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Переводчики и ин.языки

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331 объявление найдено за последние 3 дня

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4 июня 03:22

3 июня 20:10

3 июня 18:02

4 июня 15:46

4 июня 10:53

США, Майами

Job Title: Senior Backend Developer (Fintech) – Spring Boot, Microservices, eWallet/Bank Integrations Job Description: We are a fast-growing Fintech company looking for an experienced Backend Developer to join us on a contract/freelance basis. You will be working on a mission-critical platform that handles digital wallets, payment processing, and bank integrations. You must have a proven track record of at least 5 years of hands-on experience in Fintech environments – not just general backend development. If you have built or maintained eWallet systems or integrated with core banking systems, we want to talk to you. Scope of Work: Design, develop, and deploy Spring Boot microservices for high-transaction financial systems. Integrate with multiple banks (via REST APIs, SOAP, or file-based protocols) for account validation, balance checks, and fund transfers. Build and maintain eWallet systems (user wallets, transactions, holds, reconciliations). Work with Oracle Database (PL/SQL, performance tuning, complex joins, transaction isolation levels). Implement Fintech-specific workflows (KYC/AML checks, dispute handling, ledger entries, settlement & reconciliation). Ensure security best practices: encryption at rest/in transit, PCI-DSS awareness, OAuth2/JWT, and audit logging. Write unit/integration tests and participate in code reviews. Required Experience (Must-Haves): 5+ years of backend development, with at least 3 years specifically in Fintech (banks, payments, wallets, exchanges, or lending). Spring Boot / Spring Cloud (microservices patterns: service discovery, API gateway, circuit breakers). Oracle Database (stored procedures, indexes, partitioning, working with financial data consistency). Hands-on experience with bank integrations. eWallet integration (balance management, transaction idempotency, virtual ledger). Strong understanding of financial development workflows (double-entry accounting, reconciliation, reporting, settlement cycles). Version control (Git), Maven/Gradle, Docker/Kubernetes (nice to have). Project Details: Duration: 6–12 months (with potential for extension). Commitment: 30–40 hours/week for 5 hours/day). Budget: Please state your monthly or hourly rate in your bid. Deliverables: Documented microservices source code (GitHub/GitLab private repo access). API documentation (OpenAPI/Swagger). Database schema migration scripts. Integration test suite covering bank/eWallet flows. Deployment guide. How to Win This Project (Selection Criteria): When you bid, please include ALL of the following in your proposal: A short summary of your Fintech projects (name the companies or apps you’ve worked on – anonymize if needed). Which banks/payment gateways you have integrated before. Your experience with Oracle in a financial context (e.g., managing high-volume transactions, handling concurrency). Your hourly rate and monthly availability. One example of a challenge you solved in a microservices + banking integration (e.g., idempotency, duplicate transaction avoidance, or reconciliation mismatch). Note: you must be able to communicate clearly in written and spoken English.

4 июня 08:14

4 июня 12:25

Грузия, Батуми

5 июня 12:45

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