Vladyslav S.

@vlad_stupak
5.0(1)

n8n Developer, Backend Engineer, Custom Code Nodes, Self hosted

Ukraine
English, Ukrainian, Russian
About me
I build n8n automations that don't break in production — and when n8n hits its limits, I write the code to push past them. 6+ years backend engineering (Java, including projects for BMW and Mercedes). Now focused on n8n: self-hosted setups, custom code nodes, AI agent workflows. What's different: I write actual code (JS/TS/Java), set up proper Docker and monitoring, and every workflow ships with error handling most freelancers skip. Part of "Thanks, Robot studio" — team backup for bigger projects. Response under 2h, EU business hours.... Read more

Skills

v
vlad_stupak
Vladyslav S.
Offline • 
Average response time: 1 hour

See my services

Automations & Agents
I will fix or rescue your broken n8n workflow within 24 hours
5.0(1)
From$55 / projectMore details
Automations & Agents
I will build production ready n8n automation with custom code nodes
From$40 / projectMore details

Portfolio

Work experience

Java Developer

ADSS • Full-time

Oct 2020 - Apr 2026 • 5 yrs 6 mos

Java backend engineering for enterprise leasing systems. Core responsibilities: - Developing and maintaining microservices (Java, Spring Boot, PostgreSQL) - Designing and building REST APIs for internal systems and third-party integrations - Integrating payment systems and external financial services - Recently expanded into AI-powered business process automation using n8n, Make, and OpenAI APIs Transferable to automation projects: strong foundation in reliable API integrations, error handling, and production-grade deployments — exactly what separates workflows that survive production from those that break weekly.

NIX_Solutions

Java Developer

NIX Solutions • Full-time

Apr 2019 - Nov 2020 • 1 yr 7 mos

Java backend development for enterprise clients across multiple industries. Worked on microservices architecture, third-party API integrations, and database-heavy applications. Relevant to automation: hands-on experience integrating dozens of external systems — same pattern applied when connecting n8n workflows with business-critical APIs.

digicube

Java Developer

digicube • Full-time

Dec 2018 - Apr 2019 • 4 mos

Short-term Java backend development engagement. Contributed to production services and integrations during rapid team scaling. Note: brief tenure — moved to NIX Solutions for stronger long-term fit.

1 Reviews
5.0

(1)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-1 out of 1 Reviews
Sort By
Most relevant
    R

    riwajsharma

    Repeat Client

    NP

    Nepal

    5

    He is Best And Very Understanding Issue Faster Glad to work with him , He has done my work smoothly

    Up to $50

    Price

    1 day

    Duration

    gig

    Automations & Agents

    Helpful?
    Yes
    No