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Experience Level
Mid to Senior
Qualifications
Responsibilities:- Collaborate with CI&T to serve a financial market client;- Actively participate in all phases of the software development lifecycle, including technical refinement, development, testing, and deployment;- Engage in code reviews to ensure quality and compliance with best practices;- Work collaboratively with team members and clients, fostering a productive and harmonious environment. Requirements for this challenge:- Development experience with Java 11, 17, and 21, and Spring Boot 3;- Front-end development with Angular 8, 17, and 20;- Proficiency in JavaScript/TypeScript 4;- Knowledge of Design patterns / OOP / SOLID / KISS / DRY / YAGNI;- Experience with Automated Testing;- Familiarity with GIT;- Knowledge of databases;- Understanding of RESTful APIs;- Familiarity with Docker/Kubernetes;- Knowledge of Lombok;- Understanding of WebFlux;- Familiarity with DDD;- Knowledge of Kafka;- Understanding of hexagonal architecture; Differentials:- Experience with GitHub;- Knowledge of GitHub Actions;- Familiarity with Jira and Confluence;- Knowledge of Nexus, Sonarqube, Fortify, Dynatrace;- Experience with Azure;- Development experience with Node.js.
About the job
This Mid-Level Fullstack Developer position focuses on Java and Angular development for a project in the financial sector. The role is open to professionals based anywhere in Brazil. CI&T values a mix of in-person and remote collaboration, depending on location.
Work location
Candidates living in the Metropolitan Region of Campinas must attend the Campinas office regularly, following the current company policy. Those outside this region may work remotely from elsewhere in Brazil.
What you will do
Develop and maintain fullstack applications using Java and Angular
Collaborate with a multidisciplinary team to deliver solutions for the financial sector
Requirements
Professional experience with Java and Angular
Based in Brazil
Ability to work onsite in Campinas if residing in the Metropolitan Region
About CI&T
CI&T is a leader in technological transformation, leveraging AI to develop innovative solutions that meet the needs of our clients across various industries. Our team is committed to excellence and collaboration, ensuring that we deliver top-notch services to our partners.
CI&T is hiring a Senior AI Engineer to join its remote team in Brazil. This role centers on building and delivering AI and machine learning solutions for global clients. With over 8,000 professionals and more than 1,000 partnerships worldwide, CI&T places artificial intelligence at the core of its technology offerings. Role overview This position involves de…
Join Us at Enter AIOur mission is to position Brazil as a global leader in artificial intelligence.At Enter, we develop innovative systems that integrate human expertise with artificial intelligence to efficiently execute critical, high-volume tasks traditionally reliant on manual processes. Our platform empowers major enterprises across Latin America to automate complex workflows, starting with legal operations and expanding throughout the enterprise. By leveraging AI, we generate customized legal defenses at scale, assisting companies in reducing costs and enhancing their success rates in litigation.Our team comprises top talents from prestigious institutions in Brazil and worldwide, including Harvard, UPenn, Stanford, ITA, USP, and Unicamp. Notable partners such as Meta, Itaú, Mercado Livre, Latam, Airbnb, Santander, iFood, and Nubank collaborate with Enter to manage critical processes more efficiently. With over R$300 million raised and a valuation of R$2 billion, we are supported by leading investment funds like Sequoia and Founders Fund who share our vision for the future.The OpportunityWe are looking for a Security Engineer to join our technology team. You will be responsible for designing and implementing security solutions to safeguard our applications, data, and infrastructure. Your role will be crucial in ensuring that Enter maintains the highest standards of protection and privacy in a fast-paced, innovative environment.
CI&T combines technology expertise with human insight to create scalable solutions. The company has over 8,000 professionals worldwide and has partnered with more than 1,000 clients over the past thirty years. Artificial intelligence is part of CI&T's daily work. Location Requirement Candidates living in the Metropolitan Region of Campinas must work in-office, following CI&T's current policy. This position is open to professionals based anywhere in Brazil, but the in-office requirement applies specifically to those in that region. Role Overview This Mid Level Fullstack Developer (Java + Angular) role focuses on a project in the financial sector. The work aims to deliver solutions that have a meaningful impact. Main Responsibilities Collaborate with the development team to deliver high-quality solutions for clients. Apply a broad understanding of business needs to solve problems effectively. Contribute to team growth by sharing knowledge through training sessions and dojos.
About ciandt ciandt focuses on technological transformation, combining human expertise with AI to deliver scalable technology solutions. With more than 8,000 team members worldwide and over 1,000 client partnerships built across three decades, the company has established a strong presence in the tech industry. AI is at the core of their work. Location Details This position is open to candidates based in Brazil. For those living in the Metropolitan Region of Campinas, on-site attendance at the Campinas office is required under the current policy. The role is primarily remote. However, in-person presence in São Paulo is preferred for onboarding during the first month. Role Overview The Senior Fullstack Developer will join a support team working on products that are essential to ciandt's end clients. This is a generalist role, requiring comfort across both backend and frontend technologies. Key Technologies Java 1.8 and above Webservice APIs (SOAP/REST) Angular JS/TS JSF, EJB, JPA Spring Batch, Spring Boot MQ, JMS, Kafka Oracle and MongoDB databases WebSphere, Containers Dynatrace, AppDynamics Jenkins Jira Contact This search is managed by Bia, Talent Attraction Analyst at ciandt.
bv seeks a Senior Software Engineer in São Paulo with deep experience in Java and Artificial Intelligence. This role centers on building software that uses AI to enhance products and services. Main responsibilities Design and develop software solutions that apply AI technologies to real business challenges Collaborate with teams from different disciplines to create scalable, high-performance applications Build responsive systems that address both business requirements and user needs Teamwork and collaboration Frequent interaction with cross-functional groups is a key part of this position. The focus is on delivering solutions that help bv reach its objectives.
Contract|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Toloka AI seeks a Freelance AI Trainer with expertise in both biology and Python. This remote role focuses on designing and delivering training sessions that help learners apply artificial intelligence to biological research and related applications. Role overview The Biology and Python Specialist will create educational content and lead sessions for a range of participants. The goal is to make complex AI concepts accessible and relevant within the context of biology. What you will do Develop and present training materials that connect AI techniques with real-world biological problems Engage learners through clear explanations and practical examples using Python Adapt content to suit different backgrounds and experience levels Requirements Strong background in biology Proficiency in Python programming Interest in education and technology This freelance position is open to candidates based in Belo Horizonte, State of Minas Gerais, Brazil, and offers full remote flexibility.
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Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
Please submit your CV in English and specify your English proficiency level. This freelance contract with Toloka AI (via Mindrift) is open to material scientists with strong Python skills. The focus is on supporting AI development for technology companies. The role is remote and based in Belo Horizonte, State of Minas Gerais, Brazil. This is not a permanent position, but a flexible, project-based opportunity. Key responsibilities Develop original material engineering problems that mirror real engineering workflows Design challenges involving Python programming for calculations and simulations Ensure problems require computational effort, using numerical methods or iterative techniques Create scenarios focused on system design, optimization, and analysis Draw from real-world research or practical engineering applications Validate solutions using Python and standard engineering libraries Write clear problem statements and provide accurate, verified solutions Requirements Degree in Material Science or a related discipline Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar tools is also acceptable At least 2 years of experience in applied work, research, or teaching Understanding of practical engineering constraints and approximations Excellent written English skills at C1 level or higher Project details Estimated workload is 10–20 hours per week during active project phases. Actual hours may change based on project needs and are not guaranteed. Compensation Earnings can reach up to $14 per hour. Pay depends on contribution, pace, and project requirements. Compensation may vary with project complexity and scope. Application process Apply in English, including your CV and English proficiency level Complete required qualifications Join a project when invited Finish assigned tasks Receive compensation for completed work This is a freelance, project-based position. Permanent employment is not available.
CI&T combines human expertise and artificial intelligence to deliver technology solutions at scale. With over 8,000 professionals and a 30-year track record, the company partners with clients worldwide to make AI practical and valuable. Candidates based in the Metropolitan Region of Campinas must comply with the current office attendance policy and work from the Campinas office as required. Role overview This mid-level fullstack developer role centers on building and maintaining scalable systems using Java/Springboot and React/Next.js. The position involves integrating applications with cloud platforms and working closely with a technical team to deliver reliable solutions. Main responsibilities Develop and maintain applications with Java/Springboot and React/Next.js Participate in technical decisions and suggest improvements for scalability Integrate systems within secure and resilient cloud environments Design and implement BFF/microservices architectures for Kubernetes (EKS) deployments Help build CI/CD pipelines for secure, traceable releases Ensure observability using logs, metrics, and alerts Communicate technical solutions clearly and collaborate with team members Technologies and tools Cloud: AWS (primary), Azure (occasional) Platform: EKS, API Management, ECS, Lambdas, Storage, Queues Data: PostgreSQL, Oracle, Couchbase Integrations & Security: APIs, SSO (ForgeRock) DevOps: CI/CD, Infrastructure as Code Observability: Dynatrace Languages/Frameworks: Java/Springboot, React/Next.js Requirements Professional experience as a Java/Springboot developer Hands-on development with React/Next.js Working knowledge of AWS Cloud (Lambdas, SQS, EKS) Understanding of both relational and non-relational databases Technical maturity, collaborative approach, and focus on quality Clear communication skills Commitment to continuous improvement and operational reliability Preferred qualifications Experience with caching tools such as Redis Background in corporate or governed environments Work with API-oriented architectures and microservices Exposure to solutions using Artificial Intelligence Experience communicating with technical leadership at client organizations Desired knowledge Advanced understanding of data security practices
This Mid-Level Fullstack Developer position focuses on Java and Angular development for a project in the financial sector. The role is open to professionals based anywhere in Brazil. CI&T values a mix of in-person and remote collaboration, depending on location. Work location Candidates living in the Metropolitan Region of Campinas must attend the Campinas office regularly, following the current company policy. Those outside this region may work remotely from elsewhere in Brazil. What you will do Develop and maintain fullstack applications using Java and Angular Collaborate with a multidisciplinary team to deliver solutions for the financial sector Requirements Professional experience with Java and Angular Based in Brazil Ability to work onsite in Campinas if residing in the Metropolitan Region
Part-time|$17/hr - $17/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English and specify your English proficiency level.Mindrift serves as a bridge connecting experts with project-based AI opportunities from prestigious technology companies, concentrating on the testing, evaluation, and enhancement of AI systems. Please note that this is a project-based role, not a permanent position.Opportunity OverviewWhile each project has its distinct tasks, contributors may:Craft complex Computer Science problems that reflect industry practices;Assess AI solutions for accuracy, underlying assumptions, and limitations;Verify calculations or simulations utilizing Python (including libraries such as NumPy, Pandas, SciPy);Enhance AI reasoning to meet industry standards;Implement structured scoring criteria for multi-step challenges;Collaborate with a global network of PhDs to uphold scientific rigor.Ideal Candidate ProfileThis role is suitable for Computer Science professionals with Python experience looking for part-time, non-permanent engagements. The ideal candidates will possess:A degree in Computer Science or related disciplines.Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, NumPy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language is acceptable.A minimum of 2 years of professional experience—applicable experience can include applied work, research, or teaching.Exceptional written English skills (C1+).Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.Project WorkflowSteps to engage:ApplyPass qualificationsJoin a projectComplete tasksReceive paymentTime CommitmentFor this project, tasks are anticipated to require approximately 10–20 hours per week during active phases, depending on project needs. This estimate is not a guaranteed workload and applies only while the project is active.CompensationContributors can earn up to $17 per hour, contingent on their expertise and contribution pace. Compensation may vary across projects based on their scope, complexity, and necessary skills. Please be aware that other projects on the platform may offer different compensation levels based on varying requirements.
About Pareto.AI Pareto.AI brings together talented people from around the world to help shape advanced AI models. The team works closely with leading AI and crowd research experts from organizations such as Anthropic, Character.AI, Imbue, Stanford, and the University of Pennsylvania. The goal: build a platform where AI developers and domain specialists can work together fairly and ethically. Role Overview: Solutions Engineer Based in Brazil, the Solutions Engineer partners with sales, operations, customer success, and engineering teams. This position plays a key part in matching Pareto.AI’s technology to the unique needs of enterprise clients. The work involves creative problem-solving and designing solutions for real-world business challenges. What You’ll Do Collaborate across teams to understand client requirements and technical constraints Help design and implement solutions that address client challenges Support the delivery of tailored AI models for enterprise customers About the Team Pareto.AI is committed to building a fair platform for AI professionals and domain experts. The company’s partnerships with top researchers reflect a focus on ethical and impactful AI development. Learn more about Pareto.AI at Pareto.AI.
The Forward Deployed Engineer (AI) - Advertising role centers on bringing AI-driven solutions to life for major clients in the digital marketing sector. This position combines hands-on software engineering with direct client engagement, adapting advanced AI technologies to address specific business challenges in advertising. What you will do Implement and tailor AI solutions to meet the needs of large-scale clients in advertising. Work closely with client teams to ensure technical deployments address real-world business problems. Blend software engineering, solution architecture, and field operations to deliver measurable results. Collaboration This role partners with a global digital marketing network recognized for combining creative strategies with advanced technology. Expect to work alongside teams that value scalable, innovative approaches to digital advertising. Location This position is based in Brazil.
Join us at CI&T, leaders in technological transformation, where we blend human expertise with AI to craft scalable tech solutions. With a global team of over 8,000 CI&Ters and partnerships with more than 1,000 clients over our 30-year history, we make Artificial Intelligence our reality.Note: Candidates residing in the Metropolitan Region of Campinas are required to work on-site in our office, in accordance with our current attendance policy.Key Responsibilities:- Foster strong relationships with clients and team members;- Ensure clear communication with the team and clients regarding daily activities;- Engage actively in all phases of the software development lifecycle, including technical refinement, development, testing, and deployment;- Monitor adherence to best development practices;- Proactively identify opportunities and challenges, acting swiftly to develop preventive solutions;- Assist in guiding the team and contributing to project decision-making;- Proficiency in Java development with Spring Boot, including experience in microservices architecture and effective business domain segregation practices;- Participate in code reviews to ensure quality and compliance with best practices;- Collaborate effectively with both team members and clients to create a productive and harmonious work environment;- Experience in implementing engineering best practices such as DevOps, CI/CD, and SCM for APIs. Qualifications:- Proficient in Java, Spring Boot, Angular, and Node.js;- Solid experience with Angular;- Familiar with quality culture (unit, functional, integration, and automated testing);- Experience with DevOps culture;- Skilled in code review practices;- Mastery of development best practices and principles (Clean Code and hexagonal architecture);- Experience with agile methodologies including SCRUM and KANBAN, including dailies, sprints, and reviews.
Join our dynamic team at Capco, a global consultancy specializing in technology and business solutions for the financial services and energy sectors. With 33 offices across the Americas, Europe, and Asia-Pacific, we are passionate about driving innovation and helping our clients thrive. If creativity and innovation excite you, Capco is the perfect place for you to accelerate your career!We are seeking a highly skilled and tech-savvy Fullstack Developer to join our development team.KEY RESPONSIBILITIES:Engage directly in development using React and Java, embracing modern software engineering practices and delivery, utilizing Java Backend, Microservices principles, JAX-RS, Websphere, XML, DB2 (or strong SQL experience), React, jQuery, JavaScript, HTML DOM, HTML5, CSS3, and optionally: Node.js, Mockito, Postman.Conduct API testing to ensure stable and high-quality code.Collaborate with Senior Developers to deliver quality code that meets client needs.Exhibit a strong passion for learning and a willingness to adopt new technologies.Contribute to a culture of innovation, ideas, and continuous improvement, showcasing a positive attitude, solid communication skills, and a desire to learn and collaborate.Ensure clear documentation of created or modified functionalities.
Join Capco, a leading global consulting firm specializing in technology and business solutions within the financial services and energy sectors. We are passionate about helping our clients thrive, with 33 offices across the Americas, Europe, and Asia-Pacific! If creativity and innovation drive you, Capco is the perfect place for you to accelerate your career.We are currently seeking a highly skilled and technology-driven Fullstack Developer to join our dynamic development team.
Join ciandt as a Mid-Level Fullstack Developer specializing in Angular and Java. In this role, you will collaborate with a dynamic team to design and develop innovative software solutions that meet the needs of our clients.
Part-time|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, clearly indicating your level of English proficiency.Mindrift specializes in connecting talented professionals with project-based AI opportunities for top technology companies, focusing on the testing, evaluation, and enhancement of AI systems. This position is project-based and not a permanent role.Key ResponsibilitiesAs a contributor, your tasks may include:Designing innovative computational physics problems that replicate authentic physics research workflows;Creating Python-based problems to solve using libraries such as Numpy, SciPy, and Sympy;Ensuring that problems are computationally intensive, requiring significant time to solve (days/weeks) rather than manual solutions;Developing scenarios that involve complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Using real research challenges or practical applications from the field of physics as a basis for problems;Validating solutions through Python with standard physics simulation libraries;Documenting problem statements clearly and providing verified correct answers.QualificationsThis role is ideal for physicists with Python experience who are looking for part-time, non-permanent project work. The ideal candidate will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, and Stata is also acceptable;A minimum of 2 years of professional experience, which may include applied, research, or teaching experience;Experience in numerical simulation methods;The ability to create problems that reflect real physics research workflows;Creative problem-solving skills across various areas of physics;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1+ level).How the Process WorksApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time ExpectationsDuring active phases, tasks are estimated to require approximately 10–20 hours per week based on project demands. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $14 per hour, depending on their level of expertise and contribution pace. Please note that compensation can vary by project based on scope, complexity, and required expertise. Other projects on the platform may offer different earning levels based on their specific requirements.
Contract|$14/hr - $14/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil
We invite you to submit your CV in English, specifying your level of English proficiency.Mindrift bridges the gap between specialists and exciting project-based AI roles with leading tech companies, dedicated to the testing, evaluation, and enhancement of AI systems. Please note that involvement is project-specific and does not lead to permanent employment.Your role will encompass:Crafting unique computational physics challenges that emulate authentic physics research workflows;Developing problems that require Python programming for resolution (utilizing Numpy, SciPy, Sympy);Ensuring that the problems are computationally intensive, requiring several days or weeks to solve manually;Formulating problems that demand complex reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Drawing from actual research challenges or practical applications within physics;Validating solutions through Python using standard physics simulation libraries;Providing clear documentation for problem statements and verified answers.We're looking for candidates who possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related field;Proficiency in Python for numerical validation. Familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language is acceptable;A minimum of 2 years of professional experience in applied research or teaching;Expertise in numerical simulation methods;The ability to design challenges that reflect real physics research processes;Innovative problem design skills across various physics fields;An understanding of physics modeling and approximation techniques;Exceptional written English skills (C1+ level).How the application process operates:Apply → Pass qualification(s) → Join a project → Complete tasks → Get compensatedProject time expectations:During active project phases, tasks are estimated to require approximately 10–20 hours per week, depending on project needs. Please note this is an estimate and not a guaranteed workload.Compensation:Contributors can earn up to $14 per hour, based on their level of expertise and contribution speed. Compensation may vary among projects depending on their complexity, requirements, and scope.
gramian seeks an AI Evaluation Engineer - Mathematics & Algorithms to work remotely from Brazil. This role centers on assessing and strengthening the performance of AI systems, emphasizing mathematical precision and careful algorithmic evaluation. Key responsibilities Create and improve evaluation metrics tailored to AI models Design and implement methods for testing and measuring AI effectiveness Work closely with team members to analyze results and recommend improvements What we look for Solid background in mathematics and algorithm design Strong attention to detail and a methodical approach to problem-solving Interest in advancing artificial intelligence through careful evaluation Ability to collaborate effectively with a diverse team Location This is a remote position based in Brazil.
