Sr. Software Engineer

OpenKrill; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

OpenKrill is seeking a Senior Software Engineer who combines hands-on coding with technical leadership to deliver scalable, reliable software. As a senior contributor, you will mentor teammates, define best practices, and guide architectural decisions across product and platform initiatives.

You will work across backend and frontend systems, with C#, .NET, React, and cloud-native tools, contributing to API design, CI/CD, and production reliability.

Qualifications

• 5+ years of software engineering experience.
• Deep knowledge of C#, .NET, .NET Core and modern frameworks.
• Experience with React.js, TypeScript/JavaScript, SQL, and APIs.
• Strong backend and frontend engineering experience.
• Experience with cloud-native application development.
• Experience with AI development tools and methodologies.
• Strong understanding of APIs, distributed systems, and CI/CD.
• Ability to independently lead complex technical initiatives.

Responsibilities

• Lead implementation of complex software systems and services.
• Influence architecture and modernization initiatives.
• Mentor engineers through code reviews and technical coaching.
• Support operational excellence and production reliability.
• Partner closely with Product, QA, and DevOps teams.

Skills

C#, .NET, .NET Core

React.js, TypeScript/JavaScript, SQL,

Backend & Frontend engineering

Cloud-native development

AI development tools

APIs, distributed systems, CI/CD

Independent technical leadership

5+ years experience

Job description

Senior Software Engineer

Position Summary

This Senior Software Engineer is a senior technical contributor responsible for delivering scalable, maintainable, and reliable software solutions while helping guide technical implementation across the team. This role combines hands‑on engineering with mentorship, technical leadership, and collaboration across product and platform initiatives.

What You'll Do

• - Lead implementation of complex software systems and services
• - Influence architecture and modernization initiatives
• - Mentor engineers through code reviews and technical coaching
• - Support operational excellence and production reliability
• - Partner closely with Product, QA, and DevOps teams

Required Qualifications

• - 5+ years of software engineering experience
• - Deep knowledge of C#, .NET, .NET Core and modern application frameworks
• - Experience with React.js, TypeScript/JavaScript, SQL, and APIs
• - Strong backend and frontend engineering experience
• - Experience with cloud-native application development
• - Experience with AI development tools and methodologies
• - Strong understanding of APIs, distributed systems, and CI/CD
• - Ability to independently lead complex technical initiatives

Why This Role Is Interesting

We value engineers who enjoy building, improving, and simplifying systems. This role provides the opportunity to work across product, platform, and engineering initiatives that directly influence customer experience and business outcomes.

What Success Looks Like

Success in this role is measured through technical contribution, collaboration, engineering quality, operational reliability, and the ability to positively influence team effectiveness and software delivery outcomes.