Junior Fullstack Software Engineer

Location Note:  This a hybrid role for our Wakefield, MA office (In-office one day every other week, plus additional in-person trainings and workshops as needed)  The Purpose of Your Role: The Junior Software Engineer is part of the development team, which has the responsibility for building, maintaining, enhancing and integrating home built custom applications using different technology stacks and connected systems. A junior engineer at Sentinel learns and conducts requirement analysis, documents technical specifications, test plans, writes, reviews, debugs code and performs releases. This role handles increasingly complex issues and problems over time or collaborates more complicated issues with higher-level staff. What you'll bring to Sentinel: Comprehend the need to build secure, maintainable and testable software systems. Growth mindset and willingness to learn. Experience in agile environments. Programming expertise in Python. Programming knowledge with Typescript, ReactJs, SQL, Terraform and ideally Go Knowledge how AI can help us build better applications What you’ll be responsible for: Work with Business Analysts and peers to build software you are proud of. Help converting legacy applications into web based applications. Build secure and well-defined API’s. Build automation with Airflow. Utilize Azure DevOps, Azure Pipelines, and Azure Repos and upgrade DevOps processes within Sentinel. A bout you:  We are looking for smart and innovative thinkers to drive our business and clients forward—someone with self-motivation, drive, determination, and the strength of character to challenge the status quo. We strive to surround ourselves with team members who are proud of their work and look for people who are willing to embrace change. What you need to have: Preferred qualifications: •1–3 years of experience building or supporting software applications through professional work, internships, coursework, or personal projects. •Experience developing with Python and familiarity with TypeScript and React. •Working knowledge of SQL and relational databases. •Familiarity with REST APIs, automated testing, version control, and CI/CD practices. •Exposure to Azure DevOps, Azure Pipelines, Azure Repos, Terraform, or Airflow. •Understanding of secure, maintainable, testable software design and basic application security principles. •Experience working in an Agile or collaborative, cross-functional development environment. •Ability to troubleshoot existing systems, understand legacy code, and contribute to incremental modernization. •Interest in using AI-assisted development tools responsibly to improve software quality and developer productivity. •Strong written and verbal communication skills, with a willingness to ask questions, receive feedback, and continue learning. Salary Range: $88,000-$93,000 At Sentinel, compensation is calibrated to your geographic location to reflect local market conditions; the posted salary range may…