Backend Java Engineer: Microservices & Blockchain Analytics

TechDigital Group; Charlotte (NC); On-site; USD 110,000 - 160,000; Full time

Job summary

TechDigital Group is seeking a backend-focused Java Engineer to design and build scalable microservices and enterprise applications supporting digital asset and blockchain analytics initiatives. The ideal candidate will have deep expertise in Java, Spring Boot, microservices, and SQL, along with experience integrating diverse data sources and APIs.

You will join a lean, Agile team to deliver robust services, maintain automated tests, and collaborate with cross-functional stakeholders on complex

Qualifications

• Strong backend Java development experience.
• Proficiency with Java 11/17+ and Spring Boot.
• Experience designing microservices and scalable APIs.
• Advanced SQL, database design, and performance tuning.
• Experience with REST APIs and integration services.
• Experience with automated testing frameworks.
• CI/CD pipeline experience.
• Experience working in Agile teams.

Responsibilities

• Design and develop new Java-based microservices.
• Build scalable APIs and integration solutions.
• Develop and maintain automated testing frameworks.
• Support blockchain and digital asset analytics initiatives.
• Collaborate within a 6-member Agile team.

Skills

Java 11/17+

Spring Boot

Microservices

SQL & DB design

REST APIs

Test automation

CI/CD

Agile development

Job description

Job Summary

Seeking a strong backend-focused Java Engineer to develop scalable microservices and enterprise applications supporting digital asset and blockchain analytics initiatives. The ideal candidate will have deep expertise in Java, Spring Boot, microservices, and SQL, along with experience integrating complex data sources and APIs.

Required Skills

Java 11/17+ with Spring Boot and Microservices
Strong backend development experience
Advanced SQL and database design/performance tuning
REST APIs and integration services
Test automation using JUnit, Mockito, TestNG, Rest Assured, or Selenium
CI/CD pipeline experience
Agile development experience

Preferred Skills

Experience with virtual assets, blockchain analytics, and digital asset transaction monitoring
Familiarity with Chainalysis, TRM Labs, Elliptic, or similar blockchain platforms
Understanding of cryptocurrency ecosystems, wallet attribution, on-chain analytics, and financial crime compliance
Experience integrating blockchain data sources into enterprise applications for risk management and regulatory reporting

Key Responsibilities

Design and develop new Java-based microservices
Build scalable APIs and integration solutions
Develop and maintain automated testing frameworks
Support blockchain and digital asset analytics initiatives
Collaborate within a 6-member Agile team

Top 3 Skills:

Java / Microservices / Database Development
Virtual Assets & Blockchain Analytics Experience
Chainalysis, TRM Labs, Elliptic, or similar platform exposure