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Senior Backend Engineer
Job Location:
Job Location:
Sunnyvale, CA - USA
Monthly Salary:
Not provided by the employer
Monthly Salary:
Posted:
28 May 2026 (30+ days ago)
Posted:
Application Deadline:
25 August 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Hi
Greetings form the Conch technologies
Senior Backend Engineer
12-month contract
Location: Bay Area onsite hybrid (must be local)
Project: Backend platform engineering on a high-volume transactional system. Correctness- and idempotency-sensitive work.
Must-have (4):
7 years Java backend production scale
Kafka Flink in production
Card payments / card processing experience - auth clearing settlement lifecycle and reconciliation
GraphQL AWS (ECS/EKS SQS/SNS S3 RDS/DynamoDB)
Nice to have:
Micronaut framework
Fragment / Modern Treasury / double-entry ledger experience
Python for tooling
