Senior Software Engineer - HeightZero

Wallet in Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
We are looking for a Software Engineer (Platform) to join our team and help build and support high-load systems. Your main responsibility will be to create scalable and fault-tolerant solutions that ensure the platform's stability under heavy loads.
Responsibilities:
Develop and maintain high-load platform solutions.
Ensure the scalability and fault tolerance of services.
Optimize system performance to handle large amounts of data and users.
Collaborate with cross-functional teams to deliver the best platform engineering solutions.
Integrate with monitoring and alerting systems for timely detection and resolution of issues.
Participate in the design and implementation of new features.
 
Requirements:
5+ years of experience as a Software Engineer.
Understanding of distributed systems principles.
Proficiency in one or more programming languages (Go, Java, C++) and desire to write on Python or Kotlin.
Solid understanding of databases (SQL, NoSQL), query optimization, and handling large datasets.
Experience with monitoring, logging and distributed tracing tools.
 
Nice to Have:
Experience with microservices architecture.
Experience with containerization and orchestration tools (Kubernetes, Docker).
Familiarity with DevOps practices and experience implementing them.
 
Why it is a fantastic opportunity:
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.

Wallet in Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
We are looking for a Software Engineer (Platform) to join our team and help build and support high-load systems. Your main responsibility will be to create scalable and fault-tolerant solutions that ensure the platform's stability under heavy loads.
Responsibilities:
Develop and maintain high-load platform solutions.
Ensure the scalability and fault tolerance of services.
Optimize system performance to handle large amounts of data and users.
Collaborate with cross-functional teams to deliver the best platform engineering solutions.
Integrate with monitoring and alerting systems for timely detection and resolution of issues.
Participate in the design and implementation of new features.
Requirements:
5+ years of experience as a Software Engineer.
Understanding of distributed systems principles.
Proficiency in one or more programming languages (Go, Java, C++) and desire to write on Python or Kotlin.
Solid understanding of databases (SQL, NoSQL), query optimization, and handling large datasets.
Experience with monitoring, logging and distributed tracing tools.
Nice to Have:
Experience with microservices architecture.
Experience with containerization and orchestration tools (Kubernetes, Docker).
Familiarity with DevOps practices and experience implementing them.
Why it is a fantastic opportunity:
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.

We are looking for three experienced Senior Web3 Developers to join our team. You will be responsible for developing and maintaining our EVM chain-based Dapps and websites, ensuring they are secure, functional, and aligned with best practices. This is an exciting opportunity to work on cutting-edge blockchain projects in a collaborative environment.
Key Responsibilities:
•Development: Design, develop, and maintain Web3 applications using React, Node.js, and Solidity.
•Smart Contracts: Write, test, and deploy smart contracts on Ethereum and other major blockchain platforms (e.g., Binance Smart Chain, Polygon).
•Full-Stack Development: Work on both frontend and backend components to ensure seamless integration and performance.
•Collaboration: Collaborate with cross-functional teams to define, design, and ship new features.
•Code Review: Conduct code reviews to maintain code quality and share knowledge with the team.
•Security: Implement security best practices to protect our applications from common Web3 vulnerabilities.
Required Technical Skills:
•Extensive experience with Web3 technologies, including React, Node.js, and Solidity.
•Strong understanding of Ethereum and other major blockchain platforms.
•Proficiency in smart contract development and deployment.
•Experience with full-stack development, including frontend and backend integration.
•Familiarity with common Web3 vulnerabilities and security best practices.
•Strong skills in using Git for version control and collaboration.
Preferred Qualifications:
•Proven track record of developing and deploying Web3 applications.
•Experience with decentralized finance (DeFi) protocols.
•Excellent problem-solving skills and attention to detail.
•Strong communication skills for effective collaboration and reporting.
Project Details:
•Type: Full-time positions with potential for long-term engagement.
•Confidentiality: Non-disclosure agreements (NDAs) will be required to protect sensitive project information.
How to Apply:
If you are a passionate Web3 developer with a strong background in full-stack development, we would love to hear from you. Please submit your application including:
•A brief overview of your experience in Web3 and full-stack development.
•Examples of previous projects or related work.
•Your proposed rate and availability.
Looking forward to your reply.
Best Regards

Wallet on Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
Now we are seeking a QA Engineer to join our team.
Responsibilities:
Perform functional, regression, and integration testing to ensure the quality of software products on all supported platforms.
Identify, register, and analyze bugs, providing detailed reports to the development team.
Process and handle incoming incidents from the support team, ensuring timely resolution and documentation of solutions.
Maintain deployment to the production and further monitoring
Proactively participate in problems discussions and solving to deliver features to our users.
Requirements:
Proficient in Linux with experience in command line operations and familiarity with Docker.
Ability to write comprehensive test documentation and execute test cases effectively.
Basic knowledge of cryptocurrency concepts.
Proficiency in writing SQL queries, especially those involving complex joins and handling large datasets.
Familiarity and experience using JIRA, Confluence, Allure, and Notion for project management and documentation.
Experience utilizing sniffers and proxies such as Charles and Fiddler for network analysis.
Understanding of network protocols with the capability to work with JSON or XML formats.
Proficiency in using tools like Postman and curl for executing network requests.
Competency in utilizing developer tools within Google Chrome, Firefox, and Safari for debugging and analysis.
Proficient English skills at the B2 level with the ability to communicate within an English-speaking team environment.
Why it is a fantastic opportunity:
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.

Wallet on Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
We are looking for a talented and motivated Internal Tools Developer to join our team. The primary task is to create and maintain internal business applications using the Retool platform. The ideal candidate should have programming skills for Retool, be proficient in SQL, and effectively utilize JavaScript capabilities in their development work.
Responsibilities:
Develop and maintain internal applications on the Retool platform.
Create and optimize SQL queries in PostgreSQL.
Write JavaScript scripts to add logic and interact with Retool components.
Integrate Retool with external APIs and systems.
Collaborate with teams to understand their requirements and translate them into functional tools.
Support and enhance existing tools and applications.
Requirements:
Experience working with the Retool platform.
Ability to build and optimize complex SQL queries.
Proficiency in pure JavaScript.
Understanding of UX/UI design principles.
Ability to work independently and as part of a team.
Attention to detail and commitment to high-quality work.
Excellent communication skills and problem-solving abilities.
Why it is a fantastic opportunity:
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.