\nAbout Firework\nJoin Firework – Where Innovation Meets Impact\n\n\nFirework is revolutionizing connected commerce with the world’s most advanced and largest AI-powered video commerce platform, trusted by global brands and leading retailers. We bring the energy of in-store experiences online, transforming how businesses engage, convert, and build lasting customer relationships.\n\n\nAt Firework, you’ll be part of a high-growth, team-centric environment where innovation thrives and collaboration fuels success. Having raised over $235m to date led by investors such as the SoftBank Vision Fund 2 and operating at a global scale, we offer unparalleled opportunities to work cross-functionally, solve complex challenges, and drive meaningful impact in the future of connected digital commerce.\n\n\nIf you’re curious, ambitious, and energized by big ideas, Firework is the place to grow, lead, and shape the next era of online shopping—together.\n\n\nSummary\nOur engineering team is growing! We’re looking for a talented Sr.Backend Engineer to join a small global team who will bring technical expertise and leadership along with hands-on development of backend software development and SaaS solutions. \n\n\n\nWhat you’ll be doing\n* Build scalable AI application infrastructure and services with Python\n* Design and develop REST APIs / GraphQL for data and machine learning services\n* Take full stack ownership by consistently writing production-ready and testable code\n* API / Python runtime latency optimization (Python, SQL, NoSQL, 3rd party APIs)\n* Consistently creates optimal design adhering to architectural best practices; considers scalability, reliability, and performance of systems/ contexts affected when defining technical designs\n* Contribute to a culture of innovation, collaboration, and continuous improvement\n* Take feedback from code review and apply changes to meet standards. Conduct code reviews to provide guidance on engineering best practices and compliance with development procedures\n\n\n\nWe’ll be excited if you have\n* BS or MS in Computer Science or any relevant STEM majors.\n* Production experience with Big Data, NoSQL, and RAG\n* 5+ years developing highly scalable production-grade backend services using Python, Elixir experience is a huge plus but is not required\n* Have worked directly with distributed processing frameworks such as Hadoop, Spark, Beam … or have worked on a backend system that interacts meaningfully with such a framework is a big plus\n* Work autonomously, are excited by new platforms, big data, and machine learning technologies, and will never back down from the challenges of scale\n* Passionate about writing clean and testable code\n* Production experience with generative AI / ML applications\n\n\n\nA BIG PLUS if you have\n* Expertise with video streaming libraries such as FFmpeg or GStreamer\n* Experience working with video/audio codecs\n* Experience working with live streaming encoders and WebRTC\n* Experience working with AI/ML models and applications\n* Experience in building large-scale applications with Python\n* Experience writing GraphQL queries and mutations\n\n\n\n\n\n\nWe are looking for remote candidates based in Canada.\n\n\nThe approximate annual pay range for this role is CAD $125,000 - 160,000. Other factors that impact compensation may include stock options. The posted pay range represents the anticipated low and high end of the compensation for this position and is subject to change based on business need. To determine a successful candidate’s starting pay, we carefully consider a variety of factors, including primary work location, an evaluation of the candidate’s skills and experience, market demands, and internal parity. Candidates may receive more information from the talent partner.\n\n\nDon’t hold back\nWe understand some candidates may see the above and not apply because they don’t meet all the qualifications. We encourage you to apply anyway; we often find talented candidates that fit many other opportunities we have and look for potential too, not just what you did in the past.  As an equal employment opportunity employer, we are a diverse team that strives for an inclusive environment for all. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, age, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, SaaS, GraphQL, Python, Video, Engineer and Backend jobs that are similar:\n\n $70,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nCanada

\nRubiconMD is an innovative healthcare company bringing better care at lower costs to providers and their patients across the country. RubiconMD’s mission is to ensure that all patients have access to the care they need, no matter who they are or where they live. It’s no small order, but we achieve it with the right team. That’s why we hire empathetic, passionate, and strong leaders who are looking to make an impact in the world through our core values: Human, Agile, Innovative & Collaborative.\n\nIf you’re passionate about having a positive impact by revolutionizing the healthcare system and democratizing access to care, we’d love to learn more about you!  Our engineering team is located across the US, primarily based in New York City, and throughout Spain.  \n\nKey responsibilities include:\n\n\nChampion end-to-end feature development with participation in system design & architecture, engineering implementation, software release, and technical support\n\nShare and be open to learn from your peers via pair programming, technical writing, code reviews, architecture discussions, and active engagement with stakeholders\n\nMake explicit tradeoffs between technical implementation directions, and strive to clearly communicate to your peers what data drove you to make these choices\n\nIdentify and advocate for opportunities to improve the performance, reliability, and scalability of technical stack and processes\n\nBuild accessible, secure, and performant software solutions in a highly regulated healthcare environment. These may include on platform features, internal support tooling, mobile applications, and third party integrations\n\n\n\n\nAbout our stack:\n\nEverything's up for debate but we want to leave you with a good idea of what tools we are using today. While keeping our current tool box up to date, we are open minded about trying new technologies and ideas that may better fit our needs.\n\nAt the highest level, our Ruby on Rails backend is hosted in AWS with our Angular frontend being served through a CDN. We process tasks asynchronously and leverage a frontend cache to help reduce network calls against our GraphQL APIs. Our Data Science team works off of a data lake, pulling dataframes into python for reporting and analytics.\n\nThis is the general idea and we’re happy to jump into all the details with you!\n\nDesired skills and experience:\n\n\nWe are using Angular 13 which means we hope you’ve had strong experience in TypeScript with modern web frameworks that utilize the virtual dom, change detection, and have explored Observables / Streams.\n\nWhen things get tough, we count on you to jump into the Chrome Debugger and utilize your underlying experience in JavaScript, HTML, and best practices using CSS.\n\nWe favor reusability, and share libraries across projects. You should have opinions on defining and maintaining shared resources and both internal and external libraries.\n\nIn delivering robust software, we expect you to bring some opinions about clean code, testability, and design patterns.\n\nWe use GraphQL as a query language for our API between frontend and backend. You should have experience utilizing APIs and designing contracts between engineering teams.\n\n\n\n\nHow we work:\n\nWe use scrum to organize into delivery teams which are autonomous, and responsible for holistically delivery features and pilots to our users. Our teams include fullstack, frontend, and backend engineers. We round out the team with a dedicated Scrum Master and Product Owner. These teams operate on a two-week sprint.\n\nAdditionally we have DevOps and Data Science teams providing support and insight across team functions.\n\nOur Hiring Philosophy:\n\nRubiconMD’s founding mission is to democratize medical expertise, so that all patient populations have access to the care they need. In order to deliver on this, we focus on empowering primary care providers, who we believe are the key to a thriving, equitable health care system. It’s no small order, but we can achieve it with the right team. That’s why we hire people with drive and leadership, who are also highly accountable—to each other, to the providers we serve, and to the impact we exist to make.\n\nRubiconMD is an equal opportunity employer and prohibits discrimination against persons of any kind on the basis of race, color, religion, gender, sexual orientation, nation of origin, age, disability, and genetics.\n\n**COVID-19 vaccination is a condition of employment for US employees unless there is a legally protected reason for an accommodation. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Software, DevOps, Python, Typescript, Angular, Ruby, API, Mobile, Medical, Engineer and Backend jobs that are similar:\n\n $70,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n