Senior Backend Developer, Data Platform

Vantor ServicesReston, VA
Hybrid

About The Position

Vantor is seeking an experienced Senior Backend Developer/ Engineer to join their hybrid agile team. This role will focus on building and scaling a data platform and pipelines to support Intelligence Community AI efforts. The team is a sleek and modern software development team building mission-critical applications with real-world impact for the Intelligence Community. This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph. The role is hybrid, requiring a mix of work from home and onsite work at the customer’s office in Reston, VA. This position requires U.S. person status due to export control laws.

Requirements

  • 10 + years of professional software engineering experience, with strong backend development skills.
  • Strong proficiency in Python.
  • Experience building backend systems, APIs, or distributed services in production environments.
  • PostgreSQL and Elasticsearch proficiency.
  • Familiarity with AWS, especially S3, RDS, and other data-centric services.
  • Current/active TS/SCI with a current CI polygraph or be willing and able to obtain a CI polygraph.
  • Bachelor's degree in a related field, e.g. Computer Science, Systems Engineering or equivalent experience.
  • Understanding of software engineering fundamentals including testing, version control, CI/CD, and system design.
  • Tenacious troubleshooting, problem solving and error fixing mentality.
  • Strong communication and collaboration skills, ability to work, collaborate and thrive on a small technical team.
  • U.S. Citizen.

Nice To Haves

  • Experience working with data platforms, data pipelines, ETL/ELT workflows, or large-scale data processing systems.
  • Gitlab and Gitlab CI experience.
  • Openshift and Helm experience.
  • Docker and containerization experience.
  • DoD 8570 IAT II and Privileged User Access requirements met (Security+, CySA+, CCNA Security, GICSP, GSEC, SSCP).

Responsibilities

  • Design, build, and own backend services and platform components for a modern data architecture and pipelines.
  • Make high-impact technical decisions around architecture, data modeling and system integration.
  • Build integrations with internal and external data sources, APIs, and event streams.
  • Partner with data engineering, analytics, and product managers to define scalable data models and platform capabilities.
  • Improve reliability, observability, and performance of data workflows and backend services.
  • Implement best practices for testing, monitoring, logging, and deployment.
  • Contribute to architecture decisions around storage, orchestration, metadata management, and access patterns.
  • Help establish engineering standards for code quality, documentation, CI/CD, and operational excellence.
  • Troubleshoot and debug production systems.

Benefits

  • Robust 401(k) with company match
  • Mental health resources
  • Student loan repayment assistance
  • Adoption reimbursement
  • Pet insurance
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