N-iX
Tech / AI / Software
JuniorJavaEngineer
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optimal for Entry candidates.
“Junior Java Engineer at N-iX. Skills: Java, backend services, APIs, RESTful APIs, SQL, data structures, algorithms, Git, unit tests. Support the development of backend services and APIs. writing clean, maintainable, and well-documented code”
Industry & Context.
Help debug, test, and troubleshoot backend systems and services; reason about correctness
What They're Looking For.
Must Have
theoretical knowledge of Java, Practical 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, 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, Comfortable with Git in a team setting — branching, pull requests, code review, addressing feedback, resolving merge, Hands-on experience writing unit tests for their own code (pytest, JUnit, Jest, or equivalent), 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, ability to clearly describe what they built, how it was reviewed, and how it was tested, Genuine interest in cryptocurrency, blockchain, or Web3, willingness to learn the regulated FinTech, English level: Upper-intermediate or higher, sufficient for daily team communication and code review discussions
Nice to Have
exposure to Linux / command line, Docker basics, message queues (Kafka, RabbitMQ), cloud platforms (AWS, GCP), open-source contributions, hackathon participation, an active public GitHub portfolio
What You'll Do.
Support the development of backend services and APIs
and well-documented code
and troubleshoot backend systems and services
Contribute to small tasks or components within larger projects
Participate in code reviews
apply feedback to improve technical skills
Assist in writing unit tests
validating functionality
Document technical processes and development work
How You'll Work.
Team & Collaboration
Collaborate with cross-functional teams including Frontend, Product, and DevOps; Participate in code reviews; apply feedback to improve technical skills; Git in a team setting — branching, pull requests, code review, addressing feedback, resolving merge; worked in a shared repository with at least one other developer
Communication Scope
English level: Upper-intermediate or higher, sufficient for daily team communication and code review discussions
Full Job Description
Company Overview Our 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 Role You 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 Responsibilities Support the development of backend services and APIs under direct supervision of senior engineers Assist with writing clean, maintainable, and well-documented code following team standards Help debug, test, and troubleshoot backend systems and services Contribute to small tasks or components within larger projects Collaborate with cross-functional teams including Frontend, Product, and DevOps Participate in code reviews and apply feedback to improve technical skills Assist in writing unit tests and validating functionality Document technical processes and development work Required Qualifications Bachelor's degree in Computer Science or a related field; Currently pursuing is also an option Strong theoretical knowledge of Java, at least 0.5 years of experience Practical 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, p
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