Backend Developer

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.
Now, we are seeking a Senior Data Engineer
Responsibilities:
Design and implement high-performance, reusable, and scalable data models for our data warehouse / BI.
Continuously discover, transform, test, deploy, and document data sources and data models.
Apply, help define, and champion data warehouse governance, including data quality, testing, documentation, coding best practices, and peer reviews.
Take the initiative to improve and optimize analytics engineering workflows and platforms.
Engage with cross-functional teams, including application developers and data analysts, to understand business requirements and deliver tailored data solutions.
Requirements:
Strong proficiency in SQL.
Significant experience with cloud providers.
Strong experience modeling data warehouses and building data pipelines.
Hands-on experience with data platforms and technologies like ClickHouse, Kafka, and Airflow.
Experience with Python for data processing will be a plus.
English knowledge (at least level B1) is required.
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 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.
Now we are seeking a Senior Frontend Engineer.
Responsibilities:
Regular work on improving frontend performance (abbreviations like FCP, TTFB should not scare you).
Collaborating with other frontend developers on complex architectural issues.
Writing and maintaining tests.
Developing and maintaining crucial dashboards: performance, errors.
Improving common parts of code: UI components, utils, hooks, etc.
Developing frontend tech strategy: picking new tools or deprecating old ones, prioritization of tech backlog, organizing large-scale refactorings.
Requirements:
5+ years of JS experience. We use TypeScript and React.
5+ years of CSS experience. We use CSS Modules + PostCSS.
Ability to work with static checkers: ESlint, Stylelint.
Understanding frontend building processes.
Understanding CI/CD processes.
Expertise in common web areas, such as networking, rendering, caching, etc.
Basic InfoSec knowledges: understanding common web vulnerabilities and types of atacks.
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 seeking a talented Front End Engineer who specializes in Blockchain & Crypto technology, as well as possesses expertise in Web, Mobile & Software Development. As a Front End Engineer, you will be working on designing and implementing user interfaces for our innovative projects in the Blockchain and Crypto space. You will collaborate with cross-functional teams to deliver cutting-edge solutions that enhance user experience and functionality.
Responsibilities:
- Develop user-friendly interfaces for web and mobile applications using the latest technologies and industry best practices.
- Collaborate with back-end developers to integrate front end components with server-side logic.
- Optimize applications for maximum speed and scalability.
- Ensure the technical feasibility of UI/UX designs.
- Stay updated on emerging trends and technologies in front end development.
Requirements:
- Proven experience as a Front End Engineer or similar role.
- Strong proficiency in Blockchain & Crypto technology.
- Extensive knowledge of Web, Mobile & Software Development.
- Proficiency with front end languages such as HTML, CSS, JavaScript.
- Experience with frameworks such as React, Angular, Vue.js.
- Familiarity with RESTful APIs.
- Excellent problem-solving skills and attention to detail.
- Strong communication and teamwork skills.
If you are passionate about front end development and have a keen interest in Blockchain & Crypto technology, we invite you to join our dynamic team and contribute to driving innovation in the industry.

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.
Now we are seeking a Senior Frontend Engineer.
Responsibilities:
Regular work on improving frontend performance (abbreviations like FCP, TTFB should not scare you).
Collaborating with other frontend developers on complex architectural issues.
Writing and maintaining tests.
Developing and maintaining crucial dashboards: performance, errors.
Improving common parts of code: UI components, utils, hooks, etc.
Developing frontend tech strategy: picking new tools or deprecating old ones, prioritization of tech backlog, organizing large-scale refactorings.
Requirements:
5+ years of JS experience. We use TypeScript.
5+ years of CSS experience. We use CSS Modules + PostCSS.
Ability to work with static checkers: ESlint, Stylelint.
Understanding frontend building processes.
Understanding CI/CD processes.
Expertise in common web areas, such as networking, rendering, caching, etc.
Basic InfoSec knowledges: understanding common web vulnerabilities and types of atacks.
B2+ Level English.
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 seeking a DevOps Engineer with at least 6 years of experience across different companies to join our dynamic team. The ideal candidate will be passionate about automating processes, setting up and tuning infrastructure services, and supporting development and QA teams. This role involves being on-call for production issues and requires strong troubleshooting and logical thinking skills.
Responsibilities:
Automate repetitive tasks to enhance efficiency.
Set up, configure, and optimize infrastructure services.
Assist developers and QA with requests related to services, environment variables, deployment pipelines, and dashboards.
Serve as a duty DevOps engineer, handling routine tasks and being on-call for production issues.
Resolve production and development issues, leveraging strong troubleshooting skills.
Adjust and rewrite Prometheus alert expressions to be non-flapping and algorithmic.
Requirements:
Understanding of networking fundamentals.
Proficiency in Linux OS, including system metrics and filesystems.
Experience with PostgreSQL.
Experience with load balancers (we use Nginx/Traefik, AWS ELB/NLB).
Skilled in container orchestration using Docker and Kubernetes.
Experience with CI/CD processes, specifically with GitLab.
Knowledge of observability tools like Prometheus/VictoriaMetrics, Grafana, and ELK/EKF/OpenSearch.
Experience with Infrastructure as Code (IaC) using Ansible and Terraform.
Scripting abilities in Shell and Python.
English proficiency at an intermediate level (B1), capable of technical communication.
(Optional) Experience with Kafka, ClickHouse, RabbitMQ, Cloud services is a plus.
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.