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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Full Stack Application Engineer - **Company:** Hays Specialist Recruitment LLC - **Location:** Jacksonville, FL, United States - **Experience:** Expert - **Salary:** $166,400 - $176,800 - **Contract:** Temporary contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Big Data, Cascading Style Sheets (CSS), Code Generation, Software Quality, Databases, Data Integration, Data Security, Data Visualization, Database Applications, Relational Databases, Database Queries, DevOps, Programming Tools, Django Web Framework, Design of User Interfaces, Python (Programming Language), PostgreSQL, Performance Tuning, Query Optimization, Next.js, Software Engineering, SQL Databases, TypeScript, Web Applications, Web Application Frameworks, Web Performance Optimization, Web Platforms, Website Wireframe, Tailwind, GitHub Copilot, ReactJS, Snowflake, Database Performance, AI Coding Agents, Backend, Gitlab-ci, Information Technology, Build Tools, Figma, Front End Software Development, Api Design, Restful APIs, GPT - **Published:** November 12, 2026 - **Apply:** https://www.dice.com/job-detail/f0be8a95-35e9-4f9a-81be-2106ddff3279 ## About the Role The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Sponsorship not available., Proven experience designing and building full-stack web platforms, with strong capabilities in front-end architecture, back-end services, and user experience. Deep expertise in HTML, CSS, JavaScript, and React, plus strong back-end development skills in Python and Django or similar frameworks. Ability to optimize applications end to end, including front-end code, APIs, and database queries, for performance, scalability, and large data sets. Partner with designers, product managers, and data engineers to translate design concepts into functional, high-performance web applications Strong collaboration and communication skills to work effectively with cross-functional teams. Skills & Requirements Advanced proficiency in React, Python and Django, UI/UX design, data visualizations, and full-stack performance optimization. Proven experience building performant, accessible, and reusable front-end components, back-end services, or libraries. Experience implementing UI/UX designs in Figma, including user scenarios, wireframes, mockups, and technical specifications. Experience with front-end and back-end build tools and GitLab CI/CD Advanced experience with Python and Django or similar web frameworks, including designing and building RESTful APIs. Experience building data-driven applications with databases such as PostgreSQL, Snowflake, and SQL, including schema design and query optimization. Demonstrated leadership in full-stack architecture and tool selection. Advanced proficiency with AI tools to accelerate development and automate workflows, such as using AI coding assistants for code generation/review and building AI-driven automation into engineering processes. Master's degree in a technical field or equivalent experience. 5+ years of software development experience, with at least 3 years of front-end development and at least 2 years of back-end development. Proficiency in React, HTML, CSS, TypeScript, and Python. Familiar with frameworks like Next.js, Tailwind CSS, TanStack (Query and Table), Django, and global state management libraries. Skilled in writing clean, maintainable, and well-documented code Proficient in designing, building, and consuming RESTful APIs, with working knowledge of relational databases and data access techniques Comfortable using AI coding assistants (e.g., GitHub Copilot, ChatGPT) to speed up development and streamline day-to-day workflows. Bachelor's degree in Computer Science, MIS, Mathematics, or related field. ## Description Lead the design and development of engaging, user-centric, end-to-end web applications for strategic internal business decision-makers. Champion modern front-end and back-end technologies and frameworks, focusing on building responsive, scalable, secure, and accessible applications across the full stack using React, Python, Django, or similar technologies. Collaborate closely with Product Managers and Designers to translate business requirements into intuitive user experiences. Work with Data Scientists and Data Engineers to build the APIs and data integrations that surface complex data and model outputs, and to visualize them in clear, actionable formats for end users. Mentor and guide other engineers in full-stack best practices, code quality, system design, and UI/UX design principles. Partner with DevOps to ensure seamless deployment, security, and performance of front-end and back-end applications and services. Advocate for and implement best practices across the full stack, including accessibility, API design, database performance, security, and maintainability. Leverage AI-powered development tools (e.g., GitHub Copilot, ChatGPT) to accelerate coding, testing, and documentation, and to automate repetitive engineering workflows.