API Developer

Genpact; Andalucía; Presencial; EUR 70.000 - 90.000; Jornada completa

Descripción de la vacante

A leading technology solutions provider in Spain is seeking a Senior Principal Consultant – AI-Native API Developer (Backend Lead) to lead the delivery of complex software projects. The role involves managing API services in Payments and Collections, designing RESTful APIs, and implementing security measures. Ideal candidates should have over 7 years of experience in backend engineering, strong skills in Java and Python, and experience in LLMOps. Join a dynamic team dedicated to pushing the boundaries of technology.

Servicios

Dynamic work environment

Equal Opportunity Employer

Career development opportunities

Formación

• Proven domain experience in Payments or Cash Management.
• Strong expertise with APIs and secure authentication methods.
• Proficiency in English and Spanish.

Responsabilidades

• Lead planning and execution of software transformation projects.
• Own API services lifecycle with collaboration among engineers.
• Design and document RESTful APIs using OpenAPI 3.1.

Conocimientos

Experience with vector DBs, RAG, LangChain or equivalent

Familiarity with Confluent Platform and schema evolution

Experience in LLMOps and prompt engineering

Educación

7+ years in backend/API engineering

Herramientas

Java (Spring Boot)

Python (FastAPI)

Apache Kafka

PostgreSQL

Redis

Kubernetes

Descripción del empleo

Ready to build the future with AI?

At Genpact, we don’t just keep up with technology—we set the pace. AI and digital innovation are redefining industries, and we’re leading the charge. Genpact’s AI Gigafactory, our industry-first accelerator, is an example of how we’re scaling advanced technology solutions to help global enterprises work smarter, grow faster, and transform at scale. From large‑scale models to agentic AI, our breakthrough solutions tackle companies’ most complex challenges.

If you thrive in a fast‑moving, innovation‑driven environment, love building and deploying cutting‑edge AI solutions, and want to push the boundaries of what’s possible, this is your moment.

Genpact (NYSE: G) is an advanced technology services and solutions company that delivers lasting value for leading enterprises globally. Through our deep business knowledge, operational excellence, and cutting‑edge solutions – we help companies across industries get ahead and stay ahead. Powered by curiosity, courage, and innovation, our teams implement data, technology, and AI to create tomorrow, today. Get to know us at genpact.com and on LinkedIn, X, YouTube, and Facebook.

Inviting Applications for the role of Senior Principal Consultant – AI‑Native API Developer (Backend Lead)

In this role, you will lead the planning, execution, and delivery of complex software or digital transformation projects. This role focuses on domain‑owned backend services (Payments, Collections, Cash Management) and ensures secure, observable, and AI‑augmented service delivery. The group is expanding to cater to the growing number of varied and exciting projects and customers. This is a varied role and offers an exciting opportunity for the right individuals to develop their career in the Professional Services organization of Genpact.

Responsibilities

• Own domain API services (Payments / Collections) and their lifecycle in collaboration with Platform / Global BaaS Engineers.
• Design and document RESTful APIs using OpenAPI 3.1 (and AsyncAPI for event flows).
• Implement secure authentication and authorization: OAuth 2.1 (best‑practice flows), OpenID Connect (OIDC), mutual TLS (mTLS), and JWT handling. Integrate with Azure Key Vault and HashiCorp Vault for secret management.
• Build resilient microservices using Java 17+ (Spring Boot 3) and Python 3.11+ (FastAPI) where appropriate. TypeScript for backend utilities only (Node.js).
• Implement event‑driven business workflows with Apache Kafka (Kafka Streams), using a schema registry for Avro / JSON schema governance.
• Implement service mesh (e.g., Istio or Linkerd) for east‑west security, policy enforcement, and observability.
• Integrate vector databases and RAG pipelines for semantic enrichment in API responses where applicable.
• Apply LLMOps / AI governance practices: prompt / version control, data minimization, and audit logging for AI‑driven features.
• Build and maintain CI / CD pipelines (GitHub Actions), GitOps deployments with ArgoCD, manage IaC with Terraform and Packer.
• Instrument observability and AIOps: Datadog AI, Dynatrace Davis, Prometheus, ELK; integrate MAISA AI for proactive anomaly detection.
• Ensure compliance with PSD2, GDPR, DORA, and internal AI governance; collaborate with BA for policy and audit readiness.
• Mentor engineers, lead technical decisions, and liaise with Product Owners and Platform teams.

Minimum Qualifications

• Experience with vector DBs, RAG, LangChain or equivalent.
• Familiarity with Confluent Platform and schema evolution best practices.
• Experience in LLMOps, prompt engineering, and enterprise AI governance.

Preferred Qualifications / Skills

• 7+ years in backend / API engineering; proven domain experience in Payments or Cash Management.
• Strong expertise with Java (Spring Boot) and Python (FastAPI).
• Hands‑on experience with Kafka, schema registries, PostgreSQL, Redis.
• Deep understanding of OAuth 2.1, OIDC, mTLS, and enterprise secret management.
• Experience with Kubernetes (AKS), service mesh, Terraform, GitOps (ArgoCD).
• Familiarity with Datadog AI / Dynatrace and AI‑assisted observability.
• Experience with regulatory frameworks: PSD2, GDPR, DORA.
• Proficiency in English and Spanish (tested).

Core Tech Stack (standardized)

• Languages: Java 17+ (primary), Python 3.11+ (secondary), TypeScript (developer utilities)
• Frameworks: Spring Boot 3, FastAPI
• APIs: OpenAPI 3.1, AsyncAPI
• API Gateway / Management: Apigee Hybrid (primary), Azure API Management (regional)
• Messaging & Events: Apache Kafka, Confluent Schema Registry, Kafka Streams
• Datastores: PostgreSQL, Redis, Vector DB (e.g., Pinecone or Redis Vector)
• Infra & Orchestration: Docker, Kubernetes (AKS primary; GKE supported), Service Mesh (Istio / Linkerd)
• CI / CD & IaC: GitHub Actions, ArgoCD, Terraform, Packer
• Observability & AIOps: Datadog AI, Dynatrace Davis, Prometheus, ELK, MAISA AI
• Security: OAuth 2.1, OIDC, mTLS, Azure Key Vault, HashiCorp Vault

AI‑Native & Automation Practices

• Use GenAI‑assisted tooling (ChatGPT Enterprise, GitHub Copilot, Azure AI) under governed workflows for code scaffolding, unit‑test generation, and documentation.
• Integrate RAG and semantic caches for APIs where applicable; ensure PII‑safe retrieval and data lineage.
• Implement LLMOps processes: model & prompt versioning, test suites for hallucination control, and audit trails.

Come join the 140,000+ coders, tech shapers, and growth makers at Genpact and take your career in the only direction that matters: Up.

Let’s build tomorrow together.

Genpact is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military / veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. Genpact is committed to creating a dynamic work environment that values respect and integrity, customer focus, and innovation.

Furthermore, please do note that Genpact does not charge fees to process job applications and applicants are not required to pay to participate in our hiring process in any other way. Examples of such scams include purchasing a 'starter kit,' paying to apply, or purchasing equipment or training.