Debugging jobs in crypto and blockchain companies

About the Company:  Shardeum is building a layer 1, EVM-based, linearly scalable, smart contract platform that provides low gas fees forever while maintaining true decentralization and solid security through dynamic state sharding. Shardeum aims to be a chain capable of onboarding over a billion people to the crypto revolution, while also democratizing accessibility to decentralization. Shardeum’s mission is supported by prominent Venture Capitalists in the blockchain space, and we are on track to become one of the most widely used and well known smart contract platforms in blockchain history.We encourage you to browse our website, Whitepaper, Discord and YouTube channel to learn more about the project. You can even try downloading our validator software and joining our Testnet. We encourage people of all backgrounds to apply. Your talent and potential is what matters most to us. Shardeum is committed to creating an inclusive culture.About The Role: The Engineering team at Shardeum is responsible for delivering the Shardeum Mainnet, and developing the smart contract platform, the consensus layer and the protocol layer. We focus on building scalable, performant, secure and reliable software that can be downloaded by thousands of node operators to actualize the Shardeum network. In this position, you’ll have the opportunity to share and cultivate your ideas while innovating to enhance testing methodologies and various components of the Shardeum platform.  We tackle unique challenges that are yet to be addressed, making this role both exciting and rewarding. If you're eager to contribute to a project that holds significance in the global Web3 landscape, check out the details below: What You'll Be Doing: Own and manage the entire QA function and team, consisting of QA Testers and automation engineers. Develop and implement comprehensive QA strategies to ensure the quality of Shardeum’s decentralized platform. Design, develop, and maintain automated testing frameworks and suites. Conduct manual testing as needed, including: white box, integration, system and regression testing. Collaborate closely with development teams to integrate testing into the development workflow. Identify, document, and track bugs and issues until they are resolved. Perform regular reviews and audits of QA processes and standards. Participate in daily and weekly stand-ups, sprint planning and retrospectives with cross-functional teams, including development, product management, and operations, to maintain quality throughout the software development lifecycle. Stay updated on the latest industry trends and technologies to keep Shardeum’s QA practices at the forefront. What We're Looking For: 10+ years of experience in Quality Assurance, including 3+ years in a managerial role. Extensive knowledge of QA methodologies, tools, and processes. Proficiency in creating and managing automated test scripts using automation tools. Extensive experience with manual testing, and meticulous in ensuring comprehensive feature coverage. You excel in problem-solving and debugging. Experienced in Agile/Scrum methodologies. A solid understanding of the software development lifecycle and the role of QA within it. You demonstrate strong leadership, ownership and management skills. Strong communication skills - both verbal and written. We'd Love If You Have: Experience in the blockchain or decentralized applications space. You possess experience in programming languages like Node.js, Typescript or Rust. You’ve made contributions to open-source projects in the areas of QA and/or testing. You have a strong interest in Blockchain, Web3, AI, or Distributed Networks. Experience with consensus protocols and other blockchains Experience running a node in a blockchain network Familiarity with the Shardeum open source repos  Read the Bitcoin and Ethereum whitepapers We are building the infrastructure for Web 3.0. It's going to be a rollercoaster ride but promises to be fun.

What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. View all our open positions here: https://www.nethermind.io/open-roles We're seeking an experienced Smart Contract Security Auditor to join our team in safeguarding Web3 protocols and applications. As a key member of our security team, you'll conduct comprehensive audits of smart contracts while contributing to our blockchain infrastructure development. Responsibilities: Work directly with protocols in the Solana, Ethereum, StarkNet, and Polkadot ecosystems to review their code and help secure their protocols. Perform thorough security audits of smart contracts written in Solidity Develop and maintain security tooling using Golang to enhance our audit capabilities Collaborate with teammates to maintain and continually improve our existing blockchain security tools using modern software engineering practices. Develop new blockchain security tools. Engage in meetings with clients to discuss security and best practice improvements. Skills: Understanding of blockchain technology and the Ethereum network. Solid understanding of the Ethereum Virtual Machine. Fluency in Solidity smart contract security and Golang audit. Detailed understanding of common smart contract vulnerabilities. Fluency with common tools and frameworks used for the development and security analysis of smart contracts. Strong debugging skills and/or experience in reverse engineering. Portfolio of audit report. Nice to Haves: Good written and verbal communication skills. Understanding of most common DeFi applications. Publicly visible audit reports in your portfolio. Disclaimer: I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: [email protected] Keep up to date on what we are working on by following us on our social channels       Click here to view our Privacy Policy.

Are you passionate about delivering exceptional client experiences and excited to work in the dynamic cryptocurrency industry? Caleb & Brown, a leading global crypto brokerage, is seeking a motivated and client-focused individual to join our team as a Client Success Specialist. In this role, you'll support our global client base by ensuring seamless transactions, solving problems, and building lasting relationships. Responsibilities Provide prompt, friendly, and professional support via chat, phone, and email channels. Assist clients with inquiries, troubleshooting, and understanding our trading platform and operational processes. Collaborate with Senior Brokers, Associates, and internal teams to execute trades, deposits, and withdrawals. Monitor and facilitate client transactions to ensure a seamless experience. Handle and resolve unique or complex client cases in collaboration with cross-functional teams. Document and track customer interactions using tools like Zoom Phone, Intercom, Slack, Asana, and Salesforce. Triage internal support tickets and contribute to debugging product-related issues. Contribute to improving client support processes and delivering a 5-star service across all touchpoints. Build long-term relationships with clients, fostering trust and satisfaction. Requirements Excellent communication skills in written and verbal English. Strong problem-solving and analytical skills with attention to detail. Ability to multitask and thrive in a fast-paced environment. Empathy, patience, and a client-focused mindset. Proficiency with customer support tools such as Zoom Phone, Intercom, Slack, Asana, and Salesforce is preferred (training provided). Modest understanding of cryptocurrency markets and infrastructure is preferred but not mandatory. Preferred Skills/Qualifications Prior experience in client-facing roles or customer support. Bachelor’s degree in business or equivalent experience. A positive attitude and flexibility to adapt to evolving business needs. Join us at Caleb & Brown and play a key role in shaping the future of cryptocurrency!About the companyCaleb and Brown is the world’s leading cryptocurrency brokerage, providing a professional service by which our clients can safely buy, sell and swap cryptocurrencies through their very own personal broker. Founded by a small team of crypto experts in 2016, we have grown to a team of 50 staff with a head office located in Melbourne, serving 21,000 clients across 100+ countries through a personalised broker.By fostering a culture of crypto experience married with professional services, we are building the bridge to the traditional financial world via a personalised service model to ensure our customers are getting the right assistance in their cryptocurrency investment strategy.A recent report by EY predicted that by 2030, cryptocurrencies and related digital assets could employ 205,000 people in Australia, 17 times the existing workforce. Here's your chance to get in early!—Caleb and Brown is committed to a diverse and inclusive workplace. Caleb and Brown is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

ABOUT US HyperionDev is one of the largest providers of accelerated tech education in EMEA and one of the oldest providers of 'coding bootcamps' in the world. We work with top universities such as Imperial College London, The London School of Economics, The University of Edinburgh, and Stellenbosch University to deliver structured technical courses and bootcamps that accelerate people into fulfilling tech careers. We have been recognised as one of the top education technology scaleups in the world and gained the financial backing of Meta (previously Facebook) which recognised us as  the most socially impactful startup operating in Africa, where we initially started our work. We are dedicated to closing the global tech skills gap and we achieve this by integrating tech education with human mentorship and expert code review powered by a workforce in Southern Africa, which lowers the cost of an accessible education in technology. This model has been successful, allowing us to reach millions of learners a year from over 60 countries. We have also partnered with government bodies such as the UK's Department for Education who provide scholarships for students to study on our bootcamps and gain employment at companies such as AstraZeneca and the United Kingdom's National Health Service (NHS). We're backed by nearly 2000 investors, having raised the largest crowdfunding round of funding for an edtech company in history. As a primarily bootstrapped, profitable, and scale up tech business join us as we play our part in making the world a more stable, safer, and fair place.   ABOUT THE ROLE  As the Senior AWS Support Engineer, you will lead the design, implementation, and management of scalable and secure AWS  solutions. The role involves deploying cloud-based systems, optimising performance, and ensuring reliability while adhering to best practices and security standards. You will manage infrastructure as code, automate processes, and maintain high availability of services. Collaborating with cross-functional teams, you'll design and implement solutions meeting business requirements. RESPONSIBILITIES: Design, deploy, and maintain the AWS infrastructure to support the organisation's applications and services.  Implement and manage security measures to protect the AWS environment.  Monitor system performance and troubleshoot issues to ensure optimal performance and availability.  Create and maintain documentation related to AWS infrastructure architecture, processes, and procedures.  Participate in capacity planning and scalability efforts to meet business demands.  Collaborate with development teams to optimise application performance on the AWS platform. Stay up-to-date with industry trends and best practices in AWS infrastructure and cloud technologies. Support the wider organisation in installing, configuring and maintaining our business tools like Nutshell, MessageBird, Zendesk  Develop and maintain backend systems and APIs to support our applications. Write and review code, ensuring high standards in coding and programming practices. Integrate infrastructure solutions with backend services for seamless operations. KNOWLEDGE AND SKILLS:  In-depth knowledge of AWS services and infrastructure architecture.  Proficiency in scripting languages and infrastructure-as-code tools.  Strong understanding of network concepts and protocols.  Good understanding of  CI/CD pipelines and related tools.  Knowledge of GitHub or other similar code repositories is an advantage Experience with security measures and best practices in AWS.  Ability to work independently and collaboratively in a team environment.  Excellent problem-solving, debugging and troubleshooting skills.  Strong attention to detail and organisational abilities. Proficient in coding and backend development, with experience in languages like Python, Java, or Node.js. Experience in Identity and Access Management concepts and technologies to secure production and corporate access, such as: AAA frameworks, SSO, and security best practices related to identity. Experience configuring and troubleshooting federated identity solutions, including knowledge of concepts such as SAML, OIDC, RBAC, ABAC. Understanding of cryptography concepts (encryption types, modes of encryption, algorithms), underlying architecture that enables secure communication between users and servers (Digital certificates, Public Key Infrastructure). REQUIREMENTS Minimum Minimum of 2 years of experience in AWS Secops or a similar role. Strong knowledge of AWS services, including EC2, S3, RDS, VPC, EBS, CloudWatch, CloudTrail & AWS Backup and IAM.  Proficient in scripting languages such as Python, PowerShell, or Bash.  Experience with infrastructure-as-code tools like CloudFormation or Terraform.  Understanding of networking concepts and protocols.  Familiarity with security monitoring and reporting technologies, including secure-cloud configuration tools (i.e. CloudTrail, AWS Config, etc.) and monitoring/reporting tools (GuardDuty, Security Hub, etc.). Ability to troubleshoot and resolve infrastructure-related issues.  Excellent communication and collaboration skills.  Strong problem-solving and analytical abilities. Preferred  A Bachelor's degree in Computer Science, Information Technology, or a related field is preferred but not essential.  AWS certifications, such as AWS Certified Solutions Architect or AWS Certified DevOps Engineer.  Strong in Ubuntu or other Linux technologies Experience with containerization technologies like Docker and Kubernetes.  Knowledge of other cloud platforms, such as Azure or Google Cloud Knowledge of security and compliance standards (such as Common Vulnerabilities and Exposures (CVE) or Center for Internet Security (CIS) Benchmarks), Hardware Security Modules (HSM), safeguarding sensitive data and implementing security best practices. One or more security-related certifications, such as AWS Certified Security - Specialty, CISSP, CEH, CISA, CISM, Security+, OSCP, etc..   WORKING CONDITIONS Due to the seniority of this role, work outside of standard hours and times may be required. BENEFITS Hybrid work: We are a hybrid work organisation offering flexibility on your schedule. Remote working options are available for candidates not in proximity of a HyperionDev Campus Learn new tech skills: We offer our employees the opportunity to enrol part-time in our Coding Bootcamps. Join the heart of tech in Africa, Europe and the US: You'll work with the best of the best and rub shoulders with the world leaders in edtech, developer education, and developer assessments. Join one of the most ambitious and highest performing tech companies in the space, with a management team that draws their former experience from top tech companies. Life-changing work: Solve real problems that make education and tech careers accessible to those who need it most: you're allowed to brag about it.   OUR VALUES We're a people-forward company with a purpose that underlines everything we do. We're obsessed with the potential in people and challenge them to do their best work. We embrace a culture of growth and learning to deliver on our vision and ours is a relentless quest for improvement.

Seedify MetaStudios is looking for a talented and experienced Generalist Game Engineer to join one of the most unique UGC platforms in the games industry: Seedworld. You have a strong knowledge of a variety of game systems implementation with Unreal Engine and experience setting up or collaborating with other engineers implementing multiple systems for scalable game projects.Responsibilities:Collaborate closely with art, design, and development teams ensuring both visual and functional requirements are metImplement diverse game systems for prototyping and beyondOptimize and improve existing systems (including but not limited to gameplay, AI, data management, etc)Write clean, efficient, and maintainable codeParticipate in code reviewsCreate and maintain technical documentationKeeping an up-to-date knowledge of Unreal Engine and improvementsDebugging and profilingExperience:Experienced using Unreal Engine 5Experience in delivering timely prototypeExperience working in cross-discipline teamsExperience implementing scalable solutionsExperience in UI in AAA projects especially if MMO or UGCWorking Knowledge of C++Nice to have/Preferred/Bonus skills:Experience participating in building an MMO, Metaverse, or a AAA project in Unreal Engine 5Experience with blockchain projectExperienced in optimizing, profiling, and debugging in Unreal Engine 5Experience in developing engine editor toolsTeam Structure:You will be an integral part of a UE game engineering team (Seedwolrd), working closely with other UE engineers and in contact with the design and art teams for various core aspects of the game development implementation, or assisting in their implementation along with other engineers.Location:100% remoteBenefits:21 days of holidays / year + local bank holidays.Sick days.Budget for training/courses.Budget towards purchasing work equipment such as laptop.Monthly salary paid in stable coins (USDC)

Welcome to Playmate, your trusted partner in creating stunning, functional, and user-friendly websites that drive results. With a passion for innovation and a commitment to excellence, we are here to transform your online presence and help you achieve your digital goals.The RoleYou Will Be Responsible For Writing well-designed, testable and efficient code. Gathering and evaluating user feedback. Working as a part of a dynamic team to deliver winning products. Providing code documentation and other inputs to technical documents. Supporting continuous improvement by investigating alternatives and new technologies and presenting these for architectural review. Troubleshooting and debugging to optimise performance. Leading the design, creation, and implementation of a suite of software. Building a strong blockchain product offering. Ideal Profile You possess a Degree/Diploma in Computer Science, Engineering or related field. You have at least 3 year experience, ideally within a Software Architect or Software Engineer role. You have working knowledge of Web3, Solidity, Smart contract, Crypto and Ethereum You are highly goal driven and work well in fast paced environments You possess strong analytical skills and are comfortable dealing with numerical data You are a self-starter and demonstrate a high level of resilience What's on Offer? Work alongside & learn from best in class talent Flexible working options Attractive salary & benefits   The interview process     Coding test. Meet with CTO Final interview.     Salary     First 3 months: 12k - 16k USD 3+ months: 16k - 20k USD

We are looking for a detail-oriented QA Tester with experience in mobile games to join our team and who will be responsible for testing our games, identifying bugs and ensuring a smooth player experience. You’ll collaborate closely with the team to uphold our quality standards and contribute to creating a polished final product.All the responsibilities we'll trust you with:You'll test the mobile game across various platforms (iOS, Android) to identify and report bugs, glitches, and gameplay issues.You’ll perform functional, regression, and performance testing to ensure game quality and stability.You’ll collaborate closely with developers, designers, and other QA team members to understand game features, mechanics, and design goals.You’ll write clear and detailed bug reports, including reproduction steps, expected results, and actual results.You’ll execute test plans, test cases, and checklists throughout the development cycle.You’ll participate in daily stand-ups, sprint planning, and team meetings to provide updates on testing progress and issues.You’ll ensure the game meets platform-specific guidelines and requirements (Apple, Google).You’ll conduct usability testing to ensure a smooth and enjoyable user experience.You’ll stay up-to-date with the latest trends in mobile gaming and QA methodologies.What you'll bring to the team:At least 2 years of experience in QA for mobile games.Experience working with mobile devices, emulators, and debugging tools.Strong understanding of mobile platforms (iOS, Android) and their testing environments.Proficiency in bug tracking tool JIRA.Excellent attention to detail, with the ability to spot subtle issues in gameplay and UI.Knowledge of game development pipelines and agile workflows.Excellent English proficiency to collaborate effectively with our international team.Strong communication skills to effectively report and discuss issues with the development team.Passion for gaming, with a solid understanding of game mechanics and user experience principles.Why you'll love working with us:We’re 100% remote, work wherever you want forever!We offer unlimited holidays and sick days. Take as much time off as you need, to spend time with your family and friends or just because you feel like playing games all day. We trust our team and want to offer a modern work life balance that allows you to thrive both at work and in your personal life.You’ll be able to make an impact, to work closely with the rest of the team and its leads to work on one of the most promising upcoming games in the mobile gaming industry and the Web3 space.You’ll have a comfortable work schedule and stable workload. With a variety of tasks that will allow your constant professional development.We want our team to grow personally and professionally and support learning opportunities, especially with a focus around new AI tools and methods. We have a culture that puts our people first. We believe in open communication, creativity and the value of unique contributions from everyone in the team.We offer a competitive salary in addition to equity option plans.

Salary: P80,000 to P120,000 (Monthly Package) Schedule: Monday – Friday(09:00 AM - 06:00 PM AEST)   What are we looking for? Skills Required: At least 4 years of experience as an Application Support Engineer or experience with Web Application Frameworks (Laravel) Experience in debugging code in Laravel and working with MySQL/MariaDB Exposure to any application monitoring tool such as NewRelic and Datadog Experience with infrastructure as code and deployment via CI/CD Pipelines Nice to Have: AWS Experience (specifically EC2, Redis, RDS, S3, SQS, Cloudwatch) Previous experience in working in an Agile Environment is beneficial Collaborative and innovative, with a CI/CD approach to improving current systems & processes.  AWS Developer, SysOps Administrator or DevOps Engineer certification   What will you do? Provide operational support and engineering solutions for client's systems and applications Liaise with external partners, stakeholders, and development teams for support queries Gather and analyze metrics to enhance performance tuning and fault finding Manage incident response, conduct root cause analysis, and produce reports for major incidents Participate in system design, platform management, and planning Build and maintain sustainable systems and services through automation Create and update technical documentation and maintain a knowledge base Build and operate monitoring for security, availability, reliability, and performance Analyze current technology and develop processes for improvement and expansion   Join the awesome team and enjoy these benefits & perks: Home-based with occasional office-based work depending on the business needs Medical, Dental Coverage and Life insurance from day 1 of employment Paid Vacation and Sick Leave (with Quarterly Sick Leave Conversion) Competitive salary package and annual appraisal Financial Assistance Program Mandatory Government Benefits and 13th Month Pay Complimentary Sleeping Quarters, Coffee at no cost Complimentary Office Fitness and Wellness Facilities at no cost Regular Company Events, Work Life Balance, and Career growth opportunities Accessible location at the heart of Metro Manila --- the Mega Tower, EDSA   JOIN CONNECTOS NOW! ConnectOS is certified as a Great Place to Work and is a top-rated Philippines employer of choice.   Our client, the leading infrastructure provider based in Australia, offers embedded crypto solutions and facilitates opportunities in a fast-paced crypto economy. They have a global network of payment solutions and regulatory licenses, empowering businesses to seamlessly integrate crypto and fiat for global audiences while reducing fees and increasing conversion rates.   #ConnectOS #ConnectOSCareers #TeamConnectOS   Equal Employment Statement Employment decisions at ConnectOS will be conducted without consideration of factors such as age’, race, color, religion, gender, disability status, sexual orientation, gender identity or expression, genetic information, and marital status. ConnectOS ensures the full confidentiality of the data it processes.     About the company   Company overview ConnectOS is a leading provider of offshore talent for organisations in Australia, New Zealand, the US, Canada and the UK. For over a decade, we’ve been supporting our global clients with premium resourcing and productivity solutions.ConnectOS is one of the fastest-growing offshoring companies in the world. Founded by our Australian CEO, we help companies across a range of industries activate their capability strategies and optimise their business operations with smarter ways to solve resourcing challenges. Our vibrant, modern work environments achieve high levels of employee engagement: happy, healthy, committed people who love what they do. ConnectOS Team HQ is located at Mega Tower, EDSA in the heart of Manila, Philippines. Our Client Support HQ is based in Melbourne, Australia.   Why join us?Are you looking for a role that provides opportunities to develop and grow? Take the next step in your career journey with us! We’ll provide you with a professional support structure and benefits to ensure you can thrive. We offer Premium HMO, awesome technology and above-market remuneration. Our high performers are frequently invited to visit their colleagues internationally for professional development. We’re always searching for great talent to join our team. If you’d like be part of a fast-growing industry leader with an exceptional company culture, we’d love to hear from you: [email protected]