Senior Software Engineer

Company: Sightline Holdings Corp.
Location: Fairfax
Posted on: April 3, 2026

Job Description:

Job Description Job Description Position Overview We are seeking an experienced Senior Software Engineer to lead and mentor our team of professional software developers. The ideal candidate will bring deep technical expertise in enterprise application development, full-stack web technologies, and modern cloud infrastructure, combined with strong leadership abilities and a passion for developing talent. Location Fairfax, VA Required Qualifications Core Development Skills - Strong proficiency in Java EE platform development for enterprise applications - Expertise in building browser-based user interfaces using HTML, CSS, and JavaScript - Experience with JSF 2.0 framework - Solid understanding of C/C++ programming - Cross-platform development experience in Linux/Unix and Windows environments Database & Data Management - Proven experience with relational databases and SQL (PostgreSQL, MySQL, Oracle) - Working knowledge of ORM technologies such as Hibernate - Experience with Time Series databases, specifically InfluxDB Modern Development Practices - Proficiency in developing RESTful APIs - Mobile application development experience - Scripting capabilities in both Windows and Linux environments - Hands-on experience with AWS cloud technologies for building and deploying applications - Strong version control skills using Git, including gitflow workflows - Experience leveraging AI-assisted coding tools (e.g., GitHub Copilot, Claude, ChatGPT) to enhance development productivity and code quality Project Management & Collaboration - Experience working with Jira for project tracking and issue management - Familiarity with Confluence for documentation and knowledge sharing Preferred Qualifications Experience with any of the following technologies is highly desirable: - Dart and Flutter - Enterprise JavaBeans (EJB) - Java Management Extensions (JMX) and Remote Method Invocation (RMI) - PrimeFaces framework - JBoss/WildFly application servers - jQuery and Ajax for enhanced web interactivity Leadership Responsibilities - Lead and mentor a team of professional software developers - Provide technical guidance and code review oversight - Foster a collaborative team environment that encourages professional growth - Guide architectural decisions and establish development best practices - Coordinate with stakeholders to translate requirements into technical solutions - Mentor junior and mid-level developers in career development - Bachelor’s degree or equivalent in information technology, or computer science. Professional Requirements - Education: Bachelor's degree in Computer Science, Information Technology, or equivalent experience - Experience: 7 years of professional software development experience - Strong organizational and task management skills - Demonstrated ability to adapt and learn new technologies - Excellent written and verbal communication skills in English - Proven track record of effective team collaboration - Work Authorization: Must be a U.S. Citizen; Sightline Systems is not able to sponsor international hires for this role What We're Looking For We need a technical leader who can work across the full technology stack while effectively guiding and developing a team. You should be comfortable making architectural decisions, mentoring developers at various skill levels, and balancing hands-on development with leadership responsibilities that impact our products and team culture. About Sightline Sightline offers a real-time operations intelligence solution focused on analytics, root-cause analysis and correlation of data from any source critical IT systems, applications, storage, databases down to the process level. Sightline's powerful analytics go beyond point-in-time data to include over time and real time trend analysis, with abnormal behaviors or events dynamically communicated for appropriate actions. Benefits & Compensation Sightline provides all employees with medical, vision, dental, life and disability insurance, a 401k plan and free parking. The Network and Systems Administrator position pays a competitive annual salary based on level of experience and with the opportunity for annual performance-based bonuses. To learn more, visit: http://www.sightline.com Job Type: Full-time Benefits: - 401(k) - 401(k) matching - Dental insurance - Flexible schedule - Health insurance - Health savings account - Life insurance - Paid time off - Parental leave - Professional development assistance - Vision insurance Schedule: - 8 hour shift Ability to commute/relocate: - Fairfax, VA 22030: Reliably commute or planning to relocate before starting work (Preferred) Experience: - VMWare: 1 year (Preferred) - Linux: 1 year (Preferred) Language: - English (Required) Work Location: In person

Keywords: Sightline Holdings Corp., Harrisonburg , Senior Software Engineer, IT / Software / Systems , Fairfax, Virginia