StairwaySoft

StairwaySoft is an Israeli-Ukrainian engineering provider of custom software solutions for SMBs and startups. We’re looking for a Senior Backend Engineer (PHP/ Laravel/Node.js) to contribute to a large-scale SMS platform with multiple services, integrations, and high system load.

This is primarily a backend-focused role (around 80%), with occasional frontend involvement (up to 20%) using Vue.js and Blade templates when needed.

We are specifically looking for an experienced engineer who is comfortable working in high-load production environments, troubleshooting performance bottlenecks, optimizing database and search layers, and building scalable services.

Our technical stack:

PHP (Laravel), Node.js, SQL, ClickHouse, ElasticSearch, MongoDB, Vue.js, Blade templates

Responsibilities:

• Diagnose and resolve performance and stability issues in a high-load environment
• Optimize SQL queries and ElasticSearch layers to improve system performance
• Build and expand backend services, including both monolithic and microservice-based components
• Participate in architecture discussions and scalability improvements
• Occasionally contribute to frontend development when needed

Requirements:

• 8+ years of commercial backend engineering experience
• Strong command of PHP, Laravel, and Node.js
• Experience building and supporting high-load systems
• Strong experience with SQL databases and backend performance optimization
• Experience troubleshooting production issues and working with live systems
• Hands-on experience with APIs and third-party integrations
• Senior-level engineering mindset and ability to work independently

Would be a strong advantage:

• Experience with ClickHouse and ElasticSearch
• Experience with MongoDB and NoSQL databases
• Frontend experience with Vue.js and Blade templates
• Experience with distributed or service-oriented systems

Our client is a fintech and cryptocurrency company building a full banking and payment processing platform, along with a crypto payment suite. You’ll join an established team working on backend development and banking integrations.

Responsibilities

• Backend development using Node.js
• Integration with external banking and financial APIs
• Development and maintenance of platform modules
• Working with SQL and NoSQL databases
• Collaboration with the client’s engineering team

Requirements

• 4+ years of hands-on backend development experience with Node.js
• Experience integrating external APIs (payment integrations are a strong plus)
• Solid experience with both SQL and NoSQL databases

Nice to have

• Experience in fintech, crypto, or banking domains
• Experience with payment integrations (e.g., Stripe)
• Knowledge of NestJS

Benefits

• Fully remote collaboration with a flexible working environment
• 14 business days of paid annual vacation, 5 paid sick days, and four additional paid holidays
• Opportunity to work on cutting-edge fintech and crypto products, shaping modern payment and banking solutions
• Collaborative and supportive team, where initiative is always valued

Our hiring process

1. Screening interview with a recruiter (30 minutes)
2. Technical interview with Team Lead and CTO (1 hour)