

Spark Tek Inc
Digital Core Engineer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Digital Core Engineer with a contract length of "unknown" and a pay rate of "unknown." Candidates must have 10+ years of experience in Java microservices, Spring Boot, MVEL, AWS, and relevant databases.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
May 29, 2026
🕒 - Duration
Unknown
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🏝️ - Location
Unknown
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Bethesda, MD
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🧠 - Skills detailed
#MongoDB #Databases #Scala #Programming #Kafka (Apache Kafka) #AWS (Amazon Web Services) #Microservices #React #Java #PySpark #Spark (Apache Spark) #DynamoDB #Spring Boot
Role description
We are seeking a highly skilled and experienced Java/Digital Core Developer or Architect to join our team. The successful candidate will be responsible for designing, developing, and implementing high-quality Java microservices using the Spring Boot framework. Additionally, the role involves architecting scalable and reliable microservices utilizing a Java rules engine with the MVEL language.
Required Skills/Level Of Experience
• Minimum of 10 years of experience with architectural frameworks and application design.
• Proven expertise as a Java/Digital Core Developer with at least 10 years of experience in the following areas:
• Designing, developing, and implementing Java-based microservices using the Spring Boot framework.
• Building and testing microservices using a Java rules engine with MVEL (business rules/Java pseudo-code).
• Collaborating with cross-functional teams to analyze requirements and design innovative Java plugins and microservices.
• Architecting and designing scalable and reliable Java microservices to meet complex business requirements.
• Working with Data Fabric Platform on AWS.
Technical Proficiencies
• Programming Languages & Frameworks:
• Java 17
• Spring Boot
• MVEL
• PySpark
• Databases & Messaging:
• MongoDB 5.3.x
• AWS DynamoDB
• Kafka (including AWS MSK)
• Front-End & UI Technologies:
• React
• Node.js
• Thymeleaf
• Javabase (front-end)
We are seeking a highly skilled and experienced Java/Digital Core Developer or Architect to join our team. The successful candidate will be responsible for designing, developing, and implementing high-quality Java microservices using the Spring Boot framework. Additionally, the role involves architecting scalable and reliable microservices utilizing a Java rules engine with the MVEL language.
Required Skills/Level Of Experience
• Minimum of 10 years of experience with architectural frameworks and application design.
• Proven expertise as a Java/Digital Core Developer with at least 10 years of experience in the following areas:
• Designing, developing, and implementing Java-based microservices using the Spring Boot framework.
• Building and testing microservices using a Java rules engine with MVEL (business rules/Java pseudo-code).
• Collaborating with cross-functional teams to analyze requirements and design innovative Java plugins and microservices.
• Architecting and designing scalable and reliable Java microservices to meet complex business requirements.
• Working with Data Fabric Platform on AWS.
Technical Proficiencies
• Programming Languages & Frameworks:
• Java 17
• Spring Boot
• MVEL
• PySpark
• Databases & Messaging:
• MongoDB 5.3.x
• AWS DynamoDB
• Kafka (including AWS MSK)
• Front-End & UI Technologies:
• React
• Node.js
• Thymeleaf
• Javabase (front-end)






