Software Developer with Security Clearance

Job Description Everforth ECS is seeking a Software Developer to work onsite at the US Postal Service's Maintenance and Technical Support Service Center (MTSC) in Norman, OK. This position can be authorized for a hybrid work schedule. This entails 4-days per week working onsite at the Postal MTCS in Norman, OK and one day per week work from home (WFH). This role is responsible for performing technical work involving the review, analysis, and modification of complex programming systems, including encoding, testing, debugging, and documenting applications.

This role drives the analysis, design, development, optimization, and maintenance of enterprise-level web-based applications utilizing modern frontend and backend stacks. Working within an agile environment, this role exercises judgment and relies on experience, with the guidance of senior level developers, to plan and accomplish software development goals. This position acts as a critical anchor on medium to complex software development assignments, reporting to a product owner or manager with a wide degree of creativity and latitude.

Please Note: This position is contingent upon additional funding and requires a Public Trust background investigation. This entails an in-depth background check & either US Citizenship or Permanent Resident (Green Card) status. Responsibilities include:

• Assist with reviewing, analyzing, and modifying programming systems, including the baseline implementation, testing, debugging, and documentation of software applications.
• Participate in the review, analysis, and modification of enterprise programming systems, ensuring implementation, testing, debugging, and deep documentation of application architecture.
• Design, build, optimize, and maintain complex, responsive web-based applications utilizing PHP, HTML, CSS, JavaScript, jQuery, and Ajax.
• Develop complex, secure, and performance-tuned web applications utilizing relational data structures, with a specific focus on Oracle environments.
• Partner with cross-functional teams, systems analysts, and business stakeholders within an Agile/Scrum framework to scope, refine, and deliver high-priority features.
• Architect program logic, screen layouts, custom user interfaces, and advanced testing frameworks to drive system modernization.
• Perform proactive code reviews, ongoing system maintenance, and application evaluations to optimize performance and remediate complex technical blocks.
• Create comprehensive test scenarios, drive automated or functional testing protocols, and document outcomes.
• Author and update documentation, workflows, and operating instructions for broad application portfolios.

Required Skills

• Must be able to obtain Public Trust Clearance.
• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent working experience).
• 2-3 years of experience in the field or in a related area.
• Hands-on proficiency in modern web development technologies, specifically PHP, JavaScript, HTML, CSS, jQuery, and Ajax.
• Strong knowledge of object-oriented programming techniques, architectural patterns, and secure enterprise software design.
• Experience writing and optimizing queries for relational databases, including Oracle.
• Proven ability to translate functional requirements into sophisticated, intuitive web user interfaces (UI).
• Able to operate autonomously within an Agile/Scrum delivery model, leading sprint execution or backlog sizing.
• Well versed in source code repositories and advanced version control workflows (such as Git branch strategies or SVN repositories).
• Industry-recognized certifications or advanced technical background in automated testing, CI/CD pipelines, or DevOps practices.

Desired Skills

• Agile/ Scrum development background.
• DevOps Experience.
• Automated Testing Experience.
• Source code repository experience utilizing SVN.
• Experience with XML and developing XSLT style sheets.
• Master's Degree is a plus.
• Certifications are a plus. ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law. is the federal segment of , a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies.

Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow. We value:

• Attracting and developing top talent and high-performing teams
• Fostering a culture that is engaging, accountable, and mission-driven Meet the challenge. Make a difference with Everforth ECS! #EverforthECS1