Arionkoder is an AI consulting firm helping companies build, embed, and own AI systems that drive real business outcomes. We combine Product Development, Artificial Intelligence, and Team Augmentation to craft digital products and solutions that create lasting impact — guided by a human-centric approach and a commitment to pushing the boundaries of what technology can do.
What you’ll do
The Senior Software Engineer (Elixir) reports to the Engineering Manager and works closely with cross-functional teams including other software engineers, architects, quality assurance, and product managers to ensure seamless, high-quality product and platform delivery. In this role, you will design, develop, test, deploy, and maintain world-class applications written in Elixir. You will also optimize these applications for speed, reliability, and scalability.
Your Impact
● Design, develop, deploy, and maintain high-performance, robust, and scalable APIs using Elixir. Also, conduct performance optimization to improve system responsiveness and throughput.
● Ensure API security protocols are in place to protect data and systems.
● Collaborate with cross-functional teams, both internal and external, to define, design, and bring innovative features to life.
● Identify and resolve issues and performance bottlenecks with existing API and integration architectures.
● Create and maintain technical documentation for API usage and system integrations.
● Uphold and propagate best practices in server-side Elixir-based application design, and collaborate with architects and engineers to continuously improve upon these best practices.
● Engage in architectural discussions and actively contribute to the technical decision-making process.
● Mentor other developers to foster a culture of innovation, quality, and growth.
● Continuously research, evaluate, test, and implement new technologies to optimize application performance and development efficiency.
● Collaborate with external stakeholders to design efficient integrations.
● Maintain up-to-date knowledge of Elixir trends, technologies, and best practices.
What you bring to the table
● Minimum of 7 years of software development experience with substantial professional Elixir development experience (we use Phoenix, LiveView experience is a plus).
● Proven track record of delivering high-quality, secure, and performant Elixir-based applications to production environments.
● Expertise in working with and designing RESTful APIs (we use OpenAPI specs).
● Proficiency in working with and designing solutions using multiple database systems (we use PostgreSQL primarily, with some SQLite).
● Proficiency in working with various version control systems (we use Git).
● Experience working in Agile and Kanban environments.
● Familiarity with cloud platforms and various architecture types (we are on AWS).
● Familiarity with containerization and container orchestration.
● Experience working with external clients, partners, and vendors.
● You consider multiple options when designing a solution.
● You are an all-around great person to work with!
Bonus points
● Experience in the Travel/Lifestyle industry.
● Experience working with asynchronous event-driven architecture.
● You have led teams and/or projects, either in an official or unofficial capacity.
● You’ve been a full-stack developer in previous roles and can assist in front-end development efforts (we use React).
● You’ve designed and architected an end-to-end application and deployed it to production where it is used by end users like yourself.
Important
100% Remote | Availability required during CET business hours (European time zone)
Perks
💵 Monthly USD Service Fee
🌴 20 business days of paid Agreed Time Off—Annual + 6 Local Holidays
🐣Caregiver Time Off
💻A dynamic remote work culture. You can work from anywhere!
🚀An entrepreneurial environment.
About us
In 2010, our founders dreamed up a company that could positively impact the world. Since then, we've been in permanent evolution: from business consulting to innovation and design, and now to building amazing digital products powered by AI. We scaled globally, launched AI Labs and Reshape Studios, and claimed our space as an AI consulting firm — helping organizations move from pilots to production through accountable AI. Today, we're expanding our impact across industries, driving real AI adoption through accountability, governance, and value at scale. Dreamers first, builders always.
Skills Required
- Minimum of 7 years of software development experience with substantial professional Elixir development experience
- Proven track record of delivering high-quality, secure, and performant Elixir-based applications to production environments
- Expertise in working with and designing RESTful APIs
- Proficiency in working with and designing solutions using multiple database systems
- Familiarity with cloud platforms and various architecture types
What We Do
We are a leading company specializing in Product Development, AI, and Team Augmentation partnering with innovators and challengers to create digital products that drive meaningful change and improve lives. With high-quality, same-time-zone delivery from Latin America, we help U.S. businesses scale, innovate, and achieve bold ambitions by crafting solutions that grow globally. Born in 2020, we’ve grown into a 200+ strong team of Arionics, bringing together top-tier talent in AI, software development, and digital product design. Our human-centric approach ensures that every solution we build creates real impact—helping companies define, design, and scale the change they want to see in the world. Our proven methodology, shaped by years of experience as executives, founders, and consultants, empowers our partners to achieve their goals. From startups to Fortune 500s, we define, design, and develop AI-powered, digital products and software-driven solutions that drive growth and efficiency.
