IdeaSoft

We’re hiring a Security Engineer/Architect with Blockchain experience who thrives in fast-moving environments, understands
technical depth, and can independently own security across multiple areas — from architecture and infrastructure to monitoring and investigations.
You’ll be joining a lean team with serious responsibilities — context switching and high autonomy are part of the job. The role is ideal for someone who prefers deep thinking over surface-level “best practices”.
You’ll play a key role in securing our systems and eventually take ownership of technical implementation and decision-making.
We are building a range of products — from an advanced crypto payment solution evolving into a full blockchain ecosystem with real-world impact, to a comprehensive platform featuring its own blockchain, non-custodial wallet, and stablecoin protocol designed for diverse use cases.

Requirements

• 5+ years in security engineering, with hands-on experience in DevSecOps and, preferably, Web3;
• Deep understanding of blockchain technologies and integration methods.
• Solid understanding of containerized infrastructure, Kubernetes
• Proven experience working with cloud platforms (AWS, GCP, any experience with bare metal infrastructure will be a huge plus);
• Deep understanding of security principles, such as least privilege, defense in depth, secure defaults, and trust boundaries;
• Strong knowledge of network security (e.g., TLS, VPNs, firewall rules, intrusion detection);
• Familiarity with common vulnerabilities and exploit patterns (e.g., SQLi, XSS, CSRF, SSRF, RCE);
• Understanding of encryption fundamentals (symmetric/asymmetric cryptography, key rotation, secure storage);
• Practical experience with identity and access management (IAM, RBAC, MFA, OAuth2, SSO);
• Proven track record securing production infrastructure (and SDLC as a whole). This also includes implementation and maintenance of the following:
• SIEM platforms;
• SAST/DAST tools;
• Infrastructure as Code (IaC) security scanning tools;

• Secrets management (any experience with highly secure HSM stores will be highly appreciated);

   

Would be a plus

• Expertise in blockchain solutions, VMs, and smart contracts, any prior Solidity experience will be a huge plus;
• Experience with high-performance transaction systems and distributed systems.
• Strong knowledge of microservices patterns, API design, and message brokers (e.g., RabbitMQ, Kafka).
• Familiarity with security policies and standards (e.g., NIST, ISO27001, CIS Benchmarks);
• Experience conducting or preparing for security audits or compliance assessments (SOC2, GDPR, etc.);
• Creating and maintaining playbooks for security incidents, access reviews, and response procedures;

Responsibilities

• Own and maintain internal security tooling (e.g., scanners, linters, alerting systems);
• Design, configure, and maintain security controls across infrastructure (firewalls, IAM policies, network segmentation);
• Continuously update threat models based on real usage and emerging attack patterns;
• Own access control systems for internal and on-chain resources (e.g., multisig ops, key custody, signer policies);
• Perform static and dynamic analysis of codebases, including integrating SAST/DAST tools into CI/CD;
• Stay up to date with emerging vulnerabilities, test their impact on internal systems, and patch proactively;
• Drive the integration of inner account ecosystem projects, ensuring smooth operation;
• Work with DevOps and other product teams to secure cloud and containerized infrastructure;
• Participate in optimization of the platform’s performance, reliability, and fault-tolerance capabilities;
• Act as a technical advisor, mentoring development teams and ensuring architectural consistency.
• Participate in design and implementation of secure architecture across all blockchain layers (Execution, Consensus, etc.);
• Manage security procedures for all core and periphery blockchain tools (explorer, validator portal, etc.);

We are looking for a skilled AI/ML+Python Engineer to join our core team. You will contribute to the development of critical AI/ML infrastructure for blockchain-based AI model execution and training capabilities.

About the project
A blockchain-based system that integrates GPU computing, AI models, and AI agents in a decentralized environment. The infrastructure enables the creation, training, and execution of AI models without centralized servers, ensuring transparency and scalability. AI agents can interact with smart contracts, analyze data, and make autonomous decisions.
The technology is designed for Web3 applications, process automation, and integrating AI into the decentralized economy.

Responsibilities:

• Dataset management
• Storage, processing, and validation systems
• ML model training
• Training infrastructure and orchestration
• AI model deployment and optimization
• Performance tuning and validation pipelines
• Integration with blockchain execution layer
• Connecting services with existing Kubernetes-based runtime
• Building APIs for cli integration
• Blockchain event processing via Redis/PostgreSQL
• Enabling end-to-end AI training workflows
• Supporting model-dataset linking for training operations
• Implementing training metadata collection and storage

Requirements:

• 3+ years of Python development experience (FastAPI/Flask, async/await patterns) with an AI/ML focus
• Proficiency with AI/ML frameworks (e.g., TensorFlow, PyTorch, ONNX, scikit-learn)
• Experience with Production ML systems — training pipelines, model deployment
• Knowledge of containerization — Docker, Kubernetes (production experience)
• Experience with microservices architecture in production AWS services (S3, ECR, Secrets Manager)
• Familiarity with database design — PostgreSQL, Redis, metadata schemas
• Experience with API development — RESTful services, async processing

Will be a plus:

• ONNX Runtime experience or model optimization
• Blockchain integration knowledge and familiarity with blockchain ecosystems (Cosmos SDK, Tendermint, smart contracts)
• Experience with model execution in constrained environments
• Experience with Trusted Execution Environments (TEE) or familiarity with secure enclave technologies
• An awareness of zero-knowledge proofs (ZKP) and their applications in cryptography would be beneficial
• Ability to read and understand Go/Rust code

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’re hiring a DevSecOps Engineer who thrives in fast-moving environments, understands
technical depth, and can independently own security across multiple areas — from architecture and infrastructure to monitoring and investigations.
You’ll be joining a lean team with serious responsibilities — context switching and high autonomy are part of the job. The role is ideal for someone who prefers deep thinking over surface-level “best practices”.
You’ll play a key role in securing our systems and eventually take ownership of technical implementation and decision-making.
We are building a range of products — from an advanced crypto payment solution evolving into a full blockchain ecosystem with real-world impact, to a comprehensive platform featuring its own blockchain, non-custodial wallet, and stablecoin protocol designed for diverse use cases.

Requirements

• Solid hands-on experience with Kubernetes
• Strong understanding of networking principles and ability to troubleshoot/configure network layers
• Familiarity with bare-metal infrastructure
• Proactive mindset, ability to identify and resolve potential issues before they escalate
• Understanding of base-level security policies and practices
   

Would be a plus

• Interest or background in Web3 technologies
• Knowledge of cryptographic principles
• Experience in defining and managing security policies
• Ability to independently audit infrastructure
• Familiarity with DevSecOps methodologies
• In-depth knowledge of networking principles
   

Responsibilities

• Build and maintain secure development and delivery pipelines
• Define and enforce access boundaries, response processes, and security policies
• Detect and prevent data leaks, monitor logs, and investigate anomalies
• Contribute to architecture and infrastructure decisions with a security-first mindset
• Analyze incidents, model threats, and assess risks end-to-end

• Context-switch rapidly while maintaining focus and ownership

   

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 looking for a Senior 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

• 4+ 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 are looking for a Lead 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

• 6+ years of experience with server-side JS/TS;
• Perfect understanding of TypeScript, JavaScript fundamentals, and internals;
• Strong experience with NestJS;
• Experience with various ORMs;
• Understanding of different types of scaling and microservice architectures in its different implementations;
• Expertise in data structures, algorithms, and software and architectural design patterns;
• Proven ability to make architectural decisions and foresee potential issues that different decisions may cause;
• Proven ability to develop large ecosystem products with shared components;
• Expertise with popular EVM-compatible blockchains (L1/L2s) and understanding of their internal mechanics;
• Experience with various database engines (both relational and non-relational), including schema/query design and validation;
• Ability to choose and apply other technologies when needed (beyond JS/TS and their frameworks);
• Experience with Docker, containerization, orchestration tools, and familiarity with DevOps practices and Infrastructure-as-Code (IaC) tools);
• Experience with production systems and their lifecycle;
• Strong analytical and problem-solving skills;
• Proven ability to manage several cross-functional teams of varying sizes with partially shared responsibilities;
• Proficiency in writing unit, integration, and end-to-end tests;
• Conversational English.

Will be a plus

• Understanding of consensus algorithms, cryptographic principles, and decentralized applications (dApps);
• Familiarity with Matterlabs’ zk stack;
• Experience in FinTech domain;
• Understanding of how different rollup technologies work;

• Openness for technology stack change and adaptiveness.
   

  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’re looking for a creative and data-driven SMM Specialist to join our team and take
full ownership of our social media presence across X (Twitter), LinkedIn, Instagram, and potentially Telegram.
This role is perfect for someone who lives and breathes digital trends, knows how to speak the language of online communities, and can translate complex Web3 or tech topics into engaging stories.
You’ll be responsible for shaping our brand voice, growing our online audience, and building meaningful connections with both the Web3 and tech talent communities.
If you’re proactive, passionate about experimenting with new formats, and ready to make a measurable impact — we’d love to meet you.

Requirements

• At least 4 years of experience in a similar SMM or digital marketing role within the IT industry.
• Advanced English level.
• Great copywriting and editing skills.

Strategic & Technical Expertise:

• Strong understanding of social media platforms (X/Twitter, LinkedIn, Telegram, Discord, TikTok, Instagram) and their unique algorithms and audiences.
• Ability to develop SMM strategies aligned with business goals: awareness, loyalty, community growth, and recruitment.
• Understanding of the Web3 market — blockchain, DeFi, NFT, DAO, gamification, and community culture trends.
• Experience managing a content funnel: from reach to engagement and conversion (lead, application, repost, community participation).
• Ability to translate complex technical topics into clear, engaging, and accessible content.

Content Creation:

• Skilled in creating and managing diverse content types: Explainers (how technology works); Educational threads, microblogs, thought leadership posts; Memes and trend-based content that maintain brand tone and credibility; Employer branding content (culture, team photos, quotes, behind-the-scenes); Video and storytelling formats (Reels, Shorts, TikTok)
• Ability to use AI tools for content (ChatGPT, Midjourney, Runway, Opus, Canva Magic Studio, etc.).

Community & Partnerships:

• Proven experience in community management on Discord, Telegram, X (Twitter), and LinkedIn.
• Ability to engage with ambassadors, partners, and influencers.
• Experience organizing community activities: AMAs, meetups, giveaways, content challenges, etc.

Analytics & Performance:

• Ability to define and track SMM KPIs and build performance dashboards (Notion, Google Data Studio, Google Forms).
• Experience providing regular reports to C-Level and adjusting strategy based on data insights.

Soft Skills & Collaboration:

• Independence — able to manage SMM as a “one-person department.”
• Proactivity — a critical quality for this role.
• Flexibility & quick reaction — understands Web3 dynamics and responds to trends fast.
• Understanding of employer branding and platform-specific tone of voice.
• Excellent cross-functional collaboration skills — able to work closely with HR, recruiters, designers, marketing, and PR.
• Comfortable reaching out to colleagues and stakeholders to co-create content.
• Accountability for results — must be ready to own outcomes and drive impact.

Tools:

• Content planning: Notion, Trello, etc.
• Graphic & video editing: Figma, Canva, CapCut (basic level).
• AI tools: ChatGPT, Midjourney, etc.
• Analytics: X Analytics, LinkedIn Insights, others.

Would be a plus

• Experience or strong interest in Web3, crypto, blockchain, or fintech

• Background in community-driven or startup environments

   

Responsibilities

Develop and execute a dynamic social media strategy for our key channels:

• Develop and execute a dynamic social media strategy for our key channels
• Instagram: showcase our team culture, projects, and achievements to strengthen our HR brand
• X (Twitter): build awareness, share insights, and engage with the Web3 community
• LinkedIn: communicate our expertise, case studies, and company updates to attract clients and partners (similar to X)
• Telegram: grow and manage an active community around our brand and expertise
• Research trends, formats, and best practices in Web3 and social media marketing
• Create engaging, on-brand content (posts, visuals, short videos, memes, etc.) in collaboration with the design and marketing teams
• Experiment with new approaches: test, analyze, and optimize content performance
• Monitor analytics and community feedback to improve engagement and reach
• Work closely with marketing and HR teams to align communication with company goals 

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 looking for a Senior Full-stack Blockchain Engineer to work on server-side and cross-chain development involving Rust, TypeScript, Solidity, and zero-knowledge (ZK) technologies.

Requirements

• Strong proficiency in Rust (server / ZK)
• Experience with TypeScript (server / frontend)
• Knowledge of Solidity and experience implementing cross-chain contracts
• Solid understanding of architecture, databases, scalability, and security best practices
• Hands-on experience with ZK frameworks (zk-SNARKs / zk-STARKs, circom / halo2 / gnark)
• Proven experience with cross-chain technologies (IBC / LayerZero / Axelar / CCIP)

Would be a plus

• Experience designing or building cross-chain bridges
• ZK proof generation optimization
• Audit-ready Solidity development practices
• Familiarity with event-driven systems (Kafka, etc.)
• Understanding of crypto transactions, gas mechanics, and wallet integration

Responsibilities

• Develop server-side and cross-chain components using Rust, TypeScript, and Solidity
• Implement zk-SNARK / zk-STARK systems — proof generation and verification with circom / halo2 / gnark
• Work with cross-chain frameworks such as IBC, LayerZero, Axelar, CCIP (with real implementations)
• Build and maintain scalable and secure backend architecture
• Ensure performance optimization and compliance with best development practices

What We Offer

• Competitive compensation
• Social package (24 working days of annual leave and 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 team
• 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’re looking for an experienced DevOps Team Lead who will drive our infrastructure strategy, ensure delivery excellence, and mentor a distributed team of DevOps engineers. The ideal candidate combines hands-on technical expertise with strong leadership and communication skills.
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.

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
• Previous startup experience or working in small, cross-functional teams

Nice-to-Have

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