Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Full-Stack Developer - Mid-Senior, TS/SCI with CI Poly - $150K-$230K + 15% 401k

$150k - $230k

Millennial Software

Mid-Senior Full Stack Software Developer

Millennial Software is revolutionizing the landscape of security and defense by leveraging our core competencies in software development, automation, DevSecOps, and machine learning.

We are an employee-owned company, every employee receives equity in the company

100% company-paid medical, dental, and vision premiums for you and all dependents

Ability to get increased salary if you don't need medical/dental/vision

100% company-paid disability and life insurance benefits

15% 401(k) company contribution

30 days of PTO/holidays

Generous training budget

Paid Paternal and Maternal Leave

Business development / growth incentives

Top notch company swag

Clearance Level Must Currently Possess: Top Secret SCI + CI Polygraph Millennial Software is seeking a Mid-Senior Full Stack Software Developer to join our collaborative team supporting a Government customer. You'll provide operations and maintenance support to ensure the stability, performance and continuous improvement of our new operational production software systems.

This is a great opportunity for a motivated developer to grow technical skills across the full stack, with a particular focus on modern software development processes and technologies.

The ideal candidate is passionate in the full lifecycle of application, including design, coding, testing, implementation, deployment as well as support and maintenance. The candidate must be comfortable collaborating closely with users and developers to build and maintain polished, high-performance tools in mission-critical environments.

Essential Functions:

  • Monitor, maintain and optimize production applications across the full tech stack
  • Implement and manage automated deployment pipelines and CI/CD processes
  • Investigate, report and resolve issues from problems such application bugs, patching and integration with external systems
  • Support agile development activities including sprint planning, peer code reviews, and iterative updates based on end-user feedback
  • Help maintain clean, well-documented, and testable code
  • Strong familiarity with Docker, Kubernetes, Helm
  • Strong familiarity with compiled languages such as Rust, Java, and C++ and its many utilities/packages
  • Well-versed in Relational databases
  • Good understanding of Git, GitLab, CI/CD pipelines, and CM best practices

Requirements

Required Qualifications:

  • Bachelor's degree or equivalent experience in Computer Science
  • At least 5 years' experience in multiple languages such as JavaScript, Python, Java, Rust
  • At least 5 years' experience in Full-stack software development (i.e. client, server, and data tiers)
  • At least 3 years' experience with containerization and orchestration platforms such as Docker and Kubernetes
  • Strong analytical and problem solving skills with attention to detail
  • Strong understanding of development best practices, configuration management, and testing
  • Strong desire to constantly learn how new tools, frameworks, and technologies that can further the customer's mission and provide value to the end-user
  • Ability and desire to work independently; i.e. given general tasking, develop subtasks and/or approach to satisfy task objectives
  • Proven capability to learn new skills, adapt to shifting priorities and requirements
  • Comfortable with the Linux operating system
  • Strong communication skills and experience working with end-users and developers
  • Active TS/SCI clearance

Nice to have:

  • Strong familiarity with Svelte and/or other frontend frameworks such as Vue.js
  • Familiarity with message queue implementations, such as Kafka
  • Experience utilizing Test Driven Development

Millennial Software Solutions Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of race, color, religion, sex, national origin, political affiliation, sexual orientation, gender identity, marital status, disability and genetic information, age, membership in an employee organization, or other non-merit factor.

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Full-Stack Developer - Mid-Senior, TS/SCI with CI Poly - $150K-$230K + 15% 401k in Fairfax, VA vacancy
  • $150k - $200k

     ...insurance benefits ~15% 401(k) company...  ...: Top Secret SCI + CI Polygraph Millennial...  ...working closely with a talented team to...  ...engineering skills. Develop innovative...  ...Take direction from senior technical leadership...  ...~ Active TS/SCI with CI Poly ~ Bachelor's Degree... 
    Senior

    Millennial Software

    Fairfax, VA
    8 days ago
  •  ...Job ID: 628 Job Title: Full Stack Developer Clearance Required: Must have an active TS/SCI with CI Poly for this job. Department...  ...PTO, Holidays and Sick Days, 401k/w Match, Life Insurance and more...  ...have a bachelor's degree with 15-20 years of prior relevant... 
    Suggested
    Permanent employment

    Vector Talent Resources

    McLean, VA
    22 hours ago
  •  ...requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph. We are a sleek and modern software...  ...Intelligence Community.   We are seeking an experienced   Senior   Backend   Developer/ Engineer to join our   hybrid   agile team   and... 
    Senior
    Work at office
    Work from home

    Vantor

    Reston, VA
    -102
  •  ...Senior Budget Analyst - TS/SCI CI Poly Support Government leadership by providing advanced financial management and advisory services. Lead budget...  ...while analyzing spend performance and ensuring alignment with mission objectives and compliance requirements. Lead... 
    Senior
    For contractors

    TENICA

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Senior Contract / Acquisition Support - TS/SCI CI Poly Department: Government Customer - NRO Location: Chantilly, VA ACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITION Position Overview: Support complex Government acquisition efforts... 
    Senior
    Contract work

    TENICA and Associates LLC

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Senior Information Systems Security Engineer (ISSE) TS/SCI CI Poly Government Customer-Chantilly Location: Chantilly, VA Position Description: The Senior...  ...testing for the customer's networks Coordinates with systems' development teams to ensure network... 
    Senior

    TENICA

    Chantilly, Loudoun County, VA
    3 days ago
  • $185k - $228k

     ...Security Clearance at the TS/SCI level.  Do you...  ...problems? Do you like working with geospatial intelligence...  ...seeking an experienced full stack software engineer to...  ...-temporal data sets  Develop analytics/derivative...  ...willingness to get a CI Polygraph).  Bachelor... 
    Flexible hours

    Vantor

    Herndon, VA
    -102
  •  ..., Inc. has an opening for a  Senior Network Tool Engineer  to support...  ...analysis. Integrate NSO with various network devices,...  ..., RESTCONF, and JSON-RPC. Develop and maintain automation scripts...  ...processes.  Requirements TS SCI CI Poly Candidate must have 16 years... 
    Senior

    A&M Technologies, Inc.

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Senior Full Stack Developer Deliver simple solutions to complex problems as a...  ...requirements of our clients. With a career in software development...  ...Security Clearance Level: TS/SCI w/ Poly (or eligibility)...  ...benefits and wellness packages, 401K with company match, and competitive... 
    Senior

    General Dynamics

    Chantilly, Loudoun County, VA
    3 days ago
  • $183.6k - $221.6k

     ...professional service companies. As a Senior Cyber Engineer at Everfox,...  ...communicating effectively with the customer and Everfox...  ...active (currently in use) – TS with SCI and CI Poly within two years from last...  ...package including flexible PTO, a 401k match, and contribution to... 
    Permanent employment
    For contractors
    Work experience placement
    For subcontractor
    Local area
    Flexible hours

    Everfox

    Chantilly, Loudoun County, VA
    22 hours ago
  •  ...Description   D ata Analyst Senior – TS/SCI with CI Polygraph Xcelerate...  ...the free text comments. Develop and present survey findings...  ...scatter charts, donut charts, stacked column charts) to...  ...part of this commitment to the full inclusion of all qualified individuals... 
    Senior

    VMD Corp

    McLean, VA
    4 days ago
  • $137.7k - $186.3k

     ...Possess: Top Secret SCI + Polygraph...  ...complex problems as a Senior Full Stack Developer at GDIT. Here, you'll...  ...requirements of our clients. With a career in software...  ...Clearance Level: TS/SCI w/ Poly (or eligibility) Required...  ...wellness packages, 401K with company match,... 
    Senior
    Temporary work
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Technologies Inc. has an opening for a  Senior Network/Systems Tools...  ...(NOM) system architecture, with a specific focus on the...  ...Kubernetes with a Linux base OS. Develop and maintain API integrations...  ...manual workload. Requirements TS SCI CI Poly Candidate must have 16... 
    Senior

    A&M Technologies, Inc.

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...Senior Full Stack Engineer Why choose between doing meaningful work and...  ...work for the public interest, with no commercial conflicts to...  ...This role requires an active TS//SCI with a Full Scope Polygraph....  ...responsible for designing, developing, and deploying full stack applications... 
    Senior
    Internship
    Local area
    Immediate start

    MITRE

    McLean, VA
    4 days ago
  •  ...Minimum of 10+ years of experience in Linux system administration, with strong expertise in Red Hat Enterprise Linux (RHEL)...  ...automation and performance optimization in large-scale systems TS/SCI + CI Poly ____________________________________________________________... 
    Senior
    Temporary work
    Local area
    Immediate start

    Vibrint

    Reston, VA
    4 days ago
  • GRVTY is looking for a Full Stack Developer with TS/SCI + Poly clearance in McLean, VA. This role involves providing onsite full‑stack development support...  ...The position includes benefits like health plans and a 401k match, promoting a collaborative environment for... 

    GRVTY

    Mc Lean, VA
    22 hours ago
  •  ...geospatial services, and geospatial developer logic, translating complex mission...  ...classes, ensuring alignment with enterprise data standards. The GIS...  ...developers and vendors. ~ Active TS/SCI and ability to obtain/maintain CI Poly. Desired Skills: Experience... 
    Senior
    Temporary work
    Work at office
    Local area
    Immediate start

    Vibrint

    Springfield, VA
    4 days ago
  •  ...Senior Cyber Engineer Intelligent. Dynamic...  ...leading the way in developing and delivering innovative...  ...interface directly with customers and play...  ...Work Schedule: Full Time, Monday –...  ...(currently in Use) TS/SCI clearance ~8+ years...  ...flexible PTO, a 401k match, and contribution... 
    Senior
    Permanent employment
    Full time
    For contractors
    Local area
    Remote work
    Monday to Friday
    Flexible hours

    Everfox

    Vienna, VA
    1 day ago
  •  ...SDVOSB) started in 2021 with the purpose of enabling...  ...customer-oriented Web Developer to join our team in Chantilly...  ...~ Active TS/SCI W/ CI Polygraph (existing clearance...  ...for Our Employee ~6% 401K match (Vested Immediately...  ...Chantilly, VA Employment type Full-time Clearance Level TS... 
    Full time
    Immediate start
    Flexible hours

    Seamless Migration

    Chantilly, Loudoun County, VA
    22 hours ago
  •  ...Description Java Full Stack Developer Job Location:...  ...site 100%) Active TS/SCI security...  ...to have Current CI Poly or consent to Poly...  ...starting, team-oriented Mid-to-Senior Software Engineer...  ...analytics, with the system hosted...  ...20 hours/month) 401k plan with matching... 
    Flexible hours

    Cohere Technology Group LLC

    Chantilly, Loudoun County, VA
    23 days ago
  • $151.8k - $187.5k

     ...Senior Principal Oracle Database Administrator...  ...been leading the way in developing and delivering innovative...  ...communicating effectively with the customer and...  ...(currently in use) – TS/SCI with CI Polygraph A bachelor...  ...including flexible PTO, a 401k match, and... 
    Senior
    Permanent employment
    For contractors
    Work experience placement
    For subcontractor
    Local area
    Flexible hours
    Night shift

    Everfox

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Senior Data Scientist/ML Engineer Team CATHEXIS elevates the government contracting...  ...before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together...  ...Scientist/ML Engineer with an active TS/SCI CI Poly or higher to join our team. The Data Scientist... 
    Senior

    Cathexis

    McLean, VA
    1 day ago
  •  ...support and mentoring for Mid and Junior System...  ...Administrator personnel. • Develops and maintains...  ...people can bring their full, authentic selves to work...  ...REQUIRES AN EXISTING/ACTIVE TS/SCI WITH CI POLYGRAPH - IAT level...  ...DCFSA account options, and 401k retirement account... 
    Senior

    Insight Global

    Vienna, VA
    1 day ago
  • Millennial Software in Fairfax, Virginia is looking for a Mid-Senior Full Stack Software Developer to join their team. The role involves supporting a...  ...of experience in software development, and familiarity with Docker and Kubernetes. Equity in the company and extensive... 
    Senior

    Millennial Software

    Fairfax, VA
    1 day ago
  •  ...are seeking a highly skilled Senior Full Stack Developer's to design, develop, and...  ...federal security clearance up to TS/SCI. U.S. citizenship is...  ...RESTful APIs ~ Experience with databases (PostgreSQL, MySQL...  ...with version control (Git) and CI/CD pipelines ~ Strong problem... 
    Senior

    Vibrint

    Reston, VA
    22 hours ago
  • KDA Consulting Inc is seeking a talented Full Stack Developer in McLean, VA to support the design, development, and maintenance of enterprise...  ...in Computer Science or related field is required, along with an active TS/SCI clearance. Join their mission-driven projects in the... 
    Senior

    KDA Consulting Inc

    Mc Lean, VA
    3 days ago
  • $138.06k - $186.79k

     ...Top Secret SCI + Polygraph Clearance...  ...orchestration with Kubernetes....  ...Build and maintain CI/CD pipelines to...  ...existing systems and develop new capabilities...  ...Level: TS/SCI with Polygraph...  ...YOUR PLACE: ~401K with company match...  ...employees full flex work weeks... 
    Temporary work
    Work experience placement
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    McLean, VA
    3 days ago
  •  ...Description Job Description: Senior Principal Cyber Systems...  ...container architecture working with cross functional teams to debug...  ...OCP. Only Candidates with a TS/SCI CI Poly Clearance will be considered...  ...o Document key features for developer use o Help write and maintain... 
    Senior

    SHLD, Inc.

    Herndon, VA
    29 days ago
  •  ...Management Office (GPMO) and senior Agency leadership in...  ...Responsibilities include developing Python or FME-based ETL pipelines...  ..., assists developers with complex spatial...  ...technical audiences. ~ Active TS/SCI and ability to obtain/maintain CI Poly. Desired Skills:... 
    Senior
    Temporary work
    Work at office
    Local area
    Immediate start

    Vibrint

    Springfield, VA
    4 days ago
  •  ...geographic diversity, with earnings...  ...with experience. | Full Time | Health...  ...Dental, Vision, 401k Retirement, Paid...  ...Data Scientist - TS/SCI Cleared...  ...and expertise to develop inventive solutions...  ...willingness to complete a CI poly upon request....  ...and TAM. ~ Senior candidates require... 
    Senior
    Hourly pay
    Full time
    Remote work
    Flexible hours

    Wiser

    Springfield, VA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Full-Stack Developer - Mid-Senior, TS/SCI with CI Poly - $150K-$230K + 15% 401k. Be the first to apply!