySQL

20 jobs similar to Principal Full Stack Engineer

Jobs ranked by similarity.

$155,000–$215,000/yr
US Unlimited PTO 10w maternity

  • Shape the product architecture end-to-end, designing and shipping modular .NET services and modern React frontends that stay fast, reliable, and elegant across a wide range of real-world customer environments.
  • Own the data foundation, designing high-performance PostgreSQL schemas and crafting EF Core queries that serve as the source of truth for business logic, permissions, and RBAC—balancing correctness, clarity, and scale.
  • Engineer for performance at scale, building smart caching layers with Redis and leverage S3 for large artifacts, keeping our Web Gateway lean, responsive, and built to grow.

DEFCON AI is an insights company that leverages artificial intelligence, mathematical optimization, data analytics, and software engineering for resilient optimization of complex systems. With a remote-first environment, they foster autonomy and impact in today’s dynamically changing world to align outcomes with operational goals, better decision making, and empowers customers to anticipate, assess, and mitigate the impacts of disruptions.

India

  • Independently guide the technical direction and implementation from conceptualization to deployment.
  • Evaluate trade-offs between correctness, robustness, performance, and customer impact.
  • Create and lead the team's technical documentation and repository management practices.

3Pillar is dedicated to engineering solutions that challenge conventional norms. They are an elite team of visionaries shaping the tech landscape for clients and setting global standards.

Global

  • Lead with Technical and Team Excellence.
  • Elevate Team Effectiveness.
  • Strategize and Execute for Impact.

Deel is the all-in-one payroll and HR platform for global teams. They combine HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. Their team of 7,000 spans more than 100 countries, speaks 74 languages, and brings a connected and dynamic culture .

$160,000–$200,000/yr
US UK

  • Develop backend services and APIs using C#/.NET Core.
  • Build secure, responsive, and maintainable frontend applications using React.
  • Implement 3D visualization and data-driven UI experiences using Three.js.

Slingshot Aerospace's mission is to make space safer and more secure for everyone. They are a team of builders, thinkers, and problem-solvers who move fast and believe the best ideas can come from anywhere.

LATAM

  • Reverse-engineer data rules and functional prototypes currently trapped in manual spreadsheets or legacy VBA macros, transforming them into reliable web applications.
  • Take features from database schema design (PostgreSQL) and backend API development up to crafting modular, responsive UIs (React/Next.js & Tailwind).
  • Integrate LLM APIs into production workflows to automate operational narratives and extract structured insights.

Launchpad Technologies Inc. is a global technology partner connecting top talent with high-impact projects across North America and beyond. They specialize in Staff Augmentation and product development, helping companies scale with agility while empowering professionals to grow in meaningful, remote-first environments.

US Unlimited PTO

  • Provide technical direction and architectural guidance for the V2 Platform while leading a team of engineers.
  • Lead, mentor, and support a team through coaching, feedback, sprint planning, and goal-setting.
  • Own end-to-end project execution and collaborate closely with Product, Design, and Operations to deliver scalable solutions.

Nabis is the #1 licensed cannabis wholesale platform in the world, supplying over $1 billion in products annually from hundreds of brands to retailers. The company, backed by notable tech investors and celebrities, is building a technology-first platform to scale the cannabis supply chain and aims to become the world's largest distributor.

Global

  • Architect and implement scalable RESTful or GraphQL APIs using Node.js and Express, and design reliable data pipelines.
  • Structure and model data for product features and analytics, and own schema design, query optimization, and infrastructure on AWS.
  • Contribute to system design decisions, review front-end code in React when needed, and mentor junior developers.

Homera Health builds some of the largest D2C telemedicine brands and is developing next-generation virtual healthcare experiences. It is a diverse, global team with a fun, casual work environment that values world-class talent across engineering, marketing, and operations.

Canada

  • Ship full-stack features in C# .NET and React that meet the company’s quality, performance, and UX standards.
  • Translate user needs into delightful experiences that solve real problems, in close partnership with Product and Design.
  • Deliver data layers (PostgreSQL and MongoDB) that perform reliably at scale, with models and queries built to support large datasets.

ShareGate is the leading Microsoft 365 migration and governance platform, trusted by over 100,000 IT pros for its unmatched simplicity. ShareGate is developed by Workleap Technologies, a Montréal‑based software company, where challenges fuel our creativity, fast-paced environments keep us sharp, and pushing boundaries is just part of how we operate.

$240,000–$270,000/yr
US

  • Lead and scale a high-performing engineering organization by building deep trust.
  • Engage deeply and credibly in system design and architecture discussions.
  • Pioneer the integration of AI and agentic capabilities into our software development lifecycle.

HopSkipDrive is creating opportunity for all through mobility. They are the leader in safe, fast, and simple supplemental student transportation through their marketplace, connecting kids to highly-vetted caregivers on wheels. Founded by three moms, they've now facilitated more than five million rides across over over 20 states and continue to grow rapidly.

Europe

  • Build and own scalable SaaS applications end-to-end — frontend, backend, and data layers.
  • Write production-grade code that is reliable, readable, efficient, and testable.
  • Drive system availability and performance — investigate, analyze, and resolve reliability issues across the stack.

Firstup's mission is to improve the employee experience. They serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily, with employees who are experts in the employee experience, workforce communications and technology.

Canada

  • Serve as technical owner for your area, setting architecture direction and maintaining quality standards.
  • Design, build, and ship features, writing code daily alongside the team.
  • Replace legacy code with modern solutions and optimize the overall stack.

One Kings Lane celebrates craftsmanship, design, and inspired living. They value employee voices and vision in marketing, tech, or logistics, and promote growth via flexibility, storytelling, and opportunity.

$170,000–$170,000/yr
US Unlimited PTO

  • Lead by example: contribute high-quality code across backend and frontend systems
  • Shape architecture: design scalable services, APIs, and data models that support long-term growth
  • Mentor engineers: coach and support teammates through code reviews, design discussions, and problem-solving

WorkBoard’s Strategy Execution Platform powers the digital operating rhythm for companies around the globe, providing organization-wide clarity, alignment, and insights for growth. More than 15,000 people are certified in WorkBoard’s OKR coaching and Outcome Mindset Methodology™ which enables their organizations to quickly gain the agility OKRs can provide.

$210,000–$230,000/yr
US Canada Unlimited PTO

  • Build autonomous restaurant operations software and innovate new interaction models between operators and software.
  • Work on mission-critical systems that directly impact guest experience with our product, restaurant revenue and reputation.
  • Demonstrate extreme ownership across workflows spanning ordering, kitchens, delivery, and fulfillment.

Owner is an AI-native system that local business owners use to succeed, starting with restaurants. They are building the system that replaces the many tools owners use to run their business. Their team is in the low hundreds and includes top talent from successful SMB software companies.

Latin America

  • Design, Develop, and Optimize secure, scalable, and high-performance web applications leveraging .NET , C# , and Blazor.
  • Lead and Execute complex migration strategies, moving legacy client-side frameworks to cutting-edge Blazor architectures.
  • Troubleshoot and Resolve deep, complex technical issues across both backend business logic and frontend component interactions.

CodeRoad provides end-to-end software development services, helping businesses scale with ideal infrastructure solutions. Our nearshore technology services empower businesses to thrive in an ever-evolving digital landscape without specifying employee count.

$125,000–$145,000/yr
US

  • Write secure, maintainable, production ready code that meets internal standards and industry best practices
  • Enhance and extend existing products including complex reporting queries, large dataset processing and Microsoft Graph or third party API integrations
  • Design and build scalable APIs that integrate with internal and external services

Patch My PC improves lives by providing a solution for IT and Security teams to automate, manage, deploy, and report on third-party updates. It is a fully remote company of 150 GIF-loving humans that supports over 10,000 customers and more than 30 million devices.

$114,800–$160,000/yr
US Canada 4w PTO

  • Own the technical vision and direction for your domain, ensuring the team builds scalable and maintainable solutions.
  • Diagnose and resolve complex technical bottlenecks to maintain the performance of SaaS applications.
  • Mentor junior and mid-level engineers to foster deeper technical skills and an ownership mindset.

Bloomerang provides a giving platform and support to help nonprofits raise and retain more. They foster a mission-driven culture built on the values of Simplify, Care, and Act and strive to empower nonprofits to achieve maximum impact.

Global

  • Design and build data pipelines pulling from Amazon SP-API and Ads API, handling rate limits, retries, and schema evolution.
  • Architect ingestion, transformation, and aggregation layers to power reporting tools and contribute to building new tools end-to-end.
  • Help scale the data layer from manual uploads to automated, multi-tenant flow and contribute clean data to an AI insights layer.

GNO Partners helps Amazon sellers run smarter, more profitable businesses. We are a remote team building a platform to aggregate Amazon data into actionable insights and automate optimizations.

US Latam

  • Develop, test, debug, and maintain scalable application features aligned to ticket specifications and business requirements.
  • Contribute to Portal 2’s API-driven architecture using modern development patterns and cloud-native technologies.
  • Build maintainable backend services and frontend experiences that prioritize performance, reliability, and usability.

RYZ Labs is a startup studio founded in 2021 by two lifelong entrepreneurs. They focus on early-stage company creation, attracting bright talents to build industry-defining companies using cutting-edge cloud computing technologies to create scalable and resilient applications.

Global

  • Own the end-to-end delivery of key product features, from concept to deployment and beyond.
  • Architect and build dynamic web experiences that hold up under the demands of real users and real editorial teams, working across the stack.
  • Elevate the team's velocity and craft by introducing and socializing tools and practices that raise the technical bar.

Fueled is a leading digital strategy, design, and engineering agency. They are a 300+ person team that has designed and built hundreds of digital products and experiences for brands.

Europe US

  • Build and evolve core platform foundations that power n8n’s workflow engine and frontend platform.
  • Contribute to backend subsystems like durable workflow execution & state, orchestration patterns, queue/task distribution.
  • Improve data architecture and database performance, reliability, and maintainability.

N8n is an open workflow orchestration platform built for the new era of AI, giving technical teams the freedom of code with the speed of no-code. They have a diverse team of over 260, working across Europe and the US and are backed by top investors, with a valuation of $5.2bn.