Software Engineer (Backend focused)

pubGENIUS is a React.js and Next.js development agency and ad tech startup. We build web and AI products for clients in the US and Europe. Our focus areas include DeFi, fintech, and healthcare. We are hiring a backend developer with strong Node.js and AWS experience. You will work on real client products and internal systems. What You Will Do

• Build and scale backend services using Node.js and TypeScript
• Design and implement event-driven systems using AWS Lambda, SNS, and SQS
• Develop and maintain APIs for web and mobile applications
• Write efficient queries for Aurora MySQL and work with Redis where needed
• Collaborate with PMs, designers, and developers on delivery
• Participate in code reviews, planning, and architecture discussions
• Debug production issues and improve system performance

Team setup You will join a team of around 15 people. Each project has a project manager. You will work with at least one other developer and receive support from senior engineers. Requirements

• Degree in Computer Science or related field
• 3+ years of software engineering experience
• Strong Node.js and JavaScript knowledge
• Experience with AWS, especially Lambda, SNS, SQS
• Experience with event-driven architecture
• Solid experience with MySQL, ideally Aurora
• Experience building and maintaining APIs
• Strong debugging and problem-solving skills
• Good communication skills in English, C1 or higher
• Comfortable working in UTC ±3 hours

What We Look For

• Clear thinking and ownership
• Attention to detail
• Ability to work independently
• Strong collaboration skills

Benefits

• Fully remote work from anywhere
• Flexible hours
• Paid vacation and sick days