{"id":2924451,"url":"https://alion.io/job/wissen-technology-senior-java-developer-3","title":"Senior Java Developer","company":{"id":412,"name":"Wissen Technology","domain":"wissen.com","url":"https://alion.io/company/wissen-technology","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zoho Recruit","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","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":{"min_usd":17000,"max_usd":40000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":159},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Gradle","optional":false},{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"Maven","optional":false},{"name":"MySQL","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-07-15T00:00:00Z","employer_posted_date":"2026-07-15","last_verified_at":"2026-10-23T21:03:02Z","board_verified":true,"closed_at":null,"days_open":101,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":100},"description":"Wissen Technology is hiringfor Senior Java Developer\nAbout Wissen Technology:\nAt Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset-ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge,cutting-edgetechnologyexpertise, and a relentless focus on quality. Wedon’tjust meet expectations-we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with clientobjectives. We have a proventrack recordof building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile podsprovideclients withthe flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact-the first time, every time.\nJob Summary:\nWe are looking for a Senior Java Developer with strongexpertisein Java, Spring, Spring Boot, Hibernate, and SQL. The ideal candidate should have experience in designing, developing, andoptimizingenterprise applications, with a focus on database query optimization and application performance tuning.\nExperience:8 - 12Years \nLocation:Bangalore\nMode of Work:Full Time\nEducation:B.Tech/M.Techin Computer Science or related field\nKey Responsibilities:\nDesign, develop, andmaintainenterprise applications using Java, Spring, Spring Boot, and Hibernate.\n\nDevelop and consume RESTful APIs and microservices.\n\nWrite,optimize, and troubleshoot complex SQL queries and database objects.\n\nAnalyze and improve application and database performance through query optimization, indexing, and performance tuning.\n\nParticipate in code reviews, technical design, debugging, and production support.\n\nCollaborate with cross-functional teams in an Agile environment.\n\nRequired Skills\n8-12 years of experience in Java application development.\n\nStrong hands-on experience with Java, Spring, Spring Boot, and Hibernate/JPA.\n\nProficiencyin SQL and relational databases (Oracle, SQL Server, PostgreSQL, or MySQL).\n\nExperience in SQL query optimization, indexing, execution plan analysis, and database performance tuning.\n\nKnowledge of REST APIs, Microservices, Maven/Gradle, Git, and JUnit.\n\nFamiliarity with CI/CD tools and Agile methodologies.\n\nWissen Sites:\nWebsite:www.wissen.com\n\nLinkedIn:https://www.linkedin.com/company/wissen-technology\n\nWissen Leadership:https://www.wissen.com/company/leadership-team/\n\nWissen Live:https://www.linkedin.com/company/wissen-technology/posts/feedView=All\n\nWissenThoughtLeadership: https://www.wissen.com/articles/","description_format":"text","description_chars":3302,"description_truncated":false,"requirements":{"experience_years_min":8,"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":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-20T13:05:44Z"}],"visa":[],"liveness":{"score":16,"band":"cold","label":"Long shot","p_open":1,"p_active":0.571,"p_room":0.28,"age_days":100,"expected_fill_days":30,"reasons":["conf:3","velocity","win:tail","crowd:"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/wissen-technology-senior-java-developer-3","json_url":"https://alion.io/job/wissen-technology-senior-java-developer-3.json","meta":{"generated_at":"2026-10-24T00:28:53Z","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 call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":702,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":412},"rest":"https://alion.io/mcp/rest/get_company?id=412"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwissen-technology-senior-java-developer-3"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fwissen-technology-senior-java-developer-3"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fwissen-technology-senior-java-developer-3"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/wissen-technology-senior-java-developer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwissen-technology-senior-java-developer-3"}]}