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Robert K.
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Robert K.

Technical Architect | Senior Middleware Engineer | AI/ML Specialist

I am a US-based technical architect and senior middleware engineer with over 15 years of experience specializing in enterprise cloud-based environments. Throughout my career, I’ve had the privilege of working with Fortune 100 companies in the e-commerce, retail industries, and information services and analytics where I’ve led and contributed to e-commerce development, systems integration, DevOps, middleware, data science, and Salesforce projects. Expertise: Middleware Platforms: Specialized in Dell Boomi and Mulesoft with extensive experience building and designing integrations for Salesforce CRM, Zuora, NetSuite, Workday, SAP Fieldglass, Active Directory, Concur, and OpenAir. API Development: Expert in building APIs using Flask and working with Python 3 to deliver scalable, high-performance solutions. DevOps & Performance: Skilled in configuration management tools such as SaltStack, Ansible, and Puppet, as well as performance diagnostics tools like JMeter and HP Performance Center. Proficient in CI/CD pipelines with Jenkins, Bamboo, and AWS CodeBuild. Cloud & AWS: Strong experience with AWS services such as SageMaker, ECS Fargate, EC2 with NVIDIA GPUs, S3, Glue, Redshift, Bedrock, CodeCommit, and CodeBuild, for scalable, high-performance cloud solutions. Programming Languages: Proficient in Groovy, Java, C++, Python, with extensive experience writing efficient and scalable code. WordPress: Experience in WordPress system administration and plugin development. AI & Machine Learning: Predictive Analytics: Hands-on experience in predictive analytics and building models using XGBoost, scikit-learn, and Python for tasks such as forecasting and customer behavior prediction. Deep Learning: Proficient in building neural networks using Keras and TensorFlow, with a focus on applying these models to real-world problems such as financial forecasting and product recommendation systems. Natural Language Processing: Expertise in utilizing Huggingface models like BERT and GPT for various NLP tasks, including sentiment analysis, text classification, and named entity recognition. FAISS & RAG Workflows: Skilled in using FAISS combined with RAG workflows to build efficient similarity search systems, enhancing data retrieval and decision-making processes across platforms. Salesforce Development: Extensive experience developing solutions in Salesforce, including creating custom integrations, automating business processes, and enhancing Salesforce’s functionality using Apex, Visualforce, and Lightning components. With a strong foundation in middleware technologies, cloud computing, AI/ML, and DevOps, I am well-equipped to deliver robust, scalable, and efficient solutions for your business needs. I’m passionate about building innovative systems to drive business success and look forward to collaborating with you on your next project.

🇺🇸Center Square, United States$100/hr100% JSS4.98 (4)Since Jun 2017

Earnings and projects

MRR
$5.4k

Last 6 months ÷ 6

World#4,736 / 412k
🇺🇸Country#1,638 / 62.1k
Revenue, last 30 days
$4.9k

Last 6 months: $32k

World#5,921 / 412k
🇺🇸Country#1,877 / 62.1k
Total earnings
$220k

Billed in all: $230k

World#13,136 / 412k
🇺🇸Country#3,305 / 62.1k
Per project
$28k

$32k in the last 6 months

World#3,399 / 412k
🇺🇸Country#710 / 62.1k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇸Country#16,472 / 62.1k
Projects in all
8
38% fixed62% hourly
World#223,560 / 412k
🇺🇸Country#31,849 / 62.1k

Earnings, last 30 days

$230k+$4.9k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$222.5k$225.0k$227.5k$230.0kOct 8Oct 23Nov 7

Skill rankings: #1 in 1 skill of 14

Rarest: top 1% in Magento, of 2,249. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Talend Open Studio39 freelancers · 🇺🇸 #1Top 3%
  2. 3Amazon SageMaker137 freelancers · 🇺🇸 #1Top 2%
  3. #5ServiceNow340 freelancers · 🇺🇸 #3Top 1%
  4. #5Mulesoft109 freelancers · 🇺🇸 #2Top 5%
  5. #7Apache Groovy81 freelancers · 🇺🇸 #1Top 9%
  6. #8Dell Boomi67 freelancers · 🇺🇸 #3Top 12%
  7. #14NetSuite Development269 freelancers · 🇺🇸 #9Top 5%
  8. #24Oracle NetSuite769 freelancers · 🇺🇸 #15Top 3%