Applications Developer II
Solutions³ LLC · solutions3llc.com
ArlingtonMid level
The job in short
Application development.
Details
- Found
- 21 d ago · posted 2026-09-22
- Location as listed
- Arlington, VA
- Role
- Software Engineer
- Source
- The company’s own careers site
Full description
Title: Applications Developer II
Description:
Solutions³ LLC is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. Solutions³ LLC is seeking an Applications Developer to support this critical customer mission.
Eligibility:
• Must be a US Citizen
• Must have an active SECRET clearance, with the ability to get TS/SCI
• Must be able to obtain DHS Suitability prior to starting employment
• 2+ years of experience in applications development
Responsibilities Include:
• Designing, troubleshooting, and implementing software code for end-to-end software development and service integrations
• Designs, develops, enhances, debugs, integrates, and implements software stacks for on premise and cloud-based tools and services
• Troubleshoots production problems related to software applications and pipeline workflows
• Researches, tests, builds, and coordinates the integration of new products based on user and mission requirements
• Initiates action for evaluation and recommendation of application software packages, application integration, and testing tools
• Resolves problems with software and responds to suggestions for improvements and enhancements
• Design, develop, integrate, and interface with web application RESTful APIs
• Implements recommendations for improving documentation and development process standards
• Ensures quality control of all developed and modified prototype software
• Design, develop, integrate, and interface with web application RESTful APIs
Required Skills:
• Knowledge of secure software development lifecycle and code versioning and maintenance
• Experience with assessing and integrating commercial off the shelf (COTS) products
• Knowledge and familiarity to work with the installation, demonstration, test, validation and evaluation of new and existing software, tools, methods, and software measurement technologies
• Operational experience with Python
• Experience working with AWS resources such as S3, SQS, Lambda, Glue, and Route 53
• Knowledge of software application development and RESTful architecture
• Knowledge of data transformation and manipulation via code
• Experience working and developing in/with containerization software including Kubernetes and Docker
• Must have strong communication skills and have experience interacting with customers directly in a project environment or technical demonstration
• Must be able to work collaboratively across remote and physical locations
Desired Skills:
• Experience with two or more of the following: JSON, Data Analytics, MongoDB, Elastic Search, Databricks, Postgress, Ansible, Vue.js, React, HTML, Podman, Process Automation, UI Development, CI/CD knowledge
• Familiarity with data transformation (ETL)
Desired Certifications: CSSLP, Sec+
Required Education: Bachelor of Science in Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree; or High School diploma and 4-6+ years of directly relevant experience
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