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Senior Full Stack Software Engineer (.NET | Azure) at oowlish

oowlish

Full-time|On-site|São Paulo

oowlish is looking for a Senior Full Stack Software Engineer with strong skills in .NET and Azure. This position is based in São Paulo and focuses on building software solutions that address client needs. Role overview As a Senior Full Stack Software Engineer, you will work closely with cross-functional teams to develop and improve product offerings. The rol…

Apr 29, 2026

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Senior Software Engineer/Expert (.Net/AWS) | IT AM & Funds

BTG Pactual

Full-time|Hybrid|São Paulo, Rio de Janeiro

No seu dia a dia: Colaborar de forma próxima com as áreas de negócios e outras equipes de TI do BTG Pactual; Projetar, desenvolver e aprimorar sistemas web de alta disponibilidade utilizando microsserviços e arquitetura orientada a eventos, assegurando escalabilidade, observabilidade e segurança em ambientes produtivos. Atuar ativamente na definição técnica de soluções, liderando decisões arquitetônicas, promovendo boas práticas de engenharia e contribuindo para a melhoria contínua do ecossistema de desenvolvimento. Esperamos de você: Formação superior completa, preferencialmente em Sistemas de Informação, Análise de Sistemas, Ciência da Computação, Engenharia da Computação ou áreas correlatas; Domínio de Docker, Kubernetes e pipelines CI/CD; Experiência com APIs e API Gateway (Kong, AWS API Gateway, Apigee, etc.); Conhecimento em soluções Serverless (AWS Lambda, Azure Functions, etc.); Sólida experiência com bancos de dados relacionais (SQL Server, MySQL, PostgreSQL); Conhecimento em bancos de dados não relacionais (MongoDB, DynamoDB, etc.); Domínio de Design Patterns e princípios de arquitetura limpa (Clean Architecture, SOLID); Experiência com testes automatizados (unitários, integração, TDD); Vivência com observabilidade e APMs (Datadog, Dynatrace, AppDynamics, etc.); Experiência em monitoramento e métricas (Prometheus, Grafana, etc.); Conhecimento em metodologias ágeis (Scrum, Kanban); Capacidade de mentorar desenvolvedores plenos e juniores; Boa comunicação e postura colaborativa; Disponibilidade para atuar em modelo presencial ou híbrido no escritório na Faria Lima em São Paulo ou em Botafogo no Rio de Janeiro. Diferenciais: Inglês avançado; Conhecimento em Mercado Financeiro; Experiência com ElasticSearch, Apache Lucene e GraphQL; Experiência com aplicações SPA (Single Page Applications).

Mar 18, 2026

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Mid Level Fullstack Developer (.Net + Angular) at ciandt | Brazil

CI&T

Full-time|On-site|Brazil

CI&T é uma referência em transformação digital, combinando a expertise humana com inteligência artificial para desenvolver soluções tecnológicas escaláveis. Com uma equipe de mais de 8.000 profissionais em todo o mundo, estabelecemos parcerias com mais de 1.000 clientes ao longo de nossos 30 anos de atuação. A Inteligência Artificial é parte integral do nosso trabalho.Importante: A presença nos escritórios em Campinas é obrigatória para residentes da Região Metropolitana, conforme nossa política de frequência.Estamos em busca de um profissional qualificado para se juntar à nossa equipe, responsável pelo desenvolvimento e manutenção do principal canal de investimentos de um banco. Buscamos alguém com perfil analítico, proativo e com habilidades de comunicação eficazes.Nesta função, o foco será o desenvolvimento de aplicações utilizando .NET para o backend, sendo essencial ter conhecimento em Angular para o frontend.

Apr 30, 2026

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Senior Full-Stack Engineer (.NET) - GovTech / HR Software

Truelogic

Full-time|On-site|São Paulo

Join our dynamic team at Truelogic as a Senior Full-Stack Engineer specializing in .NET technologies. You will play a pivotal role in developing innovative solutions for GovTech and HR software, impacting how organizations manage their operations and workforce.

Apr 6, 2026

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Software Engineer (.NET) | IT Onboarding Offshore

BTG Pactual

Full-time|Hybrid|São Paulo ou Rio de Janeiro

About the Role You will have the opportunity to closely engage with business operations while contributing innovative ideas and solutions. Our team is responsible for the onboarding process and customer maintenance across Latin America and the USA, allowing you to gain valuable international experience. Your Daily Responsibilities Collaborate with team members to define and develop new solutions. Enhance and add new functionalities to existing systems. Maintain a close relationship with business areas and other IT teams within BTG Pactual. Interact with business stakeholders to understand challenges and design solutions. Ensure high availability and performance of platforms. Participate in the entire project lifecycle, from architecture design to production deployment. Support applications in production. Qualifications We Expect From You A completed higher education degree, preferably in engineering, computer science, or related fields. Experience in problem-solving. Proficiency in programming with .NET Core/.NET/C#. Familiarity with AWS Cloud (EC2, S3, CloudFormation, etc.), Docker, and Kubernetes. Experience with databases and messaging systems. Experience in unit testing. Adeptness in working with various tech stacks and tools. Knowledge of DevOps practices, Terraform, and CloudFormation. Understanding of programming principles: SOLID, object-oriented programming, and best practices. A willingness to learn new languages and technologies. Availability to work in a hybrid model, with up to 3 days on-site at our offices in Faria Lima (São Paulo) or Botafogo (Rio de Janeiro). Intermediate English proficiency (communication and writing).

Mar 18, 2026

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Mid to Senior .NET Software Engineer | BTG Empresas

BTG Pactual

Full-time|On-site|São Paulo

About the Department:At BTG, our technology teams are at the forefront of transforming banking services. We invest in cutting-edge solutions to drive innovation.We operate in agile teams, utilizing DevOps practices with continuous integration, deployment automation, and automated testing. Our development efforts are focused on a multicloud architecture, ensuring that you will have close collaboration with the business and the freedom to propose and implement new ideas and solutions. We encourage research and experimentation with new languages, development patterns, and methodologies.Your Daily Responsibilities:Develop robust solutions on the .NET platform using C#.Implement appropriate design patterns and ensure clean, maintainable code with comprehensive test coverage.Apply strong skills in API design, RESTful services, and Microservices.Leverage distributed caching concepts (e.g., Redis) to enhance overall performance.Exhibit proficiency in asynchronous programming paradigms.Demonstrate expertise in service communication via Messaging (SNS, SQS, Kafka, etc.).

Mar 18, 2026

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Mid-Level Backend Product Engineer | .NET, C#

Origin Financial

Full-time|Remote|Remote (Brazil)

About the RoleMissionThe Backend Product Engineer is not just a role; it's a commitment to our mission. You will proactively identify challenges faced by our members and ingeniously solve them. With your expertise, you will collaborate extensively with your team to advance our product vision. You thrive in uncertain environments, embodying the principles of radical candor, ultimately amplifying your impact through collaboration.A Typical DayEach day in this position offers a chance to influence the technical trajectory of our company, working alongside a team of talented professionals. Your work will facilitate immediate enhancements while also influencing our long-term technical strategy.Innovative Development: Your day will commence with a focus on augmenting our product capabilities. You will develop and enhance features that have a direct impact on our users, utilizing a blend of established and innovative technologies.

Mar 16, 2026

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Sales Executive Focused on High-Net-Worth Individuals

TechBiz Global

Full-time|Remote|Remote job

Join TechBiz Global, a recruitment partner for top-tier clients, in a pivotal role as a Sales Executive. We are seeking a talented professional with extensive expertise in financial services, wealth management, or fintech sales. The primary focus will be on cultivating a robust client base among high-net-worth individuals (HNWIs) and ultra-high-net-worth individuals (UHNWI) investors in São Paulo, Brazil. This role necessitates proficiency in business development, strategic client relationship management, and the implementation of sophisticated sales tactics to present our client’s cutting-edge algorithmic trading models as premier investment solutions.Key ResponsibilitiesCraft and implement a strategic sales plan to attract and manage HNWI clients, family offices, and boutique wealth managers across São Paulo and wider Brazil.Market the client’s AI-driven algorithmic trading offerings as unique solutions for portfolio diversification, alpha generation, and effective risk management.Establish and sustain long-term client relationships, ensuring exceptional satisfaction and retention rates.Deliver client presentations, portfolio showcases, and educational workshops to elucidate the benefits of algorithmic trading.Collaborate with marketing and product teams to tailor offerings and enhance client acquisition initiatives.Remain abreast of local financial regulations, market dynamics, and competitive trends to identify and seize opportunities.Oversee the complete sales process from lead generation to onboarding and post-sales support.Consistently achieve or surpass quarterly revenue and client acquisition objectives.

Aug 27, 2025

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Senior Java Developer

Sigma Software Group

Full-time|On-site|Brasília

Join our dynamic team as a Senior Java Developer at Sigma Software Group, where your expertise will play a pivotal role in developing innovative software solutions. We are looking for a passionate and skilled developer who thrives in a collaborative environment and is eager to tackle complex challenges.Your responsibilities will include designing, implementing, and maintaining high-quality Java applications, ensuring optimal performance and responsiveness. You will work closely with cross-functional teams to gather requirements and provide technical guidance.

Mar 11, 2026

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Mid-Level/Senior Software Engineer (.NET) | BTG Empresas

BTG Pactual

Full-time|On-site|São Paulo

About the Department:The Technology department at BTG Pactual Empresas is dedicated to building and enhancing features of BTG's corporate platform. This is your opportunity to work on exciting projects related to Credit Cards, Payment Methods, Current Accounts, Onboarding, Financing Products, Currency Exchange, and more. Join us to innovate and drive forward the financial technology landscape!

Mar 18, 2026

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Software Architect .Net at ciandt | Brazil

ciandt

Full-time|On-site|Brazil

Role overview ciandt seeks a Software Architect with strong expertise in .Net technologies. This role shapes software design and architecture across projects, partnering with teams throughout the company. The architect’s technical decisions influence the direction of technology solutions and contribute to successful project delivery. What you will do Design and review software architecture using .Net technologies Work with cross-functional teams to align technical direction Guide development teams to deliver quality software Encourage innovation and efficiency in technology solutions Location This position is based in Brazil.

Apr 24, 2026

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Software Engineer (.NET/Python)

BTG Pactual

Full-time|On-site|Rio de Janeiro, Rio de Janeiro, Brazil

Join our dynamic team at BTG Pactual as a Software Engineer specializing in .NET and Python technologies. We are looking for a passionate developer who thrives in a collaborative environment and is eager to contribute to innovative projects. You will be responsible for designing, developing, and maintaining robust software solutions that meet the needs of our clients.In this role, you will work closely with cross-functional teams to translate business requirements into technical specifications, ensuring high-quality code and optimal performance. If you are ready to take your career to the next level with a forward-thinking financial institution, we want to hear from you!

Apr 6, 2026

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Senior Fullstack Developer

Zup Innovation

Full-time|Remote|Remoto

At Zup Innovation, we strive to create cutting-edge technologies that challenge the best in the world and revolutionize the game for our clients. We are looking for professionals eager to join a culture driven by excellence and innovation. If you thrive in a collaborative, curiosity-driven environment, come and help us shape the future of technology.Your Role:Engage actively in the entire journey of conceptualizing and developing solutions, starting from the discovery process to identify the right problems to solve.Contribute to technical refinements to structure the design of solutions.Collaborate with interdependent squads to ensure alignment and integration of solutions.Develop Frontend layers (React) and backend (.NET Core) as required, including unit tests to ensure quality and security.Ensure proper configurations for DevOps processes, planning, and monitoring of deployments in production.Monitor the post-release environment to ensure stability and performance.Apply advanced AI techniques, utilizing tools like Python (Langchain, Langgraph), RAG, prompt engineering, and agent evaluation (EVALs).Work with AWS infrastructure (DocumentDB, Lambda, ECS, S3, Redis) and CI/CD tools (Github Actions, Terraform, Docker).Collaborate in the development and integration of intelligent agents, with knowledge in MCP and Go Language being a valuable differential.

Mar 16, 2026

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Software Engineer .NET | BTG Pactual

BTG Pactual

Full-time|On-site|São Paulo

The IT Trading division is a strategic and highly dynamic unit within BTG Pactual, focused on the development and maintenance of technological solutions that capture and process trading operations from multiple market sources, including brokers, stock exchanges, and digital channels. This variety of sources necessitates solutions that are robust, scalable, and capable of integrating large volumes of real-time data, ensuring the precision and agility required in the financial environment. In addition to the IT Trading team, there is also the Asset Governance team, which complements the ecosystem by collecting, consolidating, and validating information from various market sources, ensuring the quality and reliability of the data that feeds internal processes. These teams work closely with various business areas, including operations, finance, trading, compliance, and regulatory. This multidisciplinary integration aims not only to optimize internal processes but also to ensure compliance with financial market regulations while providing an efficient and secure experience for end-users. The primary challenge faced by the area is to ensure the scalability and robustness of the trading flow, meaning ensuring that the system supports the growth in transaction volumes without loss of performance or data integrity. This includes implementing resilient architectures, automated validation processes, and continuous monitoring to ensure all information flows correctly to the final stage of the product pipeline, where it is processed for analysis, settlement, and reporting. In summary, the IT Trading area is essential for the efficient and secure operation of financial activities, acting as a technological bridge connecting the market to internal operations, always seeking innovation, reliability, and operational excellence.

Mar 18, 2026

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Senior Node.js Developer

ciandt

Full-time|On-site|Campinas, SP

Join the team at ciandt, where we specialize in transforming technology by combining human expertise with cutting-edge AI to deliver scalable solutions.With a global workforce of over 8,000 professionals, we have established partnerships with more than 1,000 clients in our 30-year history. Embracing Artificial Intelligence is at the core of our operations.We are currently seeking a talented Node.js Developer to contribute to an exciting project for a prominent American investment client. This position requires you to work 100% onsite at our Campinas office, where you will collaborate closely with our development squad and the client’s team.In this role, you will be instrumental in developing websites tailored for clients in the financial sector, featuring a variety of functionalities related to mutual funds, ETFs, retirement plans, bonds, and other financial products.Key Responsibilities:Collaborate within a team to build, enhance, and maintain applications.Adhere to best practices in security and performance.Troubleshoot and resolve technical challenges effectively.Conduct thorough code reviews.Foster a collaborative spirit in hybrid and distributed teams, particularly in a client-facing environment.Qualifications:Proven experience with at least one Cloud Provider (AWS/Azure/GCP).Strong background in back-end development using Node.js.Experience with AWS infrastructure.Familiarity with design systems, caching mechanisms, and cryptographic protocols.Eagerness to engage with Java in project tasks.Comfort with learning new frameworks.Experience with CI/CD pipelines is a plus.Proficient English communication skills for effective collaboration.Note: Candidates must be available to work at our Campinas location.#midsenior#LI-AG4

Feb 21, 2026

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Senior Java Developer

netbr1

Full-time|On-site|Pinheiros

Join our innovative team at netbr1 as a Senior Java Developer. In this role, you will leverage your extensive experience in Java development to design, implement, and maintain high-quality software solutions. Collaborate with cross-functional teams to deliver projects that enhance our product offerings and meet client needs.

Nov 22, 2022

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Software Engineer .NET | BTG Empresas

BTG Pactual

Full-time|On-site|São Paulo

Join our dynamic team at BTG Empresas as a Software Engineer specializing in .NET technologies. You will play a pivotal role in designing and developing high-quality software solutions that meet our clients' needs. This position offers an exciting opportunity to collaborate with cross-functional teams and contribute to innovative projects.

Apr 30, 2026

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Senior Developer - Python - Contract

SGS

Full-time|On-site|São Paulo

Engage in the development of innovative solutions and applications tailored to the company's platform, emphasizing security, performance, scalability, usability, and quality.Validate the code produced by the team, identifying security vulnerabilities, performance bottlenecks, and areas for enhancement to ensure technical excellence.Take charge of creating, configuring, and optimizing database instances and servers on AWS, ensuring the optimal use of resources for cost-efficiency, security, and performance.Provide technical support to the development team through mentorship, code reviews, and technical validations of new functionalities.Propose and implement continuous improvements in systems, processes, and software infrastructure, aligning with best practices in secure development (DevSecOps).Contribute to the definition and evolution of cloud-native solution architecture, ensuring resilience, scalability, and compliance with security policies.Actively participate in incident resolution, proposing definitive corrections and preventing recurrence of failures.

Mar 6, 2026

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Senior Java and React Developer

CI&T

Full-time|On-site|Brazil

CI&T combines human expertise with artificial intelligence to deliver scalable technology solutions. With a global team of over 8,000 professionals and more than three decades of experience, CI&T has completed AI projects for clients across various industries. Location note: Candidates living in the Metropolitan Region of Campinas must comply with the current office attendance policy. Role overview This Senior Java and React Developer role supports a project in the insurance sector. The position involves full-stack development, focusing on building and enhancing business-critical applications. The aim is to deliver modern, scalable, and integrated solutions that emphasize quality, performance, and user experience. Collaboration is central to this role. Work closely with multidisciplinary teams, engage with clients, and contribute to ongoing improvements in processes and technical solutions. What you will do Develop and maintain applications using Java and React Implement microservices with a focus on scalability, performance, and security Integrate systems with cloud services to support efficiency and reliability Collaborate with teams to define and deliver new features Participate in code reviews and maintain software quality standards Troubleshoot and resolve issues related to performance and scalability Support legacy system architectures as needed Develop event-driven solutions using tools such as Kafka Document processes, technical solutions, and architectural decisions Identify and implement continuous improvements with team members and clients Requirements Strong experience developing with Java Front-end development experience with React Experience working with both relational and non-relational databases (such as SQL Server and MongoDB) Knowledge of RESTful APIs and system integration Familiarity with DevOps practices and CI/CD tools Understanding of agile methodologies, including Scrum and Kanban Ability to identify problems and proactively suggest improvements Preferred qualifications Experience using Generative AI to enhance productivity Background with cloud platforms such as AWS, Azure, or Google Cloud Experience with orchestration tools

Apr 20, 2026

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Senior Fullstack Developer

Econodata

Full-time|Remote|Trabalho remoto

Econodata is a leading startup in B2B Sales Intelligence in Brazil!Founded by alumni of UFRGS and backed by Grupo Telefônica, we are developing a platform that leverages AI and Big Data to convert data into actionable commercial intelligence.With a database of over 24 million companies and more than 4,000 clients served, including LinkedIn, PagBank, TOTVS, Vivo, Unimed, and BASF, we empower sales teams to identify the right leads for successful selling.Here, technology is at the core: you will work with large volumes of data, tackle real-world problems, and see the direct impact of your contributions.As we rapidly evolve our platform, we are seeking a Senior Developer to play a critical role in this journey.Challenges You'll Face:Develop and enhance features using Node.js, Vue.js, and Nuxt, ensuring clean code;Design and implement solutions prioritizing scalability, security, and high performance;Work with cloud environments (GCP), focusing on best practices;Foster a culture of innovation by technically supporting the team, sharing knowledge, and elevating collective technical proficiency;Actively participate in the construction and evolution of products;Maintain a focus on scalability, security, and performance.

Jul 24, 2025

Senior Fullstack Developer (Java / Angular) - Remote

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