✨Bernhard Lenz Email & Phone Number

Hoboken, NJ, US

Bridgewater, New Jersey, US

Building Birdzi's AI Platform on AWS using Snowflake, Sagemaker ML, RDS, Java, Python.

Bridgewater, New Jersey, US

• Senior Software Development Consultant at retail technology startup Birdzi. (Involvement in Birdzi is limited to evening and weekend hours)
• Created Customer facing Microservices REST APIs, using Java Spring Boot on AWS Elastic Beanstalk, CodeBuild, CodePipeline.
• Implemented extremely fast data retrieval using AWS ElasticSearch.
• Implemented postgres connection pool pgbouncer using ECS/Fargate using Terraform.
• Guidance of Offshore Development and QA Teams.

New York, New York, US

• Cloud Consulting for fixed scope projects on behalf of Rearc.io.
• Goldman SachsBuilt large scale General Motors Credit Card and Apple Card infrastructure in AWS ECS using Terraform on top of GitLab CI/CD.
• Zipari, Inc.Created a comprehensive AWS Infrastructure Assessment and Improvement Plan.Public EC2 instances Security identification and mitigation using AWS Config with Lambdas, Athena and Quicksight.Created Terraform.
• Guardian Insurance Introduced GitFlow branching model.Migrated Code Repositories from MS TFS to Bitbucket GIT. Created new Jenkins build and deploy pipelines sourcing Bitbucket using GitFlow strategy.Migrated.

Armonk, New York, US

• Member of the Architecture Team, instituting Cloud Architecture for Turbonomic’s SaaS offering.
• Leadership and Hands On development of Reserved Instance Recommendation Algorithm for AWS.
• Leading SaaS implementation; created AWS and Google cloud infrastructures using secured private VPCs with MfA VPN access and orchestration using Kubernetes (EKS & GKS) and Docker. Maintained EKS using CloudFormation.
• Implemented Istio Multi-Network Service Mesh between AWS EKS and GCP GKE over a cross cloud IPSec VPN tunnel, as well as Istio intra cluster mTLS Authentication to encrypt K8s node to node communication.
• Prototyped and implemented Istio Ingress, Nginx-Ingress, L7 Ingress and developed helm charts for k8s deployment.

• Team Lead for the implementation of Enovlab’s backend REST API, as well as design and implementation of Enovlab’s AWS Cloud environment.
• Technical Leadership for team of 3 backend java developers
• Development of Microservices REST API using Spring Boot, JPA, Hibernate, Spring Security Single Sign On, Json Web. Tokens/JWT, Brcypt/SHA, Spring Cloud, Spring Actuator, MySql, H2, Quartz, QuartzDesk, Swagger, Jackson.
• Achieved 15x performance improvement through usage of AWS Elasticache, initially employing Reddis and later replacing Reddis with Memcache for cost reasons. REST API call times went from 1.5s to under 100ms
• Integration with Payment Provider Paysafe in accordance to PCI DSS.
• Built AWS environment including VPC planning and design, secure VPN connections using OpenVPN and OpenSwan; High Availablity Setup with Regional Failover.

New York, NY, US

• Hands on Technical Leadership of KPMGs cloud migration effort, including launch of Agility Cloud Broker for encapsulating and managing AWS as well as private cloud.
• Development Team Lead, establishing system architecture, and hand on implementation of the Agility Cloud Broker as well as web based systems using node.js and Java Spring.
• Oversight and development of blueprints for Linux and Windows based VMs which can be placed in AWS EC2 or private cloud based on cost or resource availability.
• Agile Scrum Sprint Planning using Jira.

Tokyo, JP

• Hands on Technical Leadership of company’s global web site www2.NYKLine.com including customer, vendor, back-office and legacy system integration
• Started as a Developer in 2001, promoted to Application Development Manager in 2004, advanced to e-Commerce Service Manager in 2009 and Senior Technical Lead for Offshore Development since 2013
• Lead company transition to hybrid cloud and saved $320,000 over 3 years by spearheading the development of an archive solution using AWS EC2, S3, IAM, and Elasticsearch instead of purchasing an out of the box vaporware.
• Ensured optimum web site performance with 24x7 uptime requirements to support high volume traffic of more than 125 million hits monthly, serving > 13,000 active registered users and > 800,000 lines of code, using.
• Provided leadership and inspiration to the development team through proof of concept, technical design, implementation, code review, unit testing and QA phases as well as hands on development
• Managed up to 11 Developers as a Development Manager, and 6 BAs, 8 Developers and 4 QA as a Service Manager. Responsible for coaching and mentoring, setting performance goals, and providing training

New York, NY, US

• Accountable for design and implementation of an Access Control Facility (ACF) as a distributed component used by a variety of the bank’s applications as a central authentication facility.
• Transitioned existing ACF database with complex maintenance requirements to a 3-Tier distributed J2EE architecture to encapsulate database from the applications by asserting a Java middle tier. Centralized business.
• Optimized bank’s standard internal test tool and employed JUnit for Unit and Regression testing. Performance tuned new application using JProbe, and managed performance requirements by improving transaction time of.
• Installed production system as a cluster with three Sun Solaris boxes.

Development for Premium Finance and Installment Billing Systems.