Full-Stack Developer

🔥 25 minutes ago

🇧🇷 Brazil – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 16%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Addvisor Group

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2004

💼 Consulting

📣 Marketing

☁️ SaaS

Consulting • Marketing • SaaS

Addvisor Group is a Brazilian enterprise software and consulting company that provides fiscal and business-process automation solutions for medium and large companies. Its flagship product, AddTax (and SmartDocx), is a SaaS platform that automates capture, orchestration and compliance of fiscal documents (NF-e, NFS-e, CT-e, MDF-e, etc. ), integrates natively with SAP (ECC and S/4HANA) and via APIs with other ERPs, and supports tax compliance across thousands of Brazilian municipalities and multiple countries. Addvisor also offers implementation and consulting services, including ERP selection and SAP implementations, focused on reducing operational costs, fines and improving financial and tax efficiency.

📋 Description

• Develop full-stack software in a mid-level position • Work primarily with .NET and React, moving between them with the support of AI • Write unambiguous specifications, break plans down into verifiable steps, and define acceptance criteria for both humans and agents • Build and manage context for LLMs, including instructions, constraints, examples, tools/MCPs, and context-window management • Apply generative AI and agentic tools to software development with systematic human validation • Evaluate, validate, and correct code produced by AI and third parties • Write well-organized, testable, high-quality code • Develop and maintain automated tests • Collaborate using Git and pull requests • Work with SQL databases, data modeling, and agile practices

🎯 Requirements

• At least 3 years of software development experience • Strong proficiency in at least one of the stacks (.NET and React), with demonstrated ability to work across the others with the support of AI • Spec-Driven Development as a core competency: write unambiguous specifications, break them down into verifiable plans, and define acceptance criteria that serve as a contract for humans and agents (e.g., /specify, /plan) • Context Engineering: build and manage context for LLMs, including instructions, constraints, examples, tool/MCP selection, and context-window management • Experience applying generative AI and agentic tools to software development, with responsibility, critical judgment, and systematic human validation • Critical ability to read code you did not write: evaluate, validate, and correct AI-generated and third-party output with the same depth applied to your own code • Ability to write high-quality, well-organized, and testable code, with strong knowledge of object-oriented programming and/or sound design principles • Experience with automated testing (unit and/or integration testing) • Experience using Git for version control and collaborating through pull requests • Experience with SQL databases and data-modeling fundamentals • Experience with agile practices (Scrum, Kanban, or XP) • Knowledge of Python • Practical experience orchestrating agents and working with MCPs/connectors (a plus) • Familiarity with evaluating and observing AI output, measuring quality, tracking regressions and token costs, and working with model-agnostic architectures (a plus) • Experience with distributed architectures, microservices, or messaging (a plus) • Experience with CI/CD and build and release automation (a plus) • Knowledge of cloud technologies and/or containers, including Docker and Kubernetes (a plus)