{"company":{"id":2459,"name":"Fiserv","domain":"fiserv.com","url":"https://alion.io/company/fiserv"},"answer":"As of Nov 12, 2026, Alion lists 10 companies most like Fiserv: FIS, Jack Henry, ACI Worldwide, Dock, Mastercard, Visa, Zeta, American Express Technology, Finastra and Unlimit.","highlights":["Fiserv itself has 344 open roles on Alion.","Of them, Mastercard is hiring the most, with 762 open roles.","Zeta has raised the most venture funding on record: $250M.","Open roles at Unlimit fell the most: from 54 on Oct 12, 2026 to 47 now."],"as_of":"2026-11-12","cite":"Alion, \"Fiserv competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 12, 2026. https://alion.io/company/fiserv/competitors","indexable":true,"target":{"name":"Fiserv","url":"https://alion.io/company/fiserv","domain":"fiserv.com","open_roles":344,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Milwaukee","country":"US"},"technologies":["CI/CD","AWS","SQL"],"hiring_countries":["US","IN","IE"],"similarity":null},"competitors":[{"name":"FIS","url":"https://alion.io/company/fis","domain":"fisglobal.com","open_roles":393,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Jacksonville","country":"US"},"technologies":["SQL","AWS","CI/CD"],"hiring_countries":["US","IN","GB"],"similarity":{"score":22.42,"shared_segments":["Financial Software & Embedded Finance","Payment Processing & 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Worldwide","url":"https://alion.io/company/aci-worldwide","domain":"aciworldwide.com","open_roles":89,"open_roles_change":null,"funding":{"total_raised_usd":1093930,"last_round":"venture","last_round_usd":1093930,"last_round_date":"2016-11-18","lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Miami","country":"US"},"technologies":["Azure","CI/CD","Java"],"hiring_countries":["US","IN","IE"],"similarity":{"score":21.67,"shared_segments":["Financial Software & Embedded Finance","Payment Processing & Gateways"],"shared_technologies":["Python","JavaScript","Java","TypeScript","SQL"],"same_hq_country":true}},{"name":"Dock","url":"https://alion.io/company/dock","domain":"dock.tech","open_roles":18,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":null,"headquarters":{"city":"São Paulo","country":"BR"},"technologies":["SQL","Databricks","Python"],"hiring_countries":["BR"],"similarity":{"score":21.65,"shared_segments":["Financial Software & Embedded Finance","Cards & Card Issuing","Payment Processing & Gateways"],"shared_technologies":["Python","JavaScript","Java","TypeScript","SQL"],"same_hq_country":false}},{"name":"Mastercard","url":"https://alion.io/company/mastercard","domain":"mastercard.com","open_roles":762,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"Purchase","country":"US"},"technologies":["CI/CD","SQL","Python"],"hiring_countries":["US","IN","CA"],"similarity":{"score":20.92,"shared_segments":["Cards & Card Issuing","Payment Processing & 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Gateways"],"shared_technologies":["Python","JavaScript","Java","TypeScript","SQL"],"same_hq_country":true}},{"name":"Zeta","url":"https://alion.io/company/zeta-tech","domain":"zeta.tech","open_roles":27,"open_roles_change":null,"funding":{"total_raised_usd":250000000,"last_round":"series_c","last_round_usd":250000000,"last_round_date":"2021-05-24","lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"San Francisco","country":"US"},"technologies":["AWS","Python","AI Agents"],"hiring_countries":["IN","US"],"similarity":{"score":20.87,"shared_segments":["Financial Software & Embedded Finance","Cards & Card Issuing"],"shared_technologies":["Python","JavaScript","Java","TypeScript","SQL"],"same_hq_country":true}},{"name":"American Express Technology","url":"https://alion.io/company/american-express-technology","domain":"americanexpress.io","open_roles":0,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"5000+","headquarters":{"city":"New York","country":"US"},"technologies":["Python","AI Agents","SQL"],"hiring_countries":[],"similarity":{"score":20.67,"shared_segments":["Cards & Card Issuing","Payment Processing & 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Gateways"],"shared_technologies":["Python","JavaScript","Java","TypeScript","SQL"],"same_hq_country":false}},{"name":"Unlimit","url":"https://alion.io/company/unlimit","domain":"unlimit.com","open_roles":47,"open_roles_change":{"since":"2026-10-12","from":54,"to":47,"pct":-13},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"London","country":"GB"},"technologies":["AWS","AI Agents","CI/CD"],"hiring_countries":["RS","CY","HK"],"similarity":{"score":20.3,"shared_segments":["Payment Processing & Gateways","Financial Software & Embedded Finance","Cards & Card Issuing"],"shared_technologies":["Python","JavaScript","Java","SQL","PostgreSQL"],"same_hq_country":false}}],"method":"Ranked by Alion's similar-companies engine (the MCP tool similar_companies): shared industry segments and the overlap of the two segment sets, technologies named in both companies' job postings, the same headquarters country, a size band near it. Open roles are the visible postings on Alion today; their change is shown only for boards that state posting dates.","html_url":"https://alion.io/company/fiserv/competitors","json_url":"https://alion.io/company/fiserv/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-12T23:33:32Z","generated_at":"2026-11-15T20:44:57Z"}}