Full-Stack Software Engineer

Luxoft; Canada; On-site; CAD 90,000 - 150,000; Full time

Job summary

Luxoft seeks a mid-to-senior backend engineer to design and build scalable APIs and services for energy portfolio optimization. You will model complex domains, implement system-to-system integrations, and contribute frontend work with TypeScript.

You will collaborate with product teams, advance AI-native development, and help scale CI/CD practices across the team, using AWS and relational databases to deliver robust solutions.

Qualifications

• Mid-to-senior engineer with backend and data fundamentals.
• Production experience with relational databases and data/domain modeling.
• Production experience in Ruby, Node.js/TypeScript or Python; fundamentals matter more than language.
• Experience designing and building APIs.
• AWS or another enterprise cloud platform.
• AI-native development including CI/CD and scaling shared workflows.
• Strong English and communication skills.

Responsibilities

• Work closely with product teams to define and execute technical criteria.
• Design and build backend services and APIs, including system-to-system integrations.
• Model complex, evolving business domains into clear schemas and API contracts.
• Ship end-to-end features, including TypeScript frontend work.
• Help scale AI-native development across the team and CI/CD tooling.

Skills

Backend development

Data modeling

API design

AI-native development

CI/CD

English communication

Tools

Ruby

Node.js/TypeScript

Python

Vue

PostgreSQL

Snowflake

AWS

TypeScript

CI/CD tooling

Job description

Our client is an energy solutions provider. Our AI-enabled platform supports operations, tracking and decision-making to optimize large-scale renewable and traditional energy portfolios. We're delivering a key client MVP in February 2027, and the project continues into 2028. Our stack: Ruby on Rails, Node.js/TypeScript and Python services, Vue, PostgreSQL, Snowflake and AWS.

Responsibilities

• Work closely with product teams to help define and execute technical criteria
• Design and build backend services and APIs, including system-to-system integrations, on relational data
• Model complex, evolving business domains into clear schemas and API contracts
• Ship end-to-end features, including TypeScript frontend work
• Help scale AI-native development across the team: shared AI workflows, tooling and CI/CD integration

Mandatory Skills Description

• Mid-to-senior engineer with strong backend and data fundamentals
• Production experience with relational databases and data/domain modeling
• Production experience in one of Ruby (preferred), Node.js/TypeScript (preferred) or Python. Fundamentals matter more than language
• Experience designing and building APIs
• AWS or another enterprise cloud platform
• AI-native development: daily use of agentic AI coding tools, and experience scaling shared AI workflows across a team and into the development lifecycle, including CI/CD
• Strong English and communication skills

Nice-to-Have Skills Description

• Building LLM features on enterprise AI platforms (AWS Bedrock preferred)
• Exposure to energy, utilities or sustainability data