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Filip, Elixir/RoR Engineer

Last Updated: 4 Jul 2023

- Started career as a Ruby on Rails developer and worked exclusively with it for around 4 years, after which switched to Elixir and have 3.5 years of commercial experience with it - Last version engaged with RoR: 5.2 - Proficient in Phoenix / Elixir, Ruby on Rails, and AngularJS, focusing on performance improvements, test coverage, and refactoring. - Foundational knowledge of Haskell and Plutus for writing smart contracts on the Cardano blockchain. - Upper-Intermediate English

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Elixir   3.5 yr.

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Dmytro, Elixir Engineer

Kyiv, Ukraine
Last Updated: 4 Jul 2023
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- 1+ year of commercial experience with Elixir - Experience with starting up projects from a scratch - Upper intermediate English

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Elixir   1 yr.

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Junaid F., RoR/Elixir Engineer

Islamabad, Pakistan
Last Updated: 4 Jul 2023

- Programmer for the past 8 years in NodeJS, Elixir, and Ruby - Upper Intermediate English. - Available ASAP.

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Ruby on Rails (RoR)

Ruby on Rails (RoR)



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Oleg S., Elixir Engineer

Last Updated: 4 Jul 2023

- Having huge experience (14+ years) in backend development on C/Erlang/Elixir has shown himself as aim-oriented developer with analytical skills. - Using his experience he can not only to develop new features and functionality, but also make clear hidden multiconnection in any code that is based on the scope of Erlang/Elixir/C/Js. - Has a huge experience in parser development of custom xml coding - Upper-Intermediate English. - Available: ASAP

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Fiodor B., RoR/Elixir Engineer

Last Updated: 4 Jul 2023

- Fullstack software engineering (Elixir, TypeScript, Postgres, etc.) - RoR-Elixir migration commercial experience - Commercial experience with Phoenix - Systems architecture and design, with experience in both monolithic and microservices architectures - 3rd party integrations, including payment gateways, SalesOps tools, and other APIs - DevOps, with expertise in Docker, GCP and DigitalOcean - UX design, with focus on application flow design - Systems exploration, improvement, and repair, with experience troubleshooting complex issues across a variety of technologies - Project ownership, with experience managing projects from ideation to deployment - Leadership, with a track record of leading high-performing teams - Business consulting, with experience helping clients optimise their workflows and systems - Strong communication and collaboration skills, with experience working cross-functionally with designers, developers, and other stakeholders. - Upper-Intermediate English. - Available ASAP.

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Elixir   5 yr.

Ruby on Rails (RoR)

Ruby on Rails (RoR)   3.5 yr.

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Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched Elixir Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new Elixir developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

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Table of Contents

What are top Elixir instruments and tools?

  • Phoenix Framework: Phoenix is a web development framework built with Elixir that has gained immense popularity in recent years. It provides a highly productive and scalable environment for building web applications. Phoenix was first released in 2014 and has since become the go-to framework for many Elixir developers. It is known for its speed, fault-tolerance, and real-time capabilities, making it a great choice for building robust and high-performance web applications.
  • Ecto: Ecto is a database wrapper and query generator for Elixir. It provides a simple yet powerful API for interacting with databases, making it easy to perform various database operations. Ecto supports multiple database adapters and offers features like migrations, query composition, and transaction support. It was introduced in 2014 and has become an essential tool for Elixir developers when working with databases.
  • ExUnit: ExUnit is Elixir’s built-in unit testing framework. It provides a comprehensive set of macros and assertions for writing tests in a concise and expressive manner. ExUnit supports running tests in parallel, defining setup and teardown functions, and generating test coverage reports. It has been a part of Elixir since its early releases and is widely used by Elixir developers for ensuring code quality and reliability.
  • Distillery: Distillery is a powerful tool for packaging and deploying Elixir applications. It allows you to create standalone releases of your Elixir applications, which can be easily deployed to production environments. Distillery offers features like hot code upgrades, runtime configuration, and support for systemd and other init systems. It was first released in 2016 and has gained popularity for its ease of use and robust deployment capabilities.
  • Quantum: Quantum is a cron-like job scheduler for Elixir. It allows you to define and schedule recurring tasks within your Elixir applications. Quantum supports various scheduling options, such as cron expressions and interval-based scheduling. It also provides features like error handling, job dependencies, and distributed scheduling. Quantum was first released in 2016 and has become a popular choice for managing scheduled tasks in Elixir applications.
  • Credo: Credo is a static code analysis tool for Elixir that helps developers write cleaner and more maintainable code. It provides a set of configurable checks that inspect your codebase for potential issues and violations of coding standards. Credo offers features like automatic fixes, customizable rulesets, and integration with popular editors. It was first released in 2015 and has gained traction in the Elixir community for its ability to improve code quality and consistency.
  • Oban: Oban is a job processing library for Elixir that focuses on reliability and performance. It allows you to define and process background jobs in your Elixir applications. Oban supports features like prioritization, rate limiting, and distributed processing. It also provides a user-friendly dashboard for monitoring and managing jobs. Oban was introduced in 2018 and has gained popularity for its simplicity and robustness in handling job processing tasks.

Soft skills of a Elixir Developer

Soft skills are essential for every Elixir Developer, as they contribute to effective collaboration, problem-solving, and overall team success. Here are the soft skills required at different levels of experience:


  • Communication: Ability to effectively communicate ideas, ask for help, and provide updates to team members.
  • Adaptability: Willingness to learn and adapt to new technologies, frameworks, and project requirements.
  • Time Management: Ability to prioritize tasks and meet deadlines while working on multiple projects simultaneously.
  • Attention to Detail: Paying close attention to code quality, identifying bugs, and ensuring code accuracy.
  • Team Player: Collaborating with team members, actively participating in discussions, and supporting the team’s goals.


  • Leadership: Taking ownership of projects, guiding junior developers, and providing mentorship.
  • Problem-solving: Analyzing complex problems, proposing innovative solutions, and troubleshooting issues.
  • Self-Motivation: Demonstrating initiative, taking responsibility for personal growth, and staying updated with industry trends.
  • Collaboration: Working effectively with cross-functional teams, fostering a positive and inclusive work environment.
  • Creativity: Thinking outside the box, exploring alternative approaches, and suggesting improvements to existing systems.
  • Conflict Resolution: Resolving conflicts within the team, promoting open and constructive communication.
  • Client Management: Building strong relationships with clients, understanding their needs, and managing expectations.


  • Strategic Thinking: Aligning technical solutions with business goals, identifying long-term opportunities, and making informed decisions.
  • Project Management: Leading and managing complex projects, coordinating resources, and ensuring timely delivery.
  • Technical Mentorship: Guiding and mentoring junior and middle developers, sharing knowledge and best practices.
  • Emotional Intelligence: Understanding and managing emotions, empathizing with team members, and resolving conflicts.
  • Continuous Learning: Pursuing personal and professional development, staying updated with the latest industry trends and technologies.
  • Presentation Skills: Effectively presenting technical concepts, ideas, and project updates to stakeholders and clients.
  • Client Relations: Building and maintaining strong relationships with clients, understanding their business needs, and providing exceptional service.
  • Decision-making: Making informed decisions based on data analysis, risk assessment, and business impact.

Expert/Team Lead

  • Strategic Leadership: Setting the technical direction and vision for the team, aligning it with the organization’s goals.
  • Team Management: Hiring, training, and mentoring developers, fostering a high-performance culture, and promoting professional growth.
  • Conflict Resolution: Resolving conflicts within the team and across departments, maintaining a harmonious work environment.
  • Influence and Negotiation: Influencing stakeholders, negotiating project scope and resources, and advocating for the team’s needs.
  • Business Acumen: Understanding the business landscape, market trends, and translating them into technical solutions.
  • Innovation: Driving innovation within the team, encouraging experimentation, and exploring new technologies and approaches.
  • Client Engagement: Building and maintaining strong relationships with key clients, understanding their strategic objectives, and providing strategic guidance.
  • Strategic Partnerships: Identifying and establishing strategic partnerships with external organizations to drive business growth and collaboration.
  • Technical Thought Leadership: Contributing to the Elixir community, speaking at conferences, and sharing knowledge through publications or open-source contributions.
  • Risk Management: Identifying and mitigating technical and project risks, ensuring the successful delivery of projects.
  • Business Development: Identifying business opportunities, participating in the pre-sales process, and contributing to the growth of the organization.

Pros & cons of Elixir

7 Pros of Elixir

  • Scalability: Elixir is built on the Erlang virtual machine (BEAM), which is known for its scalability and fault-tolerance. Elixir inherits these characteristics, making it suitable for building highly scalable and reliable systems.
  • Concurrency and Parallelism: Elixir embraces the actor model, allowing developers to build concurrent and distributed systems easily. Its lightweight processes, called “actors,” communicate through message passing, enabling efficient utilization of system resources.
  • Functional Programming: Elixir is a functional programming language that encourages immutability and pure functions. This approach leads to code that is easier to reason about, test, and maintain. It also allows for better code reuse and modularity.
  • Pattern Matching: Elixir’s powerful pattern matching capabilities enable elegant and concise code. It allows developers to match on data structures and perform complex transformations effortlessly.
  • Fault Tolerance: Elixir’s design philosophy prioritizes fault tolerance. It provides supervisors that can restart failed processes automatically, ensuring high system availability and reliability.
  • Tooling and Ecosystem: Elixir has a robust tooling ecosystem with tools like Mix (build tool), ExUnit (unit testing framework), and Hex (package manager). The community-driven ecosystem offers a wide range of libraries and frameworks, facilitating rapid development.
  • Scalable Web Development: Elixir’s web framework, Phoenix, is known for its high performance and scalability. It handles thousands of concurrent connections with low latency and can easily scale horizontally to handle increased traffic.

7 Cons of Elixir

  • Learning Curve: Elixir has a unique syntax and functional programming concepts that may require some time to grasp for developers coming from imperative or object-oriented backgrounds.
  • Small Talent Pool: Compared to more mainstream languages, Elixir has a smaller talent pool. Finding experienced Elixir developers may be more challenging, especially in certain regions.
  • Less Mature Libraries: Although Elixir has a growing ecosystem, some domains may have fewer mature libraries compared to more established languages. However, this gap is closing as the community continues to expand.
  • Interoperability: While Elixir can interoperate with other languages through ports and NIFs, the process may require additional effort and expertise.
  • Community Size: While the Elixir community is active and supportive, it is still smaller than communities of more widely adopted languages. This may result in fewer resources and community-driven initiatives.
  • Resource Consumption: Elixir’s lightweight processes and message passing architecture generally result in efficient resource utilization. However, in certain scenarios, Elixir processes may consume more memory compared to some other languages.
  • Tooling Maturity: Although Elixir has a strong tooling ecosystem, some areas, such as IDE support, may still be less mature compared to more established languages. However, the community is actively working on improving tooling support.

TOP 10 Facts about Elixir

  • Elixir is a functional, concurrent, and general-purpose programming language that runs on the Erlang virtual machine (BEAM).
  • It was created by José Valim and first released in 2011.
  • Elixir is known for its scalability, fault-tolerance, and low-latency performance, making it suitable for building distributed and fault-tolerant systems.
  • It is designed to be highly readable and maintainable, with a syntax inspired by Ruby.
  • Elixir provides powerful metaprogramming capabilities, allowing developers to extend the language and customize its behavior.
  • Elixir has built-in support for concurrency through lightweight processes called “actors,” which communicate with each other using message passing.
  • One of the key strengths of Elixir is its robust and battle-tested ecosystem. It leverages the extensive libraries and tools available in the Erlang ecosystem, making it easier to build reliable and scalable applications.
  • Elixir also has a powerful built-in tool called Mix, which provides project management, dependency handling, and code compilation.
  • The language has gained popularity in recent years, with companies such as Pinterest, Discord, and Bleacher Report adopting Elixir for building their backend systems.
  • Elixir has a vibrant and supportive community, with active forums, meetups, and conferences where developers can learn and contribute to the language’s growth.

How and where is Elixir used?

Case NameCase Description
WhatsAppElixir has been used to develop the backend infrastructure of WhatsApp, one of the world’s most popular messaging applications. With millions of active users, WhatsApp requires a highly scalable and fault-tolerant system. Elixir’s concurrency model, built-in support for distributed computing, and fault-tolerant design make it an ideal choice for building the backend infrastructure of such a large-scale application.
DiscordDiscord, a popular communication platform for gamers, utilizes Elixir in its backend architecture. Elixir’s ability to handle high concurrency and low-latency messaging makes it well-suited for real-time chat applications like Discord. Additionally, Elixir’s fault-tolerant and distributed nature ensures that Discord’s service remains available even under heavy loads and in the face of hardware failures.
Bleacher ReportBleacher Report, a leading sports media company, chose Elixir for its backend services. Elixir’s scalability and performance characteristics enable Bleacher Report to handle the massive traffic spikes associated with live sports events. The real-time nature of Elixir allows users to receive instant updates and scores, providing an engaging experience for sports fans.
PinterestPinterest, a popular online platform for discovering and saving ideas, leverages Elixir for its notification system. Elixir’s lightweight processes and message passing mechanism enable Pinterest to handle a large number of notifications efficiently. With Elixir, Pinterest can reliably deliver timely notifications to millions of users, enhancing user engagement and satisfaction.
Nerves ProjectThe Nerves Project, an open-source platform for building embedded systems, utilizes Elixir to develop reliable and resilient firmware. Elixir’s fault-tolerant and distributed nature make it suitable for building robust firmware for devices in various industries, such as IoT, robotics, and home automation. Elixir’s focus on concurrency and fault tolerance ensures that embedded systems built with Nerves are highly responsive and resilient.

TOP 10 Elixir Related Technologies

  • Elixir

    Elixir is a dynamic, functional programming language designed for building scalable and maintainable applications. It runs on the Erlang virtual machine (BEAM) and is known for its fault-tolerant and distributed computing capabilities. With its simple syntax and powerful concurrency model, Elixir is widely used for developing robust and highly concurrent systems.

  • Phoenix Framework

    Phoenix is a web development framework for Elixir that follows the Model-View-Controller (MVC) architectural pattern. It provides a productive and elegant way to build high-performance web applications. Phoenix leverages the power of Elixir’s concurrency model and Erlang’s ecosystem to deliver fast and reliable web solutions.

  • Nerves

    Nerves is a framework for building embedded systems using Elixir. It allows developers to write firmware in Elixir and leverage the benefits of the Elixir ecosystem for IoT (Internet of Things) applications. Nerves provides an easy-to-use and scalable platform for developing reliable and secure embedded software.

  • GraphQL

    GraphQL is a query language and runtime for APIs that offers a flexible and efficient approach to data fetching. Elixir has excellent support for GraphQL through libraries such as Absinthe, which allows developers to build robust and highly performant GraphQL APIs with ease.

  • GenServer

    GenServer is a behavior in Elixir that provides a generic server implementation. It enables developers to build concurrent and fault-tolerant systems by defining server processes that handle requests and maintain state. GenServer is widely used in Elixir software development for building scalable and reliable applications.

  • ExUnit

    ExUnit is a unit testing framework for Elixir that provides a clean and expressive syntax for writing tests. It offers a comprehensive set of assertions and test utilities, making it easy to write reliable and maintainable test suites. ExUnit is an essential tool for ensuring the quality and correctness of Elixir software.

  • Credo

    Credo is a static code analysis tool for Elixir that helps identify code smells, style violations, and potential bugs. It enforces a set of best practices and coding conventions, improving the overall quality and maintainability of Elixir codebases. Credo is widely adopted in the Elixir community as a valuable tool for code review and quality assurance.

Cases when Elixir does not work

  1. Elixir does not work if the underlying Erlang runtime is not installed properly. Elixir is built on top of the Erlang virtual machine, so it requires Erlang to be installed and configured correctly on the system. If Erlang is missing or not properly set up, Elixir will not be able to run.
  2. Elixir may not work if there are compatibility issues with the operating system. While Elixir is designed to be cross-platform, there can be cases where certain features or dependencies do not work as expected on specific operating systems. It is important to check the official documentation and community forums to ensure compatibility with the targeted OS.
  3. If the required dependencies are not installed or outdated, Elixir may not function properly. Elixir relies on various external libraries and dependencies, such as database drivers or web frameworks. If these dependencies are missing or not up to date, it can cause errors or unexpected behavior in Elixir applications.
  4. Insufficient system resources can also hinder the performance of Elixir. Elixir applications, like any other software, require sufficient CPU, memory, and disk space to run smoothly. If the system does not meet the minimum requirements or is heavily overloaded, it can lead to sluggish performance or crashes.
  5. Elixir may not work if there are issues with the code itself. Programming errors, logical mistakes, or incorrect configurations can cause Elixir applications to fail or behave unexpectedly. It is crucial to thoroughly test and debug the code to identify and resolve any issues that may arise.

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior Developer0-2 yearsAssisting senior developers in coding and testing, debugging software, learning new technologies, and participating in team meetings.$50,000 – $70,000
Middle Developer2-5 yearsDeveloping software applications, collaborating with team members, implementing features, fixing bugs, and participating in code reviews.$70,000 – $90,000
Senior Developer5-8 yearsLeading development projects, designing software architectures, mentoring junior developers, reviewing code, and resolving complex technical issues.$90,000 – $120,000
Expert/Team Lead Developer8+ yearsOwning the technical vision of projects, providing technical guidance and leadership, coordinating with stakeholders, managing the team, and ensuring high-quality deliverables.$120,000 – $150,000+

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