IdeaSoft

We’re looking for a Senior Full Stack Engineer to join the development of a high-security, multi-platform cryptocurrency wallet.

The project focuses on building a secure and user-friendly solution for storing and managing digital assets, with seamless synchronization across web and mobile platforms. A key goal of the product is to eliminate platform fragmentation while maintaining advanced security standards.

In the short term, the work will include a full renewal of the Wallet — an updated UI, refreshed design system, and the introduction of a points feature powered by SaaS services.
In the long term, the team will focus on improving the product based on real user feedback, enhancing overall user experience, and maintaining high product quality by fixing and refining existing functionality.

Technology stack:

Language: TypeScript
Framework: Nextjs,(14+),NestJs, Tailwind CSS
(Database Backend: PostgreSQL)
System Control Version: Github, Git
Technology: Graphql

Responsibilities:

• Design, develop, and implement blockchain solutions using Node.js, JavaScript, and TypeScript, following clean code principles
• Collaborate with the team to define project requirements and architecture for blockchain-based applications
• Integrate blockchain functionality into new and existing systems and applications
• Perform code reviews and ensure the quality and security of the developed software
• Develop and maintain tests for components
• Collaborate with other developers and stakeholders to identify and implement improvements.

Professional requirements:

• Strong knowledge of JavaScript/Typescript, with a focus on writing clean, maintainable code
• 3+ years of commercial experience as a full-stack engineer with NodeJS (NestJS)
• Strong understanding of the event loop in Node.js and its implications on application performance and scalability
• 2+ years of commercial experience with ReactJS
• Familiarity with asynchronous programming concepts, including Promises and async/await
• Experience with optimizing code performance and addressing blocking and concurrency issues in event-driven systems
• Solid understanding of blockchain technology, cryptographic principles, and decentralized systems
• Experience with viem, ethers.js or similar libraries for interacting with blockchain networks
• Strong problem-solving skills and the ability to troubleshoot complex issues;
• Experience with testing frameworks such as Mocha
• Proficiency in writing unit tests, integration tests, and end-to-end tests for Node.js and blockchain components
• Experience with PostgreSQL databases and query languages (e.g. SQL)
• Familiarity with database design and optimization principles
• Ability to write efficient and scalable database queries and manage data persistence in blockchain applications.

Will be a plus:

• Experience with Key-Value storages
• Experience with Docker
• Experience with cloud infrastructure platforms.
   

We offer:

• Competitive compensation
• Social package (24 working days of annual leave, 5 paid sick days)
• Flexible working hours
• Challenging projects in diverse business domains and a variety of tech stacks
• Personal development and professional growth opportunities
• Work with talented, ambitious and family-feel teams
• Educational possibilities: corporate courses, knowledge hubs, and in-house English classes
• Compensation for your professional certification & support for your learning activities
• Opportunity to choose IT equipment you like
• Corporate social responsibility

Vacancy Description

Our platform is a secure, scalable cryptocurrency payment gateway designed to facilitate seamless cryptocurrency deposits, conversions, and fiat withdrawals. It provides a user-friendly and efficient experience for both individual users and businesses, ensuring smooth and transparent transactions.

Requirements

• 5+ years of professional DevOps or infrastructure experience, including leadership or mentorship roles.
• Hands-on experience with Web3/Blockchain projects and related infrastructure
• Deep expertise in at least one major cloud provider (AWS preferred) and familiarity with others.
• Strong hands-on experience with Terraform or CloudFormation.
• Proven production-grade Kubernetes experience: cluster provisioning (EKS, GKE, AKS), Helm charts, Operators.
• Design, implementation, and maintenance of CI/CD pipelines using GitLab CI (preferred), Argo CD, or similar tools.
• Proficiency in scripting languages for automation and custom tooling.
• Knowledge of secrets management (Vault, AWS Secrets Manager, Azure Key Vault).
• Solid understanding of TCP/IP, DNS, load balancing, CDN integration, and network security concepts.
• Experience designing storage strategies (block/object), backup, restore, and Disaster Recovery planning.
• Hands-on experience deploying and scaling relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra) databases.
• Familiarity with cache systems (Redis, Memcached) and message queues (RabbitMQ, Kafka).
• Ability to intervene in operational matters and assist the team directly when necessary.
• Excellent communication and collaboration skills with cross-functional stakeholders.
• High attention to detail, reliability, and ability to meet deadlines in a fast-paced environment.
• Capability to identify risks early, communicate options clearly, and drive timely mitigation.
• Be on time, prepared, and reliable for meetings, handoffs, and releases.

• English skills at least Upper-intermediate.

   

Would be a plus

• Experience with enclaves and secure environments (SGX, Nitro Enclaves or similar)
• Strong consultative skills: ability to translate client business goals into technical requirements and actionable roadmaps.
• Comfort working with multiple concurrent client projects, balancing competing priorities, and triaging incidents.
• Exceptional verbal and written communication: present technical solutions, write clear documentation, and lead regular status meetings with both technical and non-technical stakeholders.
• Passion for upskilling team members: conduct workshops on new tools (e.g., migrating on-premise workloads to Kubernetes) or share best practices for secure coding and infrastructure hardening.

• Understanding of more complex blockchain-related terms and concepts (rollups, smart-contracts, consensus, etc.)

   

Responsibilities

• Define and maintain a unified DevOps roadmap aligned with both company standards and client business objectives.
• Continuously evaluate new tools, platforms, and best practices to improve delivery speed, reliability, and security.
• Architect and implement CI/CD pipelines for diverse technology stacks (microservices, monoliths, serverless).
• Develop and maintain Infrastructure-as-Code (IaC) modules (Terraform, CloudFormation) for reproducible environments.
• Oversee container orchestration (Kubernetes, Docker Swarm) and related tooling (Helm, Istio, Argo CD).
• Define and enforce network, storage, and compute configurations to meet scalability and high-availability requirements.
• Evaluate, select, and integrate monitoring, logging, and alerting solutions (Prometheus, Grafana, ELK).
• Supervise and mentor a distributed DevOps team, guiding them through technical challenges.
• Establish best practices for peer reviews, knowledge sharing, and continuous learning.
• Coordinate with project managers, QA, security, and development leads to ensure cross-functional alignment.

This project focuses on the full-scale launch of a new stablecoin, including the development of the token’s smart contract and the build-out of the platforms necessary for its operation, lifecycle management, and secure distribution.

Requirements

• 4+ years of professional DevOps or infrastructure experience.
• Deep expertise in at least one major cloud provider (Azure preferred) and familiarity with others.
• Strong hands-on experience with Terraform or other IaaC tools.
• Proven production-grade Kubernetes experience: cluster provisioning (EKS, GKE, AKS), Helm charts, Operators.
• Design, implementation, and maintenance of CI/CD pipelines using GitLab CI (preferred), Argo CD, or similar tools.
• Proficiency in scripting languages for automation and custom tooling.
• Hands-on experience deploying and scaling relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra) databases.
• Proficiency with networking and complex networking setups
• Familiarity with cache systems (Redis, Memcached) and message queues (RabbitMQ, Kafka).
• Excellent communication and collaboration skills with cross-functional stakeholders.
• High attention to detail, reliability, and ability to meet deadlines in a fast-paced environment.
• Capability to identify risks early, communicate options clearly, and drive timely mitigation.
• Be on time, prepared, and reliable for meetings, handoffs, and releases.
• English skills at least Upper-intermediate.

Will be a plus

• Experience with enclaves and secure environments (SGX, Nitro Enclaves or similar)
• Strong consultative skills: ability to translate client business goals into technical requirements and actionable roadmaps.
• Exceptional verbal and written communication
• Hands-on experience with Web3/Blockchain projects and related infrastructure
• Experience with security tooling and security processes

Responsibilities  

• Continuously evaluate new tools, platforms, and best practices to improve delivery speed, reliability, and security.
• Develop and maintain Infrastructure-as-Code (IaC) modules (Terraform, CloudFormation) for reproducible environments.
• Oversee container orchestration (Kubernetes, Docker Swarm) and related tooling (Helm, Istio, Argo CD).
• Define and enforce network, storage, and compute configurations to meet scalability and high-availability requirements.
• Evaluate, select, and integrate monitoring, logging, and alerting solutions (Prometheus, Grafana, ELK).
• Coordinate with project managers, QA, security, and development leads to ensure cross-functional alignment.

We are looking for a  Node.js Developer (Blockchain Project).

We are building a next-generation ecosystem with a blockchain as its foundation, a non-custodial wallet, and a stablecoin protocol. After a successful demo, the project is now preparing the core components (blockchain + stablecoin) for launch. In parallel, development has started on additional secured projects, including:

• A document management system,
• A country-specific solution,
• An e-invoicing platform,
• And several other ecosystem modules ready to begin.

Tech Stack

• Node.js / TypeScript, NestJS
• PostgreSQL, Redis / Valkey
• L2 blockchain (interaction with other networks)
• Docker, Kubernetes (bare-metal & cloud infrastructure)

Responsibilities

• Write efficient, maintainable code;
• Design and implement independent, self-sufficient components efficiently;
• Participate in architectural discussions and technical decision-making;
• Identify potential technical risks and develop mitigation strategies;
• Ensure effective knowledge sharing and maintenance within the team;
• Foster a collaborative and innovative development environment;
• Perform cross code reviews with team members;
• Properly maintain documentation.

Requirements

• 3+ years of experience with server-side JS/TS;
• Solid understanding of TypeScript and JavaScript fundamentals and internals;
• Experience with Express, NestJS, or similar frameworks;
• Strong understanding of asynchronous programming, event-driven architecture, and non-blocking I/O;
• Understanding of different types of scaling and microservice architectures in various implementations;
• Hands-on experience with Web3.js or Ethers.js for interacting with Ethereum or other EVM-compatible networks;
• Understanding of smart contracts;
• Familiarity with popular blockchains such as Ethereum, Binance Smart Chain, or Layer 2 solutions;
• Expertise in data structures, algorithms, and software design patterns;
• Solid understanding of software architectural patterns;
• Experience with relational databases (especially PostgreSQL);
• Deep experience with SQL (including schema/query design and optimization);
• Experience with ORMs;
• Familiarity with Docker, containerization, and orchestration tools;
• Strong analytical and problem-solving skills;
• Proficiency in writing unit, integration, and end-to-end tests;
• Conversational English.

Will be a plus

• Familiarity with DevOps practices and Infrastructure-as-Code (IaC) tools;
• Understanding of consensus algorithms, cryptographic principles, and decentralized applications (dApps);
• Familiarity with Matter Labs’ zk stack;
• Experience in the FinTech domain;
• Understanding of different rollup technologies;
• Openness to technology stack changes and adaptability.

We offer:

• Competitive compensation;
• Social package (24 working days of annual leave, 5 paid sick days);
• Flexible working hours;
• Challenging projects in diverse business domains and a variety of tech stacks;
• Personal development and professional growth opportunities;
• Work with talented, ambitious and family-feel teams;
• Educational possibilities: corporate courses, knowledge hubs, and in-house English classes;
• Compensation for your professional certification & support for your learning activities;
• Opportunity to choose IT equipment you like;
• Corporate social responsibility.

We are building an API-first loan management and servicing platform to enable scalable, compliant, and flexible financial products. Our client is expanding their US-based team and looking for a Senior Python Engineer to join the extended development team, contributing to new functionality and the evolution of the SaaS platform.

Tech Stack: Python 3.11, Flask, Gunicorn, Go, PostgreSQL 14, Redis 6.x

Responsibilities

• Develop and implement new features for the loan management system
• Lead the development of a loan management SaaS platform
• Build robust, scalable infrastructure for new services and products
• Collaborate with product and design teams to evaluate trade-offs and scalability concerns
• Work closely with legal and compliance stakeholders to ensure product compliance

Requirements

• 5+ years of backend software development experience (preferably in Agile environments and SaaS products)
• 2+ years of hands-on experience with Python
• Strong expertise in API design and development
• Experience building microservices architectures
• Ability to write clean, reliable, and maintainable code with automated testing
• Experience working in cross-functional teams

Nice-to-Have

• Background in FinTech (strong plus)
• Experience with DevOps practices
• Familiarity with GCP
• Knowledge of Go