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