Senior Backend Developer – Specialist in Integrations, NFS-e

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Omie

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2013

☁️ SaaS

💳 Fintech

🛍️ eCommerce

SaaS • Fintech • eCommerce

Omie is a cloud-based ERP system designed to simplify business management for small and medium enterprises. It offers comprehensive solutions for financial management, sales control, and inventory management, helping businesses to operate more efficiently and effectively. With features such as automated processes, real-time financial monitoring, and seamless integration, Omie empowers entrepreneurs to unlock their growth potential and streamline their operations.

📋 Description

• Design, develop and maintain robust integrations via API (REST/SOAP) with webservices from various municipal governments across Brazil. • Architect and optimize batch billing routines, ensuring efficient asynchronous processing, queue handling, resilience to network failures and intelligent retries. • Work extensively with SQL Server databases. Analyze execution plans, optimize heavy queries, create/adjust indexes and ensure the database supports high daily issuance volumes without bottlenecks. • Translate complex municipal tax legislation into application logic and take a leading role in adapting our ERP to new scenarios and the impacts of the Tax Reform on service sales. • Investigate and resolve complex integration issues in production, mapping performance bottlenecks or communication failures with external servers.

🎯 Requirements

• PHP Seniority: Minimum of 5 years of proven and exclusive experience in PHP programming, with the ability to write clean, scalable and maintainable code. • Integration Expertise: Deep experience with consuming and building APIs, handling complex payloads (JSON/XML) and communication patterns with government webservices. • SQL Server Mastery: Advanced knowledge beyond CRUD. Mandatory ability to optimize slow queries, understand data modeling and indexing strategies for tables with millions of records. • Business and Taxation Knowledge: Proven experience with NFS-e billing, municipal tax rules (ISS, withholdings) and a clear understanding of how the Tax Reform affects service delivery scenarios. • Cloud Architecture: Practical knowledge and prior experience working with cloud architectures and services to ensure scalability and high availability. • AI-assisted Development: Hands-on experience using Artificial Intelligence tools to support programming (e.g., Gemini CLI, Claude, GitHub Copilot, etc.), aimed at increasing productivity, performing code reviews and pair-programming with AI. • Best Practices and Versioning: Thorough mastery of Git and GitHub for version control, CI/CD pipelines and code review.

🏖️ Benefits

• Flexible Benefit / Meal Voucher: R$ 45.00 per working day. • Home office allowance. • Need to work on-site? We provide transportation vouchers. For those commuting by train/metro, we offer a shuttle from the station to the office. • Bradesco health plan. • Amil Dental dental plan. • Pharmacy assistance. • Childcare assistance. • Birthday day off so you can celebrate however you like! • Access to partner apps for accredited gyms to support physical health and wellbeing. • Partnerships with online therapy and meditation platforms for mental health support. • Partnership with SESC - Full Credential. • Exclusive discounts at top universities and educational institutions for undergraduate, graduate and MBA programs. We also provide free access to Omie Academy for employees. • Partnership with English-in-Company courses. • Insurance discount program. • Swile Shop: exclusive discount platform. • Partnership with Dell. • PPRL. • Travel benefits. • Life insurance.