Senior Software Engineer

Two Six Technologies

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Herndon, Virginia Until 10/7/2026 6+ years exp First posted August 8, 2026 Last posted August 8, 2026
Job description

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.

Overview of Opportunity

As a Two Six Technologies Senior Software Engineer for a large-scale platform for situational awareness and command and control, you will work with the development  team, designers, and users to develop and implement new features and generally  help shape program functionality and usability. You will be a core developer focusing onAPIs, external integrations, and associated data management. You will help scale-up our high-performance data pipeline services that extract, transform, and load data from many disparate systems to visualize large-scale networks as well as data from other domains. You will play a key role in helping us continue our track record of successful research, rapid prototyping, and delivering operational solutions for our transition partners. 

The work will be in our Herndon office.  

Job Responsibilities Include:

  • Help develop, version, and maintain our application and manage the code base
  • Shape the operationalization and transition to government and industry users
  • Develop new features per emerging user needs
  • Collaborate on the creation and integration of new data sources, user workflows, and long-term solutions for scaling and other software concerns
  • Collaborate on the evaluation and implementation of cutting-edge libraries and technologies
  • Partner with other developers on cloudification, containerization, and productization of the application
  • Engage with peers to review solutions and help ensure our team delivers maintainable and extensible solutions

Minimum Qualifications

  • Advanced degree with 4+ years of experience or Bachelor’s degree with 6+ years of experience. 
  • Minimum of 5-7 years of experience working with backend technologies
  • Minimum of 2 years of experience with API development and data pipeline development
  • Golang fluency including packaging, testing, and requirements management or similar
  • Ability to travel 10%-15%, CONUS/OCONUS travel
  • Active TS/SCI clearance 

Nice-to-haves:

  • Knowledge of ETL tools/frameworks
  • Open source project development experience
  • Experience with Linux, git
  • Docker and container registry experience
  • AWS S3 or EC2 familiarity
  • Familiarity with team collaboration

Clearance Requirements:

  • Active TS/SCI clearance 

#LI-MS1

Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance and professional development.

The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.

Salary Range
$125,000$190,000 USD

Compensation (from employer):
Salary Range — 125,000 – 190,000 USD

About this role

Summary

Develops APIs and data pipelines for large-scale situational awareness platform.

Job title

Senior Software Engineer

Experience level

6+ years

Minimum experience

6+ years exp

Industry

defense

Location requirements

Herndon, Virginia; on-site work only

Salary

$125k–$190k

Management role

No

Skills & keywords

Required skills

golangAPI developmentdata pipelinelinuxgit

Preferred skills

ETL toolsopen sourcedockerAWS

Specializations

API developmentdata pipelinebackend
Locations

Structured locations inferred from the posting.

Herndon, VA 20170, USA

On-site City