Blockchain Developer - Crystal Onxy Job at Codeworks L.L.C, Oregon State

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  • Codeworks L.L.C
  • Oregon State

Job Description

Job Description

Job Description

Codeworks is a locally owned and operated IT Services firm in SE Wisconsin, known for our strong commitment to quality and for our direct client relationships.

Our client is looking to bring aboard a Senior Crystal Onyx - Blockchain Developer to join our dynamic team! In this role, you will work on product development, including architect, design, and develop core modules of the Blockchain Data Management platform (data governance, lineage tracking, and MDM).

Other responsibilities will include:

  • Implement smart contracts and consensus mechanisms to ensure transparency, immutability, and trust across the platform.
  • Build APIs and integration services to connect blockchain layers with existing fintech systems.
  • Blockchain Engineering
  • Design and optimize decentralized ledger structures to store governance metadata, lineage logs, and master data references.
  • Ensure scalability, security, and fault tolerance of the blockchain network.
  • Evaluate blockchain frameworks (e.g., Hyperledger Fabric, Ethereum, Quorum, Polygon) and recommend best fit for fintech data use cases.
  • Data Management
  • Develop mechanisms to capture and track data lineage across multiple data sources.
  • Build frameworks for Master Data Management using blockchain identity and tokenization principles.
  • Implement rule-based data governance policies aligned with fintech regulations.

The ideal candidate will have professional experience the following skills:

  • 5–8 years of experience in software engineering with at least 2–3 years in Blockchain development.
  • Proficiency in blockchain frameworks: Hyperledger Fabric, Ethereum (Solidity), Quorum, or similar.
  • Strong programming expertise in Python, Go, Java, or Node.js.
  • Hands-on experience with smart contract development and DApps.
  • Knowledge of distributed systems, consensus algorithms, and cryptographic principles.
  • Data Engineering & Governance
  • Familiarity with data lineage, data cataloging, and metadata management tools.
  • Experience with Master Data Management (MDM) solutions and principles.
  • Understanding of data governance frameworks and fintech compliance (e.g., GDPR, CCPA, PCI DSS).
  • Architecture & Tools
  • Experience with microservices, containerization (Docker, Kubernetes), and cloud platforms (AWS, Azure, GCP).
  • Strong knowledge of RESTful APIs, GraphQL, and event-driven architectures (Kafka, RabbitMQ).
  • Proficiency with CI/CD pipelines, Git, and DevOps practices.
  • Experience with fintech platforms and regulatory data compliance.
  • Exposure to Zero-Knowledge Proofs, Decentralized Identity (DID), or Tokenization for sensitive data.
  • Knowledge of AI/ML integration for anomaly detection in data lineage or governance.

For immediate consideration, qualified candidates should send their resume to be considered. Attn: Laura Candidates must be a US Citizen and be available to work directly for Codeworks LLC on a W2 or W9 basis.

About Codeworks:

Codeworks has over 25 years of experience serving Fortune 1000 companies in Wisconsin as well as our client's national locations. Our recruiting team excels at evaluating, advising, and connecting IT professionals with new opportunities that will satisfy their expectations regarding income and opportunity for growth. At Codeworks, we're committed to diversity, equity, and inclusion in our workforce and beyond. We believe in equal opportunities and value the unique perspectives that every individual brings to our team. Join us in creating an inclusive, innovative, and collaborative workplace where your talents can thrive.


Codeworks is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws.

Codeworks, LLC discloses that the anticipated hourly pay range for this position is between $60/hr and $70/hr. This range is subject to change based on job-related factors, including client requirements where applicable.

All full time Codeworks employees are eligible to enroll in the company’s medical, dental, vision, and life insurance plans. Additionally, employees can participate in Codeworks’ 401(k) retirement plan.

Job Tags

Hourly pay, Full time, Contract work, Immediate start,

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