Senior Backend Engineer, Data Systems (Modeling) - Remote

Code Metal; Boston (MA); Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Health care plan

401k with 5% matching

Paid Time Off (uncapped vacation, plus

Flexible hybrid or remote work

Relocation assistance

Job summary

Code Metal is seeking a Senior Backend Engineer, Data Systems to design and build the core data foundations of our platform. You will translate complex real-world concepts into clean relational data models, durable SQL schemas, and maintainable backend services.

The role blends backend engineering, data architecture, and domain modeling, with a focus on expressing business logic through data structures and rules rather than hardcoding in application code.

Qualifications

• Experience as a backend engineer on production systems.
• Deep PostgreSQL expertise and relational data modeling.
• Strong Python programming skills.
• Experience defining data contracts across services.
• Ability to design durable SQL schemas and data structures.

Responsibilities

• Design relational data models that represent complex domain concepts, entities, relationships, and workflows.
• Build and maintain SQL schemas, constraints, indexes, migrations, and query patterns.
• Define and enforce data contracts between services, APIs, ingestion pipelines, and downstream consumers.
• Develop ingestion and normalization workflows for structured, semi-structured, and external source data.
• Move business logic from ad hoc application code into well-modeled data structures.

Skills

Backend engineering

PostgreSQL

SQL

Python

Data modeling

Data contracts

Tools

SQLAlchemy

Alembic

ORMs

Job description

Code Metal is seeking a Senior Backend Engineer, Data Systems to design and build the core data foundations of our platform. You will translate complex real-world concepts into clean relational data models, durable SQL schemas, and maintainable backend services.

The role blends backend engineering, data architecture, and domain modeling, with a focus on expressing business logic through data structures and rules rather than hardcoding in application code.