X4 Engineering ยท 2 hours ago
Senior Software Engineer
United States
Full-time
Remote
Mid, Senior Level
$150K/yr - $170K/yr
4+ years expX4 Engineering is a remote-first technology company in the United States that builds large-scale analytics platforms. They are seeking a Senior Software Engineer with a strong backend focus to build APIs, design data pipelines, and improve system performance and reliability.
Staffing & Recruiting
No H1B
U.S. Citizen Only
Responsibilities
Build and maintain backend services and APIs using Python
Design and operate data ingestion and processing pipelines, including batch and near real-time workflows
Integrate structured and geospatial datasets into relational databases
Develop and support internal and external APIs
Optimize performance through query tuning, multiprocessing, and multithreading
Support cloud-based deployments and microservice architectures
Work closely with data science, ML, and DevOps teams
Refactor existing code to improve scalability, reliability, and maintainability
Contribute to CI/CD pipelines and automated testing practices
Qualification
Required
4+ years of experience in backend software engineering or data engineering roles
Strong Python experience building and supporting production systems
Solid understanding of SQL databases, schema design, and performance optimization
Experience building ETL and ELT pipelines
Hands-on experience with at least one cloud platform such as AWS, GCP, or Azure
Familiarity with tools such as Airflow, Dagster, or Spark
Comfortable working in a distributed, remote-first environment
Preferred
Hands-on experience with geospatial or location-based data such as spatial databases, GPS, AIS, or satellite datasets
Experience optimizing Python performance using multiprocessing, multithreading, or Cython
Some experience working with frontend technologies for internal tools or data visualization
Exposure to energy, maritime, infrastructure, or other data-heavy industries
Benefits
Fully remote-first role within the United States
Learning and development support, including conferences and training
Company
X4 Engineering
X4 Engineering partner with businesses across the entire engineering spectrum, from early-stage R&D to commercial enterprises to provide world-class talent solutions.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase