Awesome companies using Elixir

AccessTrial is a healthcare company in Nice, France that enables physicians to identify ongoing clinical trials and facilitates patient inclusion via patient/trial matching algorithms. Our objective is to promote and facilitate access to innovation in oncology and onco-hematology.

Since 2014, Albert has been powering feedback loops for students and teachers to improve educational outcomes. We do this by providing students with engaging, thought-provoking questions and feedback and teachers with actionable data and flexible instructional tools. We believe we can make the biggest impact by working through teachers, equipping them with the highest quality practice and assessment content possible.

Compensation is more than a pay-check, and traditional approaches don’t adequately reflect it or the way people work today. We’re on a mission to change that. We see compensation as everything a company gives their people in return for the work they do. It should be easier to understand, offer, manage and spend. Long-term, we’re working towards becoming the place where compensation happens and is managed by those who award and receive it. We’re on our way to coining the term “Compensation-as-a-service”. We’re proud to be backed by leading European VC funds, having raised over €20 million.

At Curiosum, we're passionate about Elixir - it’s been our focus from day one. Over the years, we've had the pleasure of working on more than 30 projects with clients from all over the world. But it's not just about the work - we love giving back to the community too. Whether it's hosting monthly Elixir meetups, contributing to open-source libraries, or attending conferences, we’re always finding ways to stay connected and share our knowledge.

We are making software for edtech

Decidr is an innovative technology platform designed to transform business operations through the integration of advanced AI.

Discord has evolved from a chat platform for gamers into a powerful communication tool used by millions worldwide. Its ability to seamlessly handle thousands of voice and video channels at once makes it an ideal choice for companies and organizations seeking effective collaboration tools. With 196.2 million monthly active users, Discord continues to grow rapidly, leveraging Elixir as its programming language of choice. In fact, the company has successfully integrated Rust into its Elixir-based architecture to further enhance performance and efficiency.

We’re Doccla, the virtual ward company. We provide patients and clinicians with the transformative power of remote patient monitoring. Our existing customers are Hospitals, Community Services, and NHS Commissioners that we partner with to deliver tech enabled virtual wards. With our technology, logistics, and support patients can be discharged from a hospital ward to a virtual one and recover in the comfort of their own homes. Patients love our care pathways and health services become more efficient; it’s a win-win. We are a young company with big aims and a lot of momentum. In the summer of 2022 we raised $18M in an oversubscribed A round led by General Catalyst, a top tier global VC fund and have gone from strength to strength since: we’ve won a series of large multiyear NHS contracts, extended 100% of our existing client contracts. This is your chance to join us at a key stage of our growth. Our ambition is to be a category leader for virtual healthcare. You will be joining a highly entrepreneurial team that combines technical, clinical, operational, and commercial colleagues. We're solving real problems for patients and health systems. we’re looking for dedicated people with a passion for healthcare. We hire for engineers and product in the UK - all roles are remote.

The Financial Times has been a trusted source of news since 1888, with a significant online presence that reached a milestone last April - one million paying readers. To keep up with this growth and improve performance, they switched from traditional microservices to a GraphQL API built on Elixir. This change has had a positive impact, with another Elixir-based app also in their portfolio and a notable reduction in memory usage compared to Java. The team at Financial Times found Elixir easy to learn and adopt, citing Ellis Pritchard's endorsement as an added advantage of the language.

The Elixir programming language and its framework, Phoenix, offer a comprehensive set of tools for building web applications. Elixir's clean standard library, modern features like protocols, streams, and agents, and built-in support for date/time, calendar, and math operations make it easy to write performant code. The Phoenix framework provides advanced routing, plug-able steps, and secure cookie sessions, along with internationalization tooling. Its LiveView feature allows developers to build server-rendered live UI components using Elixir's native syntax, eliminating the need for JavaScript or other languages. With a vast ecosystem of libraries available for tasks like machine learning, data processing, and embedded systems, and powered by Fly.io's scalable infrastructure that supports instant deployments, hardware isolation, and private networking, the combination of Elixir, Phoenix, and Fly.io provides an incredibly powerful toolset for building web applications efficiently and effectively.

Happily is home to the largest and most diverse network of onsite and virtual event specialists: designers, engineers, curators, producers, marketers, strategists, editors, directors, and more. We work with the best and strive for excellence in everything we do. We are Innovative Explorers who believe that events powered by cutting-edge technology can advance human connection in new and exciting ways!

Haven is building the future of migraine care for the 40 million Americans who suffer from this debilitating neurological condition. Backed by Precursor Ventures and 1843 Capital, we're transforming how migraine is treated through an innovative combination of telemedicine, AI-enabled monitoring, and personalized care plans. Our early results are exceptional - our initial patient cohort is seeing a 70% improvement rate with days impacted by headache reduced by half. We've built our platform using Elixir, Phoenix and LiveView on AWS, with infrastructure as code managed through Terraform and CI/CD via Github Actions. We leverage Postgres for a variety of purposes. Our philosophy emphasizes simplicity and pragmatism. While our immediate focus is on scaling our core platform, we have ambitious plans to leverage AI for patient care optimization, clinical decision support, and automated care routing. The codebase is only a year old, so there's a lot to build but that also means there's not much cruft or legacy code.

Instinct Science is an 100% remote, animal health software company that helps the world’s leading veterinary practices enhance patient care, improve staff efficiency, and minimize burnout. Our easy-to-use platform acts as the nerve center for veterinarians, veterinary nurses, and support staff alike, fostering seamless collaboration across teams. With our January 2024 acquisition of VetMedux, a trusted education and point-of-care information company for veterinarians, Instinct has strengthened our commitment to delivering the mission-critical tools veterinary practices need to care for their patients at the highest level and with the best outcomes! We’re fueled by compassion! Our team, our customers, and their patients and animal owners matter immensely to us. We put the Customer First; Act with Grace, Not Teeth; Do the Right Things for the Right Reasons; and know that Excellence is in our DNA.

The Problem – Friction in Healthcare Healthcare is segmented into distinct silos across Providers, Payors, Patients, and Partners. The silos cause friction across the different stakeholders, resulting in increased costs and reduced accessibility for Patients, and significant lost opportunity for revenue for Providers, Payors, and Partners. There is an incredible untapped opportunity in healthcare to connect these silos. The Solution – The Intelibly Ecosystem The Intelibly Platform improves healthcare access by removing friction through connecting healthcare silos into a single ecosystem. Intelibly is making an impact into multi-billion dollar enterprise healthcare companies through creating premium lift, reducing claim costs, and keeping patients in-network to both increase revenues and decrease costs. Intelibly’s Mission is to become the Central Hub connecting Payors and Providers for the benefit of Patients gaining easy access to Healthcare and to be the Source of Truth for Provider relationships, Patient Scheduling Data, and Payor Member and Network Attribution.

Leav is a mobile-first point of sale company designing software for enterprise retailers. We work with large customers ranging from apparel and sporting goods to home improvement. Our mission is to make shopping mobile first, and we do this by bringing the digital shopping experience to the physical store.

With our modern PATOffice software solution, we want to use patent data to help companies identify innovation and technology trends and analyze competitors. In this way, efficient and sustainable decisions can be made for tomorrow. PATOffice is an innovative B2B IP management software solution that uses a modern AI approach to analyze millions of patents from around the world and convert them into relevant information. What makes us special? Sometimes only hours pass from the idea to the release. We are never satisfied with the status quo, are innovative and are constantly looking for new ways to inspire our customers.

Pinterest has been leveraging the Elixir programming language to enhance efficiency and scalability in various parts of their system. The company's adoption of Elixir has led to significant improvements in its notification system, allowing for faster and more reliable communication between users. Additionally, Elixir has simplified and improved Pinterest's rate-limiting system, reducing complexity and overhead associated with it. This has resulted in improved performance and scalability, enabling the platform to better manage traffic spikes and remain responsive even under heavy load. Overall, the use of Elixir has allowed Pinterest to improve the efficiency and scalability of its systems, leading to a better user experience and ensuring that the platform remains reliable and responsive even under increased demands.

We are passionate about developer tooling and have chosen Elixir + Phoenix as their tech stack for Plausible. Elixir is a fantastic language with careful attention to details, built on top of the mature Erlang VM since 1986. It's proven technology that they can rely on, but might not be the best choice for high-performance data processing if Plausible experiences significant traffic. We have also chosen PostgreSQL as their default persistence engine, due to its maturity and battle-tested reliability. However, we might need to switch to InfluxDB or use Timescale extension of Postgres if Plausible's analytics requirements become too demanding. Additionally, we have adopted Tailwind CSS for writing HTML+CSS, which has taken some time to get used to but seems like a great approach for achieving better-looking designs with less effort. For client-side interactivity, we are using server-rendered HTML and sprinkling vanilla JavaScript, which keeps things simple and fast. The website also integrates with several external tools, including Heroku, Sentry, Mailgun, and Cloudflare.

Elixir's performance is significantly boosted when handling large datasets and complex queries. The Elixir-based API serves core rankings datasets at an impressive speed, with average response times under 50 ms. This is made possible by keeping the campaign's dataset completely in memory, indexed, and ready to query using Erlang marshal format. Additionally, Elixir provides a robust and reliable framework for distributed systems, optimized for parallel computation. Its flexible and low-cost code management capabilities make it an attractive choice for large-scale applications. In the context of Moz, the use of Elixir improved the application's performance by reducing build times to just 10 minutes, down from several hours. This enabled developers to iterate faster on new features and ideas, leading to a more efficient and productive development process overall.

Sketch is a leading design software that empowers professionals to create high-fidelity digital designs with ease. Its native Mac app and browser-based tools make it an intuitive platform for designers and developers alike, with real-time collaboration features that enable seamless teamwork. The company behind Sketch has received an Apple Design Award in 2012 for its innovative approach to design software, and users love the platform for its extensive library of tools, seamless integration with other industry-standard applications, and a vast range of plugins that enhance its functionality. With its web application accessible from any browser, Sketch offers flexibility without sacrificing performance, and its tech stack is built on Elixir with Phoenix, utilizing GraphQL, PostgreSQL, and AWS services to power its backend infrastructure.

Subvisual nurtures digital products and ventures with a focus on quality and impact. Focus: Nurturing meaningful digital products and ventures. Services: Assisting with strategic thinking, product development, and quick turnarounds. Venture Studio: Combining innovation and technology to empower people.

Monitoring and Software for PV Solar systems

Timeline is a technology company that provides financial planning and portfolio management software for advisers. Our mission is to help millions of people fulfil their financial goals and retire with confidence. We manage over £6 billion of clients' assets on behalf of financial advisers.