AI Research Engineer (Pre-training - LLM & Multi-Modal) - 100% Remote Worldwide

Who You'll Work With
Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture - doing hard things, picking yourself up when you stumble, and having the resilience to try another way forward.

In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities you need to become a stronger leader faster than you ever thought possible. Your colleagues—at all levels—will invest deeply in your development, just as much as they invest in delivering exceptional results for clients. Every day, you'll receive apprenticeship, coaching, and exposure that will accelerate your growth in ways you won’t find anywhere else.

When you join us, you will have:

• Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey.
• A voice that matters: From day one, we value your ideas and contributions. You’ll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
• Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm’s diversity fuels creativity and helps us come up with the best solutions for our clients. Plus, you’ll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
• World-class benefits: On top of a competitive salary (based on your location, experience, and skills), we provide a comprehensive benefits package to enable holistic well-being for you and your family.

Your Impact
You will build the foundational data infrastructure that powers cutting-edge AI applications leveraging LLMs, retrieval systems, workflows, and emerging agentic architectures.

You will design and maintain scalable data pipelines, manage secure data environments, and prepare data for AI-driven systems while collaborating with cross-functional teams and clients. You’ll tackle real-world challenges by contributing to the development of next-generation AI systems and grow as a technologist by working alongside diverse experts across industries.

In this role, you will design and build the scalable, reproducible data components essential for machine learning, agentic, and autonomous AI systems. You’ll assess data landscapes, apply data quality fundamentals, and prepare data for AI solutions. Additionally, you’ll learn to translate simple hypotheses into engineered features, manage secure data environments, and contribute to R&D initiatives focused on innovating and scaling next-generation AI capabilities.

Your work will help solve some of the most complex and high-impact challenges facing clients across industries. Collaborating across QuantumBlack Studio and QuantumBlack Labs teams, you’ll help develop innovative AI capabilities and scalable enterprise solutions. You’ll help build robust data foundations for scalable, production-ready AI systems. Your contributions will directly support the firm’s ability to accelerate AI adoption, solve complex business problems at scale, and enable clients to achieve meaningful, lasting impact.

You’ll be based in São Paulo as part of our global Data Engineering community. Working in cross-functional Agile teams, you’ll collaborate closely with Data Scientists, Machine Learning Engineers, and industry experts to deliver AI solutions. By partnering with clients from data owners to C-level executives you’ll help solve complex problems that drive tangible business value and begin to build your skills as a client-facing technologist.

You will have a unique opportunity to grow at the forefront of AI, data engineering, and emerging agentic technologies. You’ll develop expertise at the intersection of technology and business by tackling diverse challenges in the evolving AI landscape. Working alongside multidisciplinary teams, you’ll gain a holistic understanding of how data engineering enables advanced AI while collaborating with some leading AI and data experts in the industry.

Your Qualifications and Skills

• Degree in Computer Science/Engineering, or equivalent experience
• 2+ years’ experience in a data-focused role (internships, academic projects)
• Ability to write clean, well-documented code in a modern programming language, with a strong preference for Python and SQL
• Interest in or exposure to data engineering in the context of Agentic AI, Generative AI, Machine Learning, or Business Intelligence across different types of data formats (structured vs unstructured) and processing methods (streaming vs batch)
• Familiarity with commonly used data platforms (Databricks, Snowflake, BigQuery, PSQL, etc.), cloud platforms (AWS, Azure, GCP) and engineering tools (Pandas, Spark, dbt, LangChain, etc.)
• Exposure to modern software development practices, including version control (Git) and foundational concepts in DevOps and MLOps/LLMOps and CI/CD principles
• Exceptional time management in a complex and largely autonomous work environment
• Willingness to learn quickly and adapt to different project situations and tech stacks
• Experience using coding agents (Cursor, Claude Code, Codex, etc.) is a plus
• Strong communication skills, both verbal and written, in English and Portuguese

Who You'll Work With
Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture - doing hard things, picking yourself up when you stumble, and having the resilience to try another way forward.

In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities you need to become a stronger leader faster than you ever thought possible. Your colleagues—at all levels—will invest deeply in your development, just as much as they invest in delivering exceptional results for clients. Every day, you'll receive apprenticeship, coaching, and exposure that will accelerate your growth in ways you won’t find anywhere else.

When you join us, you will have:

• Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey.
• A voice that matters: From day one, we value your ideas and contributions. You’ll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
• Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm’s diversity fuels creativity and helps us come up with the best solutions for our clients. Plus, you’ll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
• World-class benefits: On top of a competitive salary (based on your location, experience, and skills), we provide a comprehensive benefits package to enable holistic well-being for you and your family.

Your Impact
You will lead technical teams, architect data platforms, and build scalable pipelines while mentoring colleagues and collaborating with clients at all levels. You’ll tackle impactful challenges, contribute to R&D, and grow as a leader by working with diverse experts on cutting-edge AI projects across industries.

You will lead multiple technical teams and own the technology stack for enterprise data and AI platforms. You’ll design and build robust, scalable, and reproducible data pipelines for machine learning while ensuring information security standards are upheld. Additionally, you’ll mentor junior colleagues, contribute to R&D projects, and drive innovation within the QuantumBlack Studio Data Engineering community.

Your work will address real-world challenges across industries. Partnering with QuantumBlack, AI by McKinsey and QuantumBlack Labs teams, you’ll help create innovative machine learning systems that accelerate AI adoption and solve business problems at speed and scale, enabling clients to achieve meaningful and lasting impact.

You will be based in São Paulo as part of our global Data Engineering community. You’ll work in cross-functional Agile teams alongside Data Scientists, Machine Learning Engineers, and industry experts to deliver advanced analytics solutions. Collaborating with clients from data owners to C-level executives, you’ll help architect impactful solutions that solve complex business problems and drive value.

You will be in an exceptional environment to grow as a technologist and leader. You’ll develop expertise at the intersection of technology and business by tackling diverse challenges. Surrounded by inspiring, multidisciplinary teams, you’ll gain a holistic understanding of AI while collaborating with some of the best design, technical, and business talent in the world.

Your Qualifications and Skills

• Degree in Computer Science, Engineering, Mathematics, or equivalent experience
• 8+ years relevant professional experience
• Ability to scope projects, define workstreams, and translate roadmaps into sprint goals, milestones, and deliverables within agile and iterative team environments
• Proven experience architecting and building enterprise data and AI platforms as well as scalable data pipelines for advanced analytics use cases operating in production
• Passion for and track record of effectively leading and mentoring more junior colleagues
• Expertise in implementing software engineering best practices to drive enterprise-wide improvement, including DevOps, DataOps, and MLOps
• Strong software engineering and data engineering expertise, including distributed computing frameworks (e.g., Spark, Dask), cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), analytics libraries (e.g., pandas, NumPy, matplotlib), and modern data platforms and orchestration tools such as Databricks, Airflow, SQL, PySpark, Kedro, and RAPIDS
• Ability to write clean, maintainable, scalable, and robust code in object-oriented languages such as Python, Scala, or Java, and experience supporting the development of junior engineers through collaborative code reviews
• Extensive commercial client-facing or senior stakeholder management experience
• Exceptional time management to meet your responsibilities in a complex and largely autonomous work environment.
• Willingness to travel
• Strong communication skills, both verbal and written, in English and Portuguese, with the ability to adjust your style to suit different perspectives and seniority levels

Sobre nós

A XP Inc. é uma das maiores instituições financeiras independente do Brasil, dona das marcas XP, Rico, Clear, XP Educação, InfoMoney, entre outras. Com mais de 4,6 milhões de clientes ativos e um valor superior a R$ 1,1 trilhão de ativos sob custódia, há 25 anos vem transformando o mercado financeiro para melhorar a vida das pessoas.

Com uma cultura marcante guiada por quatro valores -
Sonho Grande, Espírito Empreendedor, Foco no Cliente e Mente Aberta
- a XP Inc. está sempre em busca dos melhores talentos que tem ambição de fazer o impossível.

🚀 Sobre a Oportunidade

Estamos buscando um(a) profissional Pleno para integrar nosso time de Engenharia de Dados. Esta posição é fundamental para garantir a escalabilidade e a confiabilidade das soluções de dados.

Saiba mais sobre nosso dia a dia no Instagram e no LinkedIn.

Confira nossas avaliações no Glassdoor.

🔍 O Que Procuramos

Pré-requisitos Essenciais

• Domínio de SQL, modelagem e arquitetura de dados;
• Forte experiência com Databricks (tuning, cluster strategy, Delta);
• Experiência com Python para ETL/ELT distribuído;
• Vivência com ADF e/ou Airflow;
• Conhecimento sólido de governança e compliance para dados bancários.

Diferenciais

• Experiência com dados de produtos bancários e atacado;
• Atuação com feature stores, pipelines para IA e arquiteturas modernas;
• Otimização profunda de performance e custos no Databricks.

🎯 Desafios e Impacto

• Liderar modelagem de dados e construção de datasets para IA;
• Projetar arquiteturas escaláveis em Databricks (Spark, Delta, Lakehouse);
• Otimizar performance, custo e confiabilidade das estruturas de dados;
• Definir padrões técnicos e boas práticas de modelagem para o time;
• Trabalhar junto às frentes de IA para acelerar experimentação e entrega de modelos;
• Suportar pipelines e integrações via ADF e Airflow, quando necessário.

⏳ Etapas do Processo

• Triagem inicial: Análise do currículo para verificar a adequação às qualificações e requisitos da vaga.
• Testes gerais: Avaliação do alinhamento cultural com o teste da Mindsight e teste de raciocínio lógico da Predictive Index.
• Entrevista com a equipe de Recrutamento: Discussão sobre as expectativas em relação à vaga e aos objetivos profissionais.
• Avaliação técnica: Entrevista focada nas habilidades específicas necessárias para a função.
• Entrevista com a liderança: Uma conversa para discutir sua visão e como você pode contribuir para a equipe e a empresa.
• Entrevista com colegas de trabalho: Interação com futuros pares para avaliar a sinergia e o trabalho em equipe.
• Entrevista focada em cultura: Exploração dos valores e princípios da empresa para garantir um bom encaixe cultural.
• Oferta: Apresentação da proposta de trabalho, incluindo detalhes sobre remuneração e benefícios.

Benefícios:

Saúde e Bem-estar

• Plano de saúde
• Plano odontológico
• Wellhub (Gympass)
• Zenklub
• Seguro de Vida
• iFood Benefícios (VA e VR flexível)
• Vale Transporte
• New Value (clube de benefícios)
• Licença parental: maternidade de 6 meses e paternidade de 20 dias.
• Auxílio Creche

Vida Financeira

• Fundos de Investimentos Exclusivos
• Assessoria de Investimentos
• Cartão XP Visa Infinite sem anuidade
• Crédito (consignado, home equity, CCB Imobiliário, etc.)

Modelo de Trabalho Presencial Flexível
O nosso modelo de trabalho varia de acordo com a função, podendo ser totalmente presencial para frentes de negócio e mais flexível para outras equipes.

Seguimos um modelo com mais frequência presencial, mas sempre guiado por flexibilidade e autonomia com a responsabilidade da nossa cultura empreendedora.

Aqui na XP Inc., valorizamos as interações pessoais e acreditamos no uso do escritório como uma ferramenta para potencializar nossas relações no trabalho.

• Ao seguir com a inscrição, você declara que leu, compreendeu e concorda com a Política de Privacidade do Grupo XP Inc. e de seus fornecedores e parceiros que apoiam com a realização do processo seletivo. O Grupo XP Inc. poderá utilizar de soluções de inteligência artificial para apoiar a equipe de recrutamento no decorrer do processo, o que poderá envolver o tratamento de seus dados pessoais para tal finalidade, conforme princípios da Lei Geral de Proteção de Dados e da Política de Privacidade do Grupo XP Inc.

São Paulo, Remote, with 1 day in the office every other week
The Asset Group manages over 1,200 integrations at Axonius, enabling us to maintain a strong competitive advantage. Our team develops and maintains highly scalable infrastructures, ensuring seamless data normalization and processing, which is crucial for building efficient systems and delivering valuable insights.

As a backend engineer, you'll operate with a WIN (Whatever It Needs) and end-to-end (E2E) responsibility mindset, focusing on building robust, high-performance systems. You'll quickly decipher complex technical challenges, research and develop solutions, and deploy them at scale. Your work will drive technical success, contributing to a customer-driven product that meets client needs, secures deals, and ensures long-term success.

Minimum Qualifications

• 2+ years of experience as a Backend Engineer
• Fast learning ability to adapt quickly in a fast-paced, dynamic environment
• Proven experience with at least one of the following communication methods: REST, SOAP, GraphQL, LDAP, SNMP
• Proven experience with at least one of the following Database technologies: SQL, MongoDB
• Excellent written and verbal English communication skills. You will be working with a distributed team where all internal communication is in English.

Preferred Qualifications

• Experience with Python
• Experience with Linux environments
• Experience in the cybersecurity industry
• Experience working with customers worldwide
• Experience with a variety of technologies (such as Docker, MongoDB, cloud environments)

About Axonius
Axonius transforms cyber asset intelligence into actionability. With the Axonius Asset Cloud, customers preemptively tackle high-risk and hard-to-spot threat exposures, misconfigurations, and overspending. The integrated platform brings together data from every system in an organization’s IT infrastructure to optimize mission-critical risk, performance, and cost measures via actionable intelligence.

Covering cyber assets, software, SaaS applications, identities, vulnerabilities, infrastructure, and more, Axonius is the one place to go for Security, IT, and GRC teams to continuously drive actionability across the organization. Cited as one of the fastest-growing cybersecurity startups, with accolades from CNBC, Forbes, and Fortune, Axonius supports millions of assets for leading customers across industries and around the world.

Axonius makes it a priority to invest in our people with competitive compensation and benefits, growth opportunities, community-building, and so much more. Learn more about
benefits at Axonius
.

At Axonius we support a diverse and inclusive workplace and believe in equal employment opportunity. We welcome people of different backgrounds, experiences, abilities and perspectives to apply. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, religion, age, sex, gender identity, national origin, sexual orientation, citizenship, marital status, disability, or Veteran status.

Axonius participates in E-Verify. To learn more, please review the
E-Verify Participation Poster (PDF)
and the
Right to Work Poster (PDF)
.
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