Senior Full-Stack & Platform Engineer - Real-Time Messaging

Blooio; New York (NY); On-site; USD 160,000 - 180,000; Full time

Job summary

Blooio in New York City is seeking a senior software engineer to join the founding team and own major architectural decisions for the core platform.

You will design and scale backend services, APIs, and frontend features, collaborating closely with founders and across product teams.

The role emphasizes real-time messaging, reliability, security, and the ability to deliver production-ready software in a fast-growing startup.

Qualifications

• 5+ years of professional software engineering experience, ideally SaaS or developer-focused products.
• Experience with modern frontend frameworks such as NextJS and React.
• Strong understanding of REST APIs, webhooks, asynchronous processing, and distributed systems.

Responsibilities

• Backend Development: Design, build, and maintain scalable backend services, APIs, and core messaging infrastructure.
• Full-Stack Development: Develop features across the customer dashboard, internal tools, and web applications.
• API & Integrations: Build REST APIs, webhooks, third-party integrations, and automated workflows.
• Infrastructure & Scalability: Improve system reliability, performance, security, and scalability as messaging volume grows.
• System Architecture: Help design robust, maintainable systems for real-time messaging and high-throughput workloads.
• Product Development: Work with founders to turn product requirements into functional features.
• Engineering Quality: Write maintainable, well-tested code, conduct code reviews, and troubleshoot production issues.
• Technical Ownership: Independently lead projects from design through deployment and maintenance.

Skills

Software engineering

NextJS

React

REST APIs

Distributed systems

Relational DBs

Caching systems

Message queues

Cloud infrastructure

CI/CD pipelines

Docker

Production deployments

Code reviews

Performance & security

Tools

Docker

CI/CD tooling

Job description

Blooio in New York City is seeking a senior software engineer to join the founding team and own major architectural decisions for the core platform.

You will design and scale backend services, APIs, and frontend features, collaborating closely with founders and across product teams.

The role emphasizes real-time messaging, reliability, security, and the ability to deliver production-ready software in a fast-growing startup.