Senior Full Stack Engineer – AI/ML Platforms (Remote)

Ciklum; Polska; Remote; PLN 180,000 - 300,000; Full time

Job summary

Ciklum is seeking a Senior Full Stack Engineer to join our Poland team. You will work on cross-functional projects, building AI-powered agents, and delivering scalable, secure software using TypeScript, Python, and AWS serverless services.

The role emphasizes observability, design reviews, and collaboration across engineering and product teams. You will contribute to Terraform-driven infra, CI/CD improvements, and internal tooling via React and GraphQL, while promoting best practices and robust

Qualifications

• Proven track record shipping LLM features and prompts.
• Strong TypeScript/Node production experience.
• Proficient Python for evals and scripting.
• Hands-on AWS serverless and IaC experience.
• Experience with NoSQL/SQL data and live migrations.

Responsibilities

• Build production AI agents and TS services on AWS.
• Design agent behavior and sandbox runtimes.
• Evaluate AI features and calibrate models.
• Ensure observability with metrics and logs.
• Maintain Terraform roots and CI/CD pipelines.
• Develop resilient integrations and secure agent code.
• Create internal tools UIs with React and GraphQL.

Skills

LLM production experience

TypeScript

Python

AWS serverless

Infrastructure as code

NoSQL/SQL

Observability

CI/CD

AI-assisted development

English communication

Multi-agent systems

MCP servers / eval frameworks

Prompt-injection defense

React

GraphQL

Java / Spring Boot

Code intelligence / retrieval

Kubernetes

AWS AppSync / EventBridge

Claude Certified Developer

LangGraph / Strands

Tools

Terraform

Lambda

DynamoDB

Bedrock

IAM

GraphQL

React

Spring Boot

Kubernetes

AppSync

EventBridge

LangGraph

Strands Evals

Job description

Ciklum is seeking a Senior Full Stack Engineer to join our Poland team. You will work on cross-functional projects, building AI-powered agents, and delivering scalable, secure software using TypeScript, Python, and AWS serverless services.

The role emphasizes observability, design reviews, and collaboration across engineering and product teams. You will contribute to Terraform-driven infra, CI/CD improvements, and internal tooling via React and GraphQL, while promoting best practices and robust