Software Developer

• The Software Engineer (Senior) leads the design, development, and delivery of complex software systems, serving as a technical authority within the engineering team.
• This role drives architectural decisions, establishes engineering standards, and delivers high-quality, scalable solutions that meet mission and business requirements.
• The Senior Software Engineer mentor’s junior and mid-level engineers, leads technical initiatives across teams, and partners with architects, product owners, and stakeholders to translate requirements into robust implementations.
• The ideal candidate brings deep expertise in modern software engineering practices, a strong track record of delivering production systems, and the ability to balance technical excellence with pragmatic delivery.

Role & Responsibilities:

• Lead the design and implementation of complex software features, services, and systems across the full stack.
• Define and enforce coding standards, design patterns, architectural guidelines, and engineering best practices across the team.
• Architect scalable, maintainable solutions using microservices, event-driven patterns, and cloud-native technologies.
• Conduct thorough code reviews, providing constructive feedback that raises overall team code quality.
• Drive technical decision-making, including technology selection, framework evaluation, and build-vs-buy assessments.
• Design and implement comprehensive testing strategies, including unit, integration, performance, and end-to-end testing.
• Collaborate with DevOps and infrastructure teams to optimize CI/CD pipelines, deployment processes, and production reliability.
• Identify and resolve complex performance bottlenecks, scalability issues, and production incidents.
• Mentor and develop junior and mid-level engineers through pairing, knowledge sharing, and technical guidance.
• Partner with product owners, architects, and stakeholders to refine requirements, estimate effort, and plan delivery.
• Contribute to technical roadmap planning and provide input on strategic technology direction.
• Produce and maintain high-quality technical documentation, including architectural decision records and design specifications.

• Bachelor’s degree in Computer Science, Software Engineering, or a related field; Master’s degree preferred.
• 8+ years of professional software engineering experience, with a proven track record of delivering production systems.
• Expert-level proficiency in the Java programming language as well as front-end technologies Javascript, HMTL, CSS, and Vue.
• Deep experience with modern frameworks and platforms (Spring Boot, .NET, Django, React, Angular, Node.js, or equivalent).
• Strong knowledge of relational and NoSQL databases (PostgreSQL, SQL Server, MongoDB, DynamoDB, or Redis).
• Experience designing and building microservices architectures, RESTful APIs, and event-driven systems.
• Proficiency with cloud platforms (AWS, Azure, or Google Cloud Platform) and cloud-native services.
• Experience with containerization (Docker, Kubernetes) and CI/CD pipeline design.
• Strong understanding of software security principles, including OWASP, secure coding practices, and authentication/authorization patterns.
• Proven ability to mentor engineers, lead technical discussions, and influence architectural direction.
• Excellent analytical, communication, and documentation skills.
• Experience in government, DoD, or regulated software environments is strongly preferred.

Security Clearance

• Active Top Secret.

22nd Century Technologies, Inc., is one of the fastest growing IT Service Integrator and Workforce Solution companies in the United States. Founded in 1997, 22nd Century Technologies is a Certified National Minority Business Enterprise with 6,000+ people including 600+ Cyber SMEs nationwide supporting our customers in all 50 states, Canada, and Mexico. With HQs in Somerset, NJ and Mclean, VA, 22nd Century has 14 offices throughout the United States. As part of our unrelenting focus on quality and compliance, 22nd Century Technologies delivery is based on Certified Matured Processes including CMMI L3 Dev & SVC, ISO 20000, ISO 27001, and ISO 9001 quality processes. With a strong focus on the public sector, 22nd Century currently holds government contracts with 14 out of 15 Federal Executive agencies including DoD, 37 other Federal agencies, 50 States, 115+ Local agencies, and 37 School Districts. In the last three years, we have expanded our services to Fortune 500 and other