Senior Elixir Software Developer

Overview

Simpli.fi is the leading advertising success platform, providing programmatic advertising solutions and workflow software to over 2,000 media teams, agencies, and brands. Simpli.fi empowers advertisers to maximize relevance in what they do, in the connections made, and in the results delivered across CTV, mobile, display, and other media types. Our platform delivers performance on budgets of all sizes, executing over 140,000 campaigns for 30,000 advertisers in a typical month.

Simpli.fi’s investors include leading private equity firms Blackstone and GTCR.

What We’re Looking For

Simpli.fi is a leading advertising success platform seeking a Senior Elixir Developer with expertise in OTP to join the team in developing a high-performance, real-time bidding and campaign management platform.

As a Senior Elixir Developer, you will be responsible for building and upgrading sophisticated distributed systems. These systems manage vast amounts of data through real-time OTP applications. Your work will span multiple locations in different geographic regions, requiring high-throughput message processing and high-speed cache communication.

• 3+ years of production Elixir/OTP experience with demonstrable expertise in Gen Server patterns, Supervisor trees, concurrent processing and parallel workloads, and ETS tables for in-memory storage
• Clear working knowledge of message processing with Kafka, back pressure, and batch processing strategies
• Experience with a database & caching using Ecto and ETS for persistent local storage
• Performance telemetry and metrics collection
• Expert-level understanding of process supervision strategies, concurrent process management, message passing patterns, and fault tolerance & recovery

• Experience with the Phoenix framework
• Dialyzer for static analysis and type checking
• Ex Coveralls for test coverage analysis
• Docker and containerized deployment
• Google Cloud Platform services
• AdTech industry experience

• Opportunity to work on a mission-critical system processing millions of requests daily
• Technical challenges involving distributed systems, real-time processing, and global scale
• Modern development practices with comprehensive testing and CI/CD
• Performance-focused environment where milliseconds matter
• Collaborative team that values code quality and system reliability

Awesome company environment and benefits with a great management team. Competitive pay based on experience, 17 PTO days, 401K match, long-term incentive plan and employer sponsored healthcare options. Hybrid work schedule. The company is focused on developing and mentoring employees!

Candidates must be authorized to work in the United States. We are unable to provide visa sponsorship at this time.

• Mid-Senior level

• Full-time

• Engineering and Information Technology

• Technology, Information and Internet

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