[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 (Python | React | AWS)

Job Purpose

As a Senior Software Engineer at CI&T , you will serve as a technical leader and mentor within cross-functional project teams, taking ownership of complex software solutions and technical decisions. You will design, develop, troubleshoot, and maintain scalable applications using Python, React, and AWS , while mentoring engineers and promoting engineering excellence.

You will contribute to technical strategy, lead critical software initiatives, support production environments, and collaborate with global teams and stakeholders to deliver reliable, scalable, and high-quality solutions.

Required Technical Stack

Core Tech Stack: Python | React/Next.js | AWS | PostgreSQL | Redis/Valkey | REST APIs | Microservices | CI/CD

Python – Strong hands-on experience in Python development is required

React/Next.js – Experience building modern web applications

REST APIs & Microservices – Experience designing and developing scalable APIs and microservices

PostgreSQL – Experience with relational databases, queries, and data management

Redis/Valkey – Experience with caching and data storage solutions

AWS – Experience with API Gateway, Lambda, EC2, ECS, S3, SQS, and SES

CI/CD – Experience with CircleCI and Serverless Framework

Cloud & Production – Familiarity with monitoring, observability, and production support

Key Accountabilities

Technical Leadership & Engineering Excellence

Lead the design, development, troubleshooting, testing, and deployment of complex software features and enhancements

Build and maintain scalable applications using Python, React/Next.js, and AWS

Develop and maintain RESTful APIs and microservices

Contribute to architecture and technical design decisions

Establish coding standards, best practices, code reviews, and testing strategies

Lead troubleshooting, root cause analysis, and resolution of complex technical issues

Drive application performance, scalability, reliability, and maintainability

Evaluate new technologies and contribute to technical risk assessments and proof-of-concept initiatives

Team Development & Mentorship

Mentor junior and middle-level engineers through technical guidance, code reviews, and knowledge sharing

Support onboarding, knowledge transfer, and continuous learning

Contribute to technical hiring, interviews, and assessments

Provide constructive feedback and support team development

Share expertise in Python, React/Next.js, AWS, APIs, microservices, and CI/CD

Project Execution & Delivery

Take ownership of complex technical tasks from design through deployment

Deliver reliable, high-quality solutions within project timelines

Provide technical estimates and planning input

Coordinate technical dependencies across teams

Contribute to Agile practices, release management, deployment, and production validation

Balance feature delivery with technical debt and system maintenance

Client & Stakeholder Engagement

Participate in client and technical discussions to understand requirements

Translate business requirements into scalable technical solutions

Contribute to technical documentation and solution design

Communicate technical issues, risks, recommendations, and resolutions clearly

Provide technical input on feasibility, timelines, and project requirements

Maintain strong client relationships through technical excellence

Business Adaptability & Professional Growth

Demonstrate Technical Leadership: Take ownership of complex challenges and make informed technical decisions

Drive Continuous Growth: Adapt to new projects, technologies, and evolving business needs

Execute Quality-Focused Development: Prioritize secure, scalable, maintainable, and well-tested solutions

Practice Effective Communication: Clearly communicate technical concepts and collaborate across teams

Promote Engineering Excellence: Continuously improve development practices, system reliability, and delivery quality

Core Technology Requirements

Python | React/Next.js | AWS | PostgreSQL | Redis/Valkey | REST APIs | Microservices | CircleCI | Serverless Framework

Strong hands-on experience in Python development, React/Next.js, AWS cloud services, API and microservices development, and CI/CD is expected.

Preferred Qualifications

Experience with distributed systems and cloud-native architecture

Experience with performance optimization and scalability

Mentoring and technical leadership experience

Experience with automated testing and CI/CD best practices

Strong troubleshooting and root cause analysis skills

Familiarity with monitoring, observability, and production support

Strong understanding of software architecture and system design

Key Competencies

Excellent English communication and documentation skills

Strong problem-solving, debugging, and root cause analysis abilities

Proactive approach to identifying system risks and performance improvements

Strong ownership and accountability

Ability to collaborate effectively with global and cross-functional teams

Strong mentoring and technical leadership skills