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Senior Full Stack Developer (React & Python)

Encora

Full-time|Remote|Brazil

Location: BrazilJob mode: Full-timeWork mode: Work from home Role overview Encora is seeking a Senior Full Stack Developer with strong experience in React and Python. This position joins an agile team focused on building digital products that support business objectives and client success. The role emphasizes both hands-on development and active participatio…

Apr 29, 2026

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Senior Design System Engineer

Applus+ IDIADA

Full-time|On-site|Belo Horizonte

We are seeking a skilled Senior Design System Engineer to oversee engine documentation management, coordinate release activities with engineering teams, and create and monitor necessary modifications. This role also involves supporting installation analyses and modifications of new components, among other responsibilities, ensuring a seamless integration of engineering processes.

Dec 4, 2025

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DRE Powertrain Engineer

Applus+ IDIADA

Full-time|On-site|Betim

Join our dynamic team as a DRE Powertrain Engineer, where you'll play a pivotal role in advancing powertrain technologies. We are looking for a passionate engineer to contribute to innovative projects that define the future of automotive engineering.

Jul 29, 2025

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Senior Automotive Product Development Analyst - ECU Calibration and Testing

Applus+ IDIADA

Full-time|On-site|São Bernardo do Campo

Join our team as a Senior Automotive Product Development Analyst, where you will provide specialized technical and administrative support in product engineering, focusing on the homologation and certification of mechanical, electrical, and electronic components for engines and transmissions. Your expertise will contribute to experimental validation on test benches and vehicle durability assessments.You will be responsible for maintaining, calibrating, and managing measurement equipment used in the experimental development of engines, transmissions, and their peripherals, ensuring accuracy in data collection across various parameters such as temperature, pressure, flow, electrical current, voltage, force, sound pressure, displacement, vibration, acceleration, and noise, leveraging advanced software tools.Additionally, you will assist in the instrumentation of vehicles and testing devices for digital and analog data acquisition and prepare detailed engineering reports, including translations in English and/or German. Your role will also involve managing our fleet of test vehicles efficiently.

Feb 2, 2026

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Freelance AI Trainer - Physics Expert with Python Skills

Mindrift

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.

Apr 30, 2026

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Freelance AI Trainer - Research Physicist with Python Skills

Mindrift

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.

May 1, 2026

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Senior Full-Stack Developer (Python + React)

Sigma Software Group

Full-time|On-site|Brasília

Join Sigma Software Group as a Senior Full-Stack Developer specializing in Python and React. In this role, you will be responsible for designing, developing, and maintaining high-quality web applications. You will collaborate with cross-functional teams to deliver innovative solutions that meet client needs.

Mar 30, 2026

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FEA NVH Engineering Analyst

Applus+ Idiada

Full-time|On-site|Belo Horizonte

Join Applus+ Idiada as an FEA NVH Engineering Analyst, where you'll play a crucial role in analyzing and improving the noise, vibration, and harshness characteristics of automotive components. This position involves using advanced simulation tools and methodologies to enhance product performance and ensure compliance with industry standards.

Apr 1, 2026

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Quality Assurance Engineer - Point of Sales Expertise

Popmenu

Full-time|Remote|Remote — Brazil

Join us at Popmenu, where we create software that delights thousands of restaurateurs and is used by millions of diners every day. Are you passionate about developing high-quality software in a team-oriented environment? Do you aspire to raise the standards of quality around you? If so, Popmenu might be the perfect fit for you!As a QA Engineer, you will play a pivotal role in ensuring our software solutions are robust, reliable, and user-friendly. We are looking for a detail-oriented professional who can advocate for quality throughout the software development lifecycle.Key Responsibilities:Develop and implement comprehensive QA Plans, ensuring all development work is independent and verifiable.Execute QA Plans, providing acceptance for development work prior to its release into production.Oversee non-production testing environments utilizing our Review App deployment system.Generate thorough bug reports that facilitate quick resolution by engineers.Conduct exploratory testing, utilizing our software in innovative ways.Enhance testing rigor to minimize defects reported by customers and internally.Champion the end-user perspective, providing constructive feedback to maintain high software quality standards.

Mar 4, 2026

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Staff Software Engineer - Java with Azure Expertise

Mindera

Full-time|Remote|Remote — Blumenau, State of Santa Catarina, Brazil

We are actively seeking a talented Staff Software Engineer with expertise in Java and Azure to enhance our dynamic team at Mindera!As a key member of our engineering department, you'll leverage your exceptional communication skills to collaborate effectively with your peers, contributing significantly to the design and implementation of innovative solutions in a collaborative environment. You will work alongside engineering teams to promote a strong business perspective and to understand how technical decisions impact our objectives, all while fostering a culture of creativity and innovation.At Mindera, we take pride in our fun, bureaucracy-free culture that values lean methodologies and self-organization.

Mar 19, 2026

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Freelance Quantum Research Scientist & AI Trainer (Python Expert)

Mindrift

Part-time|$14/hr - $14/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 is a dynamic platform connecting experts with project-based AI opportunities at leading tech firms, specializing in the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.About the Role:Each project presents unique challenges, where contributors may:Devise original computational physics challenges that emulate authentic physics research workflows;Formulate problems necessitating Python programming solutions (utilizing libraries such as Numpy, SciPy, and Sympy);Ensure problems are computationally demanding and cannot be manually resolved within a practical timeframe (days/weeks);Create problems involving complex reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base problems on genuine research issues or applicable scenarios from physics.Validate solutions using Python alongside standard physics simulation libraries;Clearly document problem statements and provide verified accurate answers.Qualifications We Seek:This opportunity is ideal for quantum researchers with Python experience who are open to flexible, part-time, non-permanent engagements. The ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related fields;Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any domain-specific libraries is equivalent;At least 2 years of professional experience, which can encompass applied, research, or teaching roles;Experience with numerical simulation techniques;The ability to design problems that reflect genuine physics research processes;Innovative thinking in problem creation across various physics domains;Familiarity with physics modeling and approximation methodologies;Excellent written English skills (C1+).How the Process Works:Apply → Meet qualifications → Join a project → Complete assigned tasks → Get compensated.Project Commitment:For this engagement, tasks are estimated to require approximately 10-20 hours per week during active phases, contingent on project needs. This is merely an estimate and does not guarantee a fixed workload outside of active project phases.Compensation:Contributors can earn up to $14 per hour, depending on their contribution level and pace. Please note that compensation varies by project based on scope, complexity, and required expertise. Other projects available on the platform may offer varying compensation rates based on their specific requirements.

Apr 30, 2026

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Full-Stack Engineer with React.JS Expertise | LATAM

Deel

Full-time|Remote|Brazil

Join Deel as a Full-Stack Engineer focusing on React.JS, where you will play a key role in developing innovative solutions that enhance our platform. Collaborate with a dynamic team to create seamless user experiences and scalable applications in a fast-paced environment.

Mar 24, 2026

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Data Engineer / Developer

holosmedia

Full-time|On-site|São Paulo

Join our innovative tech team at holosmedia as a Data Engineer / Developer. In this role, you will be pivotal in developing and managing our data pipelines, focusing on the implementation, management, and maintenance of various data processes. Your expertise will drive continuous improvements and introduce innovative frameworks and stacks to enhance process quality. A dynamic approach is essential as you will navigate through different business areas, particularly in Marketing and Communications, while showcasing your strong technical development skills.Gathering requirements, designing, and implementing projects utilizing Business Intelligence and Data Science technologies;Extracting, transforming, and storing data across various cloud-hosted layers, populated via batch or streaming data pipelines;Identifying infrastructure requirements for Business Intelligence and Data Science solutions;Defining components and orchestrating the integration and implementation of Business Intelligence and Data Science solutions;Developing services using APIs;Designing, developing, testing, monitoring, managing, and validating data warehouse activities, including data extraction, transformation, movement, loading, cleansing, and updating processes.

Oct 26, 2022

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Freelance AI Trainer - Statistics & Python Specialist

Mindrift

Contract|$16/hr - $16/hr|Remote|Remote — Belo Horizonte, State of Minas Gerais, Brazil

Please submit your CV in English, including your proficiency level.Mindrift connects talented specialists to project-based AI opportunities with leading technology firms, focusing on the critical tasks of testing, evaluating, and enhancing AI systems. Note that participation is project-based and does not constitute permanent employment.Key Responsibilities:Each project presents distinct tasks, where contributors may be required to:Create original computational statistics challenges that emulate actual mathematical research workflows.Develop problems that necessitate Python programming solutions (utilizing Numpy, SciPy, Sympy).Ensure problems are computationally demanding, making manual solutions impractical within reasonable timelines (days/weeks).Formulate problems that involve complex reasoning chains in fields such as number theory, combinatorics, graph theory, and numerical analysis.Ground problems in real research scenarios or practical applications drawn from mathematical practice.Validate solutions using Python with standard mathematical libraries.Clearly document problem statements and provide verified correct answers.Qualifications:This opportunity suits statistics experts with Python experience who are open to part-time, temporary projects. Ideal candidates will possess:A degree in Statistics or related disciplines.Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or similar programming languages may be considered equivalent.At least 2 years of relevant professional experience, which can include applied, research, or teaching roles.Strong written English skills (C1+).Professional certifications (e.g., CMME, SAS Certifications, CAP) and involvement in international or applied projects are advantageous.How It Works:Apply → Pass qualifications → Join a project → Complete assigned tasks → Receive payment.Project Time Expectations:During active phases, tasks are expected to require approximately 10–20 hours per week, based on project needs. This is a guideline and not a guaranteed workload.Compensation:Contributors can earn up to $16 per hour, depending on experience and contribution pace. Compensation may vary across different projects based on their scope, complexity, and required expertise.

Apr 30, 2026

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Senior Cloud Application Developer - GoLang/Python in Brazil

CI&T

Full-time|Remote|Brazil

CI&T is looking for a Senior Cloud Application Developer with strong skills in GoLang and Python. This role is based in Brazil and centers on building cloud applications that help clients reach their business goals. Role overview The team develops cloud-based solutions designed to support and improve client operations. Collaboration is key, with developers working together to deliver reliable and scalable products. What you will do Design and build cloud applications using GoLang and Python Collaborate with team members to create dependable, scalable systems Support projects that enhance operational efficiency for clients Location This position is open to professionals based in Brazil.

Apr 24, 2026

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Senior QA Engineer with Automation Expertise in Brazil

CI&T

Full-time|On-site|Campinas, SP

Join CI&T as a passionate and experienced Senior Software Development Engineer in Test (SDET). In this role, you'll be integral to our innovative projects within a dynamic, collaborative, and diverse environment, focusing on enhancing software quality, reliability, and performance.Position Overview:As an SDET, you will be pivotal in crafting and executing effective automated and manual testing strategies. Your role will involve bridging the gap between development and testing, working closely with cross-functional teams throughout the product lifecycle to ensure that quality is prioritized from the very beginning.Key Responsibilities:Design, develop, and maintain scalable test automation frameworks and scripts.Create and execute detailed test plans and scenarios across various applications and platforms.Conduct performance, load, and stress testing to verify system stability and scalability.Collaborate within agile teams to define and refine test strategies, standards, and QA best practices.Identify, document, and track defects, collaborating with developers for timely resolutions.Analyze test results and quality trends, proposing initiatives for continuous improvement to enhance project outcomes.Perform root cause analysis and assist the leadership team in quality analysis across the value stream.

May 4, 2026

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Calibration Engineer - Emissions and Start-Up

Bosch Group

Full-time|On-site|Campinas

Join our dynamic team at Bosch Group as a Calibration Engineer focusing on emissions and start-up processes. In this role, you will be responsible for ensuring compliance with environmental regulations while optimizing engine performance. You will work closely with cross-functional teams to develop and validate calibration strategies for various applications.

May 4, 2026

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FEA Safety Engineering Analyst

Applus+ IDIADA

Full-time|On-site|Belo Horizonte

Join Applus+ IDIADA as a FEA Safety Engineering Analyst, where you will play a crucial role in advancing automotive safety through Finite Element Analysis (FEA). This position is ideal for individuals passionate about engineering and innovation.

Mar 30, 2026

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Automotive Process Specialist (Process Simulate)

Segula Technologies

Full-time|On-site|Curitiba

Segula Technologies is hiring an Automotive Process Specialist (Process Simulate) to join the team in Curitiba. This entry-level position supports the optimization and simulation of automotive manufacturing processes. Role overview This role focuses on improving production efficiency and quality through process simulation. The position is well suited for recent graduates or those beginning a career in the automotive sector. What you will do Assist with simulating automotive production processes Support efforts to increase manufacturing efficiency Contribute to initiatives that enhance product quality Requirements Entry-level: open to recent graduates or those starting out in the automotive industry Interest in process simulation and manufacturing optimization Based in or able to work in Curitiba

Apr 29, 2026

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Back End Developer II - Python - Affirmative Vacancy for Persons with Disabilities

cpqd

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

We are a 100% Brazilian organization, fueled by a passion for creating Brazilian technology and dedicated to innovative solutions.We provide ICT solutions (Information and Communication Technology) applied across various sectors, including telecommunications, agribusiness, finance, utilities, industries, cities, retail, and defense and security services.We believe that through Our Way of Being and Doing, we will achieve sustainable results, contributing to the development of our people and society.Our values define our essence: who we are, what inspires us, and what makes us unique. They embody Our Way of Being.Institutional Values - CO-CREATE:CollaborationOrientation to the customerConfidenceRespectInnovationAgilityResultsBased on Our Way of Being, we define the competencies and behaviors that reflect, in practice, Our Way of Doing - Leadership and Influence, Integration and Cooperation, Active Listening, Ethics and Integrity, Emotional Intelligence, Curiosity and Learning, Digital Thinking, Systemic Thinking, Resilience and Flexibility, Planning and Time Management, Value Generation, Data-driven Decision Making.Do you identify with Our Way of Being and Doing? Join us to CO-CREATE as aBack End Developer II!

Dec 21, 2025

Senior Full-Stack Developer (Python + React)

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