Senior Fullstack Developer

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.

With over 7,400 CI&Ters around the world, we've built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.

We are actively seeking a highly skilled and versatile Fullstack Developer to join our dynamic and forward-thinking team. In this pivotal role, you will be responsible for designing, building, and maintaining robust solutions across both backend and frontend layers, ensuring a seamless and scalable Digital Experience Platform (DXP).

The core challenge and exciting opportunity within this position lie in constructing a resilient, user-centric, and scalable DXP that will become the backbone of a highly complex banking website. This platform is at the heart of our digital ecosystem, demanding seamless integrations with CRM, analytics, and marketing automation services, as well as engaging and high-performance interfaces that deliver exceptional user experiences.

As a Fullstack Developer, you will bridge business logic and user experience, crafting solutions that balance technical excellence with usability and performance. You will drive innovation in structuring our CMS-powered architecture, ensuring stability and agility to support evolving business needs.

Responsibilities:

• Development and customization of backend services and frontend components for the DXP platform, including:
• creation of APIs to serve dynamic content, integration with CRM and marketing automation tools, implementation of authentication/authorization flows (OAuth/JWT), orchestration of personalization engines, and optimization of caching and database queries for high traffic.
• development of reusable UI components integrated with CMS data, implementation of design system guidelines, building responsive and accessible templates, integration of A/B testing and analytics scripts, and optimization of page performance (Core Web Vitals).
• Ensuring smooth communication between backend services and frontend interfaces, leveraging headless CMS capabilities and modern frameworks (e.g., ) with API-driven content.
• Build reusable UI components and responsive templates integrated with CMS content.
• Collaborate with designers, marketers, and engineers to deliver end-to-end features.
• Contribute to platform architecture, ensuring scalability and maintainability.
• Support DevOps practices for smooth deployments and continuous delivery.

Requirements:

• Proven experience in frontend and backend development for CMS/DXP platforms (Optimizely, Contentful, Adobe AEM or similar).
• Strong skills in .NET (C#) or Java (backend) and JavaScript/TypeScript, (frontend).
• Experience with RESTful APIs, GraphQL, and cloud integrations.
• Familiarity with databases (SQL/NoSQL), caching, and cloud platforms (AWS, GCP, Azure).
• Experience with accessibility, SEO, and performance optimizations.
• Strong problem-solving and communication skills.
• Advanced/Fluent English level for interactions with multicultural teams and American clients.

Desirable:

• Experience with DevOps and CI/CD.
• Familiarity with headless CMS and JAMstack architectures.
• Cloud certifications (AWS, Azure, GCP).
• Experience with A/B testing and personalization frameworks.
• Experience with design systems (Storybook, Figma integration).
• Familiarity with personalization and experimentation tools (Optimizely, Adobe Target).

If interested, apply and good luck

#LI-JM2

Our benefits include:

• Health and dental insurance
• Meal and food allowance
• Childcare assistance
• Extended paternity leave
• Partnerships with gyms and wellness professionals via Wellhub (Gympass) TotalPass
• Profit Sharing and Results Participation (PLR)
• Life insurance
• Continuous learning platform (CI&T University)
• Discount club
• Free online platform for physical, mental, and overall well-being
• Pregnancy and responsible parenting courses
• Partnerships with online learning platforms
• Language learning platform
• And many more More details at:

At CI&T, inclusion starts at the first contact. If you are a person with a disability, please present your assessment during the selection process so we can provide the necessary support and accommodations. If you do not yet have the assessment, we can assist in obtaining it. We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups to support you throughout this journey.