Application Support Engineer II — KYC/KYB (Multilingual)

Concentrix; Województwo wielkopolskie; On-site; PLN 120,000 - 180,000; Full time

Job summary

Concentrix in Poland is seeking an Application Support Engineer II (TCF) to deliver L1/L2 production support for KYC/KYB and iXHero applications. You will monitor, troubleshoot, and resolve incidents across API, cloud, and AI environments while coordinating with global teams.

Fluency in French, English and Portuguese is required; Spanish is a plus. You will use Python/PowerShell, SQL, and MongoDB to diagnose issues, implement automations, and improve system reliability.

Qualifications

• Fluency in French, English & Portuguese required; Spanish is a plus.
• 3–5 years of L1/L2 production support and SLA-driven incident management.
• Knowledge of monitoring tools (Azure Application Insights, AWS CloudWatch, Grafana).
• Strong understanding of REST APIs, HTTP status codes, JWT, OAuth.
• Experience troubleshooting microservices, cloud environments, performance, availability and connectivity.
• Working knowledge of AI/GenAI concepts, including RAG, LLM gateways, token usage and Responsible AI.
• Ability to use Python or PowerShell for log analysis, API testing, data validation and automation.
• Strong analytical and communication skills; able to work under pressure.
• Ability to work on rotating or fixed shifts.

Responsibilities

• Provide L1/L2 production support for KYC/KYB and iXHero applications.
• Monitor application and infrastructure health to identify production issues.
• Troubleshoot logs, APIs, authentication, data, integrations, AI, and cloud issues.
• Diagnose performance, availability, connectivity, and infrastructure incidents.
• Own incidents from triage through escalation, resolution, and closure.
• Perform production health checks, release validation, and RCA documentation.
• Use Python/PowerShell, SQL/MySQL, and MongoDB for troubleshooting and automation.
• Coordinate updates in Jira and communicate clearly with technical and business teams.
• Complete all assigned, mandatory training within the timeframe provided.
• Conduct and/or participate in regularly scheduled 1:1 meetings with your direct manager and/or direct reports.

Skills

L1/L2 support

Incident management

API troubleshooting

Python

PowerShell

SQL

MongoDB

Team collaboration

Analytical thinking

Tools

Azure Application Insights

AWS CloudWatch

Grafana

Job description

Concentrix in Poland is seeking an Application Support Engineer II (TCF) to deliver L1/L2 production support for KYC/KYB and iXHero applications. You will monitor, troubleshoot, and resolve incidents across API, cloud, and AI environments while coordinating with global teams.

Fluency in French, English and Portuguese is required; Spanish is a plus. You will use Python/PowerShell, SQL, and MongoDB to diagnose issues, implement automations, and improve system reliability.