Demo

Senior Back End Software Engineer (TS/SCI) {S}

TSG
Aurora, CO Full Time
POSTED ON 12/25/2025
AVAILABLE BEFORE 1/25/2026

ARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the national security space enterprise. Built on more than six decades of excellence, ARKA brings modern approaches and a culture of innovation to the challenges of today.

Join the ARKA team to learn how Beyond Begins Here. Discover your next career opportunity now!

Position Overview:

We are seeking a talented and motivated Back-End/Services Software Engineer to join our dynamic development team.

This role is ideal for an early-career developer who is passionate about building scalable, reliable, and high-performance cloud services. You will be responsible for designing, developing, and implementing modern Java and Python microservices that run within a modern orchestration and cloud environment (such as AWS).

If you are eager to learn, enthusiastic about problem-solving, and ready to make a significant impact on our core product architecture, we would love to hear from you!

We offer generous relocation benefits for eligible candidates.

In support of work/life balance, many positions are available for a flexible schedule within the pay period.  Ask us about the opportunity for flex scheduling if that’s of interest to you. 

Responsibilities:

As a Senior Software Engineer, your responsibilities include:

  • Writing, building, deploying, and maintaining diverse software applications
  • Overseeing and guiding the analyzing, writing, building, and deployment of software
  • Overseeing the automated testing and providing feedback to management during the development process
  • Modifying and testing changes to previously developed programs

Required Qualifications:

  • Bachelor’s degree in computer science or related field
  • At least 5 years of experience with Java
  • Foundational experience with Java and/or Python in a professional setting
  • Basic understanding of cloud computing concepts (e.g., AWS, Azure, GCP)
  • Experience with lightweight frameworks such as Quarkus or Spring Boot
  • Comprehensive testing experience, including unit tests (e.g., JUnit), system tests, and integration tests
  • Proficiency with various data storage solutions (PostgreSQL, MongoDB, AWS or Azure cloud storage services)
  • Experience implementing and managing Continuous Integration/Continuous Deployment pipelines. GitLab CI/CD is preferred, but Jenkins experience is also acceptable
  • Proficiency with Maven, Gradle, and NPM
  • In-depth knowledge of and practical experience with standard AWS managed services (S3, ECS, EC2, Lambda, Step Functions, DynamoDB, OpenSearch)
  • Strong knowledge of GEOINT (Geospatial Intelligence) data collection and distribution paradigms
  • Ability to effectively work within a software engineering team
  • Ability to work in office full time
  • Active TS/SCI U.S. Government Security Clearance

Preferred Qualifications:

  • Experience with Kubernetes
  • Experience with Government Clouds (e.g. GovCloud, C2S)
  • Experience with Docker
  • Experience with Python
  • Experience with Source Control tools (e.g. Git, Gitlab)
  • Experience with DevSecOps and Agile Scrum software development methodology including using tools like Git, Jira and Confluence
  • IAT Level II or III certification (i.e. Security , CISSP, or CASP)

Pay Range: $125,000 - $180,000

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

The application window will close in 60 days for this position.

Location: Aurora, CO

Being situated at the foot of the Rocky Mountains, Aurora provides opportunities to enjoy all the beautiful nature that Colorado has to offer, while also being a 20-minute drive from downtown Denver and 15-minutes to the Denver International Airport.

What We Offer:

  • Comprehensive medical/vision/dental insurance packages
  • Company contributions to qualified HSA accounts
  • 401k retirement plan with industry leading company contributions
  • 3 weeks of vacation accrual per year plus time off for sick leave and unscheduled life events
  • 13 paid holidays
  • Upfront tuition assistance for approved degree programs
  • Annual bonus program based on company and employee performance
  • Company paid life insurance, AD&D, Short-Term and Long-Term disability insurance
  • 4 weeks paid Parental Leave
  • Employee assistance program (EAP)

EHS/Environmental Requirements:

This job operates in a professional office environment. While performing the duties of this job, the employee routinely is required to use hands to keyboard, communicate, listen to, and interpret instructions and remain stationary for extended periods of the time. This would require the ability to move around the campus and occasionally move/lift items weighing up to 25 lbs.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

Applicants are invited to apply for a reasonable accommodation to perform the essential duties of the job. To apply, send a request to staffing@arka.org or contact 203-797-5000 and press 2 for Human Resources.

ITC & Security Clearance Requirements:

This position requires an active TS/SCI U.S. Government Security Clearance.

Visa Restrictions:

No visa sponsorship is available for this position.

Pre-employment Screenings:

Employment with any ARKA companies in the U.S. is contingent upon satisfactory completion of several pre-employment requirements to include a credit check, background check, and drug screen.

Salary : $125,000 - $180,000

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