Senior Backend Engineer jobs in United States
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Code Metal · 14 hours ago

Senior Backend Engineer

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level, Lead/Staff
date8+ years exp

Code Metal is seeking a Senior Backend Engineer who is passionate about building robust, scalable backend systems in Python. The role involves developing backend services that handle complex workflows and integrating various data types while collaborating with a high-performing engineering team.

Artificial Intelligence (AI)Information TechnologySoftware

Responsibilities

Design and build FastAPI-based services and APIs with a focus on performance, clarity, and maintainability
Implement state machines and event-driven workflows that coordinate asynchronous operations across multiple services. Work with PostgreSQL to design and query complex relational, geospatial, and temporal data models. Build pub/sub and task processing patterns using Redis and modern async frameworks
Integrate and extend authentication and authorization systems, enabling role-based and attribute-based access to data and endpoints
Deploy and maintain containerized applications using Docker, ensuring reliability, observability, and security
Write unit, integration, and performance tests that validate reliability and correctness
Participate in code reviews and architecture discussions, contributing to design patterns, tooling, and continuous improvement
Collaborate cross-functionally with other engineers and analysts to define APIs, data contracts, and workflow orchestration patterns

Qualification

PythonFastAPIPostgreSQLDockerRedisGeospatial dataAsynchronous systemsCI/CDEvent-driven architectureAuthentication standardsCloud environmentsAsync I/OWorkflow orchestration

Required

8+ years of professional backend software engineering experience, with a strong focus on Python
Proven ability to design and deliver production-grade APIs and services using frameworks such as FastAPI or Flask
Solid experience with PostgreSQL, including schema design, query optimization, and migrations
Practical knowledge of geospatial and time-series querying, data modeling, and efficient indexing
Experience building asynchronous systems using Redis (pub/sub, streams, or queues) or similar technologies
Strong foundation in Docker-based development and deployment workflows
Deep understanding of software engineering best practices, version control, testing, CI/CD, documentation, and type safety
Demonstrated ability to take full ownership of a complex backend service from concept to production, with minimal oversight

Preferred

Experience with event-driven architectures (Celery, FastStream, Kafka, or similar)
Familiarity with authentication and authorization standards (OIDC, OAuth2, RBAC)
Experience working with geospatial frameworks such as Shapely, GeoAlchemy2, or H3
Understanding of observability and monitoring (e.g., Sentry, structured logging, tracing)
Experience deploying to cloud environments (AWS, Azure, GCP)
Prior work with async I/O in Python (asyncio, aiohttp, or similar)
Knowledge of workflow orchestration and message-based inter-service communication

Company

Code Metal

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Code Metal delivers an AI-based development platform that transforms high-level code into edge-optimized, production-ready deployments.
dateFounded in 2023
location
Boston, Massachusetts, USA
people-size51-200 employees
web-link
https://www.codemetal.ai

Funding

Current Stage
Growth Stage
Total Funding
$59.45M
Key Investors
AccelShield CapitalJ2 Ventures
2025-11-12Series A· $36.5M
2025-06-26Series Unknown· $6.5M
2024-07-23Seed· $13M

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