{"id":3443855,"url":"https://alion.io/job/algoleap-junior-full-stack-engineer-react-jsjavapython","title":"Junior Full Stack Engineer - React.js/Java/Python","company":{"id":3800168,"name":"Algoleap","domain":"algoleap.com","url":"https://alion.io/company/algoleap-technologies","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hyderabad, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":7500,"max_usd":20000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":43},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Hibernate","optional":false},{"name":"JavaScript","optional":false},{"name":"Jenkins","optional":false},{"name":"Jest","optional":false},{"name":"Jira","optional":false},{"name":"JUnit","optional":false},{"name":"Mockito","optional":false},{"name":"Node JS","optional":false},{"name":"npm","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"RabbitMQ","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"Java","optional":true},{"name":"Kotlin","optional":true}],"status":"live","first_seen_at":"2026-10-29T05:40:11Z","employer_posted_date":null,"last_verified_at":"2026-10-29T05:40:11Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"Overview of Position : \n\nWe are hiring a Junior Full-Stack Engineer with 5 - 7 years of hands-on experience to build, test, and maintain scalable web applications on a modern Java and React stack. In this role, you will work closely with senior engineers and cross-functional team members to develop responsive user interfaces, robust backend RESTful microservices, and efficient database solutions.\n\nTech Stack : \n\n- React, Java 17+, Python, Microservices, AWS/Azure, RDBMS, NoSQL\n\nKey Responsibilities : \n\n- Develop and maintain full-stack web applications using Java (Spring Boot) on the backend and React on the frontend.\n\n- Build responsive, intuitive user interfaces from UI/UX designs and wireframes.\n\n- Implement RESTful APIs, microservices, and database queries across relational (PostgreSQL, SQL Server) and NoSQL platforms.\n\n- Write clean, maintainable, and well-tested code following established engineering best practices.\n\n- Participate actively in peer code reviews, sprint planning, and daily Agile standups.\n\n- Write effective unit and integration tests using frameworks such as Jest, JUnit, and Mockito to ensure robust code quality.\n\n- Assist in troubleshooting, debugging, and resolving application bug reports and performance issues.\n\n- Work with CI/CD pipelines and deployment processes to release application updates in cloud environments (AWS/Azure).\n\n- Collaborate with senior engineers, product owners, and QA teams to deliver sprint goals on time.\n\nRequired Knowledge & Skills : \n\n- 2 - 3 years of hands-on software development experience with core focus on modern Java full-stack development.\n\n- Working proficiency with Java frameworks, specifically Spring Boot and Hibernate/JPA.\n\n- Hands-on experience building web application interfaces using React, JavaScript (ES6+), HTML5, CSS3, and Node.js/npm ecosystem.\n\n- Proficiency with Python for scripting, basic backend automation, or data handling tasks.\n\n- Understanding of microservices architecture principles and basic familiarity with messaging tools (e.g., Kafka or RabbitMQ).\n\n- Hands-on experience writing and optimizing SQL queries, working with relational databases (PostgreSQL/SQL Server) and NoSQL databases (MongoDB).\n\n- Basic experience with containerization technologies (Docker) and exposure to cloud platforms (AWS or Azure).\n\n- Familiarity with web application security fundamentals (e.g., CORS, JWT, OAuth 2.0 concepts).\n\n- Experience with automated testing tools (JUnit, Jest, React Testing Library) and commitment to writing testable code.\n\n- Familiarity with Git version control, branch management, and CI/CD tools (GitHub Actions, Jenkins, or Azure DevOps).\n\n- Familiarity with Agile development workflows using Jira or similar tools.\n\nSoft Skills : \n\n- Strong verbal and written communication skills with the ability to explain technical details clearly.\n\n- Proactive problem-solving mindset and eagerness to learn new tools and technologies.\n\n- Strong collaborative spirit and ability to work effectively within a multi-disciplinary team.\n\n- Good time-management skills and attention to detail when working on sprint 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