Software Engineer I

Perseus Group, Constellation Software

. Develop, test, debug, and maintain software applications and services .

Posted 9/19/2026full-timeUnited StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in software development with a strong understanding of object-oriented design principles and software development fundamentals. Capable of collaborating effectively within teams and delivering high-quality software solutions while adhering to established engineering standards.

Highest-signal resume keywords

Proficiency In Modern Programming LanguageUnderstanding Of Object-Oriented Design PrinciplesFamiliarity With GitKnowledge Of SQLExperience With .NET/C#

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentDebuggingTestingCode QualityAutomationPerformanceReliabilityAgile Development MethodologiesAutomated Testing FrameworksEnterprise Integration

Soft Skills

Analytical SkillsProblem-Solving SkillsEffective Communication SkillsTeam CollaborationIndependent Work

Tools & Technologies

GitSQLAmazon Web ServicesREST APIsAngular

Industry Keywords

Software Development Life CycleTechnical DocumentationContinuous ImprovementDark Matter ProductsBusiness Analysis

Tech Stack

Tools & technologies

AngularASP.NETAWSCloudSDLCSQL.NET

About the role

Key responsibilities & impact

Develop, test, debug, and maintain software applications and services
Participate in the full Software Development Life Cycle, including requirements analysis, design, development, testing, deployment, and support
Write clean, maintainable, and well-documented code following established engineering standards
Assist in analyzing business and technical requirements to develop effective software solutions
Collaborate during sprint planning, code reviews, and design discussions
Investigate and resolve software defects and production issues
Create and maintain technical documentation for application functionality and support procedures
Contribute to continuous improvement involving code quality, automation, performance, and reliability
Learn Dark Matter products, platforms, development standards, and industry regulations
Deliver assigned development stories and defect fixes
Contribute to sprint commitments and team objectives
Build working relationships across Engineering, Product Management, and Quality Assurance teams

Requirements

What you’ll need

Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field, or equivalent combination of education and experience
0-3 years of software development experience
Proficiency in at least one modern programming language
AI-First mentality when it comes to software development
Understanding of object-oriented design principles and software development fundamentals
Familiarity with source control systems such as Git
Knowledge of basic database concepts and SQL
Strong analytical and problem-solving skills
Effective written and verbal communication skills
Ability to work effectively independently and within a team environment
Preferred: Experience with .NET/C#, ASP.NET, or related Microsoft technologies
Preferred: Experience with Angular
Preferred: Exposure to cloud platforms such as Amazon Web Services
Preferred: Familiarity with REST APIs and web services
Preferred: Enterprise Integration Experience
Preferred: Understanding of Agile development methodologies
Preferred: Experience with automated testing frameworks