Senior/Staff/Principal Engineer

Canonical, a trailblazer in open source software and operating systems, invites applications for the position of Senior, Staff, or Principal Engineer. This role is fully remote, allowing you to work from anywhere in the world. At Canonical, our flagship platform, Ubuntu, empowers enterprises with cutting-edge solutions in cloud computing, data science, artif…

Join us at Linear, where we are redefining the landscape of software development. Our mission is to reinvigorate the software experience by empowering product teams with an innovative issue tracking and project management tool that marries stunning UI with unmatched performance. Since our inception in 2019, Linear has swiftly become the go-to platform for over 20,000 companies striving to elevate their product development processes.Operating fully remotely from day one, our dynamic team is spread across North America and Europe. We share a unified vision driven by a commitment to excellence, swift execution, and a genuine passion for software craftsmanship. As makers at heart, we place great importance on the quality of our work.In our tight-knit team, versatility is key; we embrace challenges and foster a culture of continuous learning. We are in search of seasoned professionals who can tackle complex problems in both product and code. Our technology stack prominently features TypeScript, enabling us to build scalable systems that support ongoing progress on a robust foundation. While expertise in every tool we utilize isn’t mandatory, a solid grounding in JavaScript and experience with React and TypeScript are essential.Please note: We are an equal opportunity employer and operate as a remote-only company. Currently, we can only consider candidates within most European time zones for this role.Your ResponsibilitiesDesign and develop new user-facing features utilizing visually appealing and scalable UI components.Collaborate closely with founders and design teams to swiftly implement innovative feature concepts.Construct intricate React components, from drag & drop functionalities to virtualized large data rendering.Integrate real-time collaborative editing capabilities into our content editor.Enhance application performance through careful profiling.Redefine and implement best-in-class software development processes to create a purpose-built product.Our Technology StackOur technology stack mirrors the systems we build and operate. While we don’t expect you to be proficient in every technology listed, you should be enthusiastic about collaborating on product development, performance optimization, and scaling real-world applications.Pluggable agentic workload system leveraging Temporal, designed for production-scale operations.Custom websocket data synchronization framework optimized for speed and offline capabilities.Frontend technologies include React, MobX, and styled-components.Robust, widely adopted GraphQL API and SDK.Backend technologies include Node.js, PostgreSQL, Temporal, and Redis.

At GitLab, we are revolutionizing software development with our cutting-edge AI-powered DevSecOps Platform, embraced by over 100,000 organizations globally. Our mission is to empower everyone to contribute to the software that drives our world forward. By fostering a culture where consumers can become contributors, we are accelerating human progress and breaking down barriers in technology. Our platform enhances collaboration across teams and organizations, pushing the boundaries of what's achievable in software development. With innovative products like Duo Enterprise and Duo Agent Platform, we deliver AI benefits at every stage of the software development lifecycle (SDLC).Our commitment to AI extends into our workplace culture, where team members are encouraged to integrate AI into their daily workflows to enhance productivity and drive impactful innovation. At GitLab, we nurture careers, promote creativity, and value every voice. Our high-performance culture is rooted in our core values and a continuous exchange of knowledge, empowering our team to reach their full potential while collaborating with industry leaders to tackle complex challenges. Join us in co-creating the future as we develop technology that transforms the software development landscape.Role OverviewWe are in search of a Principal Engineer to spearhead the technical direction for our vital infrastructure platforms. This key role operates on an organizational scale, taking ownership of architecture, addressing complex system challenges, and leading initiatives that influence GitLab's growth, performance, and reliability.As a Principal Engineer, you will act as a technical authority and force multiplier, guiding architectural decisions across distributed and cloud-native systems, translating business strategies into sustainable technical paths. Collaborating across multiple teams and domains, you will clarify ambiguity, elevate engineering standards, and mentor senior talent, all while being accountable for tangible production outcomes. This hands-on, high-impact position is tailored for leaders who excel through influence and shape the foundational platforms crucial to our organization.

Join Our Mission-Driven TeamAt Great Minds, we are a dynamic and rapidly growing organization established by educators in 2007. As a for-profit Public Benefit Corporation, we are committed to ensuring that every student has access to meaningful and challenging educational content. We also believe that teachers deserve effective and intuitive tools designed for the realities of modern classrooms.Our team develops high-quality, research-based curricula in math, science, and English Language Arts (ELA) that are crafted in collaboration with educators. Our materials are tailored to meet real classroom needs and are focused on achieving sustainable student outcomes.Our Innovative ProductsOur renowned products—Eureka Math, Wit & Wisdom, PhD Science, Geodes, and the recently introduced Arts & Letters ELA—are trusted by thousands of schools and districts across the nation.Eureka Math is the leading math curriculum in the U.S., balancing conceptual understanding, procedural fluency, and real-world application.Wit & Wisdom® and Arts & Letters ELA™ anchor our reading strategies with content-rich, grade-specific instruction that integrates literature, history, and the arts, all grounded in reading science. Geodes® enhances our reading suite with decodable texts that connect phonics and meaningful content to promote early literacy.PhD Science is a hands-on K-5 science program that ignites curiosity and fosters a lasting understanding of scientific concepts.Our programs reflect a shared commitment to high expectations, joyful rigor, and deep respect for both educators and students.Our Vision for the FutureGreat Minds is entering an exciting new phase of growth and product maturity. We are dedicated to creating more interconnected, customer-focused experiences throughout the entire educator journey—from curriculum development to professional learning and comprehensive support.Our long-term goal is to become a true partner in educational impact, not just by delivering curriculum, but by supporting educators in achieving significant outcomes at scale.Job PurposeA Senior Staff Engineer will lead...

About LiatrioLiatrio is a specialized consulting firm dedicated to accelerating software delivery for enterprises with a focus on speed, security, and efficiency. Our dual approach encompasses engineering delivery and empowering teams through knowledge transfer. We spearhead DevOps transformations across various sectors, including finance, healthcare, and government agencies.What We’re SeekingWe are in search of an experienced technical principal, engineering manager, or lead engineer who is passionate about modern engineering practices and committed to empowering clients through coaching, training, and knowledge sharing.As a technical principal, you will ensure delivery excellence for our clients, cultivating solid relationships as a trusted strategic advisor. Internally, you will enhance team morale, provide constructive feedback, and oversee staffing needs for engagements, typically managing a team of 4-8 members ranging from Associate Engineers to Tech Leads.Common industry titles associated with this role include:Engineering Manager, Engineering Practice Lead, Lead EngineerWho You AreAt Liatrio, we value individuals who embody the following traits:- Eagerness to learn and grow- Commitment to open communication and transparency- Collaborative spirit and readiness to share responsibilities- Ability to engage in difficult conversations effectively- Passion for solving complex interpersonal, technical, and business challenges- Capacity to recognize shortcomings and propose solutions- Empathy and support for others- Appreciation for mentoring and fostering growth in others- Adaptability in navigating ambiguity and frequent changesWhat You’ll DoThis position is a player-coach role, allowing you to engage hands-on in technical problem-solving while also guiding and mentoring others in the process.

At Assured, we are dedicated to transforming the insurance landscape. Claims processing, often sidelined, is the very core of the industry. Currently, this process is labor-intensive, relying on phone calls, faxes, and instinctual judgments, which costs the industry billions annually. We believe there’s a better way.We empower major insurers with innovative software solutions designed for success in a modern, tech-centric world. From streamlined self-service claim-filing tools to backend fraud detection systems, we are the driving force behind claims processing for some of the world’s largest insurance companies.The challenges we encounter are vast and varied, from crafting digital experiences that bring comfort and clarity to claimants during their most daunting moments to orchestrating large-scale, machine learning-driven decision-making on billions in claims payments. Life at Assured is dynamic, collaborative, and fulfilling.Join us as a Senior Staff Release Engineer and play a pivotal role in revolutionizing our software delivery process. You will be at the heart of our deployment strategy—automating, refining, and ensuring that every release transitions seamlessly from development to production. This position merges hands-on technical expertise with strategic influence, empowering you to enhance release practices across various teams.Your Responsibilities Design and enhance fully automated CI/CD pipelines for reliable, zero-downtime releases. Work collaboratively with developers, QA, product, and SRE teams to ensure deployment readiness. Diagnose and resolve intricate release and environment issues, implementing root-cause solutions. Manage the Release Candidate (RC) lifecycle, ensuring builds meet quality, stability, and compliance standards. Establish and refine deployment, rollback, and verification protocols to safeguard production environments. Provide mentorship and guidance to engineers on best practices for release management and automation strategies. Oversee and maintain consistent environment configurations across development, staging, and production. Lead emergency and out-of-cycle deployments with precision and confidence. Conduct Go/No-Go reviews, balancing technical readiness with business priorities.Qualifications 5+ years of experience in release engineering, DevOps, or application deployment. Demonstrated proficiency with GitLab CI/CD, Git, and automated testing integrations. Strong understanding of cloud infrastructure and orchestration tools. Experience with containerization technologies such as Docker and Kubernetes. Excellent problem-solving skills with a focus on innovation and efficiency.

At Assured, we're revolutionizing the insurance landscape by modernizing claims processing—a crucial yet often neglected aspect of the industry. Currently, the process relies heavily on manual efforts, such as phone calls and faxes, resulting in inefficiencies that cost billions annually. We're here to change that.Our mission is to empower large insurance providers through innovative software solutions tailored for today’s technology-driven world. From intuitive self-service claim-filing systems to advanced backend fraud detection mechanisms, we serve as the backbone for claims processing for some of the largest insurers globally.Facing a myriad of challenges, we strive to create digital experiences that offer reassurance and clarity to claimants during their most stressful moments, while also managing large-scale machine learning-driven decision-making processes involving billions in claims payments. Life at Assured is dynamic, collaborative, and fulfilling.We are seeking a Senior AI Engineer to spearhead the development of next-generation AI-powered systems central to our platform. In this hands-on leadership role, you will architect scalable solutions, mentor fellow engineers, and push the boundaries of what’s possible with large language models (LLMs) and contemporary development tools.If you are passionate about AI, enjoy solving complex challenges, and are eager to see the tangible impact of your work, we want to connect with you.

Join Canonical as a Staff Engineer in Development Lifecycle and lead the initiative to adapt Ubuntu for applications in automotive, aerospace, industrial robotics, and other highly regulated sectors. Your role will be pivotal in transforming complex regulatory demands into actionable engineering excellence, ensuring Ubuntu stands as the premier choice for mission-critical systems. Collaborate across teams to cultivate a culture of quality and continuous improvement, and establish strong partnerships within the industry to advance open-source software's reputation in highly regulated environments.

Note: This is a completely remote position; however, applicants must reside within the EMEA region to effectively collaborate with our teams and stakeholders. Please apply only if you are based in EMEA.Hostaway is a leading SaaS scale-up revolutionizing the vacation rental market. With cutting-edge solutions and strategic partnerships with industry leaders such as Airbnb, VRBO, and Booking, we are successfully navigating the competitive landscape. Our commitment to customer-centric values enables us to consistently achieve results that foster growth, innovation, and learning for our team, clients, and the industry as a whole.As a profitable, high-growth company and the first unicorn in the short-term rental Property Management System sector , we invite you to join us during this exciting phase of our journey. To learn more about our recent valuation and our story, click here.As the Principal Frontend Engineer, you will be responsible for establishing and advancing the overarching frontend vision of the organization. This role involves shaping our design system, enhancing developer experience, setting accessibility standards, and architecting our frontend solutions. You will collaborate closely with leadership across Product, Design, and Engineering to ensure our platform's seamless scalability while empowering teams to deliver exceptional user experiences that redefine industry standards.

Join Canonical, a trailblazer in open source software and operating systems, as we redefine the cloud networking user experience. Our flagship platform, Ubuntu, powers transformative enterprise solutions in sectors like public cloud, AI, data science, and IoT. Serving a diverse clientele that includes top public cloud and silicon providers, Canonical is a pioneer in global distributed collaboration, boasting over 1200 employees across 75+ countries and a flexible remote work culture. We gather in dynamic locations worldwide two to four times a year to align on strategic initiatives.As a Senior UX Design Engineer at Canonical, you will play a crucial role in shaping how developers and operations teams interact with cloud networking infrastructure. Your mission will be to create intuitive, powerful, and engaging user experiences that simplify complex networking concepts. You'll lead the UX vision for our cloud portfolio, which includes MAAS, MicroCloud, and Ubuntu Server networking, helping to visualize network topologies and streamline configuration processes.

At Assured, we are revolutionizing the insurance industry by streamlining claims processing, a critical yet often neglected element of this sector. Currently bogged down by manual processes, including phone calls and faxes, this area incurs substantial costs annually. We believe there's a better way.We empower large insurance providers with innovative software solutions tailored for a technology-centric environment. Our offerings range from user-friendly self-service claim-filing tools to sophisticated backend fraud detection systems, propelling claims processing for some of the world's foremost insurers.The challenges we encounter are vast and varied, from designing digital experiences that provide comfort and clarity during stressful times to orchestrating extensive machine learning-driven decision-making for billions in claims payments. Life at Assured is dynamic, collaborative, and immensely fulfilling.We are currently on the lookout for a highly skilled Senior Staff QA Engineer to join our innovative team. In this essential role, you will be at the forefront of developing and executing advanced testing strategies to guarantee the delivery of high-quality software products. Collaborating closely with product owners, developers, and various stakeholders, you will help define and implement industry-leading quality assurance processes.

At Linear, we are dedicated to revolutionizing the software experience. Our mission is to empower product teams with an innovative issue tracking and project management tool that seamlessly blends elegant design with exceptional performance. Established in 2019, Linear has swiftly become the preferred platform for over 20,000 companies to effectively plan and develop their products.From our inception, Linear has embraced a fully remote work culture. Our dynamic and agile team is dispersed across North America and Europe, united by a shared commitment to excellence, rapid execution, and a passion for software craftsmanship. As creators at heart, we take immense pride in the quality of our work.As part of our close-knit team, you'll be a generalist tackling diverse challenges. We are on the lookout for experienced engineers who can identify problems and deliver solutions. Utilizing TypeScript, we build scalable systems that enable us to make continuous progress on a robust foundation. While we don’t expect expertise in every technology we use, a strong grasp of JavaScript fundamentals and experience with React and TypeScript are essential.Please note: We are an equal opportunity employer and a remote-only company. Currently, we can only hire candidates located in most European time zones for this role.Your ResponsibilitiesDevelop new user-facing features encompassing everything from database models to GraphQL resolvers and UI components.Enhance our data synchronization stack through improved serialization protocols.Integrate real-time collaborative editing capabilities into our content editor.Optimize performance by profiling and refining virtualized list rendering.Incorporate analytics, monitoring, and alert systems to enhance our operational incident response.Open-source significant innovations arising from our product development efforts.Redefine best-in-class software development processes to create a purpose-built product.Our Technology StackOur technology stack reflects the systems we develop and operate. While you don’t need experience with every tool listed, enthusiasm for working closely with product development, performance optimization, and real-world scale is essential.Pluggable agentic workload system utilizing temporal, operating at production scale.Proprietary websocket data sync framework designed for speed and offline support.React, MobX, styled-components, and TypeScript.

ABOUT YOUXsolla is on the lookout for an experienced Principal Engineer specializing in Identity and Access Management (IAM) and Golang backend development. In this pivotal role, you will spearhead the advancement of our authentication and authorization systems, empowering developers and players to interact securely and seamlessly within the Xsolla ecosystem.ABOUT USXsolla is a pioneering global commerce company, offering a comprehensive suite of tools and services designed to tackle the unique challenges faced by the video game industry. From independent developers to major studios, partners turn to Xsolla for support in funding, distributing, marketing, and monetizing their games. With a firm belief in the potential of video games, Xsolla is dedicated to uniting opportunities and consistently providing new resources for creators. Based in Los Angeles, California, Xsolla serves as the merchant of record and has empowered over 1,500 game developers worldwide to expand their reach and enhance their businesses. With multiple avenues for profit and success, developers have everything they need to thrive in the gaming world.For further details, visit xsolla.com.

About Medallion:At Medallion, we are dedicated to empowering healthcare teams to prioritize what truly matters—providing outstanding patient care. Our innovative provider operations platform is designed to eliminate the administrative hurdles that hinder healthcare organizations. Through our solutions for licensing, credentialing, payer enrollment, and compliance monitoring, we enable healthcare operations teams to optimize their workflows, enhance provider satisfaction, and boost revenue generation—all while ensuring exceptional patient outcomes.Recognized as one of the fastest-growing healthcare technology companies, Medallion has garnered accolades such as No. 3 on Inc. Magazine’s 2024 Fastest-Growing Private Companies in the Pacific Region and No. 5 on LinkedIn's 2024 Top Startups in the US. We are also proud to be named a Glassdoor Best Place to Work for both 2024 and 2025, and featured on The Today Show. Our CEO, Derek Lo, has been honored as one of the Top 50 Healthcare Technology CEOs of 2024 by The Healthcare Technology Report. Backed by $130 million in funding from prestigious investors like Sequoia Capital, Google Ventures, and Salesforce Ventures, we are on a mission to transform healthcare at scale.We prioritize candidate safety. Please note that official communication will only come from @medallion.co email addresses.About the Role:As a Staff Software Engineer at Medallion, you will collaborate closely with senior team members on impactful projects, delivering production code from your very first week. You will gain exposure to a wide array of technologies while quickly taking on increased responsibilities. Enjoy the freedom to work autonomously, influence the company’s roadmap, and implement features that create a significant impact on the healthcare system—all within a supportive and experienced team comprising engineers, PMs, and designers.This role reports to one of our Engineering Managers, with base compensation ranging from $190,000 to $240,000. Along with base salary, Medallion provides equity and comprehensive benefits as part of the total compensation package. Pay is determined by various factors, including market data, geographic location, skills, qualifications, experience, and role level.What You'll Do:Engage in significant projects with business impact from day one.Scope and lead large projects, navigating ambiguity while ensuring technical excellence.Contribute to the development of the team roadmap, balancing key technical and product trade-offs.

About LiatrioLiatrio is a specialized consulting firm dedicated to empowering enterprises in delivering software solutions faster, safer, and more efficiently. We operate in dual modes: engineering delivery and people enablement. Our expertise spans across various sectors, including financial services, healthcare, and defense, leading transformative DevOps initiatives that enhance operational efficiencies.What We’re Looking ForWe are seeking a dynamic individual with recent experience as an account principal, delivery principal, engineering director, consulting director, or vice president of engineering. You should be passionate about modern engineering practices and skilled in knowledge transfer, coaching, training, and upskilling clients.The Delivery Principal will ensure exceptional client engagement, cultivating strong relationships as a trusted strategic advisor while driving overall project success. This role will also enhance team morale, provide constructive feedback, and address staffing requirements for engagements. You will manage a team of 4-10 direct reports and oversee several smaller engagements or one larger project.Industry Titles Corresponding to This Role:Engineering Director, Director of Professional Services, Director of Platform Engineering, Director of Cloud, Vice President of Engineering, Head of Center of Excellence, Head of DevOps, Strategic Architect, Consulting Director, Delivery Principal.Who You AreAt Liatrio, we value team members who embody the following traits:• A strong desire to learn and grow• Commitment to open communication and transparency• A collaborative spirit, willing to share responsibilities across teams and with clients• Capable of effectively navigating challenging conversations• A problem-solver for complex interpersonal, technical, and business challenges• Acknowledging weaknesses and proactively offering solutions• Demonstrating empathy towards colleagues and clients• Enthusiastic about mentoring and fostering growth in others• Comfortable with ambiguity and rapid changesWhat You’ll DoThis managerial position requires you to be a proactive, hands-on advisor for clients undergoing DevOps transformations, guiding others to achieve similar success.

Join our innovative team at Raya as a Staff Backend Engineer specializing in Recommender Systems. In this fully remote role, you will leverage cutting-edge technology to develop and enhance our recommender systems, ensuring optimal user experience and engagement. Collaborate with cross-functional teams to design scalable solutions that drive business value.

WunderGraph is a growing startup focused on helping teams build digital products together, from initial idea through to launch. The platform brings developers together, making it easier to move from interface design to API implementation. WunderGraph aims to remove obstacles that slow down creativity and productivity. Developers at some of the largest global companies use WunderGraph to fine-tune their API environments. In March 2025, WunderGraph closed a $7.5 million USD Series A round with support from eBay, Karma Ventures, and Aspenwood Ventures. Culture matters at WunderGraph. Read more about our approach to Building the Company We Always Wanted to Work In. WunderGraph values direct communication and impact. Every team member’s voice counts. Role Overview The Staff Platform Engineer will own the core cloud infrastructure behind the WunderGraph Cosmo platform, serving enterprise customers across EMEA. The main focus is to keep the platform reliable, fast, and scalable by setting and meeting strict Service Level Objectives (SLOs). This position blends operational leadership with infrastructure engineering and product development in Go. The role involves designing internal systems for growth and managing essential product infrastructure. Key areas include: Overseeing the customer-facing telemetry pipeline using OpenTelemetry and ClickHouse Maintaining and improving the AI pipeline that supports WunderGraph’s products The ideal candidate brings hands-on technical leadership and enjoys solving complex, large-scale challenges, whether debugging distributed systems, tuning network performance, or automating infrastructure for better cost efficiency.

At Assured, we are revolutionizing the insurance landscape by modernizing the often-overlooked process of claims handling. Currently, this vital component of the insurance industry relies heavily on manual methods, such as phone calls and intuition, leading to inefficiencies costing billions annually. We believe there's a more effective way to operate.Our mission is to equip large insurance companies with cutting-edge software solutions that enable them to thrive in today's technology-driven world. From user-friendly self-service claim-filing software to advanced backend fraud detection systems, we are the powerhouse supporting claims processing for some of the leading insurers globally.The challenges we encounter are vast and varied—ranging from crafting digital experiences that provide comfort and clarity to claimants during their most vulnerable moments, to implementing large-scale machine learning-driven decision-making for billions in claims payouts. Life at Assured is dynamic, collaborative, and immensely rewarding.We are seeking a highly skilled Senior Full Stack Engineer to help expand and refine our B2B SaaS platform. In this role, you will collaborate across the technology stack, designing systems, delivering intuitive customer-facing features, and driving improvements that allow us to innovate more rapidly and effectively.Your contributions will be pivotal in shaping our technical direction, mentoring junior engineers, and translating product concepts into seamless, high-performance experiences. If you are passionate about end-to-end development, from data structures to user interface design, and are eager to make a significant impact on our product and architecture, we want to hear from you.

At River, we are on a mission to establish the most reliable financial institution, empowering individuals to take charge of their financial futures through Bitcoin—an incorruptible digital currency. We envision a future where each person has Bitcoin savings, and every business incorporates Bitcoin into their financial portfolio. Our focus is on designing and developing user-centric products that facilitate the buying, selling, securing, and utilization of Bitcoin.We are seeking a highly skilled Staff Software Engineer who is proficient across the entire web stack and has a proven track record in building and maintaining large-scale production systems. In this leadership role, you will set a high standard for quality, mentor junior engineers, and contribute to our innovative engineering team. Our technology stack includes Elixir, React, and PostgreSQL.River is rapidly expanding and has successfully raised over $50 million from prestigious investors, such as Goldcrest, Kingsway, Polychain, M13, DG, and Valor. We are committed to transparency, having publicly shared our financials and proof of reserves, allowing clients and employees to verify our business's strength and growth.

At Assured, we're on a transformative journey to revolutionize the insurance industry by modernizing claims processing. This often-overlooked aspect of insurance, characterized by outdated manual methods, costs the industry billions annually. We know there’s a better way. As a leading provider of software solutions for large insurers, we equip them with innovative tools ranging from user-friendly claim-filing software to advanced backend fraud detection systems. Our platform is the driving force behind claims processing for some of the world’s largest insurers. The challenges we tackle are multifaceted, from crafting digital experiences that provide reassurance to claimants in their times of need to implementing sophisticated machine learning-driven decision-making processes affecting billions in claims. Life at Assured is dynamic, collaborative, and fulfilling. We invite you to join us in redefining the future of developer experience at Assured. We are seeking a **Senior Application Platform Engineer** who is enthusiastic about creating scalable, secure, and sophisticated systems that empower teams to operate swiftly and confidently.