Consultant | HTML,CSS,Javascript,Jquery,PHP,Drupal | HTML5,CSS3,AngularJS

POC: Sam Chavez

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Job Title: Consultant HTMLCSSJavascriptJqueryPHPDrupal HTML5CSS3AngularJS Java Backend Developer
Work Location & Reporting Address: St Louis MO (Onsite-Hybrid. Open to candidates who s willing to relocate to client s location)
Contract duration: 12
MAX VENDOR RATE: $79.8 per hour max
Target Start Date: 23 Jun 2026
Does this position require Visa independent candidates only Yes

Must Have Skills:
Must be high-energy detail-oriented proactive and can function under pressure in an independent environment
Possesses strong communication skills -- both verbal and written and strong relationship collaborative skills and organizational skills
Must provide the necessary skills to have a high degree of initiative and self-motivation to drive results.
Willingness and ability to learn and take on challenging opportunities and to work as a member of matrix based on diverse and geographically distributed project team.
Ensure end-to-end visibility and continuous monitoring of application Oracle and Redis performance using Open Telemetry and Dynatrace aligned to SLAs.
Design systems for high availability with retries circuit breakers graceful degradation and recoverability across APIs and batch jobs.
Enable standardized logging proactive alerting and continuous profiling to detect issues early and optimize performance and scalability.
Ensure secure configuration with encryption secrets management and compliance with enterprise standards for data protection.
Design for scalability and cloud/platform readiness (e.g. PCF) with auto-scaling and efficient resource utilization.
Strong experience in cryptography and API security including AES/RSA encryption TLS/PKI secure key management (HSM/Azure Key Vault) and authentication mechanisms such as OAuth2 JWT and mTLS.

Advanced experience with the following:
Java
Spring Boot / Spring Batch
Object-Oriented Design and Design Patterns
Microservices Architecture
RESTful APIs Web Services JSON
Apache (Tomcat/HTTP)
PCF / Azure Cloud Platforms
Docker / Containerization
Oracle Redis
Kafka / Messaging
Spring Cloud (Gateway Config)
Resilience4j (Retry Circuit Breaker)
Open Telemetry Dynatrace Micrometer
Log4j / Splunk
JUnit Mockito Karate Testing Frameworks
Maven / CI-CD Tools (Jenkins GitHub)
Angular / Frontend frameworks
Agile Development Practice

Nice to Have Skills:

Detailed Job Description:
Responsible for the analysis design development and delivery of software solutions.
Develop customize and test applications to integrate to Mastercard s specifications

Role
3 to 8 years of experience in delivering secure solutions in Financial Services Sector or related field.
Accountable for systems development prioritized initiatives supporting Mastercard Send
Plan design and develop technical solutions and alternatives to meet business requirements in adherence with Mastercard standards processes and best practices.
Adapt to the technical artifact templates per the needs of the project and technology.
Hands on full stack developer with day-to-day system development and maintenance activities to meet service level agreements (SLAs) and create solutions with high level of innovation cost effectiveness high quality and faster time to market.
Perform and contribute to test strategy/test design performance benchmarking release rollout and deployment plans and contingency/back-out plans.
Contribute ideas to help ensure that required standards and processes are in place and followed.
Research and evaluate assigned work to deliver solutions.

Minimum Years of Experience:
3 to 8 years

Certifications Needed:

Top 3 responsibilities you would expect the Subcon to shoulder and execute:

Interview Process (Is face to face required)
Virtual and Face-to-Face if needed

Any additional information you would like to share about the project specs/nature of work:

Project Code: CNPF Exponential Engineering