{"id":178974,"url":"https://alion.io/job/rakuten-consultant-java-backend","title":"Consultant - Java Backend","company":{"id":13251,"name":"Rakuten","domain":"rakuten.co.in","url":"https://alion.io/company/rakuten","size_band":"11-50","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":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Grafana","optional":false},{"name":"Hadoop","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Prometheus","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Spring Boot","optional":false}],"status":"live","first_seen_at":"2026-08-31T10:03:33Z","employer_posted_date":null,"last_verified_at":"2026-08-31T10:03:33Z","board_verified":false,"closed_at":null,"days_open":54,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":54},"description":"We are seeking a highly skilled and experienced Java expert to join our team as a Consultant - Java. In this role, you will be responsible for designing and implementing scalable, high-performance systems while driving technical excellence across the organisation. You will work closely with cross-functional teams to architect, design, and deliver robust solutions using cutting-edge technologies. This is a hands-on role that requires deep expertise in Java, system design, and modern software development practices.\nResponsibilities:\nArchitect and Design Systems: Lead the design and architecture of scalable, distributed, and high-performance systems using Java, Spring Boot, and microservices.\nHands-on Development: Write clean, efficient, and maintainable code in Java, ensuring adherence to best practices and design principles.\nSystem Design: Create detailed system designs, including high-level architecture, component diagrams, and data flow, to solve complex business problems.\nMicroservices Development: Design and implement microservices-based architectures, ensuring scalability, fault tolerance, and high availability.\nBig Data Integration: Work with big data technologies to design and implement data pipelines, processing frameworks, and storage solutions.\nDatabase Expertise: Design and optimise database schemas and queries for MongoDB and other NoSQL/relational databases.\nTechnical Leadership: Provide technical guidance and mentorship to engineering teams, ensuring adherence to design principles and coding standards.\nCollaboration: Work closely with product managers, stakeholders, and other engineering teams to understand requirements and deliver high-quality solutions.\nPerformance Optimisation: Identify and resolve performance bottlenecks in applications and systems.\nInnovation: Stay updated with the latest trends and advancements in technology, and recommend their adoption where appropriate.\nRequirements:\nProven Experience: Hands-on experience in Java development, with a strong focus on system design and architecture.\nJava Expertise: Deep understanding of Java, including multithreading, concurrency, and performance optimisation.\nSpring Boot: Extensive experience with Spring Boot and related frameworks for building enterprise-grade applications.\nMicroservices Architecture: Strong knowledge of microservices design patterns, RESTful APIs, and service orchestration.\nSystem Design: Expertise in designing scalable, distributed systems with a focus on high availability and fault tolerance.\nBig Data Technologies: Hands-on experience with Big Data tools and frameworks (e. g., Hadoop, Spark, Kafka, etc. ).\nMongoDB: Proficiency in working with MongoDB, including schema design, indexing, and query optimisation.\nDesign Principles: Strong understanding of software design principles, including SOLID, DRY, and design patterns.\nHands-on Coding: Ability to write high-quality, production-ready code and perform code reviews.\nProblem-Solving: Excellent analytical and problem-solving skills with a focus on delivering scalable solutions.\nCollaboration: Strong communication and interpersonal skills to work effectively with cross-functional teams.\nExperience with cloud platforms (e. g., AWS, Azure, GCP) and containerisation technologies (e. g., Docker, Kubernetes).\nFamiliarity with CI/CD pipelines and DevOps practices.\nKnowledge of event-driven architectures and messaging systems (e. g., RabbitMQ, Kafka).\nExperience with monitoring and logging tools (e. g., Prometheus, Grafana, ELK stack).","description_format":"text","description_chars":3529,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Marketplaces","Consumer Internet Groups"],"lifecycle":[{"event":"open","at":"2026-08-31T11:03:33Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 15 · green card filings: 1","filings_12m":15,"filings_prev_12m":6,"green_card_filings_12m":1,"median_offered_wage_usd":161563,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":6}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":0.4,"p_active":0.382,"p_room":0.55,"age_days":53,"expected_fill_days":49,"reasons":["seen:53","velocity","win:tail"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/rakuten-consultant-java-backend","json_url":"https://alion.io/job/rakuten-consultant-java-backend.json","meta":{"generated_at":"2026-10-25T01:16:44Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per 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