Every day, somewhere in the world, important decisions are made. Whether it is a private equity company deciding to invest millions into a business or a large corporation implementing a new strategic direction, these decisions impact employees, customers, and other stakeholders.
Consulting and private equity firms come to proSapient when they need to discover knowledge to help them make great decisions and succeed in their goals. It is our mission to support them in their discovery of knowledge.
We help our clients find industry experts who can provide their knowledge via interview or survey: we curate this knowledge in a market-leading software platform; and we help clients surface knowledge they already have through expansive knowledge management.
We are seeking an experienced Elixir Developer to join our innovative engineering team. You will contribute to the development of robust and scalable web applications, working on our cutting-edge platform that helps clients make smarter investment and consulting decisions. This is an exciting opportunity to work in a collaborative environment on projects that have a global impact.

REQUIRED SKILLS AND EXPERIENCE

• Proven experience in building and maintaining Elixir-based web applications (e.g., knowledge of Phoenix).
• Strong understanding of SQL, including profiling and building efficient queries.
• Solid problem-solving skills and the ability to troubleshoot complex systems.
• BS/MS in Computer Science or equivalent industry experience

BONUS SKILLS

• Familiarity with Absinthe (GraphQL) and Oban (Job Processing).
• Knowledge of DevOps practices and deployment pipelines.
• Experience working in the SaaS or FinTech industry.
• AI/ML/LLMs, understanding of agentic architectures, workflow optimisation, prompt engineering

LANGUAGE REQUIREMENTS

• Proficiency in English to effectively communicate with the product team.
• As a large part of the technical team is Ukrainian or Russian speaking, knowledge of Ukrainian or Russian is nice to have but is not mandatory

• Develop and maintain scalable, efficient, and high-quality Elixir web applications.
• Design, optimize, and troubleshoot SQL queries and performance issues.
• Collaborate with cross-functional teams to design and implement new features and improvements.
• Write clean, maintainable, and testable code adhering to industry best practices.
• Contribute to architectural decisions and optimize system performance.