Full Stack AI Engineer – Senior N/I NOVO

About Indicium AI

Indicium AI is trusted by the world’s leading enterprises to deliver AI into production at scale. We are a global, AI-native consultancy with deep expertise across Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail & CPG, and Manufacturing – guiding organizations from strategy through build to measurable business outcomes. With 600+ AI experts, 50+ enterprise clients, and five global locations, we work side-by-side with the world’s leading AI partners – including Anthropic, Databricks, AWS, OpenAI, and Microsoft – to deliver modern AI with speed, clarity, and lasting impact.

As a global company, we offer career opportunities across Europe and the Americas and are looking for talent eager to grow globally with our team. Please indicate in your application if you are available to work abroad and if you hold a European passport.

About the Opportunity

The Senior AI Software Engineer serves as a technical benchmark within the team, responsible for leading the development of high-complexity digital products. You possess a systemic view of both product and platform, capable of making architectural decisions that bridge traditional software development with the strategic integration of Artificial Intelligence. You will act as the primary interface between Product, Data, and AI Engineering teams, ensuring that all solutions are scalable, secure, and driven by clear business outcomes.

Key Responsibilities

• Lead the design and development of high-complexity full-stack solutions, from concept to production.

• Define, disseminate, and maintain high standards for code quality and maintainability, raising the team’s overall technical bar.

• Spearhead AI integration strategy, determining when and how to implement LLMs, RAG, or agentic workflows, working alongside AI Engineers or independently.

• Ensure the scalability, performance, security, and reliability of applications, including complex AI components.

• Evaluate and recommend emerging technologies, frameworks, and development/AI tools.

• Conduct strategic code reviews to foster technical excellence and quality.

• Mentor and develop junior and mid-level engineers.

• Collaborate with Product, Data, AI Engineering, and Business leadership to anticipate technical needs and propose innovative solutions.

• Contribute to the definition of robust development, quality assurance, and deployment processes.

• Document and communicate complex technical decisions to diverse stakeholders.

• Define and promote a comprehensive testing and automation strategy (unit, integration, E2E) to ensure quality at scale, including testing AI-driven features.

Preferred Qualifications & Experience

• Solid experience in full-stack development for production-grade projects.

• Proven track record of establishing quality and design standards in production codebases, with the ability to evaluate architectural trade-offs at scale.

• Proficiency in back-end programming languages (Python, Node.js, Java, Go, etc.) and modern front-end frameworks (React, Vue, or Angular) using TypeScript.

• Advanced experience integrating LLMs into real-world products (OpenAI, Anthropic Claude, Google Gemini, etc.).

• Deep expertise in prompt engineering, RAG, and implementing AI features within a product context.

• Advanced knowledge in modeling and optimizing both relational and NoSQL databases.

• Advanced experience with Docker, Kubernetes, and container orchestration.

• Advanced experience with major cloud platforms (AWS, GCP, or Azure).

• Advanced experience with CI/CD, DevOps, and deployment automation.

• Demonstrated history of technical leadership and mentoring teams.

• Strong analytical skills, clear communication, and business acumen.

• Advanced/Fluent English.

Nice to haves

• Anthropic Claude Certified Architect — Foundations (CCA-F) or equivalent.

• Public cloud certification (AWS, Azure, GCP) at the Professional/Specialty level.

• Experience with multi-agent architectures in a product context.

• Experience with advanced security for AI applications (prompt injection mitigation, guardrails, data privacy).

• Experience with SRE (Site Reliability Engineering) applied to systems with AI components.

• Contributions to open-source projects in software engineering or AI.

• Graduate degree (Master’s or equivalent) in Computer Science, Software Engineering, Artificial Intelligence, or related fields.

Why Indicium AI

• Work on AI projects that actually transform the world’s largest enterprises

• Use cutting-edge AI tools and technologies every single day

• Collaborate with global teams on high-impact, real-world solutions

• Be backed by a supportive team that’s genuinely in your corner

• Benefit from serious investment in your learning and career growth

• Earn competitive compensation and benefits

• Enjoy company events and gatherings that bring the global team together

• Join a fast-growing company where ambitious careers thrive

Selection Process Stages

1. Interview with Talent Acquisition

2. Technical Challenge

3. Interview with Technical Management

4. Evidence Storage

As part of our commitment to Information Security and in compliance with the requirements of the ISO 27001 standard (item 7.2, clause d), we would like to inform you that in future stages of the selection process, you will be required to provide proof of the skills and qualifications mentioned in your resume (such as diplomas and certificates). This verification is mandatory and essential to ensure compliance with our governance standards prior to hiring.

Some of the benefits offered by Indicium:

Our Culture

• Modern, transparent, and inclusive management.

• Dynamic environment, open to innovation and creativity.

• Data-driven culture.

• Autonomy and engagement.

• Light and relaxed atmosphere with a focus on challenges.

• High-growth environment (Fast-paced scaling).

• Remote work and flexible hours.

For Your Professional Development

• Structured career path.

• Feedback and growth culture (45/90-day onboarding reviews and semi-annual performance cycles).

• Mentorship Program for dedicated support during onboarding.

• Experienced and collaborative team.

• High-impact projects.

• Agile methodologies and cross-functional teams.

• Free weekly English conversation classes.

• Certification Program (full financial support and performance rewards).

• Tutoring opportunities at Indicium Academy.

• Internal initiatives such as “Tech Tracks” and “Databloggers.”

For Your Health and Wellbeing

• Global offices in Florianópolis, São Paulo, New York, Lisbon, and London.

• In-office snacks and beverages.

• Points and rewards program.

• Psychological support via “Programa Oxigênio” and Zenklub.

• Birthday day off.

• Weekly happy hours and game nights (both remote and in-person).

• Wellhub (formerly Gympass).

• Bradesco Health Insurance.

• Flash Card (flexible benefits – total R$ 1,350.00).

• Annual bonus (performance-based).

• Referral Program (R$ 250 per successful hire).

• Extended maternity leave (6 months).