Senior API/Java/Python Developer

Vantor; Arlington (VA); On-site; USD 170,000 - 210,000; Full time

Benefits offered by this job

401(k) with company match

Mental health resources

Student loan repayment assistance

Adoption reimbursement

Pet insurance

Job summary

Vantor in Arlington, VA is seeking a software engineer for secure, scalable applications and APIs. You will design, develop, test, and deploy Java and Python services, emphasizing API design, data storage, and cross‑functional collaboration.

Ideal candidates have a Bachelor’s degree, 5+ years of experience, strong API, cloud, and security fundamentals, and an active Secret clearance with TS/CI Poly eligibility; familiarity with AWS/Azure/GCP and Docker/Kubernetes is a plus.

Qualifications

• Bachelor’s degree and minimum 5 years of experience.
• Active Secret clearance with TS/SCI CI Poly eligibility.
• Proficiency in Java and/or Python with Spring Boot/Flask/Django.
• Strong understanding of API architectural styles (REST, GraphQL, SOAP) and API tools (Postman, Swagger).
• Familiarity with SQL and NoSQL databases.
• Experience with Git and agile methodologies.
• Knowledge of cloud platforms (AWS, Azure, GCP).
• Familiarity with Docker and Kubernetes.

Responsibilities

• Software Development: Design, develop, test, and deploy robust and scalable applications and APIs using Java and Python.
• API Design and Integration: Design and implement RESTful APIs and microservices with secure communications.
• Database Management: Work with SQL and NoSQL databases for storage and retrieval.
• Collaboration: Coordinate with frontend, product, and QA teams to define requirements and integrate components.
• Performance optimization and security: Improve performance and ensure secure data handling and API authentication.
• Cloud Integration (Optional): Integrate cloud services for cloud-native solutions.
• Maintenance and support: Provide ongoing support and enhancements for existing apps and APIs.

Skills

Java

Python

RESTful APIs

Agile methodologies

Git

Cloud platforms

Spring Boot

Flask/Django

Education

Bachelor’s degree

Tools

Postman

Swagger UI

Docker

Kubernetes

Job description

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).
This position requires an active U.S. Government Security Clearance at the Secret level with the ability to obtain and maintain a TS/SCI with CI Poly.

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 Secret clearance (or higher) with the ability to obtain and maintain a 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 - $210,000.00

Benefits

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: https://www.Vantor.com/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.

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.