Senior Backend Engineer

Department: Outsourcing Services

Location: Skopje, Nis, Novi Sad, Banja Luka, Sarajevo, Zagreb, Belgrade, Podgorica

Employment Type: FullTime

At IT Labs, we work with premier global consulting organizations to help Tier 1 banks and insurance companies transform operations through AI, automation, and advanced analytics, with a special focus on Anti-Financial Crime. Our client's expertise includes AI-driven fraud prevention, Anti-Money Laundering (AML), and Know Your Customer (KYC) solutions—designing and implementing intelligent systems that enhance detection, automate investigations and due diligence, boost efficiency, and help institutions stay ahead of regulatory change.

You’ll work at the intersection of business transformation, data science, AI engineering, cloud technologies, and financial services, tackling complex challenges with innovative technology for banking and insurance clients across Europe.

Help enable leading consulting organizations to deliver advanced solutions to top global banks and insurers—as they use AI to safeguard millions of customers and vast financial assets. If building intelligent, secure and scalable systems that shape the future of enterprise AI excites you, we want you on our team.

Responsibilities

• Design and build highly scalable, resilient, and secure microservices, as well as RESTful/GraphQL APIs

• Integrate business databases, third-party services, and legacy platforms with advanced AI engines

• Optimize backend service latency and resource allocation for real-time AI model hosting and inference

• Implement enterprise-grade authentication, role-based access control (RBAC), and rate-limiting protocols

• Establish and uphold coding standards, write comprehensive integration tests, and conduct code reviews

• Partner with AI engineers to deploy model weights/microservices within unified Docker environments

• Integrate applications with cloud-hosted services and APIs (AWS/Azure experience strongly preferred)

Required Skills & Experience

• 5–10 years of experience in backend/platform engineering

• Strong proficiency with Python and/or Node.js

• Expertise in building scalable, resilient, and secure cloud applications (AWS required; Azure a plus)

• Experience designing/implementing authentication, RBAC, and security best practices

• Hands-on experience with Git, CI/CD pipelines, and automated testing

• Prior engagement in large-scale enterprise environments and mission-critical systems

• Excellent communication skills in English

Nice to Have

• Experience in fintech or financial services

Working Conditions

• Full-time (40 hours/week)

• Individual Contract or B2B arrangement

• Paid Time Off (PTO) provided

• Remote/Hybrid work

Our values

We are a company that seeks the best for both our employees and clients, reaching beyond expectations in turning dreams into reality. Our way of working is rooted in our core values (Integrity, Excellence, Proactivity, Innovation, and People), with an expectation that our future colleagues will make these their second nature in their everyday work and life. We don’t ask for perfection, but we do appreciate people motivated to better themselves in every conceivable aspect.

About IT Labs

Founded in 2005, IT Labs is an international software tech company, specializing in purpose and process-driven teams for high-performance, innovation, transformation, and efficiency. Our HQ is in Palm Beach Gardens, Florida, and we have teams around the world - the UK, the Netherlands, Brazil, Argentina, Serbia, Croatia, BIH, Montenegro, North Macedonia, and the Middle East. We are constantly growing, and we would love for you to become part of our team!