Senior Back End Developer (Node.js, API)

Salary: $115000 - 138000 per year Requirements: Active TS/SCI security clearance is mandatory. Availability to work on-site in San Antonio, TX up to five days a week, depending on customer needs. Bachelors degree in a relevant field is essential. A Masters degree may substitute for two years of professional experience. Minimum of 10 years of experience in software development, specifically in object-oriented and scripted languages, with familiarity in various DevSecOps tool suites, microservices, and containers. At least 5 years of experience in back-end web design and development. Over 10 years of experience with relational databases, including RESTful API development and integration. At least 5 years of hands-on experience with Python and PostgreSQL. 5 years of experience using bug tracking tools such as Jira. Over 5 years of experience in testing web-based applications. Minimum of 5 years leading software development initiatives or projects. 3 years of experience with AWS infrastructure, Kubernetes, and RedHat Linux. Proven expertise with at least five of the following technologies: Postgres, RDS, Exodus, Python, Luna, Java, Docker, OpenJDK, Ansible, Packer, Maven, Kubernetes, Red Hat. Experience in preparing, conducting, and documenting various system tests and their outcomes to ensure system operability and adherence to project standards. Practical experience in cloud-based development environments. Responsibilities: Provide subject matter expertise for outlined tasks. Employ analytical skills to enhance process improvements, conduct specialized studies, and define requirements. Engage in activities such as analysis, planning, developing requirement documentation, building functional models, and establishing procedures and functional architectures. Undertake engineering tasks related to back-end design and development, including creating architectures to support current and new system capabilities and integrations. Engage in the development and modification of RESTful APIs, manage databases, and optimize data models. Technologies: API AWS Ansible Cloud DevSecOps Docker Support JIRA Java Kubernetes Linux Maven PostgreSQL Python Security Web microservices AI CI/CD DevOps InVision Machine Learning Sketch UX UI Design Backend More: At Nimbus Data Systems, we are a reliable federal partner dedicated to supporting mission-critical programs in national security, defense, and public service delivery. Our recent achievements in cybersecurity and operational readiness highlight our commitment to impactful government missions. By joining our team, you will engage in meaningful work within dynamic environments, collaborating with professionals who value service, accountability, and results. This role requires on-site work five days a week in San Antonio, TX, necessitating a TS/SCI security clearance. last updated 25 week of 2026