# Senior Software Engineer (Node.js, React) at Diligent Corporation

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design and own secure, scalable microser

- **Company:** Diligent Corporation (https://jobs.trythestack.co/companies/diligent-corporation)
- **Location:** Hungary
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Node.js, React, TypeScript, AWS Serverless, LLM Integration, RAG Systems, Prompt Engineering, PostgreSQL, Docker, CDK, Terraform, CI/CD, RESTful APIs, Microservices, Agentic Workflows, Software Architecture
- **Posted by employer:** 2026-07-20
- **Added to The Stack:** 2026-07-21
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://job-boards.greenhouse.io/diligentcorporation/jobs/6009069004 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-software-engineer-nodejs-react-diligent-corporation

## About the role

Responsibilities:
- Design and own secure, scalable microservices in Node.js/TypeScript and React frontends; deliver end-to-end features and APIs (OpenAPI/REST).
- Architect and implement AI-powered features: LLM integrations, RAG pipelines, multi-step agentic workflows and prompt tooling.
- Lead architecture and implementation decisions; embed monitoring, testing and compliance checks into AI workflows and pipelines.
- Mentor engineers on best practices, prompt engineering, safe AI usage and production-grade deployments.
- Pilot new tooling, integrate governance and observability into CI/CD, and optimize for performance, cost and resilience.

Requirements:
- 5–7 years professional software engineering experience with strong experience in Node.js/TypeScript and React.
- Practical AWS serverless experience and familiarity with IaC (CDK, Terraform), Docker and CI/CD pipelines.
- Working knowledge of LLM concepts (hallucinations, prompt sensitivity), RAG systems and prompt engineering practices.
- Experience with SQL/NoSQL (PostgreSQL preferred), schema design and performance optimization.
- Strong security awareness (IAM, secrets management), observability experience and ability to balance innovation with governance.

## Responsibilities

Design and deliver secure, scalable microservices and AI-powered features including LLM integrations and agentic workflows. Lead technical decisions, mentor peers on engineering excellence, and implement AI-augmented development practices.

## Requirements

Requires 5-7 years of professional software engineering experience with proficiency in Node.js, TypeScript, and React. Must have a strong understanding of LLM concepts, AWS serverless patterns, and database optimization.

## FAQ

- **Is this Senior Software Engineer (Node.js, React) role still open?** It was posted on 2026-07-20. Listings more than 30 days old may no longer be active, so check Diligent Corporation's site before applying.
- **Does Diligent Corporation offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Diligent Corporation's site.
- **Where is this role located?** The listing gives the location as Hungary. It is marked on-site.
- **What skills does this role ask for?** The listing names: Node.js, React, TypeScript, AWS Serverless, LLM Integration, RAG Systems, Prompt Engineering, PostgreSQL, Docker, CDK, Terraform, CI/CD, RESTful APIs, Microservices, Agentic Workflows, Software Architecture.

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