Senior SDET Jobs

Senior SDET

Location

United States , Flowood

Salary:

Not provided

PhasorSoft Group

Expiration Date

Until further notice

Requirements

Proficiency in building automated test scripts and frameworks using tools such as Selenium, Cypress, or Appium
Strong programming skills in languages like Java, Python, or C# for automation
Experience in testing web applications, APIs, and mobile apps
Knowledge of testing frameworks such as JUnit, TestNG, pytest, or NUnit
Experience with CI/CD tools like Jenkins, GitLab CI/CD, or Azure DevOps for automation
Familiarity with Agile/Scrum practices and ceremonies
Understanding of software development life cycle (SDLC) and version control systems like Git
Ability to design comprehensive test plans, test cases, and test strategies
Experience with defect tracking tools such as Jira, Bugzilla, or similar
Strong analytical and problem-solving skills for debugging issues

Job Responsibility

Develop and maintain automated test scripts and frameworks for web and mobile applications using tools like Selenium, Cypress, or Appium
Design and implement test plans, test cases, and test strategies to ensure software quality
Collaborate with cross-functional teams to understand requirements and provide input on testability
Execute automated test suites and analyze results to identify defects and regressions
Investigate and debug issues, working closely with developers to resolve them
Implement and maintain CI/CD pipelines for continuous testing and integration using tools such as Jenkins, GitLab CI/CD, or Azure DevOps
Participate in Agile/Scrum ceremonies such as sprint planning, daily stand-ups, and retrospectives
Provide technical guidance and mentorship on test automation best practices
Stay updated with industry trends and tools related to test automation and quality assurance
Contribute to improving overall software development processes and quality

Fulltime

New

Senior SDET (QA Automation, TypeScript)

We are looking for a Senior SDET (QA Automation) to join a team of fierce and fu...

Location

Salary:

Not provided

Serokell

Expiration Date

Until further notice

Requirements

5+ years of QA in blockchain or fintech
Strong TypeScript automation expertise (Playwright, Jest, Node-based frameworks)
Deep understanding of TypeScript fundamentals, SOLID principles, and core data structures
Proven experience with API / UI / CLI automation at scale
Security testing experience
CI/CD integration experience (GitHub Actions, Docker
parallel pipelines)
Advanced Git proficiency

Job Responsibility

Own QA automation from pre-launch through post-launch stabilization
Build and maintain TypeScript-first test suites (Playwright, Jest, Node-based tooling)
Design scalable API, UI, and CLI test coverage with reliable signals at scale
Integrate tests into CI/CD (GitHub Actions, Docker
parallel pipelines) and enforce quality gates
Create and manage containerized test environments (Docker, K8s) and test data
Validate functional correctness and protocol interoperability
verify critical on-chain/user flows (when in scope)
Author and maintain manual and automated test cases where needed
keep documentation current

What we offer

Competitive salary
Attractive international projects
Participation in the leading world conferences
International teams and multicultural environment
Fully remote work and flexible working hours
Possibility to take days off at any time you need
Investment in your professional and career growth, which will correspond to wage growth
Mentoring and training
Opportunity to contribute to one of the functional programming industry’s leading blogs
Therapy sessions to support your well-being

Senior SDET

At Ledger, we’re proud to be the global platform for digital assets and Web3, wi...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

Hands-on experience in developing test automation solutions using Typescript (Python is optional)
Proficiency using QA Automation Frameworks : Playwright, Detox or Selenium
Proficient in front-end and back-end testing tools and approaches
Good knowledge of development processes, design patterns and programming principles
Prior experience designing workflows and building CI/CD pipelines
Able to work effectively across multiple teams, build strong technical relationships, and operate in a highly collaborative environment
Curious, pragmatic, and innovative — you stay current with industry trends, challenge assumptions, and identify opportunities to improve quality and engineering efficiency
Strong communication and influence skills in spoken and written English, capable of explaining risks, trade-offs, and technical constraints clearly to both engineers and non-engineers
Broad technical awareness across different codebases, platforms, and testing approaches, with the ability to quickly understand new areas and guide teams toward better quality practices
Solid understanding of Bash/shell scripting and comfortable working with Kubernetes-based infrastructure (logs, pods, CI environments, debugging test environments, etc.)

Job Responsibility

Designing and improving tools, workflows, and processes that strengthen quality across the SDLC
Performing manual testing when automation is not practical or when deep exploratory validation is required
Building new and maintaining existing workflows for CI/CD pipelines
Maintaining automation frameworks and test tooling (primarily TypeScript
Python appreciated but optional)
Improving test coverage and helping teams integrate automated testing into their development routines
Integrating automated testing into Quality Assurance practices
Running workshops, coaching sessions, and pair-testing/pair-programming to raise automation maturity across teams
Communicating with product squads about the improvements following the strategy, sharing of experiences, best practices and lessons learnt

What we offer

Flexible work options - Our hybrid policy allows employees to work from home up to 3 times per week
Health & Wellness support - Health and Life Insurance
Financial growth opportunities - Employees can become shareholders in Ledger as well as other financial benefits depending on your country of work
Commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation
Learning & Development - A comprehensive suite of training solutions providing a personalised learning experience for every employee

Fulltime

Senior SDET

As an SDET at Ledger, you'll collaborate with a team of QA Automation Engineers ...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

Hands-on experience in developing test automation solutions using TypeScript
Experience in a web automation testing framework such as Playwright, Detox or Selenium
Proficient in front-end and back-end testing tools and approaches
Good knowledge of development processes, design patterns and programming principles
Prior experience designing workflows and building CI/CD pipelines
Strong analytical and problem-solving skills
Team player and able to work in a collaborative environment
Ability to think outside of the box and be innovative by keeping abreast of new trends, identifying opportunities to bring in change for business benefit
Strong communication skills in spoken and written English

Job Responsibility

Designing and developing tools to improve quality assurance process for all contributors of SDLC
Build new and maintain existing workflows for CI/CD pipelines
Creating and developing test automation frameworks
Developing and implementing processes and approaches for effective automation testing
Integrating automated testing into Quality Assurance practices
Conducting workshops and pair-programming sessions with different teams
Communicating with product squads about the improvements following the strategy, sharing of experiences, best practices and lessons learnt

What we offer

Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow
Flexibility: A hybrid work policy
Social: Annual company outing for Ledgerdary Days, plus frequent social events, snacks and drinks
Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage
Well-being: Personal development, coaching & fitness with our dedicated partners
Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days
High tech: Access to high performance office equipment and gadgets, including Apple products
Transport: Ledger reimburses part of your preferred means of transportation
Discounts: Employee discount on all our products

Fulltime

Senior Engineer, Sdet

The Sr Software Development Engineer in Test (SDET) is responsible for developin...

Location

United States , Bellevue

Salary:

Not provided

T-Mobile

Expiration Date

Until further notice

Requirements

Bachelor's degree in Software Engineering, Computer Science or a related field with 5 years of relevant work experience
proficiency in 3 or more development languages such as C#, Java, JavaScript
proficiency in 3 or more automation tools such as Selenium, TestNG, Postman
experience with Test Driven Development and Behavior Driven Development methodologies
experience using CA Service Virtualization or equivalent
proficiency in agile project management systems
experience in designing and developing applications for Unix or Windows environments, mobile platforms, or multi-tiered applications
knowledge of AI and machine learning concepts including model evaluation and validation techniques
knowledge of version control systems like Git
strong problem-solving and analytical skills.

Job Responsibility

Design and implement robust testing strategies for Generative AI solutions
test functionality, performance accuracy, and production sampling
collaborate with data scientists and ML engineers
develop and maintain automated test suites for AI/ML pipelines and APIs
validate AI generative solutions for bias, fairness, and ethical compliance
provide internal training on Continuous Testing
contribute to the evolution of testing practices and quality standards
lead defect management and test strategies
clarify test requirements and provide estimates for tasks.

What we offer

Medical, dental, and vision insurance
flexible spending account
401(k) plan
employee stock grants
employee stock purchase plan
paid parental and family leave
family building benefits
childcare subsidy
short-term and long-term disability insurance
life and accident insurance

Fulltime

Senior Software Quality Engineer (SDET)

We are looking for a highly skilled Senior Software Quality Engineer (SDET) to l...

Location

United States , Mountain View

Salary:

210000.00 - 257000.00 USD / Year

EarnIn

Expiration Date

Until further notice

Requirements

4+ years of experience in web and mobile testing, with a strong emphasis on test automation
Proven expertise in designing and maintaining scalable test automation frameworks
Hands-on experience with mobile testing frameworks such as XCUITest (iOS) and Espresso (Android), and web frameworks like Playwright
Strong understanding of testing across microservices, APIs, and distributed systems
Ability to analyze and debug complex test failures, automation issues, and defects efficiently
Familiarity with generative AI applications in quality engineering (test case generation, API contract validation, log intelligence, etc.)
Passion for leveraging AI to reduce manual effort, increase coverage, and accelerate release cycles
Proven experience supporting weekly release cycles with a mix of manual and automated regression testing
Strong analytical, debugging, and problem-solving skills
Experience collaborating with global teams across multiple time zones

Job Responsibility

Lead the design, development, and execution of comprehensive test plans and test cases across frontend (web & mobile), backend services, APIs, and databases
Implement industry best practices in manual and automated testing to ensure exceptional product quality, reliability, scalability, and performance
Identify, document, and track software defects and inconsistencies with a data-driven, proactive approach to prevention and continuous improvement
Introduce and operationalize AI-based testing techniques
Integrate AI code analysis, anomaly detection, and observability insights into quality workflows to improve speed, coverage, and accuracy
Evaluate and implement emerging AI-driven QA tools to evolve the quality engineering ecosystem
Champion an AI-first quality culture by promoting experimentation, learning, and collaboration across engineering teams
Design, build, optimize, and maintain scalable automation frameworks using Playwright, Appium, Espresso, XCUITest, REST Assured, and other relevant tools
Integrate automated tests into CI/CD pipelines (Jenkins, GitHub Actions, etc.) to ensure fast, reliable, and safe deployments and releases on both apps(iOS and Android) and services
Build tooling that empowers developers with self-service test execution, reporting, and analysis

What we offer

equity
healthcare
internet/cell phone reimbursement
learning and development stipend

Fulltime

Senior Software Development Engineer Test

We seek an experienced, passionate, and resourceful SDET. You will play a critic...

Location

Mexico , Mexico City

Salary:

Not provided

EarnIn

Expiration Date

Until further notice

Requirements

4+ years of experience transforming QA processes and introducing innovative solutions (ideally involving AI/ML or intelligent automation)
Strong background in backend and API testing, automation, and best practices
Familiarity with AI-powered test automation
Ability to define test strategies and methodologies, and lead best practice adoption
Proven ability to work effectively with globally distributed teams
Bachelor’s degree in Computer Science, Computer Engineering, or equivalent experience required

Job Responsibility

Design, develop, and execute test plans and cases across backend services, APIs, and databases
Champion backend test automation, especially around API testing
Lead initiatives to integrate AI-driven tools and agents into the testing pipeline to improve velocity and coverage
Build and scale AI tooling across backend, general, and simulation testing
Author, maintain, and evolve automated test frameworks using tools such as Playwright or similar
Identify and debug automation and application failures
drive resolution with development teams
Collaborate cross-functionally with developers to ensure comprehensive testing strategies
Contribute to and improve team processes, tooling, and standards to raise the overall bar for quality
Participate actively in Agile ceremonies and offer thought leadership in testing methodologies and process improvements

What we offer

healthcare
internet reimbursement
cell phone reimbursement
learning and development stipend
potential opportunities to travel to headquarters

Senior Software Development Engineer in Test

We are seeking a skilled Senior Software Development Engineer in Test (SDET), fr...

Location

United States , Mountain View

Salary:

120000.00 - 210000.00 USD / Year

Inworld AI

Expiration Date

Until further notice

Requirements

5+ years of experience in software/game development with a focus on C++, C#, Python, NodeJS or similar programming languages and test automation
Hands-on experience with automation tools and CI/CD processes (GitHub Actions, Jenkins, etc.)

Job Responsibility

Design, create and maintain test cases and suites for our most important priorities, such as the Inworld Runtime, TTS and other APIs
Expand and improve our test infrastructure, whether it’s in Playwright, Python, C++, NodeJS, Unreal, or Unity
Develop and evolve other tools and CI/CD workflows related to our automated tests, including GitHub actions/workflows
Collaborate across roles (engineering, product, project management, etc) to ensure our results are high quality and we stay focused on the benefit to our customers and their end users

What we offer

bonus
equity
benefits

Fulltime

Senior SDET

Ledger

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
November 03, 2025

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Ledger

Location:United Kingdom, London

Category:IT - Software Development

Contract Type:Not provided

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Job Description:

Job Responsibility:

Requirements:

Additional Information:

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