Senior Software Engineer – Back-end

🕒 February 27

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Lastro

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2021

🤖 Artificial Intelligence

🏠 Real Estate

☁️ SaaS

🔥 Funding within the last year

💰 $16M Series A - Lastro on 2025-09

Artificial Intelligence • Real Estate • SaaS

<Lastro> Lastro is an AI-powered SaaS platform that automates and humanizes lead engagement and operations for real estate companies. Its conversational AI (branded Lais) handles leads 24/7 via WhatsApp and other channels, qualifies and routes contacts into CRMs, recommends properties, automates re‑engagement and remarketing, and provides analytics and integrations with ad portals and CRMs to boost conversions and simplify sales and rental workflows.

📋 Description

• Develop, evolve, and maintain the back-end in Go, prioritizing the construction of high-performance, scalable systems; • Design and document robust, resilient APIs that enable continuous integration across multiple services and products; • Ensure technical excellence through automated testing, rigorous code reviews, and the dissemination of engineering best practices; • Lead architecture discussions, proposing structural solutions that support the platform's rapid growth and mitigate technical debt; • Explore and implement emerging technologies, including integration with LLMs, vector databases, and agent-based architectures to deliver business value; • Continuously optimize infrastructure and code to ensure low latency and high availability.

🎯 Requirements

• Strong, demonstrable experience in back-end development with proficiency in Go. • Deep knowledge in building RESTful APIs and modeling relational databases; • Hands-on experience with CI/CD pipelines and a test automation culture for frequent, reliable releases; • Ability to support the team in resolving complex problems by sharing technical knowledge and mentoring peers; • Autonomy to manage end-to-end deliveries and a critical mindset to suggest improvements in a dynamic environment; • Familiarity with event-driven architectures and messaging systems; • Interest or experience in AI, vector databases, or agent-based architectures; • Knowledge of the real estate market or CRM systems.

🏖️ Benefits

• N/A