Cards. Payments. Capital | 24 countries and growing 🦁 🌎 🚀
Principal Backend Engineer
Location
Brazil
Posted
44 days ago
Salary
0
Seniority
Lead
Job Description
Principal Backend Engineer
Jeeves
• Design, build, and maintain scalable, reliable backend services that process financial transactions and serve Jeeves customers across 20+ countries. • Write clean, testable, production-quality code in Go, Python, or Node.js/TypeScript; participate actively in design and code reviews. • Build and consume RESTful and GraphQL APIs; design inter-service communication using gRPC, message queues, and event-driven architectures. • Design and optimize relational and non-relational database schemas (PostgreSQL, MongoDB, Redis) for correctness, performance, and scale. • Own backend features end-to-end — from scoping and technical design through deployment, monitoring, and iteration. • Implement security best practices: authentication, authorization, input validation, and data protection across distributed services.
Job Requirements
- 5+ years of professional backend engineering experience building and operating production systems.
- Fluent in English — professional fluency required for daily work with global teams in written and spoken contexts.
- Fluent in Spanish or Portuguese — required for collaboration with LATAM teammates, customers, and operational partners.
- Strong proficiency in at least one backend language: Go, Python, or Node.js/TypeScript.
- Experience designing and building RESTful APIs, microservices, and event-driven backend systems.
- Solid understanding of relational databases (PostgreSQL preferred): schema design, query optimization, and data modeling.
- Experience with cloud infrastructure (AWS, GCP, or Azure), containerization (Docker, Kubernetes), and CI/CD pipelines.
- Demonstrated ability to integrate third-party APIs reliably in production — including error handling, retry logic, and observability.
- Experience working on globally distributed teams across time zones and regions.
- Comfortable using AI tools as part of everyday engineering work — integrating LLM API outputs into backend services and using AI coding assistants fluently.
Benefits
- Health insurance
- Remote work options
- Professional development
Related Guides
Related Job Pages
More Backend Engineer Jobs
• Contribute to the design, development, and delivery of features across the product • Write clean, maintainable code for back-end systems deployed in AWS or GCP • Collaborate with AI and cryptography specialists • Work with the product manager to understand requirements and help the team plan architecture, data flows, API specs, and testing strategies • Follow established engineering practices and participate in team discussions around process and quality • Participate in customer-driven development and iterate based on feedback • Write automated tests for load, performance, and error handling
Senior/Lead Full-Stack Software Engineer (Node, React)
ExadelFor more than 20 years, Exadel has been delivering Digital Transformation services, enterprise and custom software solutions for Fortune 500 clients, including HPE, Deloitte, Home Depot and McKesson. With 20+ locations and delivery centers across the US and Europe, Exadel solves the most complex engineering problems using Agile methodologies, offering a scalable and skilled mix of multi-shore resources at the industry's most competitive price. Exadel’s digital transformation solutions and services help chart new strategies that are built upon creative thinking, cutting-edge design, and technical innovation, designed for the growing digital landscape of business. Enterprise Services - Digital Transformation Experts - Developing mission-critical software and mobile applications - Advising companies on how best to leverage open source technology - Helping companies plan and implement migrations to better technology stacks - Providing QA, automation, and testing services for application development - Supporting and maintaining applications and systems for companies - Providing on-line training and mentoring to companies - Assisting companies in evaluating their current enterprise software architecture and planning for improvements or new systems.
We are looking for a Senior Software Engineer with a strong command of React, TypeScript, and Node.js/Nest.js to join our team of professionals. If you’re an autonomous, rigorous developer who enjoys teamwork and engineering best practices, don’t miss the opportunity and join us! Why Join Exadel We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks. From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next. What powers it all? Our people are ambitious, collaborative, and constantly evolving. About the Client Our client is one of the Big Four accounting firms and the world’s largest professional services network. Headquartered in London, they operate in 150+ countries with 460,000+ professionals delivering excellence in audit, tax, consulting, and advisory. Project Tech Stack TypeScript, React, Node.js, Express.js, Nest.js, MongoDB, Elasticsearch, RabbitMQ, OPA, Golang, Git, GitLab, Kubernetes, Docker What You’ll Do - Develop and maintain user interfaces using React and TypeScript - Work closely with UX/UI designers to deliver exceptional user experiences - Design and implement scalable backend services using Nest.js and Node.js - Develop and maintain RESTful APIs, work with MongoDB for data persistence and optimization - Implement message queuing patterns with RabbitMQ - Ensure application security and implement authorization policies with OPA - Deploy and maintain services in Kubernetes environments - Contribute to technical design decisions and architecture discussions - Follow internal best practices and ensure code quality standards, maintain clear documentation - Participate in agile ceremonies (sprint planning, retrospectives, stand-ups) - Work on the equipment provided by the client (MacBook Pro) What You Bring - 5+ years of professional software development experience - Strong expertise in backend development using Nest.js, and in frontend using TypeScript, React - Experience with RESTful APIs, Swagger, MongoDB, Git - A pragmatic and results-oriented mindset, balancing process discipline with flexibility to achieve goals - Strong communication and teamwork skills, with the ability to collaborate effectively across teams Nice to have - Background with Ant Design, Design Systems - Experience with Elasticsearch, RabbitMQ, Docker, and Kubernetes English level Upper-intermediate and higher Legal & Hiring Information - Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more - Reasonable accommodations are available to enable individuals with disabilities to perform essential functions - Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs Your Benefits at Exadel Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details. - International projects - In-office, hybrid, or remote flexibility - Medical healthcare - Recognition program - Ongoing learning & reimbursement - Well-being program - Team events & local benefits - Sports compensation - Referral bonuses - Top-tier equipment provision Exadel Culture We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.
Senior Backend Engineer
ZensarAt Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.
Senior Backend Engineer – 5+ years Role Overview Seeking a Senior Backend Engineer with strong expertise in Python, FastAPI, cloudnative development, and Azure services. The role involves building secure, scalable APIs, microservices, and AIintegrated backend systems. Key Responsibilities - Develop scalable APIs and microservices using Python & FastAPI. - Implement secure authentication/authorization (OAuth2, JWT, RBAC). - Work with SQL & NoSQL databases and ORM frameworks. - Build cloudnative workloads using Azure App Services, Functions, Service Bus, Event Grid, Blob Storage, Key Vault, API Management. - Containerize and deploy services using Docker, Kubernetes, and GitHub Actions CI/CD. - Implement monitoring, logging, and observability best practices. - Integrate backend systems with LLM APIs, build workflows using LangChain, and apply Agentic AI concepts. Required Skills - 7+ years of backend engineering experience. - Strong proficiency in Python, FastAPI, microservices, and eventdriven patterns. - Hands-on with cloud-native design, containers, and orchestration. - Experience with Azure services, databases, and secure API development. - Familiarity with LLMs, LangChain, and AI-based workflows. Preferred - Experience with enterprise-scale distributed systems. - Strong understanding of performance optimization and security best practices. - Exposure to Agile/Scrum environments.
ESaaS - SFDC - Lightning UI & JavaScript Development
ZensarAt Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.
Role Summary As a Salesforce Senior Developer, you will be the technical anchor for our B2B Commerce and CPQ (Revenue Cloud) implementations. You will be responsible for translating architectural designs into robust, scalable, and high-quality code. This role requires deep hands-on expertise in Apex, LWC, and integration, with a specific focus on solving complex challenges within the commerce and quoting domains. You will mentor junior developers and play a key role in our Agile delivery process. At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.


