Senior Software Engineer
At HeyMilo, were redefining recruiting with AI agents that interview and evaluate candidates at scale. Our mission is to create intelligent, reliable interview experiences that meet enterprise-level demands.
Were looking for a Senior Software Engineer with strong React and Python/FastApi expertise to help us build and scale our platform. This is a hands-on role where you'll own end-to-end features, ship quickly, and collaborate closely with the team.
Who You Are
Frontend Wizard: Design, build, and optimize user-facing interfaces with a focus on performance, scalability, and exceptional user experience.API Alchemist: Build scalable endpoints and services in Python and FastAPI.Infra Savvy: Experienced with AWS, Docker, Lambdas, and Microservices.AI Curious: Familiarity with LLMs, Prompt engineering and AI workflows.Data Processing Pro: Proficient with Redis, queues, and asynchronous jobs that process large volumes of data.Observability-Minded: Prioritize metrics, logging, and alerts.Startup Ready: Hands-on, adaptable, thrives in rapid-growth environments.
What You'll Do
Build exceptional and well optimized user interfaces that are fast and reliable.Develop scalable APIs using FastAPI, integrating AI services.Optimizing performance of MongoDB and ClickHouse queries for real-time usage.Build LLM evaluation pipelines and inference engines.Manage data infrastructure with ClickHouse, Redis, MongoDB.Implement monitoring and observability tools (InfluxDB, PostHog).Automate deployment and infrastructure with Docker/Kubernetes.Enhance job queue architecture with Airflow and async workers.
Some work that was shipped by our talented engineers recently:
Detecting if a candidate is cheating during interviews.Reducing analysis time from 5 minutes to 20 seconds post-interview.Leverage message queues to scale Agentic AI platform to support 1000+ concurrent interviews.
Tech Stack
Frontend: React, ShadCN, TypeScript, Material UI, WebRTCBackend: Python, FastAPI, Redis, ClickHouse, Airflow, MongoDBDevOps: AWS, Docker, KubernetesObservability: InfluxDB, PostHogAI/LLM: OpenAI, Anthropic, Gemini, Pinecone, DeepSeek, LLaMa Cloud
Why You Should Join Us:
Own and scale critical frontend & backend infrastructure.Influence Agentic AI technology at enterprise scale.Work alongside top talent from Instagram, Microsoft, Uber, Meta.Competitive salary, strong performance-based benefits.Work hard, play hard culture with high ownership.Most importantly, be at the forefront of cutting agentic AI technology and take your career to new heights.
This Role is NOT for You If:
You don't have experience with FastAPI, Python, or MongoDB.If you're looking for a "chill" place to work. We ideate on Monday and ship by Friday. It's a fun, fast-paced environment where you will learn a lot, quickly.If you can't work autonomously or take full accountability/ownership of your output. This role expects you to deliver quality work end to end, from writing the code to monitoring it in production.
Standard Requirements:
3-5 years of experience in Software EngineeringExperience working at an early stage startup and shipping 0->1 productsBachelors degree or strong CS/engineering fundamentals from a reputable university.
Apply Now
Were looking for a Senior Software Engineer with strong React and Python/FastApi expertise to help us build and scale our platform. This is a hands-on role where you'll own end-to-end features, ship quickly, and collaborate closely with the team.
Who You Are
Frontend Wizard: Design, build, and optimize user-facing interfaces with a focus on performance, scalability, and exceptional user experience.API Alchemist: Build scalable endpoints and services in Python and FastAPI.Infra Savvy: Experienced with AWS, Docker, Lambdas, and Microservices.AI Curious: Familiarity with LLMs, Prompt engineering and AI workflows.Data Processing Pro: Proficient with Redis, queues, and asynchronous jobs that process large volumes of data.Observability-Minded: Prioritize metrics, logging, and alerts.Startup Ready: Hands-on, adaptable, thrives in rapid-growth environments.
What You'll Do
Build exceptional and well optimized user interfaces that are fast and reliable.Develop scalable APIs using FastAPI, integrating AI services.Optimizing performance of MongoDB and ClickHouse queries for real-time usage.Build LLM evaluation pipelines and inference engines.Manage data infrastructure with ClickHouse, Redis, MongoDB.Implement monitoring and observability tools (InfluxDB, PostHog).Automate deployment and infrastructure with Docker/Kubernetes.Enhance job queue architecture with Airflow and async workers.
Some work that was shipped by our talented engineers recently:
Detecting if a candidate is cheating during interviews.Reducing analysis time from 5 minutes to 20 seconds post-interview.Leverage message queues to scale Agentic AI platform to support 1000+ concurrent interviews.
Tech Stack
Frontend: React, ShadCN, TypeScript, Material UI, WebRTCBackend: Python, FastAPI, Redis, ClickHouse, Airflow, MongoDBDevOps: AWS, Docker, KubernetesObservability: InfluxDB, PostHogAI/LLM: OpenAI, Anthropic, Gemini, Pinecone, DeepSeek, LLaMa Cloud
Why You Should Join Us:
Own and scale critical frontend & backend infrastructure.Influence Agentic AI technology at enterprise scale.Work alongside top talent from Instagram, Microsoft, Uber, Meta.Competitive salary, strong performance-based benefits.Work hard, play hard culture with high ownership.Most importantly, be at the forefront of cutting agentic AI technology and take your career to new heights.
This Role is NOT for You If:
You don't have experience with FastAPI, Python, or MongoDB.If you're looking for a "chill" place to work. We ideate on Monday and ship by Friday. It's a fun, fast-paced environment where you will learn a lot, quickly.If you can't work autonomously or take full accountability/ownership of your output. This role expects you to deliver quality work end to end, from writing the code to monitoring it in production.
Standard Requirements:
3-5 years of experience in Software EngineeringExperience working at an early stage startup and shipping 0->1 productsBachelors degree or strong CS/engineering fundamentals from a reputable university.
Apply Now