Senior API/Java/Python Developer (TS/SCI with CI Poly)
$170k - $210kVantor
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.
To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.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.
Vantor has an exciting opportunity for a Backend Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly evolving technology advancements and leveraging your knowledge on a highly collaborative team to deliver state-of-the-art capabilities.
The Backend Developer is responsible for the design, development, and maintenance of software applications and APIs using Java and Python programming languages. This role often involves a combination of backend development, API integration, and sometimes includes aspects of cloud-based solutions.
Responsibilities:
- Software Development: Design, develop, test, and deploy robust and scalable applications and APIs using Java and Python. This includes writing clean, efficient, and well-documented code.
- API Design and Integration: Design and implement RESTful APIs and microservices, ensuring secure and efficient communication between different systems and applications. This also involves integrating third-party APIs and services.
- Database Management: Work with various database systems (e.g., SQL and NoSQL databases like PostgreSQL, MongoDB, MySQL) for data storage and retrieval.
- Collaboration: Collaborate with cross-functional teams, including frontend developers, product managers, and QA teams, to define requirements, integrate components, and ensure seamless functionality.
- Performance Optimization and Security: Optimize code and system performance, troubleshoot issues, and ensure adherence to security best practices in data handling and API authentication.
- Cloud Integration (Optional): If applicable, implement and integrate cloud services and APIs (e.g., AWS, Azure) for cloud-native solutions and deployments.
- Maintenance and Support: Provide ongoing support, maintenance, and enhancements for existing applications and APIs.
Minimum Qualifications:
- Education and/or Experience: Bachelor’s degree and minimum 5 years of experience
- Security Clearance: Active TS/SCI with CI Poly
- Proficiency in Java and/or Python programming languages and associated frameworks (e.g., Spring Boot, Flask, Django).
- Strong understanding of API architectural styles (e.g., REST, GraphQL, SOAP) and experience with API development tools (e.g., Postman, Swagger UI).
- Familiarity with database systems (SQL and/or NoSQL).
- Experience with version control systems like Git.
- Knowledge of software development methodologies (e.g., Agile, Scrum).
- Problem-solving skills and the ability to work independently and collaboratively.
- Experience with cloud platforms (e.g., AWS, Azure, GCP).
- Familiarity with containerization technologies (e.g., Docker, Kubernetes).
Pay Transparency: In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate’s starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range.
The base pay for this position within California, Colorado, Hawaii, New Jersey, the Washington, DC metropolitan area, and for all other states is:
$170,000.00 - $210,000.00Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: careers
The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.
The date of posting can be found on Vantor's Career page at the top of each job posting.
To apply, submit your application via Vantor's Career page.
EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.
- ...Job Description: Senior Principal Cyber... ...working with cross functional... ...Candidates with a TS/SCI CI Poly Clearance will... ...key features for developer use o Help write... ...issues from an API Server to the... ...as Bash and Python • Experience... ...Language, preferably Java • Experience...Senior
$143.5k - $310.7k
Senior Java Developer TS/SCI with Poly REQUIRED Position Description CGI Federal is seeking a Senior Java... ...Databases, Graph Databases, and NoSQL, Python, and Artificial Intelligence/Machine... ...Experience with creating / using APIs, and familiarity with common design...SeniorLocal area$89.6k - $194k
Python Developer, Senior TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting... ...code to validate RESTful APIs and microservices, ensuring secure... ...Security Clearance: TS/SCI with CI Poly . Proficiency in Java and/or Python programming languages...SeniorWork at officeLocal area- ...Description Job Description API/Java/Python Developer Hybrid – Arlington, VA U.S. Citizenship and TS/SCI and CI poly required @Orchard is... ...a passion for keeping pace with rapidly evolving technology... ...mid-level and 8+ years for senior •...SuggestedRemote work
- ...Description Job Description Senior Software Engineer Boling... ..., VA (Hybrid) Active TS/SCI with Poly Clearance required @... ...world . We're hiring an API/Java/Python Developer to join the Services team,... ...at the TS/SCI level with CI Polygraph. Responsibilities...Senior
$155k - $200k
...missions worldwide. With 1,700+ team... ...need for a Senior AI Software... ...for designing, developing, and deploying... ...engineering, and secure API integrations.... ...Code (IaC), CI/CD pipelines,... ...You Bring ~ TS/SCI clearances Required (CI poly preferred).... ...and Vite. ~ Python proficiency...SeniorTemporary workImmediate startWorldwide- TENICA is looking to hire a Senior Data Scientist in Springfield, VA. MUST HAVE TS/SCI with CI poly. Develop and conduct algorithm quality trade studies related to synthetic... ..., using programs such as Databricks, Python, and Jupyter Notebook. Make presentations and...SeniorWork experience placementRemote work
- ...Zachary Piper Solutions is seeking a DevOps Engineer - TS//SCI with CI Poly to support a government program in Herndon, VA, with potential Springfield... ...with CI Poly, Security+, and strong scripting skills across Python, Perl, Korn Shell, and Bash. #J-18808-Ljbffr Jobleads-USSeniorRelocation
- ...Duration: Full time, Onsite Clearance: TS/SCI with CI Poly Requirements: ~5+ years in... ...or GCP). ~2+ years of experience developing and deploying solutions for highly... ...). ~1+ year experience with REST APIs, scripting (Python, Bash, PowerShell), or automation...Full time
- ...seeking a highly skilled Senior Full Stack Developer's to design,... ...security clearance up to TS/SCI. U.S. citizenship... ...skills (Node.js, Java, Python, or similar) ~... ...consuming RESTful APIs ~ Experience with databases (PostgreSQL... ...control (Git) and CI/CD pipelines ~ Strong...SeniorTemporary workLocal areaImmediate start
- ...Management Office (GPMO) and senior Agency leadership in... ...include developing Python or FME-based ETL pipelines... ...tools, assists developers with complex spatial algorithms... ...technical audiences.Active TS/SCI and ability to obtain/maintain CI Poly.Desired Skills: Experience...SeniorTemporary workWork at officeLocal areaImmediate start
- ...experience. ~ Must have an Active TS/SCI; willingness to obtain a CI Poly. Required skills ~ Principal technologies: Java, Java Persistence API (JPA), Java Web Services (JAX-RS), Java... ...Hat Enterprise Linux 7, 8, and 9, with an understanding of FIPS mode,...Temporary workWork experience placementRelocation package
- .... AWS Full Stack Developer to join our growing... ...environments, with a strong focus on... ...Developing with Python-based solutions for automation, API integration, backend... .... ~ Supporting CI/CD pipelines,... ...possess an active TS/SCI clearance with CI Poly (Preferred) ~ High...SeniorTemporary workLocal areaImmediate start
$148k - $179k
...Team CATHEXIS operates with an all-in mindset. We are... ...looking for a dynamic Senior AI/ML Software Developer with a TS/SCI with Poly clearance to join our... ...in (JavaScript, Python or Java) but also a willingness... ...~ An active TS/SCI CI Poly or FS Poly clearance...SeniorTemporary work- ...pipelines. You will collaborate with cross-functional teams to... ...technical requirements. Develop CI/CD pipelines from scratch... ...Requirements ~ Active TS/SCI Clearance with CI poly. ~10+ years of experience... ...scripting languages (e.g., Python, Bash), in a Linux environment...SeniorTemporary workRelocation package
- ...Herndon, VA CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-Time... ...a Sr. Software Engineer to design, develop, and integrate software solutions within... ...will apply your expertise in C/C++ and Python development to build and integrate mission...SeniorFull timeRemote work
- ...Security Clearance at the TS/SCI level with CI Polygraph. Project... .../SCI clearance and CI poly. Solid... ...TensorFlow. Proficiency in Python and its data science ecosystem... ...such as C, C++, or Java. Experience... ...labor as an input to develop market-driven ranges for...Flexible hours
- ...enterprise environments, with strong expertise in Red... ...Hands-on experience developing and maintaining automated... ...languages including Python, Bash, Perl, or Korn shell... ...Experience managing CI/CD pipelines and version... ...skills, and an active TS/SCI clearance with CI Polygraph...SeniorTemporary workLocal areaImmediate start
- ...Job Description Job Description Senior ServiceNow (SNOW) Scrum Master – TS/SCI CI Poly Department: Government Customer – Bethesda Location: Bethesda, MD ACTIVE TS/SCI CLEARANCE WITH CI POLY REQUIRED TO BE CONSIDERED FOR THIS POSITION We are seeking a...SeniorFor contractors
- ...seeking a highly skilled Senior DevOps Engineers with deep expertise in... ...security clearance up to TS/SCI. US citizenship is... ...design, and optimize CI/CD pipelines using... ...SpectroCloud, and Portainer. Develop and standardize... ...maintain advanced Python-based automation frameworks...SeniorTemporary work
- ...skilled platform engineer with deep expertise in... ...role, you will design, develop, and optimize Kubernetes... ...Community Campus. TS/SCI with CI Poly is required for position... ...Salt, Ansible, Bash, Python or similar frameworks.... ...troubleshooting RESTful APIs for platform...
$89.6k - $204k
Application Developer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description... ...errors, and assist senior team members with... ...like JavaScript, Python, or Java. • Testing &... ...complex applications, APIs, and data integrations... ...frameworks, DevOps/CI-CD pipelines, and...Work at officeLocal area- ...TENICA is looking to hire a software systems engineer with a TS/SCI CI poly. Location: Springfield, VA 50% Telework • Experience developing C++ , Python and CUDA kernels extensions for custom network components and evaluation metrics • Experience creating custom...Remote work
$89.6k - $204k
...Entry Level to SME) TS/SCI with Poly REQUIRED... ...the mentorship of senior engineers. This role... ...standards within CI/CD pipelines. •... ...architectures, defining clear APIs, caching... ...major language (e.g., Python, Java, C++, or JavaScript... ...creates value. You’ll develop innovative...Work at officeLocal area- ...solutions consulting firm with 25 years of experience delivering... .... Procon now seeks a Senior Project Manager for a long-... ...role requires an active TS/SCI clearance with CI Polygraph, a bachelor's degree... ...~ Demonstrated experience developing project management plans...SeniorContract workTemporary workFor contractorsWork at officeWorldwide
- ...Job Description Job Description Senior Geospatial Data Engineer McLean, VA Active TS/SCI with Poly Clearance required @Orchard is retained... ...part data librarian, and part visualization developer. You will use Python to process and analyze large geospatial...SeniorWork at office
$89.6k - $204k
...Entry Level to SME) TS/SCI with Poly REQUIRED... ...experts (engineers/developers) to gather accurate... ...system manuals, API documentation, and... ...Responsibilities (Senior Level) • Documentation... ...integration (CI/CD) pipelines to... ...code (e.g., Python, Java, or C++). • Tool...Work at officeLocal area$210k - $245k
...Solutions is seeking a DevOps Engineer - TS//SCI with CI Poly , to support a mission-critical... ...across Linux/Unix-based environments. Develop and maintain DevOps automation processes... ...management. ~ Strong proficiency with Python, Perl, Korn Shell, Bourne/Bash, Ansible...$89.6k - $204k
Software/Web Developer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description... ...report findings to senior developers. •... ...integrate RESTful APIs and third-party... ..., CSS, JavaScript, Python, or Java). • Familiarity with... ...deployment (CI/CD) pipelines, and...Work at officeLocal area$89.6k - $204k
...(Entry Level to SME) TS/SCI with Poly REQUIRED Position Description... ...(EDA) and assist senior staff in preparing... ...extract raw data and Python or R to clean and format... ...• Modeling: Assist in developing, testing, and updating... ...pipelines, applying CI/CD principles to transition...Work at officeLocal area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior API/Java/Python Developer (TS/SCI with CI Poly). Be the first to apply!
- entry level java developer remote Arlington, VA
- java web developer Arlington, VA
- remote junior java developer Arlington, VA
- java spring developer Arlington, VA
- java developer remote part time Arlington, VA
- java developer Arlington, VA
- java software engineer Arlington, VA
- full stack / python developer (remote) Arlington, VA
- senior manager customer operations Arlington, VA
- senior software engineer ruby on rails Arlington, VA



