Senior Backend Developer

Location: Remote (Pakistan) Job Type: Full-time Work Schedule: 09:00 AM-05:00 PM (Pacific Standard Time) Role Overview: We are seeking a Senior Backend Developer with at least 5 years of professional experience to join our growing team. You will play a key role in designing, building, and maintaining backend systems, with a strong focus on large-scale crawlers and supporting data-driven and infrastructure solutions. Key Responsibilities: Lead the design, development, and deployment of backend systems and data products. Build scalable, high-performance infrastructure to support data-heavy applications. Optimize backend systems for maintainability, performance, and scalability. Manage and troubleshoot production systems, ensuring uptime and data accuracy. Develop and refine automated data crawling/scraping pipelines. Collaborate with developers, analysts, and stakeholders across time zones. Mentor junior developers, ensuring adherence to best practices and code quality. Maintain up-to-date technical documentation. Explore new ideas in data-driven and infrastructure-focused applications, including AI-driven solutions. Leverage AI/ML models to streamline experimentation, advance research, and deliver production solutions. Requirements: 5+ years of professional backend development experience with at least 3+ years of hands-on Python experience in production (Flask, FastAPI preferred). Strong knowledge of Linux systems and SQL databases (PostgreSQL/MySQL). Proven experience designing, building, and supporting backend systems from scratch. Comfortable managing and optimizing live production environments. Familiarity with data crawling/scraping techniques and large-scale data processing. Excellent communication skills and ability to work independently in a remote setup. Nice to Have (Plus Points): Experience with PHP in hybrid environments (LAMP/LEMP stacks). Background in infrastructure, scaling systems, and distributed databases. Hands-on experience with data crawling at scale. Interest or prior work in AI/ML-driven solutions. Solid foundation in statistics, mathematics, and machine learning. Previous experience with tech startups or software companies. Mentorship or leadership experience with junior developers. Contributions to personal or open-source projects. What you'll work on(early projects may include) Designing, building, and maintaining backend systems for data-heavy applications, with a primary focus on large-scale crawlers and market feeds. Contributing to projects spanning vehicle history and market data ( VinAudit.com ), scalable scraping solutions, and proxy infrastructure across datacenter, ISP, and mobile networks ( SquidProxies.com ) delivering aggregated insights to enterprise customers and building internal systems for scalability. Collaborating with cross-functional teams to optimize data pipelines, infrastructure, and performance. Solving backend infrastructure challenges across multiple products. Exploring opportunities to integrate AI/ML and private models into data-driven solutions. Benefits & Perks: Fully Remote Work: Work from anywhere with reliable internet. Healthcare Coverage for you and your family. Paid Leave & Holidays, with time to rest and recharge. Equipment Funds Support to help set up or upgrade your home office. Profit Sharing: Monthly and annual bonuses tied to performance. Long-Term Career Growth Be part of a company that values stability and growth. Collaborative Culture Work with a supportive, globally distributed team. About Us: Solstice Analytics is a technology-driven company with 50+ team members across the Philippines, Pakistan, India, the U.S., China, and Canada. We operate a group of businesses spanning tech, data services, and infrastructure, and AI, with some of our main products and ventures around: Vehicledata ( VinAudit.com ) Proxy infrastructure solutions ( SquidProxies.com ) Only shortlisted candidates will be contacted. We look forward to meeting the right person for this role! Originally posted on Himalayas