SME Software Developer, Applications

Essnova Solutions, Inc.

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Littleton, Colorado, US on site Until 8/21/2026 10+ years exp First posted March 18, 2026 Last posted March 18, 2026
Job description

Essnova Solutions, Inc., an Inc. 500 federal contractor and SBA 8(a)/HUBZone-certified small business, is seeking a highly competent Capture Manager with the strategic acumen and execution horsepower to drive high-value wins across our federal portfolio. With access to powerful contract vehicles including GSA OASIS+, Seaport NxG, FAA eFAST, GSA MAS, and 8(a) STARS III and deep capabilities in IT, Cybersecurity, Healthcare, Geospatial, and Environmental services, we are uniquely positioned for explosive growth. Essnova possesses necessary clearances and ISO, and CMMI Level 3 certification and exceptional past performance.

*This role is contingent upon contract award.

The SME Software Developer serves as a subject matter expert in the design, development, and modernization of HRD’s enterprise applications. This role provides technical leadership, advanced coding expertise, and oversight of complex migrations and integrations across mainframe and web-based environments. 

  • Lead development of large-scale applications in Natural, SQL, Java, and JavaScript. 
  • Design and implement solutions for modernizing legacy systems. 
  • Provide technical guidance and mentorship to senior and journeyman developers. 
  • Ensure secure, scalable, and efficient code across platforms. 
  • Support system conversion, integration, and interoperability verification. 
  • Collaborate with government stakeholders on architecture and system requirements. 

Requirements

  • 10+ years of software development experience. 
  • Ability to obtain and maintain a Federal government background investigation (NACI). 

Desired Qualifications

    • Deep expertise in Natural/ADABAS, IBM z/OS, Oracle, and Postgres SQL. 
    • Experience with system conversion, cloud migration, and web-based technologies. 
    • Knowledge of Agile/SAFe and DevSecOps methodologies. 
    • Recognized certifications in software architecture or enterprise development. 
About this role

Summary

Design, develop, and modernize enterprise applications; lead migrations, integrations, and provide technical guidance.

Job title

SME Software Developer, Applications

Experience level

10+ years

Minimum experience

10+ years exp

Industry

software

Location requirements

Littleton, Colorado; remote not allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

NaturalSQLJavaJavaScriptsoftware development

Preferred skills

Natural/ADABASIBM z/OSOraclePostgres SQLcloud migrationweb technologiesAgileDevSecOpscertifications

Specializations

NaturalSQLJavaJavaScript
Locations

Structured locations inferred from the posting.

Littleton, CO, USA

On-site City