CML Team

About Us

We build AI-powered solutions that solve real business problems. Our team works with modern technologies to create scalable products and continuously explores new AI capabilities. You'll have the opportunity to work on AI-driven features while growing your expertise in this rapidly evolving field.

Responsibilities

• Develop and maintain full-stack applications using JavaScript/TypeScript.
• Build scalable backend services with Node.js (Express, Fastify, or NestJS).
• Develop modern frontend applications with React and Next.js.
• Design and maintain REST APIs and ensure reliable client-server communication.
• Integrate third-party APIs, authentication, and payment systems.
• Work with PostgreSQL and other databases.
• Collaborate with the team to design and implement AI-powered product features.

• Learn and adopt modern AI technologies as part of product development.

   

Requirements

• Strong problem-solving skills and willingness to learn.
• 3+ years of commercial experience with JavaScript/TypeScript.
• Solid production experience with Node.js.
• Strong experience with React and modern frontend development.
• Experience with Next.js is a plus.
• Good understanding of REST APIs, databases, application architecture, and debugging.

• Interest in AI technologies or commercial experience working with AI-powered products.

   

Nice to Have

• Experience with Python or FastAPI.
• Experience with Redis, queues, or caching.
• Familiarity with AWS or GCP.
• Experience with Docker and GitHub Actions.

• Knowledge of monitoring and observability tools.

   

What We Offer

• Competitive salary and performance bonuses.
• Remote-first culture.
• Flexible working hours.
• Open-minded and results-driven team.
• Opportunity to work with modern AI technologies and grow your expertise.
• High level of ownership and direct impact on the product.

We are looking for an experienced Senior Ruby + React Developer / Architect to join a product-focused engineering team building a large-scale B2D (business-to-developer) SaaS platform. You will help shape developer-facing products used worldwide, taking ownership of features from concept to production while influencing both technical and product decisions.

This is not a feature factory role—you'll work closely with the team to understand customer needs, challenge assumptions, and build solutions that deliver meaningful value to developers.
 

Core Competence:
 

• 5+ years of professional experience in software development, with strong expertise in Ruby on Rails and React + TypeScript.
• Proven experience designing, building, and maintaining scalable web applications in production environments.
• Strong frontend engineering skills with React, modern TypeScript, and component-based architecture.
• Solid backend development experience using Ruby on Rails, including API design and application architecture.
• Experience working with PostgreSQL and designing efficient, maintainable data models.
• Ability to take ownership of features throughout the entire development lifecycle—from discovery and design to implementation and release.
• Strong product mindset with the ability to challenge requirements and propose better technical and product solutions.
• Experience building products for developers or a strong understanding of developer experience (DX) principles.
• Comfortable working independently with minimal supervision in a fast-paced product environment.
• Excellent communication skills and the ability to collaborate effectively within a small cross-functional team.
• Hands-on experience using AI-powered development tools and coding assistants to improve engineering productivity.
• Strong understanding of software architecture, clean code principles, and modern engineering best practices.
   

Preferred Qualifications:
 

• Experience working on B2D (Business-to-Developer) or developer tooling products.
• Knowledge of Node.js and TypeScript backend services.
• Experience designing scalable frontend architectures and improving application performance.
• Strong UX and design intuition with an understanding of creating intuitive developer experiences.
• Experience influencing product direction and collaborating directly with product managers and technical leadership.
• Familiarity with Agile development methodologies and iterative product delivery.
• Previous experience in an architectural or technical leadership role.
   

What We Offer You:
 

• Product Ownership: Build features that directly impact developers using a globally adopted infrastructure platform.
• Architecture Influence: Contribute to technical direction and help shape the evolution of the product.
• Modern Technology Stack: Work with Ruby on Rails, React, TypeScript, PostgreSQL, and modern engineering practices.
• Collaborative Team: Join a small, experienced, and highly autonomous engineering team where your ideas matter.
• AI-Driven Development: Work in an environment that actively embraces AI coding assistants to improve productivity.
• Meaningful Impact: Help build infrastructure-level software powering real-time connectivity for developers around the world.
• Flexible Remote Environment: Work full-time with an international team focused on engineering excellence and product quality.

We are looking for an experienced QA Engineer to join our team and help ensure the reliability, security, and quality of a PCI DSS Level 1 compliant payment platform processing live SEPA, SWIFT, and Visa card transactions.

You will work across web and mobile applications, microservices, APIs, and payment infrastructure, validating complete transaction lifecycles and complex integrations. The role combines functional and end-to-end testing, API and integration testing, test automation, resilience testing, security validation, and payment flow verification.

You’ll work closely with developers, DevOps, and security teams to ensure the platform remains stable, secure, and reliable across UAT and production release cycles.

Key Responsibilities

• Execute and maintain 63 structured end-to-end test scenarios covering SEPA, SWIFT, and Visa payment flows.
• Test SEPA credit transfers via Centrolink, SWIFT MT / ISO 20022 flows via Microgateway, and Visa card payments including 3DS2 authentication.
• Perform comprehensive testing of web and mobile applications across functional, integration, regression, exploratory, and end-to-end scenarios.
• Perform API, contract, schema, and microservice integration testing using Postman, REST Assured, or similar tools.
• Validate complete payment transaction lifecycles across multiple services and systems.
• Test synchronous and asynchronous workflows, including queues, retries, dead-letter queues (DLQ), and event-driven processing.
• Perform resilience and failure testing, including failover, retries, circuit breakers, idempotency, recovery, and fallback scenarios.
• Validate data integrity and transaction consistency across distributed systems.
• Perform reconciliation and settlement testing to ensure financial transaction accuracy.
• Conduct performance, load, and stress testing to validate platform scalability and stability.
• Validate security controls, authentication, authorization, encryption, and secure session flows.
• Contribute to PCI DSS Level 1 compliance validation and produce structured, audit-ready test evidence and traceability documentation.
• Develop and maintain automated test suites and integrate them into CI/CD pipelines.
• Identify, document, track, retest, and verify defects throughout UAT and release cycles.
• Perform cross-platform compatibility and regression testing across web and mobile applications.

• Collaborate closely with developers, DevOps, and security teams to investigate issues and improve overall platform quality.

   

Requirements

• 5+ years of QA experience, including at least 3+ years working with FinTech, banking, payments, or financial platforms.
• Strong hands-on experience with test automation and test development.
• Strong experience in API testing and microservice integration testing using Postman, REST Assured, or similar tools.
• Practical programming experience with Java, JavaScript/TypeScript, or Python for test automation.
• Hands-on experience with automation frameworks such as Playwright, Cypress, or Selenium.
• Experience integrating automated tests into CI/CD pipelines using Jenkins, GitHub Actions, or similar tools.
• Experience testing SEPA, SWIFT, Visa card payment flows, and ISO 20022 messaging.
• Strong understanding of end-to-end payment transaction lifecycles, reconciliation, and settlement processes.
• Experience testing distributed and event-driven systems, including queues, retries, DLQs, and asynchronous workflows.
• Strong understanding of resilience testing concepts, including failover, circuit breakers, retries, and idempotency.
• Experience with PCI DSS controls and audit-oriented QA documentation.
• Understanding of OWASP security concepts, authentication, authorization, and encryption.
• Familiarity with AWS environments, CloudWatch, logging, monitoring, and observability.
• Strong analytical and problem-solving skills with a high level of attention to detail.
• Good communication skills and the ability to work effectively with engineering, DevOps, security, and product teams.

• Experience working in Agile/Scrum environments.

   

Nice to Have

• Familiarity with Java Spring Boot APIs.
• Experience with OWASP Top 10, MFA, and access control testing.
• Experience testing React-based applications.
• Experience with security testing tools such as Burp Suite, OWASP ZAP, SAST/DAST tools.
• Experience with mobile testing tools such as Appium or BrowserStack.
• Experience testing complex asynchronous payment processing and event-driven architectures.
• Knowledge of secure session and authentication flow validation.

• Experience with cloud-based payment or financial infrastructure.

   

What We Offer

• Opportunity to work on a cutting-edge AI-powered neobanking platform.
• An international team focused on innovation and product excellence.
• Flexible working hours.
• 100% remote work.
• Professional development through conferences, workshops, and internal knowledge sharing.

• A collaborative environment that encourages ownership, continuous learning, and technical growth.

   

If you're passionate about quality assurance and excited about building the next generation of AI-powered financial products, we'd love to hear from you. Apply today and become part of our growing team.

Requirements

• 2+ years in GTM engineering, growth automation, RevOps, or SDR ops
• Hands-on with Clay (or similar enrichment tools) and n8n / Make / Zapier
• Experience with cold-email platforms (Instantly, Smartlead, lemlist) and deliverability basics
• Comfortable with APIs, webhooks, and data wrangling; basic Python/JS is a plus
• CRM administration experience (HubSpot or similar)

• English — Upper-Intermediate (B2+)

   

Responsibilities

• Build end-to-end outbound pipelines: sourcing → enrichment → scoring → email + LinkedIn sequences
• Set up signal-based prospecting (funding, hiring, tech-stack triggers)
• Use LLMs to personalize outreach at scale
• Own deliverability, CRM data hygiene, and reporting (reply rates, meetings, pipeline)

• Experiment with copy, targeting, and channels; iterate on results

   

Nice to Have

• Selling services for an IT outsourcing agency
• LinkedIn automation (Expandi, HeyReach), web scraping (Apify)
• LLM APIs (OpenAI, Anthropic) for enrichment

We Offer

• Fully remote, flexible schedule
• Tool budget and freedom to build the GTM engine your way
• Small senior team, no bureaucracy, fast decisions
• Competitive salary based on experience

We're looking for an experienced Senior Backend Engineer to help build and operate an AI-powered software development platform for a public-sector client. The platform combines LLM-based code generation, AI model integrations, cloud-native backend services, and automated development workflows in a scalable production environment.
 

If you're passionate about distributed systems, modern JVM technologies, cloud infrastructure, and building secure identity-driven platforms, we'd love to hear from you!
 

Core Competence:
 

• 5+ years of professional backend development experience with strong software engineering fundamentals and experience building scalable distributed systems.
• Strong proficiency in Kotlin and/or Java with hands-on experience developing backend applications on the JVM ecosystem.
• Deep experience with Spring Boot / Spring Framework for designing and implementing production-grade microservices.
• Strong understanding of microservices architecture, including service boundaries, API design, inter-service communication, resilience patterns, and distributed system challenges.
• Solid experience with PostgreSQL, including database modeling, schema design, query optimization, and migration management.
• Experience with JUnit for unit and integration testing, with a strong focus on code quality and reliability.
• Hands-on experience with Docker for containerization, image creation, and optimization.
• Strong knowledge of Kubernetes (K8s) for deploying, scaling, and operating cloud-native applications.
• Experience with Helm for Kubernetes package management and deployment automation.
• Proficiency with Gradle for build automation and dependency management.
• Experience with Git/GitLab workflows, including branching strategies, CI/CD pipelines, and code review processes.
• Practical knowledge of OpenID Connect and experience implementing authentication and authorization flows.
• Experience with Keycloak or Ory products, including IAM configuration, realms, clients, and identity flows.
   

Preferred Qualifications:
 

• Experience working with AI-powered platforms, LLM integrations, or AI-assisted development tools.
• Background in digital identity and verifiable credentials ecosystems.
• Knowledge of modern identity standards, including:
  • OpenID4VP — presentation of verifiable credentials.
  • SD-JWT — selective disclosure of individual attributes.
  • OpenID4VCI / OpenID4VC — issuance and management of digital credentials.
  • mdoc (ISO/IEC 18013-5) — mobile document formats such as mobile driver's licenses.
• Experience building secure systems for government, enterprise, or regulated environments.
• Understanding of cloud-native architecture principles and production operations.

• Experience contributing to early-stage platforms and evolving solutions from initial concepts into reliable production systems.

   

What We Offer You:
 

• Cutting-Edge AI Projects: Work on a platform combining LLM technologies, backend engineering, and cloud-native infrastructure.
• Technical Impact: Influence architecture decisions and contribute to building scalable solutions used in real-world environments.
• Modern Engineering Culture: Work with advanced technologies, automation practices, and strong engineering standards.
• Professional Growth: Opportunity to deepen expertise in AI platforms, distributed systems, and digital identity technologies.
• Global Collaboration: Join an international team working on challenging and impactful projects.
• Flexible Work Environment: Remote-friendly setup with a focus on autonomy and work-life balance.

We are looking for a Junior JavaScript Developer to join our team in building and supporting a modern CRM system. 

You will be involved in data parsing and transformation, integrating third-party services, and improving the overall performance. 

This role is a great starting point for someone eager to grow as a full-stack engineer while working on a real product.

Responsibilities:

• Assist in developing and maintaining web applications using React and Node.js 
• Work with RESTful APIs and data exchange between front and back end
• Write clean, readable, and maintainable code
• Help with writing scripts for data parsing and transformation

• Collaborate with other developers and stakeholders in an Agile environment

   

Requirements:

• Basic understanding of JavaScript, Node.js, and React
• Familiarity with HTML, CSS, and browser developer tools
• Understanding of REST APIs and HTTP basics
• Basic experience with JSON, data structures, and asynchronous code
• Familiarity with Git and version control workflows
• Ability to write or understand basic data parsing scripts (e.g., extracting and transforming structured or semi-structured data)
• Good problem-solving skills and willingness to learn

• English: Upper-Intermediate or higher 

   

Nice to Have:

• Knowledge of Java or experience working with Java-based backend systems
• Any experience using or integrating AI-powered tools or services (e.g. AI APIs, chatbots, data analysis, automation, or ML-assisted features)
• Experience with tools like Postman, VS Code, or any database (MongoDB, PostgreSQL, etc.)
• Exposure to Agile / Scrum workflows
   

What we offer:

• Competitive salary and bonuses
• Remote-first culture
• Flexible schedule
• Open-minded, results-driven environment
• Product ownership and impact

Про компанію CML Team

CML Team is a powerhouse in global technology consultancy, focusing on Fintech, Real Estate, and Hospitality. Our expertise has led startups to secure over $1.5 billion in funding over the last five years. We excel in fast-tracking the success of high-growth startups with our deep industry insights and innovative approach.

We are on a mission to craft solutions that far exceed expectations, combining robust backend development with outstanding UX/UI design to ensure technical excellence and seamless user experiences.

We're in search of bright minds and 10X developers eager to innovate, experiment with new technologies, and pioneer unconventional approaches. Our team is a dynamic blend of experienced professionals dedicated to pushing boundaries and delivering tailored solutions that create significant value.

Join CML Team, where innovation is at the core of everything we do. Here, every project is an opportunity to explore new frontiers and redefine the future of technology. If you're ready to challenge the status quo and leave a lasting impact, we want you on our team.

We're seeking a talented .NET Developer to help shape the future of blockchain technology in innovative startup. If you're ready to make a real impact in a cutting-edge industry, we'd love to hear from you!
 

Core Competence:
 

• At least 2 years of professional experience in software development with a strong foundation in C#, ASP.NET Core, and Entity Framework.
• Proficiency in managing IIS, MS SQL, Visual Studio, and Docker environments.
• Familiarity with ODBC, LINQ, NUnit, xUnit, NuGet, and RESTful APIs, alongside Git for version control.
• Sound understanding of client-side and server-side architectures.
• Strong analytical thinking, with a structured, math or engineering-oriented mindset and a focus on delivering results.
   

Preferred Qualifications:
 

• Knowledge of ReSharper, experience with Azure, and familiarity with NoSQL databases.
• Experience with AWS and Linux system administration is an asset.
• Active participation in hackathons demonstrates innovative thinking and problem-solving skills.
• Upper-intermediate level of English for clear and effective communication in a global team.
   

What We Offer You:
 

• Competitive Compensation: Your skills and experience will be rewarded with a salary aligned with industry standards and your career ambitions.
• Innovative Work Environment: Be part of a forward-thinking FinTech startup with a culture of continuous learning, including tech talks and participation in hackathons.

• 20 paid vacation days, 3 paid sick days, and a flexible schedule for work-life balance.