Senior Full Stack Developer (React, Python)

Salary: $157000 - 168000 per year Requirements: Bachelors or Masters degree in Information Technology, Computer Science, Computer Engineering, or Electrical Engineering Over 8 years of professional experience in software development At least 6 years of experience building applications using React, including state management with Redux or Context API Strong background with Python frameworks such as Django, Flask, or FastAPI Proven capability to design, build, and utilize RESTful APIs; GraphQL knowledge is a plus Solid experience in SQL and NoSQL database systems Familiarity with deploying applications on cloud platforms like Azure, AWS, or GCP Knowledge of containerization tools such as Docker and Kubernetes Exposure to CI/CD pipelines and DevOps methodologies Understanding of security best practices such as OAuth, JWT, and role-based access control Previous experience in Agile/Scrum environments Proficiency in HTML5, CSS3, and modern CSS frameworks like Tailwind or Material-UI Experience with unit and integration testing frameworks, such as Jest or PyTest Leadership experience in designing and implementing scalable application architectures Experience in influencing architectural strategies and modernization roadmaps Ability to assess and select effective tools and frameworks for new projects Technical mentoring experience with mid-level and junior developers Responsibilities: Create responsive, user-centric front-end applications using React and contemporary UI frameworks Develop and maintain RESTful APIs and backend services using Python (Django, Flask, or FastAPI) Design and optimize relational databases (like PostgreSQL, MySQL) and NoSQL databases (such as MongoDB, Cosmos DB, etc.) Seamlessly integrate React front-end applications with Python APIs and databases Implement secure, scalable, and high-performance application architectures Collaborate with DevOps on CI/CD pipelines, containerization strategies (Docker, Kubernetes), and cloud hosting solutions (Azure, AWS, or GCP) Conduct code reviews, craft automated tests, and diagnose issues across the stack Work closely with UX/UI designers, Quality Assurance, and product owners in Agile/Scrum teams Engage in critical analysis of software products, frameworks, and architectural patterns to ensure long-term project success and scalability Technologies: API AWS Azure Backend CI/CD Cloud Cosmos DB CSS DevOps Django Docker FastAPI Flask GCP GraphQL HTML5 JWT Jest Kubernetes MongoDB MySQL NoSQL OAuth PostgreSQL Python React Redux SQL Security Web pytest UX UI Design Support Fullstack More: Covalent Solutions is a dedicated and innovative company located in Bethesda, Maryland, looking for a mission-driven Senior Full-Stack Developer specializing in React and Python to join our collaborative team. We focus on building modern, scalable web applications and emphasize application design and strategic technology decision-making. This full-time, on-site opportunity also offers competitive salary ranging from $135,000 to $145,000 per year along with comprehensive benefits including health insurance, retirement plans, paid holidays, and more. last updated 25 week of 2026