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Software Programmer - II

Apex Systems Waltham Contractor
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TITLE:  Blockchain Developer

LOCATION:  Waltham, MA


This position will be responsible for developing applications and use cases on blockchain. In addition to hyperledger and ethereum blockchains, the individual will also test new blockchain platforms focusing on transaction rate, scale and other performance attributes. The individual will work with product managers, enterprise account teams and professional services teams to understand customer requirements and develop prototypes to demonstrate key capabilities of blockchain technology. The individual will also develop blockchain applications for mobile and IoT devices enabling secure transactions from the devices to blockchains. The individual will develop smart contracts prototypes on ethereum and chaincode based applications on hyperledger platforms.

Knowledge and skills:

• 5+  years of Strong technical expertise with deploying web scale applications in cloud infrastructures
• Experience with blockchain technology and smart contract development
• Experience with ethereum or hyperledger blockchain platforms
• Deep technical expertise with Linux / Unix environments and building large scalable testbeds for prototyping
• Strong experience with Docker containers and container orchestration using Kubernetes or AWS ECS
• Strong experience in building distributed clustered environments for scaling applications
• Strong experience in developing end-to-end solution architectures
• Ability to integrate software modules and develop APIs to rapidly prototype product / service ideas
• Strong software development expertise across a variety of languages include Node.js, Java, Python, C/C++
• Prior experience in agile development methodology
• Experience developing ethereum smart contracts or hyperledger chaincode is a plus
• Familiarity with PKI and other cryptographic protocols is a plus
• Familiarity with secure element implementations is a plus
• Working knowledge of Kafka, Elasticsearch, Logstash and kibana
• Working knowledge of NoSQL, mongodb databases
• Excellent communication and presentation skills

If interested, please contact Timothy Myers at Email blocked - click to apply.  Please include your most up-to-date resume.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at 844-463-6178


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