Senior Golang Developer Belgrade Engineering – Backend / Full-Time / On-site apply for this job About Unlimit
Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single, intelligent platform.
Across 17 offices globally, Unlimit bridges hyper-local expertise with a high-capacity financial network, giving companies the agility to expand across regions with operational confidence and speed. Driving the evolution of payments, Unlimit is transforming its infrastructure from human-operated fintech into AI-native financial infrastructure — where APIs are consumed by machines, integrations are negotiated by agents, and systems evolve continuously through intelligent automation. Our next users are not only humans. They are AI agents acting on behalf of humans and businesses.
Unlimit serves more than the needs of businesses today; we are building the nervous system for a borderless global economy.
We’re looking for a Senior Golang Developer to help us build the next generation of payment solutions, combining blockchain innovation with AI-powered development.
In this role, AI tools and copilots are part of your daily work — helping you with coding, testing, and optimization.
You’ll create systems that connect traditional payment rails with decentralized blockchain protocols, ensuring fast and secure transactions.
At Unlimit, AI isn’t just a tool — it’s part of how we build.
It helps our engineers focus on creativity and problem-solving, while automation handles repetitive work. Key Responsibilities:
Architect, build, and evolve high-performance blockchain-enabled payment applications, using AI copilots and agents to accelerate design, coding, and testing.
Create seamless bridges between traditional financial systems and decentralized protocols, ensuring transactions flow smoothly across rails with minimal latency.
Drive architectural decisions in collaboration with the team, applying AI-assisted modeling and analysis to validate scalability, security, and performance.
Continuously refine and optimize our systems by leveraging AI-driven monitoring, anomaly detection, and performance tuning.
Integrate emerging blockchain frameworks and smart contract designs, pairing them with AI automation to shorten development cycles.
Champion code quality and security by embedding AI-powered testing, static analysis, and vulnerability scanning into the development workflow.
Stay ahead of the curve through ongoing research into both blockchain innovations and AI development tools, ensuring our platform remains at the industry forefront.
Nearly 6 years of professional software development experience, with a proven track record of building high-quality, scalable applications.
3+ years of experience developing with Go (Golang) in a professional environment.
A strong understanding of microservice architecture and experience designing, developing, and debugging RESTful web services.
Comfortable and proficient in building software with the assistance of AI agents or AI copilots.
You are a proactive problem-solver who takes initiative, thrives on complex challenges, and is dedicated to delivering exceptional results.
Ability to communicate effectively in English, collaborating with both technical and non-technical stakeholders to achieve shared goals.
Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief. Join Unlimit Team now!
Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. apply for this job
Qualifications: Full-Time, On-site, Senior level, Nearly 6 years software development experience, 3+ years Go (Golang) experience, Microservice architecture, RESTful web services, AI agents, AI copilots, Blockchain, Payment applications, Decentralized protocols, Smart contracts, AI-assisted modeling, AI-driven monitoring, Anomaly detection, Performance tuning, AI automation, AI-powered testing, Static analysis, Vulnerability scanning, Proactive problem-solver, Takes initiative, Complex challenges, Delivering exceptional results, English communication, Collaboration
Unlimit
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Unlimit