Tech Lead / Backend Developer

CI&TBrazil

On-site Full-time

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Experience Level

Experience

Qualifications

We are looking for candidates with:Extensive experience in backend development using modern programming languages (e.g., Java, Python, Node.js). Strong knowledge of microservices architecture and cloud technologies. Proficiency in database management and design (SQL and NoSQL). Excellent problem-solving skills and the ability to work under pressure. Leadership experience and a passion for mentoring others.

About the job

As a key member of our technology team, you will guide the development process, mentor junior developers, and contribute to best practices in coding and deployment. Your leadership will be pivotal in shaping our projects and fostering a collaborative environment.

About CI&T

CI&T is a global company specialized in digital transformation and technology solutions. With a commitment to innovation and excellence, we empower organizations to thrive in the digital age by delivering tailored software solutions and strategic insights.

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Feb 4, 2022

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.NET/C# Backend Developer

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Full-time|Remote|Brazil

Encora is looking for a .NET/C# Backend Developer based in Brazil. This role focuses on building and maintaining backend systems that support ongoing projects. What you will do Develop backend solutions using .NET and C# Work closely with a team to design and implement scalable applications Contribute technical expertise throughout the development process Requirements Experience with .NET and C# development Ability to collaborate with others on technical projects Strong problem-solving skills This position offers the chance to work on projects that use modern technologies and support innovative solutions.

Apr 29, 2026

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Backend Developer (Python + Azure)

Zup Innovation

Full-time|Remote|Remoto

Why Join Zup?We are committed to fostering an environment that promotes exponential growth. More than just attractive words, this means providing you with every opportunity to take charge of your evolution, along with all the necessary support.At Zup, we believe that individual initiative must be paired with support to yield accelerated development. This means every Zupper has a personalized career development plan, close mentorship from the People team, and access to a proprietary platform that tracks and celebrates your progress.Why Do We Do This?We believe that only through an environment of exponential growth can we achieve our goals: leveraging technology to transform lives, empower talents that have been overlooked due to lack of access, and position underserved regions as hubs of high-quality technology.Also, we champion #Freedom! Zuppers can work from anywhere they choose, whether that's from home, in our offices, or in a hybrid model.Your Role HereDevelop, code, and implement systems;Create and develop APIs;Conduct debugging and testing;Participate in requirements gathering;Suggest enhancements to daily processes;Share knowledge and collaborate with other developers.

Feb 27, 2026

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Backend Developer II - Java

cpqd

Full-time|On-site|Campinas, São Paulo, Brasil

cpqd is a Brazilian technology organization specializing in information and communication technology for a range of sectors, including telecommunications, agribusiness, finance, utilities, manufacturing, urban development, retail, and defense and security services. The company focuses on developing local technology and delivering solutions tailored to the needs of these industries. The team values sustainable results and aims to support the growth of both individuals and society. cpqd’s culture is shaped by a set of core principles that influence daily work and collaboration. Role overview The Backend Developer II - Java will join the team in Campinas, São Paulo, Brasil. This role centers on building backend solutions using Java, contributing to projects that align with the company’s values and goals. Core values Collaboration Orientation towards the client Confidence Respect Innovation Adaptability Result The company encourages a work environment built on these principles, shaping both team interactions and the solutions delivered to clients.

Apr 23, 2026

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Backend Developer | Artificial Intelligence

BTG Pactual

Full-time|On-site|São Paulo, São Paulo, Brazil

As a Backend Developer specializing in Artificial Intelligence, you will:Develop robust and efficient cloud-based APIs and integrate them into the bank's internal systems and platforms.Conduct automated testing, create test plans, and ensure application validation.Ensure high availability of our products.Collaborate with cross-functional teams to design and implement innovative solutions.Maintain and improve existing backend systems while adhering to best practices.

Mar 18, 2026

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Senior Python Backend Developer

CI&T

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CI&T brings together human expertise and AI to deliver scalable technology solutions. With a global team of over 8,000 people and more than 1,000 client partnerships in the past three decades, the company places artificial intelligence at the center of its work. Location Note: Candidates living in the Metropolitan Region of Campinas must work onsite at the Campinas office, following current attendance policy. Role Overview This Senior Python Backend Developer position sits within CI&T’s Center of Excellence in Software Engineering (COE), focusing on integrating artificial intelligence throughout the Software Development Life Cycle (SDLC). The project aims to build accelerator agents for a banking client, streamlining both upstream and downstream processes by applying advanced AI orchestration technologies and modern development practices. What You Will Do Develop and maintain backend applications using Python as the main language. Create automation flows and intelligent agents with LangChain and LangGraph. Work with multidisciplinary teams to embed generative AI solutions into SDLC processes. Design and manage SQL and NoSQL databases, including MongoDB, with a focus on efficiency and security. Operate in hybrid cloud environments using Azure and AWS. Participate in code reviews and help define architectural best practices. Support the Developer Experience (DevEx) by building tools that improve engineering team productivity. Required Qualifications Senior-level experience as a backend developer on complex projects. Advanced Python skills. Hands-on experience with AI orchestration frameworks such as LangChain and LangGraph. Proficiency or working knowledge of other languages like Golang and .NET, especially for banking applications. Experience with MongoDB and SQL databases. Background in Azure and AWS cloud platforms. Thorough understanding of all phases of the software development life cycle. Preferred Qualifications Experience with AI-coding tools such as Cursor, Cline, Claude-code, and Antigravity. Understanding of RAG (Retrieval-Augmented Generation) architectures. Knowledge of caching and performance optimization using Redis. Familiarity with the GENIA tool. Basic experience with front-end development for component integration. Personal Competencies Strong technical communication skills.

Apr 17, 2026

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Senior Java Backend Developer

CI&T

Full-time|On-site|Brazil

Location: BrazilOnsite requirement: Candidates living in the Campinas Metropolitan Region must work in the Campinas office, following CI&T's attendance policy. About CI&T CI&T builds scalable technology solutions by combining human expertise with artificial intelligence. With a team of over 8,000 professionals worldwide, the company has partnered with more than 1,000 clients over 30 years of innovation. AI is integrated into daily work at CI&T. Role Overview CI&T is looking for a Senior Java Backend Developer to join the development team. The focus is on raising technical standards and driving ongoing innovation.

Apr 17, 2026

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Senior Java Backend Developer

CI&T

Full-time|On-site|Brazil

At CI&T, we are specialists in technological transformation, combining human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters globally, we have formed partnerships with more than 1,000 clients throughout our 30 years of history. Artificial Intelligence is our reality.Important: If you reside in the Campinas Metropolitan Area, your presence in our offices will be mandatory, in accordance with the current attendance policy.As a Senior Java Backend Developer, you will be tasked with elevating technical excellence for one of our key global clients, working on critical B2B systems with worldwide reach. You will serve as a technical reference, transforming the development culture within the team by promoting innovation and continuous growth.Key Responsibilities:- Develop highly complex systems in Java, applying advanced architectural patterns and best practices- Introduce technical innovations and new market standards that enhance project quality and efficiency- Lead the implementation of robust, scalable, and resilient microservices- Conduct technical code and architecture reviews, ensuring quality and consistency- Act as a technical mentor for the team, sharing knowledge and fostering new talent- Solve complex problems through deep root cause analysis in critical environments- Develop innovative solutions utilizing AI to optimize workflows and improve efficiency- Exceed client expectations while maintaining commitment to timelines and quality- Lead by example, fostering a culture of collaboration and continuous growthTechnical Requirements:- Proven experience in Java development- Advanced knowledge of Spring Framework and Spring Boot- Experience in microservices architecture and RESTful APIs- Deep understanding of Kubernetes and container orchestration- Experience with SQL and NoSQL databases (MongoDB, PostgreSQL)- Expertise in messaging systems (RabbitMQ)- Excellence in test automation (unit, integration, performance)- Knowledge of event-driven architectures and asynchronous processing- Familiarity with observability and monitoring tools- Experience leading technical teams and complex projects- Mastery of design patterns and SOLID principlesIntermediate to advanced English required.

Apr 28, 2026

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Senior Backend Developer - Node.js

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Mar 13, 2025

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Role overview Jobgether is seeking a Senior Backend Developer with strong Node.js skills for a remote position based in Brazil. This role centers on building secure, scalable, and real-time backend systems that support digital finance services used by customers around the world. What you will do Design and implement backend infrastructure with Node.js Develop and maintain mission-critical services, APIs, and financial products Improve system performance and ensure reliability Collaborate with engineers in various regions Explore new technologies and contribute to distributed systems Requirements Extensive experience in backend architecture and distributed systems Strong problem-solving skills for complex technical challenges Background in delivering backend products at scale Comfort working remotely and independently Work culture The team values autonomy, ownership, and innovation. Collaboration happens remotely, with encouragement for new ideas and a focus on delivering dependable solutions to a global customer base.

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Apr 13, 2026

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Backend Developer (C#) | IT Escrituração

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About the Department:The IT Escrituração department is dedicated to the development and maintenance of solutions that support asset bookkeeping processes. This includes managing shareholder positions, registering and updating investor databases, processing corporate events (dividends, consolidations, splits, subscriptions), reconciling with custodians, and generating regulatory information.The team ensures the integrity, security, and availability of the systems that underpin the custodial bookkeeping, ensuring compliance with market rules and regulatory bodies, as well as proper integration with other internal areas and participants in the financial ecosystem.Your Daily Responsibilities:Actively participate in the conception and structuring of new products in collaboration with the business area.Work in a collaborative and democratic environment, with the autonomy to propose ideas and directly impact product evolution.Develop systems with cutting-edge technologies, contributing to innovative solutions in the financial market.

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Senior Backend Developer (Java/Python) - Remote

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Apr 29, 2026

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