Company Introduction- iServeU is a modern banking infrastructure provider in APAC region, empowering financial enterprises with embedded fintech solutions for their customers. iServeU is one of the few certified partners with National Payment Corporation of India (NPCI), VISA for various products. iServeU also provides a cloud-native, micro services-enabled, distributed platform with over 5000 possible product configurations with a low code/no code interface to banks, NBFCs, Fintech, and other regulated entities. • We process around 2500 transactions per second by levering distributed & auto scale technology like K8. • Our core platform combines of 1200+ micro services. • Our customer list includes Fintech start-ups, top tier private banks to PSU bank. We operate in five countries and help customers constantly change the way financial institutions operate and innovate. • Our solutions currently empowers over 20 banks and 250+ enterprises across India and abroad. • Our platform seamlessly manages the entire transaction lifecycle, including withdrawals, deposits, transfers, payments, and lending through various channels like digital, branch, agents. Our team of 500+ employees, with over 80% in technology roles is spread across offices in Bhubaneswar, Bangalore and Delhi. We have raised $8 million in funding to support our growth and innovation. For more details visit: www.iserveu.in About the Role Our Payment Hub sits between merchants and multiple payment providers. We want Platform Engineers who go beyond traditional infrastructure work and understand the whole system: application architecture, payment flows, APIs, integrations, infrastructure, networking, observability and production operations. You will design, build, deploy, operate and improve the platform alongside our backend and Rust engineers, with end-to-end ownership. The lifecycle you will work on: Merchant › API › Decision Engine › Routing › Gateway › Acquirer › Webhook › Reconciliation What You Will Own ● Platform for payment services: build the runtime, tooling and guardrails Payment Hub services depend on, in Rust / Go or Python. ● Gateway and acquirer operations: support provider connectors, provider health monitoring, automated failover and handling of provider-specific failures, timeouts and response codes. ● Kubernetes and cloud: deploy and operate services with Docker and Helm; manage ingress, networking, autoscaling, secrets, configuration, storage and resource limits on GCP / AWS / Azure. ● Observability: end-to-end visibility with OpenTelemetry, Prometheus, Grafana, Jaeger and ELK / OpenSearch so any transaction can be traced. ● Reliability engineering: high availability, health checks, failure detection, retry and timeout policy, capacity planning and incident response. ● CI/CD and developer platform: pipelines, safe deployment strategies (canary / blue-green), automated rollback and internal tooling that make Payment Hub engineers faster. ● Security: TLS and mTLS, HMAC, encryption, IAM, secrets management, API authentication and secure service-to-service communication. ● Front-End Technology: Have experience building scalable and efficient Front end .( Payment eco-systems preferred). Networking Depth Troubleshoot HTTP/HTTPS, TCP/IP, DNS, TLS, load balancing, NAT, VPC, firewalls, service discovery, ingress/egress and Kubernetes networking. Istio, Envoy or other service-mesh experience is a strong advantage. Requirements What You Bring (Must-Have) ● 3–8 years of software and platform engineering with strong fundamentals. ● Strong hands-on Kubernetes and cloud infrastructure experience running production workloads. ● Payment gateways, acquirers, orchestration ● Transaction state and payment failure handling ● Authorization / capture, refunds / reversals ● Webhooks and reconciliation ● PCI-DSS concepts and payment security ● Fintech or banking production exposure ● Strong Linux and networking fundamentals; Docker and CI/CD experience. ● Experience with distributed systems and microservices, including retries, idempotency, ordering and failure recovery. ● Programming experience in Go, Rust, Python, Java or similar, and the ability to read application code and work with backend engineers. ● Strong debugging ability across application, database, network and infrastructure layers. Good to Have (Tech) ● Rust and Go (Must have any one ) ● Helm, Terraform, GitOps ● PostgreSQL, Redis ● Kafka / RabbitMQ / NATS ● Istio, Envoy, OPA ● OpenTelemetry, Jaeger, Prometheus, Grafana ● Knowlegde with GCP is a Strong Plus