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Senior Full Stack Blockchain Developer Jobs in Wisconsin

$55.25 - $71.25/hr

English (must-have) + German (nice to have) We are seeking an experienced Java Full Stack Developer with a strong focus on backend development to join our agile team. Your role will involve designing ...

WI · On-site

$145 - $217/hr

Senior Full Stack Engineer, Solve Voice****Join us at Zendesk, where we're on a mission to power exceptional service for every person on the planet. We're accelerating that ambition by building ...

WI · On-site

$145 - $217/hr

Senior Full Stack Engineer, Solve Voice****Join us at Zendesk, where we're on a mission to power exceptional service for every person on the planet. We're accelerating that ambition by building ...

WI · On-site

$110 - $140/hr

Purpose of the role Develop, program, test and maintain assigned software applications, delivering robust IT solutions that meet business needs. Key responsibilities * Analyze user needs and assess ...

The Full Stack Engineer is a fundamental part of the EnsoData technology team, taking ownership of critical systems spanning the full application, from the API, data pipelines, and other key backend ...

The Full Stack Engineer is a fundamental part of the EnsoData technology team, taking ownership of critical systems spanning the full application, from the API, data pipelines, and other key backend ...

The Full Stack Engineer is a fundamental part of the EnsoData technology team, taking ownership of critical systems spanning the full application, from the API, data pipelines, and other key backend ...

$55.25 - $71.25/hr

We are seeking an experienced Java Full Stack Developer with a strong focus on backend development to join our agile team. You will be responsible for building and maintaining enterprise-grade ...

C# Developer

Milwaukee, WI

$48.25 - $65/hr

Here is our client looking for a Senior C# Developer in Milwaukee, WI for 6+ months C2H . Someone with good Full Stack , C#, Scrum and JavaScript experience . Here is the complete for your review.

C# Developer

Milwaukee, WI · On-site

$48.25 - $65/hr

Company Description Here is our client looking for a Senior C# Developer in Milwaukee, WI for 6+ months C2H . Someone with good Full Stack , C#, Scrum and JavaScript experience Here is the complete ...

WI · On-site

$77 - $154/hr

Bachelor's Degree or 4+ additional years of equivalent experience* 5+ years of Actimize experience* 5+ years of related experience working as a full-stack developer. Java Development experience ...

WI · On-site

$140 - $180/hr

## Principal Full Stack Engineer (MarTech, CDP, Data and Integrations)Applylocations: Westlake, TXtime type: Full timeposted on: Posted Todayjob requisition id: 2130452## ## **Note: Fidelity will not ...

Minimum 2-3 years of software engineering experience * Have built mobile apps (and/or web apps) full-stack before * Enthusiastic about photo sharing and/or AI and/or social media

Showing results 21-40

Senior Full Stack Blockchain Developer information

What is a senior full stack blockchain developer?

A Senior Full Stack Blockchain Developer is an experienced software engineer who specializes in designing, building, and maintaining blockchain-based applications. They work on both the front-end and back-end of systems, integrating smart contracts, decentralized applications (dApps), and blockchain protocols. In addition to writing code, they often lead teams, architect solutions, and ensure best practices in security and scalability. Their expertise spans multiple programming languages, frameworks, and blockchain platforms such as Ethereum, Hyperledger, or Solana. Senior developers also mentor junior team members and stay updated with rapidly evolving blockchain technologies.

What are the key skills and qualifications needed to thrive as a senior full stack blockchain developer?

To thrive as a Senior Full Stack Blockchain Developer, you need advanced proficiency in blockchain architecture, smart contract development, and both front-end and back-end programming—often supported by a degree in computer science or related field. Expertise with tools such as Solidity, Web3.js, Node.js, Ethereum, and familiarity with version control systems, cloud platforms, and security protocols is essential. Strong problem-solving skills, project management capabilities, and effective communication make someone stand out in this role. These skills ensure robust, secure, and scalable blockchain solutions while facilitating clear collaboration across interdisciplinary teams.

How does a senior full stack blockchain developer typically collaborate with product managers and other technical teams during project development?

As a Senior Full Stack Blockchain Developer, you will frequently collaborate with product managers to clarify requirements and ensure that blockchain solutions align with business goals. You’ll also work closely with front-end, back-end, and DevOps teams to integrate smart contracts, maintain secure data exchanges, and optimize application performance. Regular cross-functional meetings, code reviews, and collaborative problem-solving sessions are common, allowing you to contribute your expertise to both technical and strategic decisions while mentoring junior developers. This collaborative environment helps ensure cohesive project delivery and innovation.

What is the difference between Senior Full Stack Blockchain Developer vs Blockchain Software Engineer?

AspectSenior Full Stack Blockchain DeveloperBlockchain Software Engineer
Required CredentialsProficiency in blockchain platforms, full stack development, and relevant certificationsStrong coding skills in blockchain languages, certifications like Blockchain Developer
Work EnvironmentCollaborates across front-end, back-end, and blockchain teams in tech companiesFocuses on blockchain system development within software teams
Employer & Industry UsageTech firms, startups, financial institutions integrating blockchain solutionsBlockchain firms, fintech, and enterprise blockchain projects

While both roles require blockchain knowledge and coding skills, the Senior Full Stack Blockchain Developer typically handles both front-end and back-end development alongside blockchain integration, whereas Blockchain Software Engineers focus primarily on developing blockchain protocols and systems. The former has a broader scope, often working across multiple layers of applications, while the latter specializes in blockchain core development.

What are popular job titles related to Senior Full Stack Blockchain Developer jobs in Wisconsin?

For Senior Full Stack Blockchain Developer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Senior Full Stack Blockchain Developer jobs in Wisconsin look for?

The top searched job categories for Senior Full Stack Blockchain Developer jobs in Wisconsin are:

What cities in Wisconsin are hiring for Senior Full Stack Blockchain Developer jobs?

Cities in Wisconsin with the most Senior Full Stack Blockchain Developer job openings:

Infographic showing various Senior Full Stack Blockchain Developer job openings in Wisconsin as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution.

Java Full Stack Developer

Qualysoft

On-site, Remote

$55.25 - $71.25/hr

Contractor

Re-posted 20 days ago


Job description


Location: Vienna (1-2 days on-site per week during onboarding, then 2-4 day per month; otherwise fully remote) Start: ASAP | Duration: 12 months (extension possible) | Workload: 100% Language: English (must-have) + German (nice to have)

We are seeking an experienced Java Full Stack Developer with a strong focus on backend development to join our agile team.
Your role will involve designing and developing APIs, implementing microservice-based architectures, integrating with databases, and contributing to frontend development using JavaScript/TypeScript with React or Angular. You will collaborate closely with cross-functional teams in an agile environment. Experience in the telecommunications sector is a strong plus.
350 - 400 a day
Key Responsibilities

Design, develop, and maintain backend services using Java, Spring, and Spring Boot
Implement and integrate REST APIs for internal and external systems
Conduct unit testing using JUnit to ensure code quality
Manage builds and dependencies with Maven
Work with PostgreSQL, ideally including JSONB
Design and develop scalable, maintainable microservice architectures
Collaborate closely with product owners, architects, developers, and DevOps teams
Contribute to the continuous improvement of development processes and tools
Ensure solutions meet performance, stability, and security standards
Contribute to the frontend using JavaScript/TypeScript and React or Angular
Work with technologies from the Apache ecosystem where applicable (e.g. for services, integration, or tooling)

Required Skills & Experience
Proven professional experience in backend development with Java (Java 21 preferred)
Strong knowledge of Spring and Spring Boot
Experience with REST API development and integration
Proficiency in JUnit for unit testing
Experience in Maven build management
Solid knowledge of PostgreSQL (JSONB is a plus)
Strong background in microservice architecture design and implementation
Experience with frontend development using JavaScript/TypeScript and React or Angular
Familiarity with Apache-based technologies in a typical Java backend stack
Agile mindset and experience working in Scrum/Kanban teams
Excellent command of English (spoken & written)

Nice to Have
Kubernetes & Helm for deployment and orchestration
SOAP service integration experience
Experience with Graylog for logging and monitoring
Telecommunications industry knowledge (big plus)
Knowledge of Kafka , Apache
Why Join Us?
Work on impactful, enterprise-grade solutions
Agile, collaborative work environment with international teams
Opportunity to influence architecture and technology decisions
Engagement in a technically demanding, modern Java backend / Fullstack environment
Interested?
Please send your updated CV including availability and hourly rate expectations. We look forward to hearing from you!
Please contact me by email at elena.kahraman@qualysoft.com, or via LinkedIn. Thank you for your understanding! +43 699 14402417
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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