Senior Golang Engineer (CAF)

Medium; Warszawa; Remote; PLN 180,000 - 240,000; Full time

Job summary

A financial technology firm in Poland is seeking a Senior Golang Engineer to enhance fraud detection and compliance systems. The ideal candidate will have 4+ years of Golang experience, strong cloud-native systems skills, and a passion for tackling fraud in financial transactions. This role offers opportunities for remote or on-site work and encourages personal growth and professional development among its team members.

Benefits

Competitive salary with annual performance review

Continuous learning and career growth opportunities

Company-supported English classes

Compensation for professional training

Qualifications

• 4+ years of production Golang experience, particularly with microservices and concurrency.
• Strong background in cloud-native systems such as AWS and Kubernetes.
• Experience with SQL/NoSQL databases and distributed systems.

Responsibilities

• Design and optimize backend microservices for real-time transaction processing.
• Enhance fraud detection systems using machine learning.
• Integrate with third-party verification providers for KYC and transaction monitoring.

Skills

Production Golang experience

Cloud-native systems experience

SQL/NoSQL databases

Fraud prevention knowledge

Strong communication skills (English B2+)

Tools

AWS (EKS, Kafka, SQS)

Kubernetes

.NET

Python

Job description

Secure Global Money Transfers with Cutting-Edge Technology!

Join our mission to protect cross-border transactions, helping customers send money safely worldwide. As a Senior Golang Engineer in our Anti-Fraud & Compliance team, you'll architect high-performance systems that detect fraud and enforce regulatory compliance.

🚀 What You'll Do

• Design and optimize backend microservices for real-time transaction processing
• Enhance fraud detection systems using machine learning
• Integrate with third-party verification providers for KYC and transaction monitoring
• Scale our cloud-native platform on AWS (EKS, Kafka, SQS) with robust observability
• Collaborate with engineers and data scientists to improve fraud signals
• Own the full development lifecycle from design to incident response

🛠 Tech Stack

Backend: Golang, .NET, Python

Data & ML: Supervised learning models, ETL pipelines, search technologies

Cloud & Infrastructure: AWS (EKS, Kafka, SQS), Kubernetes, Prometheus/Grafana

We're Looking For

• 4+ years of production Golang experience (microservices, concurrency)
• Strong background in cloud-native systems (AWS, Kubernetes or other)
• Experience with SQL/NoSQL databases and distributed systems
• Knowledge of fraud prevention, fintech, or compliance is a plus
• Strong communication skills (English B2+)

It would be a plus

• Familiarity with .NET or Python
• Experience with ML systems or rule engines
• Passion for infrastructure and observability

What We Offer

• Remote b2b (Georgia) or on-site employment (Belarus-Moldova) work opportunity!
• Stable job with long‑term growth perspective.
• Competitive salary with annual performance review.
• Really good hardware.
• An exciting and challenging job with talented people around.
• Continuous learning and career growth opportunities.
• Compensation for professional training, seminars, and conferences.
• Referral program – get rewarded for helping us grow the team with talented people.
• Company-supported English classes to enhance your professional growth.
• More perks for the Minsk and Chisinau office employees.

IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and payment services and one of the largest international voice carriers. We are listed on the NYSE, employ over 1800 people across 20 countries, and have over $1.5 billion in revenues.

IDT is not ”another big IT corporation”— we encourage and support in‑house entrepreneurs in developing their ideas into business actions.

Our flagship brand, BOSS Revolution, offers Money Transfer, International Calling, and Mobile Top‑Up services and supports IDT’s mission of enabling people to keep in‑touch and share resources with family and friends worldwide.