[Job-30600] Sr. Software Engineer (Python | AWS Lambda | React) 3x/wk Hybrid in Cubao

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. Senior Software Engineer Technical Leadership & Engineering Lead the design, development, and implementation of scalable software features and complex system enhancements. Troubleshoot and resolve complex technical issues through root cause analysis and sustainable solutions. Participate in architecture discussions and contribute to technical design decisions. Establish and promote coding standards, best practices, automated testing, and code review culture. Build and maintain reliable monitoring, observability, and alerting for production systems. Optimize application performance, scalability, and system reliability. Identify and reduce technical debt while continuously improving system health. Evaluate new technologies and lead proof-of-concept initiatives when appropriate. Team Leadership & Mentorship Mentor junior and mid-level engineers through code reviews, technical coaching, and knowledge sharing. Support onboarding and knowledge transfer across projects and systems. Contribute to technical interviews and candidate evaluations. Help foster a collaborative engineering culture focused on continuous learning and improvement. Share expertise through technical discussions, documentation, and internal training sessions. Project Delivery Own complex development tasks from design through deployment. Deliver high-quality solutions within agreed timelines. Provide technical estimates and contribute to sprint planning. Coordinate with cross-functional teams to manage technical dependencies. Support release management, deployments, regression testing, and production validation. Balance new feature development with maintenance and technical debt reduction. Client & Stakeholder Collaboration Work closely with Product Managers, clients, and stakeholders to understand business requirements. Translate business needs into scalable technical solutions. Participate in technical discussions, solution reviews, and project planning. Communicate production issues, resolutions, and project updates clearly to stakeholders. Support solution demonstrations and technical consultations when needed. Continuous Learning & Adaptability Stay updated with modern software engineering practices and emerging technologies. Adapt quickly to new projects, technologies, and evolving business needs. Promote secure, maintainable, and high-quality software development. Communicate effectively and collaborate with global, cross-functional teams. Required Technical Qualifications Frontend React Next.js Backend Python (Required) Database PostgreSQL Caching Redis or Valkey Cloud & Infrastructure AWS API Gateway AWS Lambda EC2 ECS S3 Messaging & Integration Amazon SQS Email Service Amazon SES CI/CD & Deployment CircleCI Serverless Framework Preferred Qualifications Experience designing and building RESTful APIs and microservices Experience with distributed systems and cloud-native architectures Strong knowledge of software architecture and system design Experience working in Agile environments Strong problem-solving and communication skills Experience mentoring engineers and conducting code reviews Familiarity with monitoring, observability, and production support Experience optimizing application performance and scalability