🚀 Senior Engineer with 8+ Years Experience

Expert Data Engineering & Full-Stack Development

Senior software engineer specializing in NoSQL data platforms, ETL/ELT pipelines, and cloud-integrated solutions. Available for project work and team augmentation across Insurance, Healthcare, and Tax industries.

const solution = new RosalesSoftware();
 
solution.build({
  type: "data-platform",
  tech: ["MarkLogic", "NiFi"],
  cloud: "AWS"
});
8+
Years Experience
AWS
Certified Solutions Architect
15+
Technologies
48h
Onboarding Time

Specialized Software Engineering Services

From data engineering to full-stack development — I bring proven expertise in building scalable, high-performance solutions.

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Data Engineering & ETL/ELT Pipelines

Design and implement end-to-end ETL/ELT pipelines using Apache NiFi and NoSQL technologies. Expert in processing high-volume datasets with 99.9% data integrity through robust mapping and versioning solutions.

Apache NiFiApache KafkaMarkLogicCORB2
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NoSQL Database Solutions

Architect and optimize NoSQL data hubs using MarkLogic and MongoDB. Configure resilient distributed clusters with multi-node replication and fail-over strategies for 24/7 uptime in high-compliance industries.

MarkLogicMongoDBMSSQLPostgreSQL
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RESTful API Development

Design and deploy scalable RESTful APIs for real-time data consumption and updates. Integrate with Agile workflows, develop high-performance search APIs, and automate batch processing logic using XQuery and JavaScript.

RESTXQueryJavaScriptPython

Development Team Augmentation

Embed a senior engineer directly into your development team. Fill skill gaps in data engineering or full-stack development, hit deadlines, and scale capacity — without the overhead of long-term hiring.

Senior EngineerData EngineeringFull-StackAgile
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Cloud Architecture & Infrastructure

AWS Certified Solutions Architect with deep expertise in AWS/Azure infrastructure. Build high-availability production configurations, distributed cluster optimization, and cloud-native deployments.

AWSAzureDockerCloudWatch

CI/CD & Automation

Implement GitLab CI/CD pipelines for automated testing and deployment. Optimize distributed cluster configurations for high-concurrency document processing with focus on performance tuning and data reliability.

GitLab CI/CDAutomationPerformanceTesting

Augment Your Development Team

Need a senior engineer without the hiring overhead? I integrate directly into your workflows — speaking your language, using your tools, and delivering results.

Fast Onboarding

Ready to contribute within 48 hours of engagement start.

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Proven Expertise

8+ years architecting data platforms and full-stack solutions across Insurance, Healthcare, and Tax industries.

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Flexible Engagements

Part-time, full-time, or project-based — adapt as your needs change.

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AWS Certified Professional

AWS Certified Solutions Architect with multiple certifications including MarkLogic Professional and Selenium.

My Tech Stack

I work with the tools and frameworks that best fit your project — not a one-size-fits-all approach.

MarkLogic Apache NiFi Apache Kafka CORB2 XQuery JavaScript TypeScript Python Java C# SQL AWS (EC2, S3, Lambda, CloudWatch) Azure (DevOps, AIRAG) MongoDB PostgreSQL MSSQL Redis Docker GitLab CI/CD React.js Node.js Selenium Agile/Scrum

Let's Build Something Great

Whether you have a clear vision or just an idea — I'm ready to talk. Reach out and let's explore what's possible.

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Email

hello@rosalessoftware.com

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Location

United States — Remote & On-Site Available

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Response Time

Within 3 business days