{"id":1521558,"url":"https://alion.io/job/ekfrazo-technologies-java-developer-payment-aggregation","title":"Java Developer - Payment Aggregation","company":{"id":3800102,"name":"Ekfrazo Technologies","domain":"ekfrazo.in","url":"https://alion.io/company/ekfrazo-technologies-private-limited","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":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chennai, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"MySQL","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring MVC","optional":false},{"name":"AWS","optional":true},{"name":"CI/CD","optional":true},{"name":"Git","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-09-30T11:51:06Z","employer_posted_date":null,"last_verified_at":"2026-09-30T11:51:06Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Role Overview : \n\nWe are looking for an experienced Java Developer with 4 - 6 years of hands-on experience in Payment Aggregation (PA), Payment Gateway (PG), and merchant payment systems.\n\nThe candidate should have strong knowledge of online and offline merchant transaction flows, including QR payments, Soundbox, UPI, POS and payment gateway integrations.\n\nThe role involves designing, developing, integrating, and supporting scalable payment services and APIs while working closely with product, business, operations, security, and external payment partners.\n\nKey Responsibilities : \n\n- Design, develop, and maintain backend applications using Java and Spring Boot.\n\n- Develop and integrate REST APIs for Payment Aggregator (PA) and Payment Gateway (PG) platforms.\n\n- Understand and implement end-to-end online and offline merchant payment flows.\n\n- Work on merchant payment journeys including online checkout, UPI, QR-based payments, POS transactions, Soundbox integration, merchant onboarding, transaction processing, webhook handling, and reconciliation.\n\n- Integrate with banks, UPI providers, payment processors, and third-party payment service providers.\n\n- Develop transaction processing APIs with appropriate validation, error handling, logging and security controls.\n\n- Troubleshoot production issues, transaction failures and integration issues with external vendors.\n\n- Participate in code reviews, technical discussions and solution design.\n\nTech Stack : \n\n- Core Java (Java 8/11/17+), Spring Boot, Spring MVC, REST APIs.\n\n- Microservices architecture, SQL (MySQL/Oracle).\n\n- JSON, XML, HTTP/HTTPS, API authentication.\n\n- Git, CI/CD, AWS (preferred).\n\nPayment Domain Skills : \n\n- Practical experience in Payment Aggregator (PA), Payment Gateway (PG), Merchant Acquiring, UPI, QR payments, Soundbox, and settlement/reconciliation.\n\nSkills\nJava, Spring Boot, Payment Gateway, RESTful, Microservices Architecture, MySQL, Spring MVC, REST API, Payment System, UPI Systems","description_format":"text","description_chars":1982,"description_truncated":false,"requirements":{"experience_years_min":4,"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":[],"lifecycle":[{"event":"open","at":"2026-09-30T12:00:00Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":24,"reasons":["seen:0","velocity","win:early"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ekfrazo-technologies-java-developer-payment-aggregation","json_url":"https://alion.io/job/ekfrazo-technologies-java-developer-payment-aggregation.json","meta":{"generated_at":"2026-10-02T00:55:07Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1003,"day_limit":5000,"remaining_today":3997,"minute_limit":60,"resets_at":"2026-10-03T00:00:00Z"}}}