Júlio César
@juliocastro
Full-Stack Developer and RPA specialist delivering automation and web apps across JavaScript/TypeScript stacks.
What I'm looking for
I’m a Full-Stack Developer with 3+ years of hands-on experience at Balluff, a global industrial automation company headquartered in Germany. I work across the JavaScript/TypeScript stack, turning requirements into reliable products from front end to back end.
I build responsive interfaces with React, Next.js, and TailwindCSS, and I deliver back-end services using Node.js, Express, Fastify, and REST APIs. On the data side, I work with PostgreSQL, MySQL, and SQLite using Prisma and Knex, and I support quality with Jest and Vitest, plus validation with Zod and Yup.
I also specialize in RPA and automation, designing and deploying Automation Anywhere solutions for high-criticality processes through a member role in the RPA Center of Excellence. From end-to-end IT project cycles and QA to budget tracking and reporting, I enjoy agile delivery and continuous improvement—backed by RocketSeat Full-Stack certification and Cambridge English B1, and ongoing study in SAP ERP, DDD, SOLID, and CI/CD.
Experience
Work history, roles, and key accomplishments
RPA Developer
Balluff EMEA
Jan 2025 - Present (1 year 5 months)
Designed and deployed automation solutions with Automation Anywhere for high-criticality processes across European operations. Collaborated with cross-functional teams aligned to global corporate standards.
IT Systems Analyst Jr
Balluff Americas
Jan 2024 - Present (2 years 5 months)
Developed and maintained internal web applications using JavaScript, HTML5, and CSS3 to improve team productivity and usability. Automated business-critical workflows with Automation Anywhere and VB.NET and managed end-to-end IT project cycles from requirements to QA and delivery.
IT Intern
Balluff Americas
Dec 2022 - Jan 2024 (1 year 1 month)
Built internal automation tools in JavaScript and VB to support administrative and operational processes. Gained hands-on experience across the full project lifecycle in a global manufacturing environment.
Education
Degrees, certifications, and relevant coursework
Universidade Paulista (UNIP)
Bachelor's in Information Systems (ADS), Information Systems
2021 -
Earned a Bachelor's in Information Systems (ADS) from Universidade Paulista (UNIP) starting in 2021. Program completed.
VaiNaWeb
Technical Degree in Web Development, Web Development
Completed a Technical Degree in Web Development at VaiNaWeb in 2022.
Associação Homem do Amanhã
Technical Degree in Business Administration, Business Administration
Completed a Technical Degree in Business Administration at Associação Homem do Amanhã.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Portfolio
github.com/Julio-Cesar-CastroSalary expectations
Social media
Job categories
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