Senior Backend Engineer - AI Platform (Remote)

3Pillar Global, Inc.; Polska; Hybrid; PLN 469,000 - 626,000; Full time

Job summary

3Pillar Global, Inc. is seeking a senior software engineer to architect and deliver scalable backend services and APIs using Node.js, AWS Lambda, API Gateway, and managed data stores. You will work with cross-functional teams in a remote-first environment across the globe.

Join a team that emphasizes clean design, performance, and security, mentoring peers, and contributing to enterprise-grade systems while adopting modern AI development assistants and CI/CD practices.

Qualifications

• Design and implement scalable backend services and APIs using Node.js.
• Utilize AWS serverless services (Lambda, API Gateway, DynamoDB, RDS) for robust backend infrastructure.
• Collaborate with cross-functional teams to define and execute technical requirements.
• Optimize system performance and troubleshoot issues.
• Stay updated with Node.js and AWS technologies to drive improvements.
• Apply OO principles and design patterns; follow SOLID.
• Familiar with UML/C4/ArchiMate and enterprise design.
• Experience building enterprise-grade systems and RESTful APIs.
• Experience with AI development assistants.
• Mentor other engineers and contribute to Communities of Practice.

Responsibilities

• Analyze data integrity challenges using SQL/logs to identify root causes.
• Communicate project status and recommendations to client stakeholders.
• Craft client code that is efficient, scalable, secure, and well-tested.
• Participate in planning, estimation, and requirements gathering.
• Gather requirements and present developed features for clients.
• Drive complex activities within project methodologies and quality standards.
• Collaborate with engineers, designers, and managers to address user pain points.
• Engage in agile ceremonies and engineering practice communities.
• Independently drive project delivery from conception to deployment.

Skills

Node.js

AWS

REST APIs

Microservices

Data stores

Docker

Kubernetes

SOLID

ORMs

CI/CD

English

Tools

DynamoDB

RDS

API Gateway

Lambda

S3

Job description

3Pillar Global, Inc. is seeking a senior software engineer to architect and deliver scalable backend services and APIs using Node.js, AWS Lambda, API Gateway, and managed data stores. You will work with cross-functional teams in a remote-first environment across the globe.

Join a team that emphasizes clean design, performance, and security, mentoring peers, and contributing to enterprise-grade systems while adopting modern AI development assistants and CI/CD practices.