Quality Assurance Engineer (Mid - Senior)
Zielona Góra, Poland
Full time
Office
Compensation is not specified
Role
QA Engineer
Description
About us:
B2C2 is a digital asset pioneer focusing on building future-proof ecosystems. The firm enables institutional access to crypto through reliable liquidity services regardless of market conditions. Its success stems from utilizing crypto-native technology, continuous product innovation, and serving as a trusted partner for various institutions globally. Established in 2015, and acquired by SBI, a Japanese financial group in 2020, B2C2 operates independently. Headquartered in the UK, with additional offices in the US and Japan, B2C2 OTC Ltd. holds authorization and regulation by the UK’s Financial Conduct Authority (FRN 810834).
We take pride in our company culture and knack for attracting top talent aligned with our values. If you seek a role in a dynamic company within a burgeoning industry, continue reading.
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B2C2 stands out as a leading cryptocurrency trading firm, acting as a principal risk market maker to both exchanges and OTC clients. The mission is to enhance transparency and operational efficiencies within this evolving asset class.
By bridging traditional financial and cryptocurrency markets, B2C2 is the trusted liquidity provider for brokerages, exchanges, banks, and fund managers, with a globally dispersed team possessing extensive expertise in conventional financial and crypto markets.
Emphasizing company culture and the ability to bring in not only top-tier talent but the right individuals, we welcome those looking to be part of an exciting industry at a vibrant company.
Overview of Team:
The Quality Assurance team is dedicated to offering engineer-focused testing services with a skilled, small team covering all front and middle office systems and process testing utilizing automation for efficient testing and enhanced quality.
Collaborating across technology, trading, and various business units, we develop tools and processes essential for B2C2 to sustain innovation swiftly and create industry-leading systems for both clients and internal use.
Scope of Role:
As a quality assurance engineer, your duties will involve contributing to constructing strategic functional and non-functional test frameworks and tools while prioritizing release and project testing requirements.
Additionally, as part of multiple agile teams and the QA horizontal, close collaboration with developers and business stakeholders is essential. This role will work towards satisfying internal quality assurance objectives as well as meeting the visibility testing needs of both internal and external stakeholders such as the risk team and regulators.
Key Responsibilities:
- Maintain and review regression test packs
- Contribute to developing tooling and test frameworks for functional and non-functional testing
- Take ownership of testing and quality assurance for one or more project teams concurrently
- Deliver system and system integration testing for releases
- Support user acceptance testing (UAT) for high-risk projects
- Create automated tests to evaluate new and existing systems and developments
- Present testing reports to project stakeholders to facilitate testing sign-off and project conclusion
- Aid the support and development teams in diagnosing and investigating production issues and testing subsequent fixes
- Assist the head of QA in organizing and managing business-focused manual test cases and maintaining automated test cases
The list above does not include all responsibilities, and tasks can change based on evolving roles within the company and broader business objectives of B2C2.
Mandatory Skills:
- Designing test automation frameworks for intricate systems
- Java proficiency and developing Java-based test automation frameworks
- Establishing and utilizing tooling for non-functional testing
- Analyzing tests and creating test cases with a risk-focused approach
- Investigating complex issues across a system stack
Preferred Skills:
- Conducting test automation using Cucumber to define test cases, including UI automation
- Proficiency in Python and Rust, adaptable to learning and working with other languages
- Applying test analysis to high-frequency trading systems with focus on functionality and non-functionality
- Proficiency in KDB, Q, AWS, and Kubernetes
- Understanding of trading and middleware protocols and technologies, such as Redis, FIX protocol, REST APIs, and Websockets
- Keen interest in trading systems and cryptocurrency
At B2C2, a strong culture underpins our success. We are an ambitious, innovative, meritocratic, collegiate, and risk-aware organization, striving for excellence in all aspects.
Equal Employment Opportunities Policy:
B2C2 upholds a commitment to equal employment opportunities for applicants and employees across various backgrounds. Discrimination based on race, color, religion, gender, national origin, age, disability, genetic information, marital status, or any other protected category is strictly prohibited. The company fosters an inclusive environment to attract, engage, promote, and retain the best talent by offering flexible working arrangements for its employees.
Skills Required
B2C2
Website
www.b2c2.comCompany size
Not specified
Location
United States
Description
B2C2 is a leading crypto-native liquidity provider across market conditions for institutions globally.
Rivalz Network
Project Manager
Full time
Remote
Job Description: Project Manager
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply
Submit your resume and cover letter at humaira@rivalz.ai
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply
Submit your resume and cover letter at humaira@rivalz.ai
Rivalz Network
AI Researcher (mid-level)
Full time
Remote
Rivalz Network
Rivalz Network’s infrastructure abstracts the complexities of connecting AI services and agents to various real-world resources. By orchestrating resource-backed agents, providing a decentralized data layer for secure processing and retrieval, enabling verifiable requests through an AI oracle, mapping both identity and resources seamlessly, and offering an AI x Web3 platform for fast application publishing and monetization, Rivalz empowers teams to bridge digital and physical ecosystems. Our ultimate goal is to unlock the full potential of an agent-centric future, enabling developers and no-code builders alike to harness AI-driven solutions with ease.
Working at Rivalz
We embrace a flexible, globally distributed environment that allows our team members to work from where they’re most comfortable—whether that’s at home or on the move. We leverage virtual collaboration and remote-friendly policies, enabling you to balance your personal life, family commitments, and professional goals. Wherever you are, you’ll be an integral part of our team which is shaping the future of AI, blockchain, and decentralized infrastructures. Join Rivalz’s forward-thinking AI Research team to push machine learning and agent-centric design, delivering impactful AI-Web3 solutions that empower innovators worldwide.
About the Role: AI Researcher (Mid-Level)
As a Mid-Level AI Researcher at Rivalz, you will play a key role in advancing our AI capabilities for seamless integration with real-world resources. You’ll spearhead novel research initiatives, publish findings, and architect solutions that drive our decentralized, agent-centric vision. If you’re eager to explore cutting-edge machine learning, deep learning, and blockchain, while seeing your work rapidly deployed in production, this is the perfect opportunity for you.
Key Responsibilities
Innovate & Research: Conduct advanced AI research in ML and DL to address complex challenges.
Design & Prototype: Architect and evaluate novel AI models for decentralized infrastructures.
Collaboration & Deployment: Work with cross-functional teams to develop production-ready AI solutions.
Open-Source & Community: Maintain a strong GitHub presence and engage with the broader AI/Web3 community.
Thought Leadership: Stay current with emerging AI trends to continually refine Rivalz’s infrastructure.
Real-World Integration: Expand AI’s reach into both digital and physical ecosystems for seamless interoperability.
Qualifications
Educational Background: Bachelor’s in Computer Science or related field (Master’s/PhD preferred).
Technical Expertise: Proficiency in Python, ML frameworks, and experience with LLMs/generative AI.
Blockchain Familiarity: Exposure to decentralized systems and their intersection with AI is a bonus.
Research & Publication: Track record in AI research, open-source contributions, or academic publications.
Collaboration & Communication: Strong interpersonal skills for distributed team coordination.
Adaptability & Problem-Solving: Ability to navigate evolving technologies with iterative, data-driven approaches.
Join us at Rivalz and be part of a pioneering team that’s redefining how AI agents interact with the world. Contribute your expertise, collaborate across disciplines, and help shape the agent-centric future.
How to Apply:
Submit your cover letter and resume at humaira@rivalz.ai
Rivalz Network’s infrastructure abstracts the complexities of connecting AI services and agents to various real-world resources. By orchestrating resource-backed agents, providing a decentralized data layer for secure processing and retrieval, enabling verifiable requests through an AI oracle, mapping both identity and resources seamlessly, and offering an AI x Web3 platform for fast application publishing and monetization, Rivalz empowers teams to bridge digital and physical ecosystems. Our ultimate goal is to unlock the full potential of an agent-centric future, enabling developers and no-code builders alike to harness AI-driven solutions with ease.
Working at Rivalz
We embrace a flexible, globally distributed environment that allows our team members to work from where they’re most comfortable—whether that’s at home or on the move. We leverage virtual collaboration and remote-friendly policies, enabling you to balance your personal life, family commitments, and professional goals. Wherever you are, you’ll be an integral part of our team which is shaping the future of AI, blockchain, and decentralized infrastructures. Join Rivalz’s forward-thinking AI Research team to push machine learning and agent-centric design, delivering impactful AI-Web3 solutions that empower innovators worldwide.
About the Role: AI Researcher (Mid-Level)
As a Mid-Level AI Researcher at Rivalz, you will play a key role in advancing our AI capabilities for seamless integration with real-world resources. You’ll spearhead novel research initiatives, publish findings, and architect solutions that drive our decentralized, agent-centric vision. If you’re eager to explore cutting-edge machine learning, deep learning, and blockchain, while seeing your work rapidly deployed in production, this is the perfect opportunity for you.
Key Responsibilities
Innovate & Research: Conduct advanced AI research in ML and DL to address complex challenges.
Design & Prototype: Architect and evaluate novel AI models for decentralized infrastructures.
Collaboration & Deployment: Work with cross-functional teams to develop production-ready AI solutions.
Open-Source & Community: Maintain a strong GitHub presence and engage with the broader AI/Web3 community.
Thought Leadership: Stay current with emerging AI trends to continually refine Rivalz’s infrastructure.
Real-World Integration: Expand AI’s reach into both digital and physical ecosystems for seamless interoperability.
Qualifications
Educational Background: Bachelor’s in Computer Science or related field (Master’s/PhD preferred).
Technical Expertise: Proficiency in Python, ML frameworks, and experience with LLMs/generative AI.
Blockchain Familiarity: Exposure to decentralized systems and their intersection with AI is a bonus.
Research & Publication: Track record in AI research, open-source contributions, or academic publications.
Collaboration & Communication: Strong interpersonal skills for distributed team coordination.
Adaptability & Problem-Solving: Ability to navigate evolving technologies with iterative, data-driven approaches.
Join us at Rivalz and be part of a pioneering team that’s redefining how AI agents interact with the world. Contribute your expertise, collaborate across disciplines, and help shape the agent-centric future.
How to Apply:
Submit your cover letter and resume at humaira@rivalz.ai
Rivalz Network
Social Media Manager & Content Strategist
Full time
Remote
Job Description: Social Media Manager & Content Strategist
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
About the Role:
We are seeking a dynamic Social Media & Content Strategist to join our team and take charge of our digital presence. This individual will be a master of trends, an engaging writer, and a visionary strategist who knows how to captivate audiences, build communities, and analyze performance metrics to drive results.
Key Responsibilities:
o Stay ahead of the curve with the latest in social media tools, trends, and
emerging technologies, including AI and Web3.
o Proactively identify opportunities to integrate trends into our content strategy.
o Craft compelling short-form and long-form content that sparks conversation and
resonates with diverse audiences.
o Ensure all content aligns with the brand voice and objectives.
o Oversee the creation, curation, and management of content across all social
platforms, blogs, and newsletters.
o Collaborate with designers, videographers, and other team members to deliver
high-quality assets.
o Foster authentic interactions with audiences to build trust, loyalty, and meaningful
engagement.
o Create feedback loops to continuously improve the brand & connection with its community.
o Monitor and analyze performance metrics to evaluate the success of campaigns.
o Adjust strategies to maximize reach, engagement, and overall impact based on
data-driven insights.
Qualifications:
Proven experience in social media management, content creation, or a similar role.
Exceptional writing and storytelling skills.
Deep knowledge of AI, Web3, and emerging digital trends.
Proficiency in analytics tools (e.g., Google Analytics, social media insights).
Strong organizational and project management skills.
Passion for building and nurturing communities.
Why Join Rivalz Network?
Be part of a pioneering team shaping the future of AI and blockchain integration.
Work in a collaborative, forward-thinking, and innovative environment.
Play a crucial role in building the voice and strategy of a revolutionary brand.
Compensation will be based on your experience.
How to apply
Submit your cover letter and Resume at humaira@rivalz.ai
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
About the Role:
We are seeking a dynamic Social Media & Content Strategist to join our team and take charge of our digital presence. This individual will be a master of trends, an engaging writer, and a visionary strategist who knows how to captivate audiences, build communities, and analyze performance metrics to drive results.
Key Responsibilities:
o Stay ahead of the curve with the latest in social media tools, trends, and
emerging technologies, including AI and Web3.
o Proactively identify opportunities to integrate trends into our content strategy.
o Craft compelling short-form and long-form content that sparks conversation and
resonates with diverse audiences.
o Ensure all content aligns with the brand voice and objectives.
o Oversee the creation, curation, and management of content across all social
platforms, blogs, and newsletters.
o Collaborate with designers, videographers, and other team members to deliver
high-quality assets.
o Foster authentic interactions with audiences to build trust, loyalty, and meaningful
engagement.
o Create feedback loops to continuously improve the brand & connection with its community.
o Monitor and analyze performance metrics to evaluate the success of campaigns.
o Adjust strategies to maximize reach, engagement, and overall impact based on
data-driven insights.
Qualifications:
Proven experience in social media management, content creation, or a similar role.
Exceptional writing and storytelling skills.
Deep knowledge of AI, Web3, and emerging digital trends.
Proficiency in analytics tools (e.g., Google Analytics, social media insights).
Strong organizational and project management skills.
Passion for building and nurturing communities.
Why Join Rivalz Network?
Be part of a pioneering team shaping the future of AI and blockchain integration.
Work in a collaborative, forward-thinking, and innovative environment.
Play a crucial role in building the voice and strategy of a revolutionary brand.
Compensation will be based on your experience.
How to apply
Submit your cover letter and Resume at humaira@rivalz.ai
Rivalz
Project Manager
Full time
Remote
Job Description: Project Manager
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply?
Send your resume and Cover letter to humaira@rivalz.ai
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply?
Send your resume and Cover letter to humaira@rivalz.ai
Payment in Crypto
Arcanium Labs
Solidity Developer Required For Avalanche Based Web3 StartUp
New York, USA
New York, USA
Part time
Remote
We are seeking an experienced and enthusiastic technical developer with good knowledge of Solidity and the Avalanche Chain, who can create complex smart contracts.
You will be joining as a technical co-founder, with financial compensation. We will pay up to $200 for each task completed. You will be eligible for a more fixed contract and salary as Lead Engineer as the start-up matures.
You will be joining as a technical co-founder, with financial compensation. We will pay up to $200 for each task completed. You will be eligible for a more fixed contract and salary as Lead Engineer as the start-up matures.