

A4Assist
Developer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Principal Java/Kafka Developer in Westlake, TX (Hybrid) for 6 months at $65/hr. Requires recent experience in Java, Spring Boot, Kafka, and Oracle within a trading environment. U.S. citizenship or Green Card required.
π - Country
United States
π± - Currency
$ USD
-
π° - Day rate
520
-
ποΈ - Date
November 20, 2025
π - Duration
More than 6 months
-
ποΈ - Location
Hybrid
-
π - Contract
W2 Contractor
-
π - Security
Unknown
-
π - Location detailed
Roanoke, TX
-
π§ - Skills detailed
#Oracle #S3 (Amazon Simple Storage Service) #Kafka (Apache Kafka) #Agile #Lambda (AWS Lambda) #Angular #Spring Boot #Scala #SQS (Simple Queue Service) #AWS (Amazon Web Services) #API (Application Programming Interface) #Java #AWS EC2 (Amazon Elastic Compute Cloud) #EC2 #SQL (Structured Query Language) #RDS (Amazon Relational Database Service)
Role description
π’ Hiring: Principal Java/Kafka Developer β Westlake, TX (Hybrid)
π Location: Westlake, TX (Hybrid β Onsite every other week, 5 days)
β³ Duration: 6 months (extension possible)
πΌ Employment Type: W2 only (No H-1B)
πΊπΈ Eligibility: Open only to U.S. Citizens or Green Card holders who are ready for W2 arrangements.
We are seeking a Principal Java/Kafka Developer to join a leading financial services organization. In this role, you will contribute to building and scaling a high-performance fixed income trading platform using modern backend technologies such as Java, Spring Boot, Kafka, and Oracle.
π Key Responsibilities
β’ Design, develop, and maintain scalable backend services and APIs
β’ Work on high-volume, event-driven architectures using Kafka
β’ Build secure, optimized, and reliable trading application components
β’ Collaborate with cross-functional teams in an Agile environment
β’ Support architectural planning and continuous improvement initiatives
β’ Mentor junior engineers and contribute to coding best practices
π₯ Must-Have Skills
1. Recent hands-on experience with Java/Spring Boot/Kafka/Oracle in a trading environment
1. Expertise in multithreading, data structures, streams, exception handling, and high-volume messaging
1. Strong Oracle PL/SQL and SQL query proficiency
1. Deep knowledge of Kafka for event-driven, high-throughput applications
1. Strong understanding of API design
1. Experience in financial services, especially trading applications (highly preferred)
β¨ Nice to Have
β’ Experience with AWS (EC2, S3, Lambda, RDS, SQS)
β’ Exposure to Angular or front-end/UI development
π΅ Candidate Pay Rate
$65/hr (W2 referral only)
π’ Hiring: Principal Java/Kafka Developer β Westlake, TX (Hybrid)
π Location: Westlake, TX (Hybrid β Onsite every other week, 5 days)
β³ Duration: 6 months (extension possible)
πΌ Employment Type: W2 only (No H-1B)
πΊπΈ Eligibility: Open only to U.S. Citizens or Green Card holders who are ready for W2 arrangements.
We are seeking a Principal Java/Kafka Developer to join a leading financial services organization. In this role, you will contribute to building and scaling a high-performance fixed income trading platform using modern backend technologies such as Java, Spring Boot, Kafka, and Oracle.
π Key Responsibilities
β’ Design, develop, and maintain scalable backend services and APIs
β’ Work on high-volume, event-driven architectures using Kafka
β’ Build secure, optimized, and reliable trading application components
β’ Collaborate with cross-functional teams in an Agile environment
β’ Support architectural planning and continuous improvement initiatives
β’ Mentor junior engineers and contribute to coding best practices
π₯ Must-Have Skills
1. Recent hands-on experience with Java/Spring Boot/Kafka/Oracle in a trading environment
1. Expertise in multithreading, data structures, streams, exception handling, and high-volume messaging
1. Strong Oracle PL/SQL and SQL query proficiency
1. Deep knowledge of Kafka for event-driven, high-throughput applications
1. Strong understanding of API design
1. Experience in financial services, especially trading applications (highly preferred)
β¨ Nice to Have
β’ Experience with AWS (EC2, S3, Lambda, RDS, SQS)
β’ Exposure to Angular or front-end/UI development
π΅ Candidate Pay Rate
$65/hr (W2 referral only)






