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Company OverviewOur client is a leading, fully regulated US-based digital asset trading platform.
They provide secure, low-latency access to cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.Company OverviewOur client is a leading, fully regulated US-based digital asset trading platform.
They provide secure, low-latency access to cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.About This RoleYou will be a part of the Engineering team and reports to our Manager, Engineering.
You will support the development of backend services and APIs that power customer's products.
Working under close guidance from experienced engineers, you will gain hands-on experience contributing to real-world systems while learning best practices in software development, scalability, and security.Key ResponsibilitiesSupport the development of backend services and APIs under direct supervision of senior engineersAssist with writing clean, maintainable, and well-documented code following team standardsHelp debug, test, and troubleshoot backend systems and servicesContribute to small tasks or components within larger projectsCollaborate with cross-functional teams including Frontend, Product, and DevOpsParticipate in code reviews and apply feedback to improve technical skillsAssist in writing unit tests and validating functionalityDocument technical processes and development workRequired QualificationsBachelor's degree in Computer Science or a related field; Currently pursuing is also an optionStrong theoretical knowledge of Java, at least 0.5 years of experiencePractical experience building and consuming RESTful APIs — HTTP methods, status codes, JSON, request/response handling, basic error handling.Working knowledge of databases — has written real SQL queries (SELECT, JOIN, WHERE,



GROUP BY) or used an ORM in production code; understands the difference between SQL and NoSQL at a basic level.Solid understanding of data structures and algorithms — arrays, hash maps, trees, basic Big-O analysis — sufficient to discuss simple coding problems and reason about correctness.Comfortable with Git in a team setting — branching, pull requests, code review, addressing feedback, resolving merge conflicts; has worked in a shared repository with at least one other developer.Hands-on experience writing unit tests for their own code (pytest, JUnit, Jest, or equivalent), and basic familiarity with how testing fits into a CI pipeline.Demonstrated ability to ship code to production — even small features or bug fixes — through a real review and deployment process; ability to clearly describe what they built, how it was reviewed, and how it was tested.Genuine interest in cryptocurrency, blockchain, or Web3 (self-taught is fine — owning crypto, reading, side projects, hackathons) and willingness to learn the regulated FinTech context;English level: Upper-intermediate or higher, sufficient for daily team communication and code review discussions.Bonus: exposure to Linux / command line, Docker basics, message queues (Kafka, RabbitMQ), cloud platforms (AWS, GCP), open-source contributions, hackathon participation, or an active public GitHub portfolio.We offer*:Adaptable working format - remote, office-based or flexibleA competitive salary and good compensation packagePersonalized career growthProfessional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)Active tech communities with regular knowledge sharingEducation reimbursementMemorable anniversary presentsCorporate events and team buildingsOther location-specific benefitsnot applicable for freelancers
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Postúlate en Kit Empleo: kitempleo.com.co/empleo/1b1wxl

📌 Junior Java Engineer (Medellín)
🏢 N-Ix
📍 Medellín