Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Blockchain Developer

InterSources

Job Role: Senior Blockchain Developer
Location: Chicago, IL, USA- Hybrid
Duration: 12+ Month Contract
Interview: Virtual

Note: Every month candidate has to go onsite for team meeting.

Must have Skills/Attributes: Cryptography, GoLang, Java, NodeJs, Python, SDLC, Spring Boot


Must have 10+ yrs of Blockchain developer experience
Must have 5+ Java SpringBoot experience
Must have SDLC experience
Must be able to code in Solidity, Java, NodeJs, Python, GoLand, and Rust
Must have outstanding understanding of data structures and algorithms


Education:
• Bachelor'sdegreeinInformationTechnologyorComputerScience


RequiredQualifications:
• JavaSpringbootexperienceisamust
• ExperienceworkingasaBlockchainDeveloperorasimilarroleintheITdepartment
• Experienceleadingtoacompleteunderstandingofthesoftwaredevelopmentlifecycle
• Expertiseinbuildingrobustsystems(resiliency,faulttolerance,scalability)atscale
• DemonstrateexcellentabilitytocodeinvariouslanguagessuchasSolidity,Java,NodeJs,Python,GoLang,Rustandothers
• Experienceinworkingwithvarioustypesofcryptographytosecuredata
• Outstandingunderstandingofdatastructuresandalgorithms
• Knowledgeofvariouscybersecurityguidelinesandprotocols
• Strongunderstandingandknowledgeofvariouskindsofcyberattacks
• Abilitytoworkinateamorindividuallyasandwhenrequired
• Possessexcellentcommunicationskills
• Havekeeneyefordetails
• Managemultipleprojectssimultaneously

PreferredQualifications:
• ExperienceworkingwithCloudplatformssuchasMSAzure,AWSpreferred


SeniorBlockchainDeveloperSummary:
• AsaBlockchainDeveloper,youareresponsiblefordevelopingapplicationfeaturesandinterfacesusingblockchaintechnology
• Youwillbealsoresponsiblefordesigninganddevelopingasystemthatissecure,reliableandscalable
• Yourprimarygoalforthisjobrolewillbedesigning,implementing,andadministeringasecureblockchainnetwork
• Youshouldbehighlyknowledgeableaboutvariousblockchaintechnologies
• Youshouldalsohaveanexcellentunderstandingofcryptographyanditsusesintheblockchainnetwork
• Youshouldbeknowledgeableaboutpacking&deployingappsviaCI/CDpipelinestoacloudplatform


JobResponsibilities:
• Architect,developanddeploydecentralizedapplicationsprovidingpermissionedaccesstodataatboththesmartcontractandprotocollevel
• Develop&InteractingwithSmartContractsimplementedonmostcommonBlockchain/DLTtechnologyplatforms
• Oracledevelopment(connecting"off-chain"datatotheblockchain)
• ConstructintegrationlibrariestointerfacewithourserverandAPIs
• Collaboratecloselywiththerestoftheengineeringteamtoreviewapplicationrequirements,helpplanimplementationdetailsandestimatedeliverytimelines
• Providementorshiptoyourpeersintheengineeringteamthrougheducationonbestpractices
• Preparingdocumentationontheblockchaindevelopmentprocesses
• Adheringtoalltherulesandregulationsofdataprotectionfordigitalpayments
• Stayingupdatedwiththelatestcryptotechnologiesfordataprotection
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Blockchain Developer in Ballwin, MO vacancy
  •  ...Senior Blockchain Developer Location: Chicago, IL, USA - Hybrid Duration: 12+ Month Contract Interview: Virtual Note: Every month candidate has to go onsite for team meeting. Must Have Skills/Attributes Cryptography GoLang Java NodeJs Python... 
    Senior
    Contract work

    InterSources

    Wildwood, MO
    5 days ago
  •  ...SSM Health is seeking a primary care provider specialized in Senior Care for their new clinic in Chesterfield, Missouri. This opportunity emphasizes collaboration with an embedded care team to enhance patient outcomes in a desirable area of St. Louis. Applicants must... 
    Senior

    Jobleads-US

    Chesterfield, MO
    4 days ago
  • $50 - $70 per hour

    DescriptionKforce has a client that is seeking a Senior Analyst - Supply Chain Planning Systems in Chesterfield, MO.Responsibilities:...  ...solution deliveryExecutive Communication & Presentation Leadership:* Develop and deliver executive-level presentations, business cases,... 
    Senior

    KForce

    Chesterfield, MO
    4 days ago
  • Seeking a Tax Senior Manager with CPA and Trust & Estate focus!St. Louis metro area (west side) In business since 2022, we are a small and growing firm located just west of St. Louis. We are currently seeking a Senior Tax Manager with CPA and Trust & Estate focus! We have... 
    Senior
    Local area
    Immediate start
    Flexible hours

    CyberCoders

    Chesterfield, MO
    2 days ago
  • St. Luke’s Hospital is seeking a Hospitalist to provide exceptional patient-centered care in a collaborative environment. Enjoy a 7-on/7-off schedule and play a vital role in inpatient care, ensuring seamless communication and superior patient outcomes. You will mentor...
    Senior

    Jobleads-US

    Chesterfield, MO
    2 days ago
  • gpac is assisting a reputable Public Accounting firm in Missouri to hire a Sr. Tax Manager to lead tax engagements and mentor staff. The role includes overseeing tax services, ensuring compliance, and contributing to business development. The ideal candidate holds a CPA...
    Senior

    gpac

    Chesterfield, MO
    4 days ago
  • BJC HealthCare is opening a new Outpatient Surgery Center-Sunset Hills in Missouri. The Senior RNFA will function as an expanded perioperative first assistant to surgeons, delivering direct intraoperative patient care and collaborating with the surgical team to plan and... 
    Senior

    BJC HealthCare

    Chesterfield, MO
    5 days ago
  • EVERSANA is seeking a Patient Service Coordinator to manage onboarding of new patients, populate profiles, and enter prescription details. The Sr. Patient Service Coordinator also serves as a resource for physicians and their staff while initiating patient therapy. Responsibilities...
    Senior
    Work at office

    EVERSANA

    Chesterfield, MO
    3 days ago
  • BJC HealthCare is seeking an RNFA to perform an expanded perioperative role as a first assistant in the operating room. The RNFA works with surgeons and the perioperative team to provide direct patient care. Requires RN with CNOR and a Bachelor's in Nursing, with 2-5 years...
    Senior

    Society of Gastroenterology Nurses and Associates, Inc.

    Chesterfield, MO
    5 days ago
  • Daikin Comfort in Chesterfield, Missouri, is seeking a Controls System Monitoring Technician to oversee complex diagnostics and ensure systems operate as intended. Responsibilities include troubleshooting, supporting commissioning activities, and coordinating with technical...
    Senior

    Daikin Comfort

    Chesterfield, MO
    2 days ago
  •  ...Job Description Senior Mechanical Engineer Company: Symbiotic Services Overview Symbiotic Services is seeking a Senior...  ...Design and engineer HVAC, piping, and ventilation systems Develop drawings, specifications, and calculations Collaborate with... 
    Senior

    Symbiotic Corp.

    Ballwin, MO
    5 days ago
  • Graybar is seeking a Product Category Manager to lead the strategic development of product-specific category plans and drive growth across the organization. You will guide the lifecycle of product lines, define supplier strategies, and collaborate with field sales to implement...
    Senior

    Graybar

    Chesterfield, MO
    5 days ago
  • Dierbergs Stores is seeking an experienced Senior Accountant to own the monthly close, lead journal entries, reconciliations, and PBCs, while guiding a Staff Accountant. You’ll partner with store department leaders and coordinate with external auditors, tax, and ERP systems... 
    Senior

    NACBA

    Chesterfield, MO
    2 days ago
  • SupportFinity™ is looking for a skilled Travel Program Manager (TPM) in Chesterfield, Missouri, responsible for optimizing corporate travel arrangements. You will lead travel management and enhance program efficiency while managing vendor relationships and ensuring compliance...
    Senior

    SupportFinity™

    Chesterfield, MO
    15 hours ago
  • Dierbergs Markets, Inc. is seeking a Senior Accountant to own the month-end close, manage a full book of journal entries, reconciliations, and PBCs, and quietly lead a Staff Accountant. This high-visibility role interfaces with store department leaders and reports through... 
    Senior

    Dierbergs Markets, Inc.

    Chesterfield, MO
    2 days ago
  • EVERSANA in the United States seeks a Patient Service Coordinator to onboard new patients, populate profiles, and capture prescription details. You will be the primary contact for patients and their care teams, coordinating in‑home or facility nursing services and verifying...
    Senior

    Sky Mavis

    Chesterfield, MO
    2 days ago
  • SSM Health in Chesterfield is offering a primary care role with an emphasis on Senior Care at a brand-new clinic. Responsibilities include providing comprehensive care, working closely with an embedded care team, and growing the patient panel in a high-demand market. The... 
    Senior

    American Academy of Family Physicians

    Chesterfield, MO
    15 hours ago
  • Synergy Wealth Solutions in Chesterfield, Missouri is looking for an Experienced Financial Advisor to help clients achieve their financial goals. The role focuses on delivering holistic financial planning, strong client relationships, and practice growth in a collaborative...
    Senior

    Synergywealthsolutions

    Chesterfield, MO
    5 days ago
  • Blink Health in the United States is seeking an experienced Senior Recruiter to lead high-volume hiring for Pharmacy and Patient Services roles. You will partner with hiring managers to understand goals and deliver a scalable talent pipeline. The role demands proactive... 
    Senior

    BlinkRx

    Chesterfield, MO
    4 days ago
  • Barnes-Jewish Hospital in Sunset Hills, MO seeks a Senior RNFA for its outpatient surgery center opening 10/9/2026. The role supports surgeons as the first assistant, performing intraoperative tasks and contributing to a safe, efficient perioperative environment. The position... 
    Senior

    Barnes-Jewish Hospital

    Chesterfield, MO
    2 days ago
  • Sunrise Senior Living in Chesterfield, MO is seeking a Medication Aide/Med Tech to administer medications and treatments per physician orders, ensuring safety and dignity for residents. You will follow the Six Rights, document in MAR/TAR in real time, monitor residents... 
    Senior

    Sunrise Senior Living

    Chesterfield, MO
    5 days ago
  • Graybar Electric Company is seeking a Senior Internal Auditor in Chesterfield, MO. This role involves assessing financial and operational...  ...include performing detailed audits, preparing work papers, and developing corrective recommendations. Join Graybar for a culture that... 
    Senior

    Graybar Electric Company

    Chesterfield, MO
    2 days ago
  •  ...Officer and collaborate with hospital leadership to advance patient care, safety, and comprehensive rehabilitation goals for adults and seniors. The role covers evaluation, diagnosis, treatment, and supervision of PM&R services, development of policies, and coordination... 
    Senior

    Jobleads-US

    Chesterfield, MO
    3 days ago
  • Synergy Wealth Solutions, located in Chesterfield, Missouri, is seeking an Experienced Financial Advisor with proven skills in relationship building and business generation. This role offers the opportunity to work with diverse clients, providing tailored financial planning...
    Senior

    Synergy Wealth Solutions

    Chesterfield, MO
    2 days ago
  • Blink Health is seeking a Senior Recruiter to own the full recruitment cycle for hourly Pharmacy roles. You will partner with hiring managers to align on goals and build a strong talent pipeline for patient services and pharmacy operations. You will drive sourcing strategies... 
    Senior
    Hourly pay

    Blink Health

    Chesterfield, MO
    2 days ago
  • Physician Moms Group is seeking a dedicated physician for their new state-of-the-art clinic at the Chesterfield YMCA, focused on Senior Care and team-based support. The role involves providing comprehensive primary care and establishing a patient panel in a growing community... 
    Senior
    Weekday work

    Physician Moms Group

    Chesterfield, MO
    4 days ago
  • Mutual of Omaha Mortgage, a division of a Fortune 300 company, seeks a motivated Loan Officer in Missouri to listen to clients, analyze financials, and tailor mortgage solutions. You will build rapport, explain options, and close loans with ongoing support and guidance....
    Senior

    Mutual of Omaha Mortgage

    Chesterfield, MO
    2 days ago
  • Mutual of Omaha Mortgage is seeking a proactive Senior Loan Officer in Missouri to listen, understand, and analyze clients’ financial situations, delivering tailored mortgage solutions. You’ll work with a dynamic team, leveraging a strong product suite and ongoing training... 
    Senior

    Mutual of Omaha Mortgage

    Chesterfield, MO
    15 hours ago
  •  ...You will collaborate with nurses, physicians, families, and staff to ensure safe, accurate medication delivery and monitoring in a senior living environment. The role requires a current Level 1 Medication Aide certification, good communication, and the ability to manage... 
    Senior

    Provision Living

    Chesterfield, MO
    5 days ago
  • Bunge Iberica SA in Chesterfield, MO is seeking a Sr. Analyst, External Reporting to act as a global SME for BG’s consolidated financial statements, support SEC forms 10-Q/10-K, and serve as a system administrator for Workiva. You will coordinate quarter-end close components...
    Senior

    Bunge Iberica SA

    Chesterfield, MO
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Blockchain Developer. Be the first to apply!