Senior Backend Developer

Intersog® is a Chicago-based provider of ROI-driven custom web and mobile development specializing in delivery of full-service, end-to-end solutions and project resources to Fortune 500 companies, SMEs and startups. We help our clients attack their ambitious business goals, solve skills shortage issues and become innovative by building Dedicated Software Development Teams in Ukraine and/or providing on-demand IT project resources to complete required skills on their in-house teams.

Our primary goal in partnering with our clients is to exceed their expectations and foster an ongoing relationship that envelopes innovation, industry leadership and business strategy while delivering products that bring exceptional user experience, brand elevation and market dominance.

We are searching for a Senior Backend Engineer to join a rapidly growing startup that is building an AI-driven SaaS platform to streamline renewable energy asset management, with an initial focus on the solar sector.

Requirements:

— 5+ years of experience in web development, with a focus on AI technologies;

— Proficiency in programming languages such as Python, with experience in developing AI frameworks and tools;

— Experience designing and working with PostgreSQL (especially for schema definition,

migrations, indexing, and relational modeling);

— Solid understanding of agent-based systems and their application in AI development.

— Preference for familiarity with Large Language Models;

— Ability to write clean, maintainable API contracts (OpenAPI / Swagger);

— Expertise with Google Cloud Platform — particularly CloudRun, Cloud Functions, CloudSQL, and IAM permissions;

— Experience setting up CI/CD pipelines (GitHub Actions, etc.) and containerization via Docker.

— Familiar with authentication flows, possibly using Firebase or Auth0;

— Strong analytical and problem-solving skills;

— Excellent communication and interpersonal skills;

— Well organized and goal-oriented with proven ability to manage multiple priorities and deliverables;

— Fluent in English, both written and spoken;

— Familiarity with document parsing, PDF extraction, graph database modeling, and/or agentic workflows;
— Startup or solo developer experience.

Recommend a friend

Think your friends suit this position best?
Please, fill in the recommendation form.

    I give my consent to Intersog to process and retain my personal data as set out in the retention section of the Privacy Policy.