Functional Testing Test blockchain transactions| events| ledgers| and consensus flows Validate smart contract logic| state changes| and event triggers Test API integrations between blockchain nodes ...
Quick apply
Functional Testing Test blockchain transactions| events| ledgers| and consensus flows Validate smart contract logic| state changes| and event triggers Test API integrations between blockchain nodes ...
Quick apply
Functional Testing Test blockchain transactions| events| ledgers| and consensus flows Validate smart contract logic| state changes| and event triggers Test API integrations between blockchain nodes ...
Cellular Tester Location : Palo Alto, CA Hiring Mode : Contract v Experience with Rohde & Schwarz CMW Network Simulator v Proficient in using R&S for LTE, WCDMA and GSM testing v Experience in ...
Cellular Tester Location : Palo Alto, CA Hiring Mode : Contract v Experience with Rohde & Schwarz CMW Network Simulator v Proficient in using R&S for LTE, WCDMA and GSM testing v Experience in ...
Protocol Tester - Long Term Contract v Design, develop, and execute system level test procedures in an Agile environment ensuring the system meets the complex functional, performance and latency ...
Protocol Tester - Long Term Contract v Design, develop, and execute system level test procedures in an Agile environment ensuring the system meets the complex functional, performance and latency ...
Contract Penetration Tester At Bishop Fox, securityisn'tjust a job-it'sour passion. As leaders in continuous offensive security and penetration testing, we deliver world-class customer experiences.
Contract Penetration Tester At Bishop Fox, securityisn'tjust a job-it'sour passion. As leaders in continuous offensive security and penetration testing, we deliver world-class customer experiences.
Contract Penetration Tester At Bishop Fox, security isn't just a job-it's our passion. As leaders in continuous offensive security and penetration testing, we deliver world-class customer experiences.
Contract Penetration Tester At Bishop Fox, security isn't just a job-it's our passion. As leaders in continuous offensive security and penetration testing, we deliver world-class customer experiences.
Job Title : Wi-Fi / Bluetooth Tester Location : Palo Alto, CA Hiring Mode : Contract v Embedded Device Tester v Expertise in testing Wi-Fi / Bluetooth / BT LE / 802.15.4, features of the device ...
Job Title : Wi-Fi / Bluetooth Tester Location : Palo Alto, CA Hiring Mode : Contract v Embedded Device Tester v Expertise in testing Wi-Fi / Bluetooth / BT LE / 802.15.4, features of the device ...
Your work will be crucial in supporting the rigorous testing of comapny's new feature releases. Responsibilities: * Design and implement automated test suites for smart contracts and UI components.
Your work will be crucial in supporting the rigorous testing of comapny's new feature releases. Responsibilities: * Design and implement automated test suites for smart contracts and UI components.
Cary, NC · On-site
$95K - $115K/yr
... Contract Testing • Microservices Testing DevOps & CI/CD • Azure DevOps • Jenkins • GitHub Actions • Git • Docker • Kubernetes Database Technologies • SQL Server • Oracle • ...
Cary, NC · On-site
$95K - $115K/yr
... Contract Testing • Microservices Testing DevOps & CI/CD • Azure DevOps • Jenkins • GitHub Actions • Git • Docker • Kubernetes Database Technologies • SQL Server • Oracle • ...
Cary, NC · On-site
$95K - $115K/yr
Swagger/OpenAPI * Contract Testing * Microservices Testing DevOps & CI/CD * Azure DevOps * Jenkins * GitHub Actions * Git * Docker * Kubernetes Database Technologies * SQL Server * Oracle
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Cary, NC · On-site
$95K - $115K/yr
Swagger/OpenAPI * Contract Testing * Microservices Testing DevOps & CI/CD * Azure DevOps * Jenkins * GitHub Actions * Git * Docker * Kubernetes Database Technologies * SQL Server * Oracle
We are seeking multiple Quality Assurance Testers who can support a short-term contract role for up to 4 months. You will be responsible for functionality testing of multiple games from across the ...
We are seeking multiple Quality Assurance Testers who can support a short-term contract role for up to 4 months. You will be responsible for functionality testing of multiple games from across the ...
Dallas, TX · On-site
$18/hr
We are seeking multiple Quality Assurance Testers who can support a short-term contract role for up to 4 months. You will be responsible for functionality testing of multiple games from across the ...
Dallas, TX · On-site
$18/hr
We are seeking multiple Quality Assurance Testers who can support a short-term contract role for up to 4 months. You will be responsible for functionality testing of multiple games from across the ...
Charlotte, NC · On-site
$45 - $59.25/hr
Contract testing with schema-first approaches (OpenAPI, AsyncAPI). * Domain exposure to reconciliations, liquidity, sanctions screening (OFAC), AML , and fraud signals/decisioning. * Build automation ...
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Charlotte, NC · On-site
$45 - $59.25/hr
Contract testing with schema-first approaches (OpenAPI, AsyncAPI). * Domain exposure to reconciliations, liquidity, sanctions screening (OFAC), AML , and fraud signals/decisioning. * Build automation ...
Montville Township, NJ · On-site
This contract can be done remotely, is 40 hours/week, and is open to a credentialed security professional located in the US. The Global Red Team Tester will conduct testing of AI models to find ...
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Montville Township, NJ · On-site
This contract can be done remotely, is 40 hours/week, and is open to a credentialed security professional located in the US. The Global Red Team Tester will conduct testing of AI models to find ...
As these technologies emerge, AAE needs diverse pool of Quality Assurance contract testers who can help keep up with testing these features and provide additional staff augmentation to deliver the ...
As these technologies emerge, AAE needs diverse pool of Quality Assurance contract testers who can help keep up with testing these features and provide additional staff augmentation to deliver the ...
Sunnyvale, CA · On-site
Company Description Blackbox Tester Sunnyvale CA Only Locals Contract Direct Client Short Term Contract We are seeking a black box tester to test updates to our client's website and other interactive ...
Sunnyvale, CA · On-site
Company Description Blackbox Tester Sunnyvale CA Only Locals Contract Direct Client Short Term Contract We are seeking a black box tester to test updates to our client's website and other interactive ...
Blackbox Tester Sunnyvale CA Only Locals Contract Direct Client Short Term Contract We are seeking a black box tester to test updates to our client's website and other interactive deliverables.
Blackbox Tester Sunnyvale CA Only Locals Contract Direct Client Short Term Contract We are seeking a black box tester to test updates to our client's website and other interactive deliverables.
Mechanicsburg, PA · On-site
Deloitte Dynamic Talent Solutions is seeking a Manual Tester for a contract position. The role involves software system testing, writing test cases, and executing them to ensure quality assurance in ...
Mechanicsburg, PA · On-site
Deloitte Dynamic Talent Solutions is seeking a Manual Tester for a contract position. The role involves software system testing, writing test cases, and executing them to ensure quality assurance in ...
Herndon, VA · On-site
$47.25 - $62.50/hr
... contract testing (Pact, or similar) • Familiarity with testing in containerized environments (Docker, Kubernetes) • Experience with test data management and mocking strategies • Knowledge of ...
Herndon, VA · On-site
$47.25 - $62.50/hr
... contract testing (Pact, or similar) • Familiarity with testing in containerized environments (Docker, Kubernetes) • Experience with test data management and mocking strategies • Knowledge of ...
Dallas, TX · On-site
Contract position (likely through next year). ◦ Experience: Open to candidates with varying ... Accessibility testing with tools like JAWS and WCAG. ◦ Secondary Skills: Basic familiarity with ...
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Dallas, TX · On-site
Contract position (likely through next year). ◦ Experience: Open to candidates with varying ... Accessibility testing with tools like JAWS and WCAG. ◦ Secondary Skills: Basic familiarity with ...
Guidewire Testing Location: Woodland Hills, CA Contract: 6+ Months (W2) * Design and execute functional, integration, regression, and performance test cases. * Use tools like Guidewire Testing ...
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Guidewire Testing Location: Woodland Hills, CA Contract: 6+ Months (W2) * Design and execute functional, integration, regression, and performance test cases. * Use tools like Guidewire Testing ...
$10.82 - $15.54
7% of jobs
$15.54 - $20.26
16% of jobs
$21.31 is the 25th percentile. Wages below this are outliers.
$20.26 - $24.98
9% of jobs
$24.98 - $29.70
3% of jobs
$29.70 - $34.42
10% of jobs
The median wage is $36.31 / hr.
$34.42 - $39.14
10% of jobs
$39.14 - $43.86
7% of jobs
$43.86 - $48.58
9% of jobs
$49.21 is the 75th percentile. Wages above this are outliers.
$48.58 - $53.30
16% of jobs
$53.30 - $58.02
6% of jobs
$58.02 - $62.74
5% of jobs
$10
$38
$62
| Aspect | Contract Tester | QA Tester |
|---|---|---|
| Credentials | Typically requires ISTQB or similar testing certifications | Often requires ISTQB or equivalent certifications |
| Work Environment | Usually project-based, contract roles in various industries | Permanent or temporary roles within organizations, often in software companies |
| Industry Usage | Common in IT, software development, and consulting firms | Widely used across software, manufacturing, and service industries |
| Search & Comparison Intent | Often compared for project-based testing roles | Compared for ongoing quality assurance positions |
Contract Testers focus on short-term, project-specific testing assignments, often requiring specialized certifications. QA Testers typically hold similar credentials but work in ongoing roles within organizations to ensure product quality over time. Both roles require strong testing skills, but their employment types and work environments differ.

Jersey City, NJ • On-site
Contractor
Re-posted 5 days ago
Role: Blockchain Tester
Location: Jersey City, NJ / Dallas, TX / Tampa, FL - onsite
Duration: 6 months
GBaMS ReqID: 10524162
Role Descriptions:
Functional Testing Test blockchain transactions| events| ledgers| and consensus flows Validate smart contract logic| state changes| and event triggers Test API integrations between blockchain nodes and external systems Verify wallet operations| digital signatures| and cryptographic flows
Ensure data integrity and immutability across blocks
2. Smart Contract Testing
Review smart contract requirements and design
Perform unit testing and functional testing of smart contracts Validate gas usage| error handling| and boundary conditions
Run contract test cases using frameworks like Truffle| Hardhat| Ganache| Foundry
3. AutomationBuild and execute automated test scripts for blockchain transactions
Use tools like oSelenium Cypress (UI) o Postman Newman (API) o Web3.js Ether.js automation for contract testing o Python JavaJS scripting for DLT validation
4. Non-Functional Testing Performance testing of blockchain nodes| transaction throughput| TPS Load and stress testing for network stability Validate latency| block creation time| and consensus delays5. Security TestingValidate private key management| encryption| hashing Test vulnerabilities including
oReentrancy oInteger over flowunder flow oFront running oDenial of service
oPermission and role-based accessUse scanners like MythX| Slither| Echidna
6. Test DocumentationCreate test plans| test cases| traceability matrix
Report defects with detailed logs and reproduce steps
Collaborate with developers| architects| and product owners
Required Skills Technical Skills
Strong experience in functional testing of distributed systems
Hands-on with at least one blockchain platform
Ethereum, Hyperledger Fabric Corda Quorum Polygon
Experience with smart contract testing API testing (Postman| Swagger)Ability to query blockchain data| logs| events
Experience with one programming scripting language
Java Python JavaScript Solidity basics Tools Truffle Hardhat GanacheWeb3.js Ether.js Docker Kubernetes (optional) JMeter Locust for performance testingGit| Jenkins| CICD pipelines
Preferred Skills
Understanding of consensus algorithms (PoW| PoS| PBFT| Raft)Knowledge of cryptography fundamentals hashing| signatures| wallets
Familiarity with DeFi| DApps| NFTs (if applicable)Experience in BFSI Capital Markets blockchain use cases (trade finance| KYC| settlements| tokenization)Strong analytical and debugging ability Problem-solving mindsetClear communication for cross-functional teams Ability to work in Agile environments
Strong understanding of blockchain fundamentals| consensus mechanisms| and cryptography.
Experience in Test user interfaces| frontend connectivity| wallet integrations| and API endpoints. Automation Experience Create| maintain| and execute automated test scripts for blockchain frameworks| Selenium Java.Experience in developing test scenarios for smart contract functionality| edge cases| and security vulnerabilit
Essential Skills:
Functional TestingTest blockchain transactions| events| ledgers| and consensus flows Validate smart contract logic| state changes| and event triggers Test API integrations between blockchain nodes and external systemsVerify wallet operations| digital signatures| and cryptographic flows Ensure data integrity and immutability across blocks
2. Smart Contract TestingReview smart contract requirements and design Perform unit testing and functional testing of smart contracts
Validate gas usage| error handling| and boundary conditions Run contract test cases using frameworks like Truffle| Hardhat| Ganache| Foundry
3. Automation Build and execute automated test scripts for blockchain transactions Use tools like o Selenium Cypress (UI) oPostman Newman (API) oWeb3.js Ether.js automation for contract testing oPython JavaJS scripting for DLT validation4. Non-Functional Testing
Performance testing of blockchain nodes| transaction throughput| TPS Load and stress testing for network stability Validate latency| block creation time| and consensus delays5. Security TestingValidate private key management| encrypt