CML Team

We’re seeking a Senior Mobile Software Engineer (React Native) to join the BSG Web team and contribute to building and scaling mobile applications for a Retail Brokerage business. If you enjoy working on production-ready mobile apps and want to make a real impact on high-traffic financial platforms — we’d love to hear from you.
 

Core Competence:
 

• Proven senior-level experience in React Native development for commercial mobile applications.
• Strong knowledge of TypeScript and modern JavaScript (ES6+).
• Hands-on experience with Redux for state management and RxJS for reactive programming.
• Solid understanding of mobile app architecture, performance optimization, and best practices.
• Experience setting up and delivering mobile applications from scratch to production.
• Ability to collaborate closely with a web-focused team and integrate mobile solutions with existing BSG sites.
• Strong problem-solving skills and a proactive, ownership-driven mindset.
   

Preferred Qualifications:
 

• Experience working in FinTech / Retail Brokerage or other high-reliability domains.
• Familiarity with CI/CD pipelines for mobile applications.
• Experience working in cross-functional teams (design, backend, product).
• Upper-intermediate or higher level of English for effective communication in an international environment.
   

What We Offer You:
 

• Impactful Product: Direct involvement in building a mobile app for BSG brokerage platforms used by real customers.
• Professional Team: Collaboration with an experienced Web team in a structured corporate environment.
• Flexible Setup: Contract-based cooperation with a clear scope and timeline.

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.

About us

We build AI-powered solutions that solve real business problems. You’ll work with the latest technologies and implement production-grade AI features, including RAG pipelines, agentic and multi-agent workflows, and complex LLM-driven systems.

Responsibilities

• Solve engineering problems related to process automation, knowledge systems, and agentic / multi-agent architectures.
• Design, build, and maintain AI-powered features that go beyond basic LLM API calls.
• Develop backend services using Node.js (Express, Fastify, or NestJS).
• Implement and iterate on RAG pipelines (retrieval strategies, chunking, evaluation, quality improvements).
• Work with vector databases (pgvector, Qdrant, Pinecone, Weaviate).
• Integrate external APIs, payment systems, and authentication flows.
• Design clean REST APIs and ensure reliable client–server communication.
• Work with PostgreSQL.
• Write unit tests and take ownership of debugging, performance profiling, and optimization to ensure systems are reliable and scalable.
• Follow best practices with Git, Docker, and basic CI workflows.
   

Requirements

• Strong problem-solving mindset, creativity, and ability to learn quickly.
• Solid Node.js experience in production (2+ years).
• Experience with at least one Node.js framework (Express, Fastify, or NestJS).
• Practical experience and strong interest in LLM-based systems, not just simple ChatGPT-style wrappers, including:
  • RAG
  • LangChain (bonus: LangGraph, LangSmith)
  • Prompt engineering
     
• Understanding of backend fundamentals: APIs, databases, performance, and debugging.
• Experience with JavaScript / TypeScript (1+ year).
  
   

Nice to have

• Experience with Python and FastAPI.
• Redis, queues, caching.
• AWS or GCP familiarity.
• CI with GitHub Actions.
• Monitoring and tracing tools (Prometheus, Grafana, OpenTelemetry).
   

What we offer

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

If you would love to operate in an agile team that’s known for efficient decision-making processes and contribute to its success with your outstanding Javascript skills - right me back, do not hesitate 
 

Basically, your duties will be:

• Conceptualize and implement high-quality features, diagnose bugs, and provide effective solutions
• Develop our REST APIs
• Optimize existing code and database queries for performance, testability, and scalability
• Cooperate with the local and international agile development team
• Design and implement new features
• Utilize AWS services (Lambda, Transcribe, S3)

Requirements:

• Strong knowledge and experience in  React.js.
• Familiarity with Next.js and MobX for state management.
• Proficiency in AWS services (Lambda, Transcribe, S3).
• Experience with GraphQL and RESTful API design.
• Strong skills in using PostgreSQL and Redis.
• Spoken English for effective communication.

Bonus points for:

• Knowledge of ffmpeg for media processing.
• Experience integrating ChatGPT or other AI tools and Node.js.

What We Offer:

• A unique opportunity to work in a fast-moving, international scaleup atmosphere with highly motivated and open-minded colleagues.
• A competitive compensation package, including 20 paid vacation days and paid sick leave.
• A comfortable office in the heart of Kyiv, with the flexibility to work remotely.
• Flexible working hours to accommodate your lifestyle.
• Opportunities to participate in tech talks, hackathons, and technical conferences around the world.
• If this sounds like the perfect opportunity for you, don’t hesitate—write us back and let’s start the conversation!

We are looking for a Middle Full-Stack Developer to join our engineering team. You will be involved in building, maintaining, and improving both frontend and backend parts of the product.

Responsibilities

• Develop and maintain frontend applications using React.js
• Build and maintain backend services using Node.js
• Design and integrate REST APIs
• Work with relational and/or NoSQL databases
• Participate in code reviews and follow best engineering practices
• Collaborate with cross-functional teams to deliver features end-to-end
• Debug, optimize, and improve application performance

Requirements

• 3–4 years of experience as a Full-Stack Developer
• Strong knowledge of JavaScript and TypeScript
• Solid experience with React.js and modern frontend patterns
• Experience with Node.js and backend frameworks (Express, NestJS, or similar)
• Understanding of REST APIs and client-server architecture
• Experience working with databases (PostgreSQL, MySQL, MongoDB, or similar)
• Familiarity with Git and collaborative development workflows
• Ability to write clean, maintainable, and well-structured code

Nice to Have

• Experience with AI will be a big plus

   

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 are looking for a Junior Full-Stack 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 (frontend) and Node.js (backend)
• 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

We are looking for a Junior Full-Stack 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 (frontend) and Node.js (backend)
• 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 with Java-based backend systems
• Experience with tools like Postman, VS Code, or any database (MongoDB, PostgreSQL, etc.)
• Exposure to Agile/Scrum workflow

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.