Senior Full Stack Web Developer (React / Node.js / PHP / SAP BTP)

We’re Watts. Together, we’re reimagining the future of water.

We feel proud every day about what we do. We're all part of the same crucial mission, no matter what function we support -- it's to provide safe, clean water for the world, and to protect our planet's most valuable resource.

What we do:

For 150 years, Watts has built best-in-class products that are trusted by customers in residential and commercial settings across the world. We are at the forefront of innovation, working with cutting-edge technology to provide smart and connected, sustainable water solutions for the future. Watts is a leading brand with a quality reputation — and we have a dynamic future ahead.​

Scope of Position

We are seeking an experienced Senior Full Stack Web Developer with strong expertise in React, Node.js, PHP, SQL, and SAP BTP (SAP Business Technology Platform)—including hands‑on experience with SAP BTP Workflows—to design, build, and maintain scalable, enterprise‑grade web applications. This role blends modern JavaScript development with SAP‑integrated and database‑driven systems, requiring sound architectural judgment, hands‑on coding, and technical leadership.

Primary Job Duties and Responsibilities

• Design and develop modern, responsive web applications using React, TypeScript, and component‑based UI libraries
• Build and maintain scalable back‑end services using Node.js (e.g., Express, NextJS) and PHP‑based applications or services
• Design, develop, and consume RESTful APIs and/or GraphQL APIs
• Design, implement, and integrate SAP BTP Workflows to support business processes, approvals, and system orchestration
• Integrate web applications with SAP BTP services, including APIs, workflows, and enterprise data sources
• Develop, optimize, and maintain SQL‑based data models, queries, and stored procedures
• Collaborate with business stakeholders and UX/UI designers to translate requirements into reusable components and workflows
• Make architectural and technical decisions across front‑end, back‑end, database, and SAP integration layers
• Ensure application performance, reliability, security, and maintainability
• Write clean, well‑documented, and testable code; participate in code reviews
• Support CI/CD pipelines and cloud‑based deployments
• Mentor junior developers and promote best practices across the team
• Participate in Agile ceremonies, estimation, and backlog refinement

Required Qualifications

• Bachelor’s degree in Computer Science, Engineering, or equivalent professional experience
• 7+ years of professional software development experience
• Strong proficiency in JavaScript and TypeScript
• Extensive hands‑on experience with React, including hooks, state management, and component architecture
• Experience using AI-assisted coding tools (e.g., GitHub Copilot, Microsoft Copilot) to accelerate development, improve code quality, assist with debugging, and support code refactoring while maintaining security and coding standards.
• Demonstrated ability to apply AI-assisted coding responsibly within SAP ecosystems, including reviewing, validating, and securing AI-generated code that integrates with SAP BTP services and workflows, while ensuring compliance with organizational coding standards, security policies, and SAP-recommended best practices.
• Proven experience using component‑based UI libraries or design systems (e.g., Material UI, Ant Design, Chakra UI, Bootstrap, or custom component libraries)
• Experience designing and maintaining reusable, scalable front‑end components
• Strong back‑end development experience with Node.js
• Professional experience developing and maintaining PHP applications
• Strong SQL skills, including schema design, query optimization, and performance tuning
• Experience with relational databases such as PostgreSQL, MySQL, or SQL Server
• Hands‑on experience with SAP BTP, including SAP BTP Workflows
• Experience implementing workflow‑driven business processes and system integrations
• Experience designing and consuming APIs (REST and/or GraphQL)
• Familiarity with modern build tools and package managers (e.g., Vite, Webpack, npm, pnpm)
• Experience with cloud platforms (Azure, AWS, GCP, or SAP BTP environments) and CI/CD workflows
• Solid understanding of web security, authentication, and authorization best practices
• Strong problem‑solving, debugging, and communication skills

Preferred Qualifications

• Experience with Next.js or other React‑based frameworks
• Experience contributing to or maintaining a shared component library or design system
• Advanced experience with SAP BTP services (Workflows, Integration Suite, Destinations)
• Experience modernizing or integrating legacy PHP systems
• Experience with Docker and containerized deployments
• Knowledge of automated testing tools (testRigor, Cypress, Playwright)

General Applicable Company Competencies

• Commitment to Watts’ values of integrity, accountability, continuous improvement and innovation, and transparency.
• Punctuality and dependability.
• Ability to be flexible and adapt to changing work priorities and stressful conditions.
• Adherence to all personnel policies, procedures, and standards of process as implemented by Watts.
• Maintain productive and collaborative relationships with other Watts employees.
• Adherence to Watts’ seven cultural beliefs: Growth Mindset, Customer-Focused Innovation, Constant Communication, Clear Goals, Collaborate Globally, Be Inclusive, and Take Action.

Working Conditions:

While performing the job duties, you will be working remotely in an office environment. You may be required to occasionally travel to and work in the office at the Andover location for meetings, trainings, or as otherwise required by Company management.

Physical Requirements: Specific physical abilities required for this position include, but are not limited to:

• Ability to remain seated at a desk or workstation for extended periods.

• Ability to perform repetitive tasks like typing on a keyboard or using a mouse for extended periods.
• Ability to physically move around the office, organize or transport files, packages, or other office-related materials.

• Ability to read documents, use a computer, and perform data entry tasks.
• Ability to communicate clearly with management and coworkers, particularly in meetings or phone calls.

• Ability to operate standard office equipment such as computers, printers, phones, and copiers.
• Ability to occasionally lift and carry light objects, such as office supplies, documents, or small equipment.

Pay Range [insert as legally required by state pay transparency laws]

If applicable, use the Watts standard language: “The expected salary range for this position is $124,000 - $138,000 yearly. Actual compensation will be dependent upon individual skills, experience, qualifications, and applicable law.”

Nothing in this job description restricts Watts’ right to assign or reassign duties, responsibilities, and working hours/conditions to this position at any time. This position is “at will,” which means that either the employee or Watts may terminate the employment relationship at any time, with or without notice, and for any lawful reason.

#LIRemote

Watts in it for you:

Please note that the following benefits apply only to permanent roles and do not apply to internship roles.

• Competitive compensation based on your skills, qualifications and experience
• Comprehensive medical and dental coverage, retirement benefits
• Family building benefits, including paid maternity/paternity leave
• 10 paid holidays and Paid Time Off
• Continued professional development opportunities and educational reimbursement
• Additional perks such as fitness reimbursements and employee discount programs
• Learn more about our benefit offerings here: https://tapintowattsbenefits.com/

How we work:

At Watts, our culture is team-oriented and supportive. Employees here genuinely care about the quality of their work, and about each other. Our people are the heart of who we are and contribute to our longevity and continued success.

And this is a place where you can have a big career. No matter your role, there are opportunities for learning and development, and your daily contributions make a meaningful impact on the lives of people who use our products and on the future of water.

Watts is committed to equal employment opportunity. We follow a policy of administering all employment decisions and personnel actions without regard to race, color, religion, creed, sex, pregnancy, national origin, sexual orientation, age, physical or mental disability, genetic disposition or carrier status, marital status, military or veteran status, minorities, or any other category protected under applicable federal, state, or local law. Consistent with the obligations of state and federal law, Watts will make reasonable accommodations for qualified individuals with disabilities. Any employee who needs a reasonable accommodation should contact Human Resources.