Senior Backend Engineer: High-Load Distributed Systems

MoldStud; United States; Remote; USD 140,000 - 200,000; Full time

Job summary

MoldStud is seeking a Senior Backend Engineer who is language agnostic and thrives on hard technical challenges. You will design, build, and scale mission-critical systems under real load, with 85% PHP (Laravel) and 15% Python, and you’ll own significant parts of the platform.

You bring 7+ years of experience in distributed systems, high-load architectures, microservices, and database optimization for large datasets, and you’ll collaborate with cross-functional teams in an agile environment to

Qualifications

• 7+ years of experience as a backend engineer.
• Proven experience building large-scale distributed web applications.
• Strong back-end development with API architecture.
• Database optimization for big data and fast responses.
• Hands-on cloud experience (AWS/Azure/GCP).

Responsibilities

• Engineer highly available, scalable, real-time software systems.
• Lead the software development lifecycle from requirements gathering to deployment.
• Ensure timely and high-quality delivery of software products.
• Drive a best-in-class user experience through the systems under your responsibility.
• Collaborate with cross-functional teams in agile projects.
• Collaborate with front-end engineers to fine-tune REST APIs.
• Work with research teams to integrate ML models and other algorithms.
• Partner with DevOps to ensure scalable, secure production environments.
• Mentor junior engineers and promote best practices in coding and architecture.

Skills

Backend engineering

Distributed systems

API architecture

Database optimization

Cloud platforms

Big O notation

Leadership

Mentoring

Tools

Laravel

PHP

REST APIs

Elasticsearch

AWS

Azure

GCP

Machine learning integration

Job description

MoldStud is seeking a Senior Backend Engineer who is language agnostic and thrives on hard technical challenges. You will design, build, and scale mission-critical systems under real load, with 85% PHP (Laravel) and 15% Python, and you’ll own significant parts of the platform.

You bring 7+ years of experience in distributed systems, high-load architectures, microservices, and database optimization for large datasets, and you’ll collaborate with cross-functional teams in an agile environment to