Haystack
← Back to Jobs
Technology
MT

Full Stack Java Developer

Microgreen Technologies LLCWilmington, DE🇺🇸United StatesPosted Oct 8, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Wilmington, DE, United States
Posted
Yesterday
MySQLNode.jsOracleSQLSpringSpring BootAWSSplunkAgileAngularApacheCassandraGrafanaJavaJavaScriptKafkaRESTReact

Job Description

Role: Full Stack Java developer
Location: Columbus, OH/ Wilmington, DE
Please find the job description below:

Java, Javascript, React, Angular, AWS.

 

Job Description:

  • Within the Card Acquisition Tech Team, candidates will contribute to enhancing, building, and delivering secure, stable, and scalable technology products.
  • Candidates will work closely with senior engineers, product partners, and stakeholders to implement features, improve reliability, and solve technical problems across multiple technologies and applications while continuing to grow your engineering depth.

Job Responsibilities:

  • Contribute to the design, development, testing, and delivery of secure, high-quality production code in an agile environment
  • Implement well-scoped features and improvements, following established engineering standards and SDLC practices
  • Participate in code reviews (both giving and receiving feedback), and help debug and resolve defects and production issues
  • Collaborate with cross-functional stakeholders (product, design, QA, operations) to clarify requirements and deliver solutions
  • Support operational excellence by helping with observability, incident triage, and ongoing system stability improvements
  • Learn and apply firmwide frameworks, tools, and best practices; contribute ideas to improve team processes and technical quality
  • Take ownership of tasks end-to-end with guidance, escalating risks and dependencies appropriately

Required Qualifications, Capabilities, And Skills:

  • Formal training or certification in software engineering concepts and 3+ years of applied experience
  • Hands-on development experience with Java/J2EE, JavaScript, Node.js, REST services, Spring, and Spring Boot
  • Experience building and integrating event-driven or streaming solutions using Apache Kafka (designing, building, or maintaining producers/consumers)
  • Hands-on experience with AWS Cloud Services
  • Working knowledge of SQL and NoSQL databases (e.g., Oracle, MySQL, Postgres, Cassandra, etc.)
  • Familiarity with observability and production management tools (e.g., Splunk, Dynatrace, Grafana)
  • Ability to collaborate effectively with stakeholders and solve design/implementation problems with regular guidance from senior engineers
  • Practical experience contributing to system design discussions, application development, testing, and operational stability

Preferred Qualifications, Capabilities, And Skills:

  • Experience contributing to project delivery from requirements scoping through launch (for components/features)
  • AWS Certification (or progress toward certification)

Roles and Responsibilities:

  • Contribute to the design, development, testing, and delivery of secure, high-quality production code in an agile environment
  • Implement well-scoped features and improvements, following established engineering standards and SDLC practices
  • Participate in code reviews (both giving and receiving feedback), and help debug and resolve defects and production issues
  • Collaborate with cross-functional stakeholders (product, design, QA, operations) to clarify requirements and deliver solutions
  • Support operational excellence by helping with observability, incident triage, and ongoing system stability improvements
  • Learn and apply firmwide frameworks, tools, and best practices; contribute ideas to improve team processes and technical quality
  • Take ownership of tasks end-to-end with guidance, escalating risks and dependencies appropriately

Additional Skills:

  • Java, JavaScript/React, AWS

Similar jobs