Role Description As a Senior Backend Java Developer, you will anchor the technical foundation of critical e-commerce systems, designing scalable, secure, and efficient server-side applications and APIs. You will work on a well-architected platform powering nationwide logistics, real-time inventory synchronization, and complex order routing using modern Java frameworks and microservices architecture. This role is critical to driving business strategy through technical execution, bridging the gap between high-level business goals and scalable system design. Working directly with internal and external stakeholders, you will bring a consultant mindset to troubleshoot production issues, leverage AI-first workflows, and shape product solutions in a fast-paced environment. Key Responsibilities - Design and implement scalable, secure, and efficient backend systems, APIs (RESTful, SOAP, GraphQL), and relational database structures using Java and MySQL. - Optimize backend performance and queries to handle high traffic, large datasets, and real-time inventory synchronization efficiently. - Lead integration efforts with payment gateways, shipping providers, messaging platforms, and third-party APIs. - Collaborate directly with stakeholders, product managers, and the CTO to align technical functionality with overarching business strategies. - Own system stability by rapidly troubleshooting, debugging, and resolving production issues through adaptable task switching. - Mentor team members through constructive code reviews, ensuring high code quality, security best practices, and clean architecture. Qualifications - 4+ years of experience in backend software development with strong expertise in core Java and Object-Oriented Programming (OOP) principles. - Tech Stack: Spring Framework, ORM frameworks (e.g., Hibernate), relational databases (MySQL), Git, and API integrations (REST, SOAP, GraphQL). - Client-Facing Experience: Comfortable regularly communicating, brainstorming, and troubleshooting directly with non-technical and technical stakeholders. - Soft Skills: Ego-free, highly collaborative, adaptive to fast-paced environments, and possesses a strong ownership mindset with business acumen. - Language Proficiency: Mandatory Advanced English (written and verbal) for continuous communication with international stakeholders. Requirements - Experience or exposure to SAP Commerce / Hybris architecture and customizations. - Hands-on experience with AWS cloud platforms and microservices deployment. - Familiarity with high-volume data pipelines, event-driven sagas, or AI-first development workflows. - Exposure to frontend basics (HTML, CSS, JavaScript, jQuery). Benefits - 100% Remote work flexibility - Holidays off - Paid Time Off (PTO) - Health insurance assistance - Competitive USD compensation - Continuous growth and learning opportunities

• Set technical direction for the agentic Growth Engine — making architecture decisions on the systems that generate creatives, optimize bids and budgets, and manage audiences across Google, Meta, and other paid channels. • Write and review code hands-on, establishing engineering standards for quality, availability, and system health across the platform. • Partner directly with Marketing, Product, and Design to translate growth objectives into platform capabilities, and to define the human-in-the-loop controls that keep autonomous campaigns safe and on-brand. • Advance the AI-assisted → agentic → autonomous roadmap, identifying where to introduce automation next and de-risking it through experimentation and staged rollout. • Mentor engineers and act as a force multiplier — leveling up the team through design reviews, technical guidance, and a collaborative, inclusive culture. • Collaborate with ML/AI and data platform teams on the models and signals that feed campaign optimization, and integrate deeply with the Airbnb product to understand the customer journey.

• Desenvolvimento de aplicações Back End Magento2 com PHP orientado objeto; • Manutenção e Implementação de melhorias de sistemas para correção de falhas/erros; • Atuar como parte da equipe ágil; • Otimizar a aplicação para melhor velocidade e escalabilidade; • Criar código e bibliotecas reutilizáveis para uso futuro; • Colaborar com outros membros da equipe, Engenheiros, PO, QA, Designers, Scrum Master e Tech Leader para resolver os desafios existentes;

• Work on software development, writing code to build applications, programs and software systems • Perform testing on developed software, identifying and fixing issues, bugs and defects in the code • Document developed code • Support the development team by providing technical guidance and leadership to deliver high-quality solutions • Develop high-quality software solutions • Research and adopt new technologies to improve software performance and efficiency • Monitor production systems to identify problems and implement solutions