Senior API

5 dni temu

remote, polska Emerge Soft Pełny etat

Bezpłatnie za pośrednictwem poczty elektronicznej lub Google

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As a Senior API & Integration Engineer, you will own the design and implementation of API orchestration and mediation layers bridging web/mobile apps, telecom networks (USSD/SMS), and core e-wallet engines. You will lead the cloud-native migration of legacy financial infrastructure to Kubernetes while building an AI integration layer for LLM workflows and vector databases.
What we are looking for:Deep mastery of backend development (Go, Java, Python, or C#) in high-throughput, low-latency financial or telecom systems.
Proven track record in API Architecture & Enterprise Integration Patterns (EIP), with hands-on experience using orchestration tools (Temporal, Camunda) or custom mediation layers.
Strong background in cloud migration (AWS/GCP/Azure), Kubernetes, Docker, and IaC (Terraform/OpenTofu).
Expertise in relational databases (PostgreSQL/MySQL) and event-driven streaming (Kafka/RabbitMQ).
Exposure to telecom protocols (USSD, SMSC) or enterprise e-wallet engines (Ericsson MFS, Huawei Mobile Money, Telepin) is a major plus.
Must-have:API Orchestration / REST APIJava / Go / PythonKubernetes & DockerCloud Architecture (AWS / GCP / Azure)PostgreSQL / MySQLNice-to-have:Enterprise Integration Patterns (EIP) / Temporal / CamundaApache Kafka / RabbitMQTerraform / OpenTofuLangChain / Vector DBs (pgvector)Telecom Protocols (USSD / SMSC) As a Senior API & Integration Engineer, you will own the design and implementation of API orchestration and mediation layers bridging web/mobile apps, telecom networks (USSD/SMS), and core e-wallet engines. You will lead the cloud-native migration of legacy financial infrastructure to Kubernetes while building an AI integration layer for LLM workflows and vector databases. ,(API Orchestration & Mediation: Design and implement intelligent mediation layers connecting modern web/mobile apps, telecom networks (USSD/SMS), and core e-wallet ledger engines., Cloud Migration & Architecture: Lead the backend re-architecting of core e-wallet infrastructure, breaking down monolithic systems into scalable, containerized microservices on Kubernetes., AI & LLM Workflows: Build the integration endpoints and application logic for AI capabilities, orchestrating LLM workflows, RAG pipelines, and vector databases into the fintech ecosystem., Fintech Security & Resilience: Write highly concurrent code featuring bulletproof transaction rollbacks (Saga pattern), circuit breakers, and fintech-grade security protocols (mTLS, OAuth2, PCI-DSS).)

Requirements:
Java, API Orchestration/REST API, Go, Python, Kubernetes and Docker, Cloud Architecture, PostgreSQL, MySQL, Enterprise Integration Patterns (EIP), Apache Kafka/RabbitMQ, Terraform/OpenTofu, Telecom Protocls (USSD, SMSC)

Senior API

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