Senior Full Stack Developer

Salary: $167000 - 177000 per year Requirements: We require a bachelors or masters degree in Information Technology, Computer Science, Computer Engineering, or Electrical Engineering. We want at least 8 years of professional software development experience. We need 6+ years of hands-on React development experience, including state management with Redux or Context API. We require strong experience with Python frameworks such as Django, Flask, or FastAPI. We look for proven experience designing, building, and consuming RESTful APIs; GraphQL experience is a plus. We expect solid experience with both SQL and NoSQL databases. We require experience deploying applications on cloud platforms such as Azure, AWS, or GCP. We value familiarity with Docker and Kubernetes. We look for exposure to CI/CD pipelines and DevOps practices. We require understanding of security best practices, including OAuth, JWT, and role-based access control. We want prior experience working in Agile/Scrum environments. We expect proficiency in HTML5, CSS3, and modern styling frameworks such as Tailwind or Material-UI. We look for experience with unit and integration testing tools such as Jest or PyTest. We require experience leading application architecture design and implementation from the ground up, with scalable and resilient solutions aligned to business goals. We value experience influencing architectural strategy and modernization roadmaps across technical and business leadership. We look for experience evaluating and selecting tools, frameworks, and services for new projects, including design reviews and technical justification. We want experience mentoring mid-level and junior developers with hands-on coding support and reference code. We expect strong problem-solving, analytical, organizational, communication, and time-management skills. We value the ability to manage multiple priorities in a fast-paced, dynamic setting. We need someone who can collaborate effectively, handle conflict constructively, and work well across teams. We look for someone who is self-directed, adaptable, detail-oriented, proactive, and comfortable with ambiguity. Responsibilities: We build responsive, user-friendly front-end applications using React and modern UI frameworks. We develop and maintain RESTful APIs and backend services with Python. We design and optimize relational and NoSQL databases. We integrate React interfaces with Python APIs and databases to create seamless applications. We implement secure, scalable, high-performance application architectures. We collaborate with DevOps on CI/CD, containerization, and cloud deployment. We conduct code reviews, write automated tests, and troubleshoot issues across the stack. We partner with UX/UI designers, QA, and product owners in Agile/Scrum teams. We evaluate software products, frameworks, and architectural patterns to make effective long-term technology decisions. We contribute to architecture strategy, modernization planning, and technical mentoring for junior team members. Technologies: API AWS Azure Backend CI/CD Cloud DevOps Django Docker FastAPI Flask GCP GraphQL HTML5 Support JWT Jest Kubernetes NoSQL OAuth Python React Redux SQL Security Web pytest UX UI Design Cosmos DB MongoDB MySQL PostgreSQL Fullstack More: We are Covalent Solutions, a mission-driven and collaborative company seeking a full-time Senior Full-Stack Developer to join us on-site in Bethesda, Maryland. This role focuses on building modern, scalable web applications with strong emphasis on application design and technology decision-making. We offer a competitive salary range of $165,000 to $175,000 per year, along with benefits including 401(k), health, dental, vision, life, disability, AD&D insurance, paid time off, paid holidays, paid sick time, paid training, professional development assistance, dependent health coverage, and bereavement leave. The position is in person and requires commuting to Bethesda, MD. last updated 26 week of 2026