Mid-Level .NET Developer Arlington, VA

POSITION DESCRIPTION: Pioneering Evolution is seeking aMid-Level Software Developer to contribute to the development of a Marine Corps software platform'smodernized .NET Corestack. The Mid-Level Developer will work closely withthe Lead and Senior Developers, assisting in feature development, troubleshooting, and code optimization. This role requires a strong understanding development, API design, and software engineering best practices.This position requiresa Secret Clearanceand is based in theWashington D.C. metro area, withon-site requirements as needed. RESPONSIBILITIES: Develop, maintain, and Core applications, working withinAWS Fargate-based containerized environments. Write efficient, maintainable, and well-documentedC# code, implementing best practices inRESTful API development. Assist insoftware design and review technical specifications, contributing ideas for architectural improvements. Participate incode reviews and testing efforts, ensuring high-quality code delivery. Work withSQL databases (AWS RDS - SQL Server, PostgreSQL), writing queries and optimizing performance. Troubleshoot and resolve software defects and performance bottlenecks. Provide guidance to junior developersthrough collaborative problem-solving, peer code reviews, and technical discussions. Take ownership of feature implementations and actively participate in Agile development processes. REQUIRED EXPERIENCE: Bachelor's Degree in Computer Science, Software Engineering, or related field. 3-5 years of experience in software development, with proficiency Core, C#, and Core. Experience working withRESTful APIs and microservices architecture. Strong SQL skills, with experience inAWS RDS (SQL Server, PostgreSQL, or MySQL). Experience with containerized applications(Docker, AWS Fargate preferred). Familiarity withGit and Git branching strategies. Strong problem-solving skills and willingness to learn. This position requires the ability to obtain and maintain a Secret U.S. security clearance; therefore, U.S. citizenship is required. DESIRED EXPERIENCE: Familiarity with AWS services (Lambda, API Gateway, SQS, SNS). Experience with DevOps practicesandCI/CD tools (AWS CodePipeline, GitHub Actions, Jenkins). Knowledge of unit testing and Test-Driven Development (TDD). Experience working in Agile development environments. WHO WE ARE AND WHAT WE OFFER: In addition to competitive salaries and opportunities for professional development and advancement, our employees enjoy a comprehensive range of benefits. To keep pace with the changing needs of our employees, we continually evaluate benefit plans. Current benefits include: Paid time off 10 paid holidays Medical insurance Vision insurance Legal assistance Company-paid life insurance and AD&D Company-paid long term and short term disability insurance 401(k) plan with company contribution Continuing Education Opportunities - We encourage our employees to grow in their areas of expertise and beyond. We believe in strengthening our team through education and we offer a variety of opportunities to pursue individual education, training and development goals. In addition to traditional classroom learning, new employees go through an internal proficiency program to ensure everyone has the skills they need to succeed. Apply for this job * indicates a required field First Name * Last Name * Email * Phone Resume/CV Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile Website Do you meet the U.S. Citizenship requirement for this position? * Select... Are you able to obtain and maintain a government security clearance? * Select... What is your desired salary range? * What is the soonest date you are available to start? * Are you authorized to work in the United States? * Select... Have you ever been convicted of a felony? (If yes, explain) * Have you ever worked for Pioneering Evolution, LLC? (If yes, when?) * Select... What is your highest completed level of education? (Please include school/university name & type of degree earned) * Have you ever served in the United States Military? (If yes, please include branch, dates, rank at discharge, and type of discharge.) * Voluntary Self-Identification For government reporting purposes, we ask candidates to respond to the below self-identification pletion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file. As set forth in Pioneering Evolution's Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law. If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability. A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service. An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense. An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985. Select... 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Disabilities include, but are not limited to: Alcohol or other substance use disorder (not currently using drugs illegally) Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS Blind or low vision Cancer (past or present) Cardiovascular or heart disease Celiac disease Cerebral palsy Deaf or serious difficulty hearing Diabetes Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders Epilepsy or other seizure disorder Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome Intellectual or developmental disability Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD Missing limbs or partially missing limbs Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports Nervous system condition, for example, migraine headaches, Parkinson's disease, multiple sclerosis (MS) Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities Partial or complete paralysis (any cause) Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema Short stature (dwarfism) Traumatic brain injury Disability Status Select... 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