Sr. Full Stack Application Engineer

Sr. Full Stack Application Engineer - Contract - Buena Vista, FL - $80.00 - $85.00/hr
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. Our client is seeking a Sr.

Full Stack Application Engineer in Buena Vista, FL
Role 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.

What We're Looking For

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.

Benefits/Other Compensation
This position is a contract/temporary role where Hays offers you the opportunity to enroll in full medical benefits, dental benefits, vision benefits, 401K and Life Insurance ($20,000 benefit). Why Hays? You will be working with a professional recruiter who has intimate knowledge of the industry and market trends. Your Hays recruiter will lead you through a thorough screening process in order to understand your skills, experience, needs, and drivers.

You will also get support on resume writing, interview tips, and career planning, so when there's a position you really want, you're fully prepared to get it. Nervous about an upcoming interview? Unsure how to write a new resume? Visit the Hays Career Advice section to learn top tips to help you stand out from the crowd when job hunting. Hays is committed to building a thriving culture of diversity that embraces people with different backgrounds, perspectives, and experiences. We believe that the more inclusive we are, the better we serve our candidates, clients, and employees.

We are an equal employment opportunity employer, and we comply with all applicable laws prohibiting discrimination based on race, color, creed, sex (including pregnancy, sexual orientation, or gender identity), age, national origin or ancestry, physical or mental disability, veteran status, marital status, genetic information, HIV-positive status, as well as any other characteristic protected by federal, state, or local law. One of Hays' guiding principles is 'do the right thing'. We also believe that actions speak louder than words.

In that regard, we train our staff on ensuring inclusivity throughout the entire recruitment process and counsel our clients on these principles. If you have any questions about Hays or any of our processes, please contact us. In accordance with applicable federal, state, and local law protecting qualified individuals with known disabilities, Hays will attempt to reasonably accommodate those individuals unless doing so would create an undue hardship on the company.

Any qualified applicant or consultant with a disability who requires an accommodation in order to perform the essential functions of the job should call or text . Drug testing may be required; please contact a recruiter for more information.
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