Senior Full Stack Engineer – Automation

Hirehangar

Kyiv, Kyiv, Ukraine contract

Posted: March 19, 2026

Required Skills

Job Description

Join Hire Hangar and work with fast-growing global companies while building a long-term, remote career.

Job Title Senior Full Stack Engineer – Automation

Location Remote

Time Zone Flexible / Aligned to HQ Time Zone

Role Overview We are looking for a Senior Full Stack Engineer with a passion for intelligent automation to join our growing SaaS platform team. You will design and build end-to-end solutions that blend RPA agents, AI-driven workflows, and modern frontend experiences — helping our customers automate the complex and focus on what matters most.

This is a high-ownership role for an engineer who is equally comfortable architecting backend automation pipelines and crafting polished, data-rich interfaces. You will work across the full stack, collaborating closely with AI/ML engineers, product managers, and UX designers to ship automation capabilities that are powerful, reliable, and intuitive to use.

Key Responsibilities

• Architect and develop RPA agent pipelines integrated into our core SaaS platform

• Build responsive, data-rich frontend interfaces that surface automation insights to end users

• Design semantic context layers that give RPA agents the knowledge they need to make intelligent decisions

• Collaborate with AI/ML engineers to integrate language models and decision engines into automation workflows

• Contribute to the data platform layer — ingestion, transformation, and exposure via APIs and UI

• Participate in design reviews, code reviews, and technical roadmap planning

• Mentor mid-level engineers and help define engineering best practices

Required Qualifications

• Senior-level full stack development experience (Node.js or Python backend; React or Vue frontend)

• Proven experience building or integrating RPA solutions (UiPath, Automation Anywhere, Power Automate, or custom agent frameworks)

• Familiarity with LLM integration patterns including RAG, tool-calling, and prompt engineering

• Experience with semantic or knowledge graph layers, ontology-based systems, or structured context stores

• Strong grasp of RESTful and event-driven API design

• Exposure to cloud-native infrastructure (AWS, Azure, or GCP)

• Must have prior remote work experience and be fluent with remote collaboration tools (Slack, Zoom, Google Workspace, or similar)

Preferred Qualifications

• Experience with vector databases such as Pinecone, Weaviate, or pgvector

• Background in agentic AI frameworks such as LangChain, AutoGen, or CrewAI

• Familiarity with data pipeline tooling including dbt, Airflow, or Spark

• Experience working in a B2B SaaS product environment

•

Tools & Technology

• Python / Node.js

• React / TypeScript

• RPA platforms (UiPath, Power Automate, or similar)

• Cloud platforms (AWS, Azure, or GCP)

• Vector or graph databases

• Slack, Zoom, Google Workspace

Please Note It is crucial that you complete the application form in full. As part of the application process, you will be required to complete a short technical assessment. If your application is successful, you will receive an email confirming next steps. Applications that are not completed in full will not be considered for any open roles.

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