Senior Software Engineer (Java and AI)

Encora is seeking a Lead Senior Software Engineer (AI) with strong experience in Go or Python to join its team in Brazil. This role centers on designing and building advanced AI-driven systems that strengthen cybersecurity solutions. Role overview The Lead Senior Software Engineer (AI) will take a key role in product innovation for offensive security. Respon…

Telnyx seeks a Software Engineer with strong Go skills to join the team in São Paulo, Brazil. This position focuses on advancing edge computing solutions that support the company’s communications technology. Responsibilities Design and build edge computing products using Go. Improve the reliability and efficiency of these solutions in collaboration with fellow engineers. Enhance the performance and stability of Telnyx’s communications offerings. Requirements Professional experience developing with Go. Interest in edge computing and distributed systems. Strong collaboration and communication skills within technical teams.

About TelnyxTelnyx is not just envisioning the future of global connectivity; we're actively constructing it. By designing and enhancing the reach of a private, global, multi-cloud IP network, and delivering hyperlocal edge technology through user-friendly APIs, we are pioneering a new era of seamless interconnection among people, devices, and applications.Our mission is to revolutionize outdated processes, automate the mundane, and tackle real-world challenges with innovative connectivity solutions. As proof of our success, we proudly maintain a financially sound and profitable business, enabling us to invest in groundbreaking technologies and cultivate an environment of ongoing learning and growth for our team.We envision a world where borderless connectivity drives limitless innovation. By joining us, you can help establish the groundwork for this interconnected future. We are currently in search of passionate individuals eager to contribute to an industry-transforming company while advancing their own skills and careers.The RoleWe are seeking a Growth Engineer, Go-to-Market AI to design and implement systems that drive our go-to-market strategies using AI, automation, and data to create pipelines, enhance conversion, and scale execution.You will collaborate with Sales, Marketing, and Revenue Operations to analyze workflows, pinpoint inefficiencies, and reconstruct them into scalable, automated systems. Additionally, you will assist in developing advanced, multi-step AI systems that function across our go-to-market stack. The objective is to transform manual processes into repeatable, impactful executions.This role requires hands-on building capabilities. You will rapidly prototype, frequently deploy, and continuously refine systems based on performance metrics. You should feel comfortable transitioning from concept to implemented workflows with minimal oversight and integrating new technologies into real business scenarios.

We invite you to submit your CV in English, detailing your proficiency in the language.Mindrift serves as a vital link between specialists and project-oriented AI opportunities with top-tier technology firms, concentrating on the evaluation, testing, and enhancement of AI systems. Note: Participation is project-based and does not lead to permanent employment.Opportunity Overview:Each project presents distinct challenges, and contributors may be tasked with:Crafting original computational physics problems that authentically replicate real-world physics research workflows;Developing problems that necessitate Python programming for resolution (utilizing libraries such as Numpy, SciPy, and Sympy);Ensuring that the problems are computationally demanding, making manual solutions impractical within reasonable timeframes (days or weeks);Creating problems that require complex reasoning chains across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Formulating problems based on actual research challenges or applicable scenarios in physics;Validating solutions using Python and standard physics simulation libraries;Clearly documenting problem statements and providing verified correct answers.Desired Qualifications:This role is an excellent match for optical engineers proficient in Python who are open to part-time, non-permanent engagements. Ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related disciplines;Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any equivalent programming language is acceptable;A minimum of 2 years of professional experience, whether in applied, research, or teaching capacities;Experience with numerical simulation methodologies;Capability to design problems reflective of genuine physics research workflows;Inventive problem-solving skills across various physics domains;Familiarity with physics modeling and approximation techniques;Strong written English skills (C1 level or higher).Application Process:Apply → Pass qualifications → Join a project → Complete assigned tasks → Receive compensation.Project Commitment:During active phases, tasks are anticipated to require approximately 10–20 hours weekly, depending on project specifications. This is an estimate and not a guaranteed workload.Compensation:Contributors may earn up to $14 per hour based on their expertise and contribution level. Compensation varies by project according to scope, complexity, and required expertise. Other projects may offer different earning potential based on their demands.

Anyone AI is looking for Full-Stack Developers who have strong skills in Python and JavaScript or TypeScript. This position supports a major project in partnership with a well-known AI Lab. Role overview This role centers on building and maintaining software that supports artificial intelligence initiatives. The work involves both backend development with Python and frontend tasks using JavaScript or TypeScript. Key responsibilities Develop and maintain full-stack applications for AI-driven projects Collaborate with other engineers and AI specialists to deliver project goals Requirements Professional experience with Python Proficiency in JavaScript or TypeScript Located in Brazil

Encora is seeking a Senior Go Developer based in Brazil to contribute to its attack surface intelligence efforts. This position centers on developing and integrating reconnaissance technologies for the company's cybersecurity platform. Role overview This role involves building and improving tools that help identify and understand potential security risks. The Senior Go Developer will work closely with a collaborative team, focusing on solutions that support the platform's core mission. What you will do Develop and integrate reconnaissance features using Go Enhance the platform's ability to detect and analyze security threats Collaborate with team members to address technical challenges Requirements Experience with Go programming Background in cybersecurity or related technologies Ability to work effectively in a team environment

Join our dynamic team at netzschgroup as a Python Software Engineer in Florianópolis. We are seeking a talented individual who is passionate about software development and eager to contribute to innovative projects. You will be responsible for designing, developing, and maintaining robust applications using Python. If you thrive in a collaborative environment and enjoy solving complex problems, this is the perfect opportunity for you!

Role overview Toloka AI seeks a freelance AI Trainer who combines civil engineering experience with strong Python programming skills. This contract position is fully remote, with work based in Belo Horizonte, State of Minas Gerais, Brazil. What you will do Guide and support others in civil engineering topics and Python programming as part of AI-focused projects. Help develop and refine methods for AI training. Apply your expertise to influence how new AI tools are built for the civil engineering field. Location This is a remote role tied to Belo Horizonte, State of Minas Gerais, Brazil.

Please submit your CV in English and indicate your level of English proficiency.At Mindrift, we specialize in connecting talented professionals with dynamic, project-based AI opportunities for top tech companies. Our focus is on testing, evaluating, and enhancing AI systems. Please note that participation is project-based and not a permanent employment position.What You Will Do:As a contributor, you will engage in various projects that may include:Designing original computational engineering problems that replicate authentic engineering workflows;Creating problems that necessitate Python programming for engineering calculations and simulations;Ensuring that problems are computationally intensive and involve numerical methods or iterative solutions;Developing problems centered on system design, optimization, and analysis;Base problems on genuine research challenges or practical applications in engineering;Verifying solutions using Python with established engineering libraries;Clearly documenting problem statements and providing verified correct answers.Your Qualifications:This role is ideal for engineers with experience in Python who are open to part-time, non-permanent projects. The ideal candidate should possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation; knowledge of MATLAB, R, C, SQL, Numpy, Pandas, SciPy, domain-specific libraries, Stata, or any programming language can be considered equivalent;At least 2 years of professional experience, with applied, research, or teaching experience being applicable;A solid understanding of practical engineering constraints and approximations;Excellent written English skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience with international or applied projects are advantageous.How the Process Works:Apply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project Commitment:Tasks are expected to require approximately 10–20 hours per week during active project phases, depending on project demands. This is an estimate and not a guaranteed workload, applicable only while the project is ongoing.Compensation:Contributors can earn up to $14 per hour, depending on their level of expertise and contribution pace. Compensation varies across projects based on scope, complexity, and required skills. Please be aware that other projects may offer different earning potentials based on their specific needs.

Are you a skilled Data Scraping Engineer with a passion for Python? Join our dynamic team at Toloka AI, where you will play a crucial role in extracting and processing data from various online sources. This freelance position offers the flexibility of remote work while allowing you to contribute to innovative projects.

Join iFood, the largest and fastest-growing FoodTech company in Latin America, and help transform how people experience food delivery! As a Senior Backend Software Engineer, you'll play a crucial role in creating and maintaining microservices that underpin iFood's core operations. Your expertise will help us optimize backend performance, ensuring high availability, scalability, and fault tolerance. You will be instrumental in enhancing the lives of millions of users daily through innovative technology.Your Daily MenuDesign, code, test, and resolve production issues for cloud-based services (primarily on AWS).Engage in product evolution prioritization, leveraging data to enhance business value.Address and overcome challenges related to scalability, maintainability, and reliability.

Location: BrazilJob Mode: Full-timeWork Mode: Work from home Role overview Encora is looking for a Senior Go and Ruby Developer based in Brazil. This position focuses on designing, building, and maintaining software solutions for a cybersecurity platform. Collaboration across teams is central to the role, as is translating business needs into scalable technical solutions. Senior developers in this position guide technical projects, support junior team members, and help improve development practices. What you will do Develop and deploy cloud-native backend systems using Go and Ruby to support essential cybersecurity services. Lead the full software delivery process, including architecture, technical design, implementation, testing, deployment, and ongoing production support. Design and optimize distributed microservices on Google Cloud Platform, focusing on reliability, observability, and performance. Mentor engineers, participate in architecture discussions and code reviews, and promote best practices, automation, and effective software development lifecycle processes.

Join the Inter team!At Inter, we believe that the future is shaped every day through the technology you develop, the connections you foster, and the ideas you bring to life. We are a comprehensive Super App offering complete digital banking solutions, investment opportunities, credit options, insurance, a marketplace, and various everyday services. But we are much more than that; we are a dynamic team that is always evolving.With this pace of innovation, new opportunities arise. Now is your chance to explore this smart way to invest in your career. Come and be part of #sanguelaranja!About the Position and MissionIn this role, you will create intelligent solutions using Generative AI that transform how people interact with technology. Your primary focus will be on developing advanced prompt engineering systems and implementing GenAI models that deliver innovative and precise experiences. More than just implementation, we want you to participate in AI architecture decisions and help enhance our capacity to create truly intelligent products.Your Daily Responsibilities:Develop Python applications integrated with GenAI models (OpenAI, Anthropic, Gemini)Create and optimize prompts for various use cases and domainsWork with frameworks like LangChain, LlamaIndex, and LangGraph for orchestration and creation of LLM agentsIntegrate language model APIs into distributed systemsParticipate in AI architecture decisions and best practices

jobgether seeks a Senior Software Engineer specializing in AI Infrastructure to join the team in Brazil. The focus of this position is to design, build, and maintain the AI systems that drive both current projects and future company growth. Key Responsibilities Create and refine AI infrastructure to support various company initiatives Maintain and enhance existing AI systems, ensuring reliability and strong performance Collaborate with teams throughout jobgether to introduce and implement new technologies Help guide the overall direction of AI efforts within the company Location This role is based in Brazil.

We invite you to submit your CV in English, including your English proficiency level.Mindrift connects talented specialists with project-based AI opportunities at leading technology companies, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Overview of the OpportunityEach project will have distinct tasks, and contributors may be required to:Design innovative engineering problems that accurately represent real engineering processes;Develop Python-based solutions for engineering calculations and simulations;Create computationally intensive problems that necessitate numerical methods or iterative problem-solving;Work on system design, optimization, and analysis challenges;Base problems on actual research issues or real-world engineering applications;Utilize Python with standard engineering libraries to verify solutions;Clearly document problem statements and provide verified correct answers.Qualifications We SeekThis role is ideal for engineers with Python expertise who are interested in part-time, project-based work. The most qualified candidates will possess:A degree in Electrical Engineering or a related field;Proficiency in Python for numerical validation, with familiarity in MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries being advantageous;A minimum of 2 years of professional experience, which can include applied work, research, or teaching;A solid understanding of practical engineering constraints and methodologies;Strong written English communication skills (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are highly valued.How the Process Works1. Apply → 2. Pass qualification(s) → 3. Join a project → 4. Complete tasks → 5. Get compensatedProject Time ExpectationsFor this opportunity, tasks are estimated to require approximately 10–20 hours per week during active project phases, based on specific project needs. Please note that this is an estimate and not a guaranteed workload, applicable only while the project is active.CompensationContributors can earn up to $14 per hour, depending on their expertise and contribution level. Compensation may vary across projects based on scope, complexity, and required skills. Please note that different projects on the platform may offer varying compensation levels.

jobgether is looking for a Senior Software Engineer based in Brazil to help shape AI SaaS products. This position centers on building and improving software that uses artificial intelligence to solve real business problems. Role overview This role involves working closely with a team to design, develop, and refine AI-powered SaaS applications. The Senior Software Engineer will set high standards for code quality and system performance, ensuring that each release meets reliability and efficiency goals. What you will do Lead and contribute to the development of AI-driven SaaS solutions Collaborate with other engineers to deliver features and improvements Maintain a focus on software quality and performance throughout the development cycle Requirements Extensive experience in software engineering, ideally with AI or SaaS products Strong commitment to code quality and technical excellence Based in 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!

Join Experian as a Senior Software Development Analyst specializing in Golang and Python. In this pivotal role, you will leverage your extensive experience to design, implement, and maintain innovative software solutions that drive business success. Collaborate with cross-functional teams to ensure the delivery of high-quality products while adhering to best practices in software development.

Toloka-AI seeks a Computer Science Specialist with advanced Python expertise to join AI-focused initiatives. This fully remote role is based in Belo Horizonte, State of Minas Gerais, Brazil, and centers on building impactful systems in artificial intelligence. What you will do Work closely with a team to design and develop AI-driven solutions Create and maintain Python-based systems that address practical challenges Contribute to projects that push forward AI capabilities at Toloka-AI Requirements Solid foundation in computer science principles High level of proficiency in Python programming Genuine interest in advancing AI with real-world applications Ability to collaborate effectively in a remote setting