Senior Software Engineer (Fintech Platform) (Argentina)

Felix; Quilmes; On-site; ARS 2,400,000 - 4,800,000; Full time

Job summary

JPMorganChase in Buenos Aires is seeking a Software Engineer III to join an agile team that designs and delivers trusted technology products.

You will architect data integration flows from Snowflake and external sources into Oracle/Elasticsearch, while contributing to backend development and data modeling to support scalable operations for hundreds of users.

Qualifications

• 5+ years of software engineering with data architecture and backend development.
• Strong data modeling and database design; complex schemas and performance tuning.
• Proficiency in Java and Python for production-grade development.
• Hands-on Snowflake experience; SQL and data warehousing patterns.
• Oracle or PostgreSQL expertise; indexing strategies and query plan analysis.
• Experience building production data pipelines with data quality and monitoring.
• REST API design and development experience.
• Spring Boot or similar Java backend framework.
• Familiarity with SDLC and Agile methodologies.
• Strong communication with technical and business stakeholders.

Responsibilities

• Design and implement data ingestion pipelines from Snowflake, ServiceNow APIs, and external sources into Oracle with Elasticsearch indexing.
• Architect schemas and data models optimized for query performance and feature requirements.
• Own data quality, observability, and performance including freshness checks and monitoring.
• Provide data accessibility via REST APIs and MCP Server interfaces for AI/LLM use.
• Develop backend services using Java (Spring Boot) and Python for analytics and AI features.
• Collaborate with Data Scientists on vectorization strategies and data prep for LLM usage.
• Leverage enterprise AI tools to accelerate development while ensuring security and quality.
• Create documentation, runbooks, and support processes; participate in production deployments and triage.

Skills

Java

Python

Data modeling

Data pipelines

REST API

Spring Boot

Agile

SQL

AI/ML data prep

Spark

Tools

Snowflake

Oracle

Elasticsearch/OpenSearch

Hibernate Search

Jenkins

GitHub Actions

Job description

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.

As a Software Engineer III at JPMorganChase you serve as a seasoned member of an agile team to design and deliver trusted market‑leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives.

Enigma is an AI‑powered incident analytics platform that transforms ITSM data into actionable insights for operational intelligence. We're seeking a Software Engineer III to architect and own our data integration strategy—designing how operational data flows from Snowflake and external sources into our Oracle/Elasticsearch platform. This role requires a well‑rounded engineer who excels at data modeling and pipeline design while contributing to backend development. You'll balance building robust data foundations with delivering features that leverage AI/ML capabilities to serve hundreds of users across the organization.

Job responsibilities

• Design and implement data ingestion pipelines from Snowflake, ServiceNow APIs, and external sources into Oracle database with Elasticsearch indexing
• Architect schemas, transformation logic, and data models that optimize for query performance, search relevance, and feature requirements
• Own end‑to‑end data quality, observability, and performance: freshness checks, schema validation, monitoring/alerting, and clear SLAs
• Establish data accessibility standards via REST APIs and MCP Server interfaces for AI/LLM consumption
• Develop backend services using Java (Spring Boot) and Python to support analytical and AI‑powered features
• Collaborate with Data Scientist on vectorization strategies and data preparation for LLM‑based summarization and semantic search
• Leverage enterprise‑authorized AI tools (Copilot, Claude Code) to accelerate development while maintaining code quality and security standards
• Create documentation, runbooks, and support processes; participate in production deployments and incident triage

Required qualifications, capabilities, and skills

• 5+ years software engineering experience with demonstrated expertise in data architecture and backend development
• Strong data modeling and database design skills - complex schemas, query optimization, performance tuning
• Proficiency in Java and Python - production‑grade development in both languages
• Hands‑on Snowflake experience - SQL, data warehousing patterns, cost/performance optimization
• Oracle or PostgreSQL expertise - indexing strategies, stored procedures, query plan analysis
• Experience building production data pipelines with data quality frameworks and monitoring
• REST API design and development experience
• Spring Boot or similar Java backend framework
• Solid understanding of Software Development Life Cycle and agile methodologies
• Strong problem‑solving and communication skills with both technical and business stakeholders

Preferred qualifications, capabilities, and skills

• Elasticsearch or OpenSearch - indexing strategies, query DSL, vector search capabilities
• Experience with AI/ML data preparation, vectorization, or LLM integration
• Familiarity with ITSM/ServiceNow datasets
• Experience building MCP servers or similar integrations connecting AI applications to data sources
• Python data libraries (pandas, numpy)
• Hibernate Search or ORM‑based search frameworks
• CI/CD tools (Jenkins, GitHub Actions)
• Angular or modern frontend frameworks

Buenos Aires, Buenos Aires, Argentina

Full time

R