Senior Backend Developer, Data Platform

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can:
Shape your own future, build the next big thing, and change the world.

Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.

We are a sleek and modern software development team building mission-critical applications with real-world impact for the Intelligence Community.

We are seeking an experienced Senior Backend Developer/Engineer to join our hybrid agile team and help build and scale our data platform and pipelines to support Intelligence Community AI efforts.

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

• This is a hybrid role that will require a mix of work from home and onsite work at the customer’s office in Reston, VA.

Minimum Qualifications:

• 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.

Preferred Qualifications:

• 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)

Pay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range.

The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate’s experience, expertise, and alignment with the role.