Senior Full-Stack Developer (Python/React/AWS/LLM)

Elinext (alliance of companies with offices in different countries) is an IT consulting company that have been delivering software development services on time and budget since 1997.

We are searching for a Senior Full-Stack Developer to build a secure analytical web application powered by workflow-based AI capabilities. In this role, you will own end-to-end delivery - from architecture and backend to frontend, cloud deployment, and operational readiness - for a customer based in the Australia.

Responsibilities:

• Build and deliver a full-stack product using Python, React/Next.js, PostgreSQL, and AWS;

• Implement backend services for analytical workflows, orchestration, and exports;

• Build frontend for structured outputs, user inputs, validation, and export flows;

• Set up enterprise authentication (SSO, group-based access control);

• Build LLM-powered orchestration (routing, tool calling, structured outputs, fallbacks);

• Define evaluation loops (benchmarks, golden cases, regression checks);

• Implement production safeguards (retries, timeouts, audit logging, guardrails);

• Work with stakeholders to clarify business rules and acceptance criteria.

Requirements:

• Strong professional experience with Python and FastAPI;

• Strong frontend experience with React, Next.js, and TypeScript;

• Strong experience with PostgreSQL;

• Practical experience with AWS (deployment and operations);

• Experience with enterprise auth (SSO, OIDC/OAuth, roles, permissions);

• Hands-on experience integrating LLMs into production workflows;

• Experience with workflow orchestration (routing, tool calling, fallbacks);

• Experience with evaluations, benchmarks, or quality loops for AI products;

• Experience with observability and safeguards (logging, metrics, tracing);

• English at Intermediate+ level (must).

Nice to have:

• PostGIS, Entra ID, LangGraph, RAG, benchmark suites, guardrails or data-heavy product experience.

Benefits:

• opportunity to work remotely (from Georgia);
• broad responsibility, autonomy and visibility in an engineering role;
• in-depth exposure to real-world customer issues across a global customer base;
• small-company feel in a growth environment;
• extensive, invaluable exposure, and experience to top-notched, leading-edge technologies in Cloud computing, home monitoring systems, and a vast of other exciting, hot products;
• working in a friendly environment with a team of creative and enthusiastic engineers;
• ability to promote and try out cutting-edge technologies for the app development;
• retirement plan contributions matching (applicable to country of residence);
• health-benefits (applicable to country of residence).