12.042 Empregos para Back-End - Brasil

Back End Developer — Architect the Future of Innovation
Are you a skilled Back End Developer ready for your next challenge? At Nearshore Business Solutions , we’re always working with innovative companies across industries — and that means we’re constantly on the lookout for top-tier back-end talent. We’re building a strong talent pool of experienced developers so we can match you with the right opportunity as soon as it opens. If you’re passionate about robust systems, clean architecture, and scalable solutions, we want to hear from you.

What You’ll Do (in future roles)

• Design, build, and maintain scalable and efficient server-side applications.
• Develop RESTful APIs and backend services that integrate with front-end applications and third-party systems.
• Work with both relational and NoSQL databases to ensure performance, reliability, and integrity.
• Collaborate with full-stack and front-end developers to deliver complete solutions.
• Write clean, testable, and well-documented code.
• Troubleshoot performance issues and resolve scalability challenges.
• Stay up to date on backend technologies, frameworks, and best practices.
• Participate in architectural decisions and technical planning.

What You’ll Bring

• 3+ years of experience in back-end development.
• Proficiency in at least one of the following: Java, .NET (C#), Python, Node.js, Ruby, PHP .
• Experience with relevant frameworks: Spring Boot, Django, Express.js, Rails, ASP.NET , etc.
• Solid database experience: PostgreSQL, MySQL, SQL Server, MongoDB , etc.
• Strong understanding of API design and development.
• Experience with Git or similar version control tools.
• Good understanding of development best practices, testing, and security principles.
• Strong communication and problem-solving skills.

Bonus Points

• Experience with Kafka, RabbitMQ , or similar messaging tools.
• Knowledge of Redis, Memcached , or other caching strategies.
• Familiarity with cloud services like AWS, GCP, or Azure.
• Experience with Docker, Kubernetes , or other container technologies.
• Understanding of secure coding practices and backend security measures.

Why Join Our Talent Pool?

• Be first in line for new remote or hybrid opportunities across Latin America and the U.S.
• Get matched with roles that align with your tech stack and career goals.
• Work with a recruitment team that understands backend tech inside and out.
• Gain access to projects that value performance, scalability, and architecture.

Apply Now — and let’s architect your next opportunity together.

As a Back-End Developer (Python/Django), you will be part of the software development team at Weni by VTEX , a business unit of VTEX. Your responsibility will be to develop applications, features, or fix bugs in applications maintained by the company, ensuring their proper functioning. You will define the architecture and functionalities of the applications, helping us make key technical decisions and assess their impact on the product in the medium and long term.

• Execute sprint tasks within the defined timeframe.
• Adopt agile development methodologies and use version control.
• Develop code following our quality standards.
• Continuously work to improve your coding skills.

• You have solid and hands-on experience with the Django framework.
• You have prior experience writing and maintaining unit tests.
• You have expertise in creating and maintaining REST APIs.
• You strive for best development practices and technical excellence.
• You value good documentation practices.
• Familiarity with AI Agents and Generative AI.
• A curious and proactive mindset.

VTEX (NYSE: VTEX) is the composable and complete commerce platform that delivers more efficiency and less maintenance to organizations seeking to make smarter IT investments and modernize their tech stack. Through our pragmatic composability approach, we empower brands, distributors, and retailers with unparalleled flexibility and comprehensive solutions, enabling them to invest solely in what provides a clear business advantage and boosts profitability. VTEX is trusted by 2,400 global B2C and B2B customers, including Carrefour, Colgate, Motorola, Sony, Stanley Black & Decker, and Whirlpool, having 3,400 active online stores across 43 countries (as of FY ended on December 31, 2024).

Founded in the year 2000, VTEX has a history of being unstoppable. Completely against the odds, VTEX is leading a high-tech industry and positioned above market giants. We are building an extraordinary future with more than 1,300 employees scattered across 25 locations in 16 countries in Latin America, North America, Europe, and Asia. For more information, visit

At VTEX, you will work in a challenge-driven environment and collaborate with amazing peers. If you are powerful individually, join us, and we will be unstoppable together.

Weni by VTEX is a business unit of VTEX dedicated to enterprise customer experience solutions powered by artificial intelligence, designed for brands and retailers.

With the Weni Platform, we redefine sales and post-sales journeys through hyperautomation and the smart integration of data into conversational channels, delivering faster, more personalized, and more efficient experiences for consumers.

• Health, dental, and life insurance with national coverage provided by VTEX;
• Flexible meal allowance;
• Extended parental leaves;
• Flexible work schedule and remote-first culture;
• Financial assistance to build your work-from-home setup;
• Wellness program;

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About Darwin AI

Darwin AI empowers mid-market companies by automating key business processes with AI-powered digital workers via WhatsApp. Our AI workers handle essential customer interactions, including inbound qualification, outbound reactivation, satisfaction surveys, appointment scheduling,

CoVet is an AI copilot application built to assist veterinary professionals by saving them time and allowing them to focus more on animal care—or even get home on time. We are a small, passionate, and agile team with a strong mission to improve the veterinary industry through innovative technology.

About the role

We are seeking a talented Back-end Developer to join CoVet and play a pivotal role in building and scaling our platform. You will design, develop, and maintain our backend systems on Google Cloud and Firebase, implement server-side logic in Node.js, manage and optimize Firestore databases, and create robust RESTful APIs. In this role, you’ll collaborate closely with the front-end and product teams to deliver new features, power our internal admin dashboard, and ensure our infrastructure is secure, efficient, and scalable.

What you'll do

• Design, develop, and maintain CoVet’s backend infrastructure on Google Cloud Platform (GCP) and Firebase.
• Implement robust server-side logic using Cloud Functions in Node.js.
• Manage and optimize Firestore databases, ensuring efficient, scalable, and secure data structures.
• Develop and maintain RESTful APIs and integrations with third-party services to enhance platform capabilities.
• Collaborate in building and maintaining the internal admin dashboard to empower CoVet’s internal team.
• Implement backend services that power dashboard features, ensuring reliability and performance.
• Work closely with the front-end development team to ensure backend capabilities align seamlessly with UI/UX requirements.
• Partner with the product team to define and refine technical requirements for new features, ensuring feasibility and scalability from day one.
• Coordinate deployment processes for new features, managing dependencies between front-end and back-end components.

Qualifications

• 3+ years of experience in back-end development, preferably with Node.js and serverless architectures.
• Proficiency in Google Cloud Platform (GCP) services, especially Firebase and Firestore.
• Strong understanding of RESTful API design, integration patterns, and authentication methods.
• Experience with database optimization, indexing strategies, and data modeling.
• Familiarity with agile development methodologies and version control (Git).
• Excellent communication skills and ability to collaborate across multidisciplinary teams.

Preferred Qualifications

• Experience with admin dashboard frameworks or custom dashboard development.
• Knowledge of CI/CD pipelines for deploying serverless applications.
• Understanding of security best practices in cloud-based environments.

Why Join Us?

• Work in a fast-paced startup environment where your work has a direct impact.
• Opportunity to shape the technical foundation of a growing product.
• Flexible working arrangements and growth opportunities.
• Remote-first culture with flexible working arrangements.
• Opportunity to shape the future of a fast-growing company and make a real impact in the veterinary industry.
  
  

We are an equal opportunity employer and are committed to building a diverse and inclusive team. Accommodations are available for candidates participating in all aspects of the selection process.

Lab's Engineering team is formed by the Data, Infrastructure, Security and Software Development areas. These areas are responsible for building innovative products and services for Laborit and our customers. We believe that engineers can contribute to accelerating business through technology and collaborate in a multidisciplinary way on our products.

Laborit, or simply Lab (as we call it here), is reinventing the world with products and technologies that help people and shape the future. We are a growing startup around the world (Brazil, USA, Portugal, Argentina) and we are building products and software with a keen eye for innovation in one place - breaking barriers and questioning traditional approaches. Working at Lab is contributing to its development, challenging standards and collaborating with some of the brightest minds of our time. We are centered on the human being and on technologies that, in addition to innovating, strengthen social inclusion, diversity and promote a more positive environment for all. We believe that taking care of each one is to awaken the collective genius. We'll empower you with the tools, resources and support you need so you can further develop your career and expertise. When we look inside, we see people's real needs and the potential they have to change the world. At Lab we believe that the future depends on connecting people and purposes, democratization of technology, inclusion and diversity, fast learning and practical work with mentoring. If you also believe in this dream, there's a place for you here at Lab. We are together to reinvent!

The teams are autonomous in the organization and daily decisions, work in a hybrid way, remote and in person (we have our own metaverse here) and are encouraged to learn and share knowledge. We hold Tech Talks every Friday and offer a variety of scholarships and incentive programs. The software we build today is the basis for dozens of services from Lab and our customers in the future, we have a strong sense of ownership in everything we do, we know the importance of continuing to learn to lead the future, we always act responsibly and we are proud of building software with tests, patterns and other good practices of the Art of programming.

As a Back-End Engineer, you will work on new products and experiences for our customers and help maintain current operations. You will have the opportunity to learn and expand your development knowledge and will be encouraged to think with our users, product vision, metrics and data in mind to help Lab scale and execute the roadmap in the markets we are operating in. We look forward to speaking with you!

Complete work kit; (Computer, monitor welcome kit.); Scholarships for courses and mentoring; Paternity and maternity leave; PLR and Annual Bonus; Paid vacation in the PJ modality.

Relaxed and well-organized work environment; We take our work seriously and the time to smile too; Flexible schedule; Hybrid operation - you can work remotely or in person at our offices in and outside Brazil.

You are applying for the Back End Developer.

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Company Overview

Dadosfera is transforming the data landscape with a platform that delivers advanced Data, AI, and Analytics capabilities—previously available only to tech giants like Meta, Amazon, Alphabet, and Microsoft—into the hands of small and medium-sized businesses. By democratizing access to these technologies, we empower our clients to accelerate business opportunities through AI-powered Data Apps.

Our platform minimizes the time spent on cloud management and streamlines the entire data lifecycle—from collection and exploration to processing and interaction—allowing clients to focus on their business goals. Built on a high-growth SaaS model, Dadosfera offers tailored solutions that meet real business needs.

What sets Dadosfera apart is our innovative focus on speed, scalability, and flexibility, combining big data storage with advanced analytics to drive strategic decision-making. Leveraging years of experience with data platform implementations on foreign public clouds, we now deliver a cost-effective, locally adapted solution tailored for both Brazilian and global markets. By blending deep expertise with localized infrastructure, Dadosfera provides a powerful, efficient tool that optimizes corporate data management and drives data-driven transformation.

About the Job

At Dadosfera, we’re building a robust and scalable data platform that empowers organizations to make data-driven decisions with confidence. As a Senior Back-end Engineer , you will play a key role in automating critical product and infrastructure processes—specifically around deployment, billing, usage tracking, and continuous improvements .

Responsibilities

• Design and implement back-end solutions to support automated deployment workflows, infrastructure improvements, and scalability
• Develop and maintain automated billing and usage tracking systems in a multi-tenant SaaS environment
• Collaborate with engineers, product managers, and data teams to continuously evolve the architecture of our platform
• Ensure high code quality through clean code practices, peer reviews, and testing (TDD/CI/CD)
• Build and manage infrastructure as code using tools like Terraform and Kubernetes
• Improve observability, reliability, and security across services
• Contribute to the definition and documentation of technical standards and best practices

Minimum Qualifications

• 5+ years of experience in software development in production environments
• Solid experience with Kubernetes (cluster management, Helm charts, troubleshooting)
• Hands-on with Terraform (module writing, state management, workspaces)
• Cloud experience with at least one provider (AWS, GCP, or Azure) – including IAM and networking
• Strong understanding of API design (REST or GraphQL), authentication (OAuth, JWT), and versioning
• Proficient in unit and integration testing, with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, etc.)
• Strong knowledge of Clean Code, SOLID principles, DDD, code reviews, and pair programming
• Comfortable with Docker (image optimization, registry management)
• Proficient in Git and common branching strategies (GitFlow, trunk-based)
• Ability to read technical documentation and write specs in English
• Experience with SaaS product development (billing, subscriptions, multi-tenancy)

Preferred Qualifications

• Previous role as a startup founder or CTO
• Familiarity with observability tools (Prometheus, Grafana, ELK/EFK)
• Experience in event-driven architectures (Kafka, RabbitMQ, pub/sub)
• Knowledge of resilient microservice patterns (circuit breaker, retries)
• Understanding of application security principles (OWASP, network policies, vulnerability scanning)
• Contributions to open source projects
• Exposure to data infrastructure tools such as Airflow or Spark, and/or experience with Data & AI platforms

At Dadosfera, we celebrate diversity in all its forms and are committed to fostering an inclusive environment every day. We have zero tolerance for any form of discrimination. Do you share our values? Then don’t wait—apply today!

We are a Portuguese technology consulting company with a strong outward look to the rest of Europe. We have 12 years of experience in the market and reached the status of “large company” in 2018. We now have more than 350 associates and we keep growing, with offices in Lisbon, Porto, and Leiria, as well as projects in more than 20 countries.

Our company is part of the national top 10, with a growth of 250% in the last years. Work-life balance is part of our DNA. We focus on win-win-win relationships, defining every moment of interaction as an experience with unique conditions. Working with Affinity is a “Lifetime Experience” where you will have the opportunity to demonstrate all your potential and to be successful on every level.

#welcometoyourfuture

Responsibilities

• Develop, maintain, and optimize core services in collaboration with a multidisciplinary team.
• Design and implement new features while ensuring scalability, performance, and stability of the platform.
• Contribute to integrations with partner systems and online stores, ensuring seamless data flow.
• Monitor, debug, and resolve technical issues to maintain high availability and reliability.
• Provide technical insights and suggest improvements that enhance user experience and business efficiency.
• Engage with both technical and business perspectives, aligning development work with real business impact.

Skills & Experience

• Strong expertise in Node.js (preferably with NestJS ) and proficiency in TypeScript .
• Solid knowledge of relational and non-relational databases (MySQL, PostgreSQL, MongoDB).
• Proficiency with Git for version control and collaborative development.
• Familiarity with Redis, RabbitMQ, Elasticsearch, Solr, Docker, Kubernetes, Linux or PHP are considered a plus.
• Strong problem-solving mindset with the ability to balance technical detail and business context.
• Effective communication, teamwork, and organizational skills, with a proactive and hands-on attitude.