Senior Backend Engineer

Job Description

saas.group is seeking a Senior Backend Engineer to join the Keyword.com team. The role involves pioneering a next-generation browser-automated scraping system using Node.js (TypeScript) and contributing to the broader tech stack. The ideal candidate will be a creative problem-solver who thrives on reverse-engineering challenges, building scalable microservices, and working across the full stack.

Role Involves:

• Designing and building a scalable browser automation scraper
• Reverse-engineering web protocols and bypassing anti-scraping mechanisms
• Optimizing scraping infrastructure for speed, reliability, and stealth
• Contributing to the development of microservices APIs and other backend systems
• Architecting and developing high-performance scrapers using tools like Playwright
• Implementing proxy rotation, request throttling, and CAPTCHA-solving strategies
• Ensuring data accuracy and compliance with legal/ethical scraping practices
• Designing, building, and maintaining scalable microservices and APIs using modern backend frameworks
• Collaborating on frontend development using Vue.js when needed
• Mentoring teammates on best practices for scraping, backend development, and full-stack engineering

Requirements:

• 5+ years of backend development experience, with 2+ years dedicated to web scraping
• Expertise in Node.js (TypeScript), distributed systems frameworks, and cloud-native microservices architectures
• Experience in designing and optimizing high-throughput data processing pipelines, asynchronous messaging systems, and resilient data ingestion frameworks
• Strong understanding of OLAP databases like ClickHouse
• A “detective mindset”
• Senior-level ownership: meticulous planning, thorough documentation, and proactive risk mitigation

What saas.group Offers:

• 100% remote work
• Freedom and autonomy
• Minimum bureaucracy
• Small & friendly team
• Flexible time off