Applications Developer II

Solutions3 LLC; Arlington, Northern (VA, KY); Hybrid; USD 90,000 - 135,000; Full time

Job summary

Solutions³ LLC is seeking an Applications Developer II to support the U.S. Government mission, focusing on secure, end-to-end software development for on‑premise and cloud‑based tools. You will design, troubleshoot, and expand software stacks, with strong Python and AWS experience, RESTful APIs, and containerization using Kubernetes and Docker.

Collaboration across remote and on‑site teams is required. The role requires 2+ years in applications development, US citizenship, active SECRET

Qualifications

• Experience in applications development and secure coding practices.
• Proficiency with Python and RESTful APIs in cloud and on‑premise environments.
• Experience with AWS services and containerized architectures.
• Ability to work with customers and cross‑functional teams.
• US citizenship and clearance eligibility requirements.

Responsibilities

• Design, troubleshoot, and implement software code for end‑to‑end 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 integration of new products per requirements.
• Interfaces with RESTful APIs and ensures documentation quality and process standards.
• Ensures quality control of all developed and modified prototype software.

Skills

Secure SDLC

Python

RESTful APIs

AWS

Containerization

Customer interaction

Team collaboration

Education

Bachelor's degree in CS/CE/IS or related

Tools

Kubernetes

Docker

CI/CD

RESTful tooling

Job description

Applications Developer II

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 obtainDHS 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