Jobs
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· 191 views · 46 applications · 11d
Node.js Developer
Part-time · Full Remote · Worldwide · 3 years of experience · B2 - Upper IntermediateRight now, we’re looking for a Node.js Developer to join our team on a part-time basis DARLY SOLUTIONS is an international IT company specializing in delivering innovative solutions across Fintech, MedTech, SaaS, etc. With years of experience in web and...Right now, we’re looking for a Node.js Developer to join our team on a part-time basis
DARLY SOLUTIONS is an international IT company specializing in delivering innovative solutions across Fintech, MedTech, SaaS, etc.
With years of experience in web and mobile development, UI/UX design, Quality Assurance, AI, and machine learning, we pride ourselves on creating impactful products that drive success for our clients. Since 2018,
we have successfully completed over 250 projects.
Examples of our work across various domains can be found on our website
- https://www.darly.solutions/
We leverage cutting-edge technologies to craft powerful, forward-thinking solutions tailored to our clients’ needs. Our team is proficient in a diverse range of tools, including Angular, NestJS, React, Vue, PHP, Ruby, Node.js, and many others.Requirements:
- 3 years of experience as a Backend Developer
- Strong knowledge of Node.js (NestJS 10)
- Experience with PostgreSQL and Supabase
- Familiarity with AdminJS or similar admin panel frameworks
- Understanding of working with databases and QR code generation
- English — Upper-Intermediate (B2) for communication
Responsibilities:
- Develop and maintain backend functionality for web and mobile applications
- Collaborate with another backend developer to ensure smooth delivery
- Optimize database queries and integrations
- Support QR code generation and related features
- Participate in discussions with the team to improve architecture and performance
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· 122 views · 20 applications · 11d
Node.js Developer to $2500
Ukraine · 2 years of experience · B2 - Upper IntermediateWho are we looking for? We are looking for an "independent fighting unit" who is ready to join our Team and start working together on our projects immediately or after training. Tasks? Your tasks will focus on the skills and expectations listed below...Who are we looking for?
We are looking for an "independent fighting unit" who is ready to join our Team and start working together on our projects immediately or after training.
Tasks?
Your tasks will focus on the skills and expectations listed below and the use of new approaches and technologies.
Why did the job open?
We want to invite a new specialist to the company's staff due to the increase in the number of projects and the opening of a branch.
Requirements:
- B1 English (Upper-Intermediate)+
- At least 2+ year of commercial experience with JavaScript
- At least 2+ years of commercial experience with Node.js
- Experience with Typescript, Nest.js
- Experience with RDBMS and NoSQL databases
- Experience with implementing automated testing platforms and unit tests
- Experience with REST/GraphQL
- Experience with cloud services such as AWS, GCP or Azure
- Experience with CI/CD processes
- Experience in integrating with external APIs
- SOLID understanding of object-oriented programming
- Flexibility and ability to adapt to changes
- Ability to work closely with Product Managers and Engineering Team-members
Good to have:
- Experience with Unit/E2E testing
- Understanding design, and architecture principles
- Experience with message brokers, like RabbitMQ, SQS, etc
- Experience with JS web-frameworks React/Vue/Angular etc
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· 92 views · 24 applications · 11d
Senior Node.js Backend Engineer
Full Remote · Countries of Europe or Ukraine · 5 years of experience · C1 - AdvancedSenior Backend Developer (Node.js) About Us We are a leading global provider of video and audio advertising technology, helping top brands reach their target audiences through innovative programmatic solutions. Our platform leverages cutting-edge...Senior Backend Developer (Node.js)
About Us
We are a leading global provider of video and audio advertising technology, helping top brands reach their target audiences through innovative programmatic solutions. Our platform leverages cutting-edge technology to offer real-time optimization, fraud detection, and a wide range of advertising formats across various devices. We are committed to redefining the digital advertising landscape and empowering our partners with the tools they need to succeed.
Role Overview
As a Senior Backend Developer, you will play a pivotal role in technically designing, developing, and maintaining new and robust backend services. You will work closely with our product and technical project managers to deliver high-quality solutions that meet our users' needs. In addition to your technical skills, we are looking for a strong leader who can independently manage and drive projects to completion.
Responsibilities
- Design, develop, and maintain robust and scalable backend systems using Node.js.
- Collaborate with the product team to understand business requirements and translate them into technical specifications.
- Lead and manage projects independently from inception to completion.
- Demonstrate experience in successfully leading projects alone.
- Optimize application performance and scalability.
- Integrate with third-party APIs and services.
- Implement and maintain secure coding practices.
- Contribute to the development and maintenance of our CI/CD pipelines.
- Mentor junior developers and share your knowledge and expertise.
Qualifications
- A Bachelor's degree in Computer Science, Software Engineering, or a related field from a reputable university.
- 4-5 years of hands-on experience as a backend developer, with a strong focus on Node.js.
- In-depth knowledge of MySQL and Redis.
- Proven understanding and practical experience with AWS services, including Lambda, RDS, and Load Balancers.
- Experience with Docker and Kubernetes (K8s) environments.
- Ability to write effective automated tests for backend services.
- Excellent problem-solving and analytical skills.
- Strong communication and collaboration skills.
- Proven ability to lead and manage projects independently.
- Excellent spoken and written English.
Bonus Points
- Knowledge of additional programming languages or frameworks. (NestJS, etc.)
- Contributions to open-source projects.
What We Offer
- Opportunities for professional growth and development.
- A collaborative and supportive work environment.
- The chance to be part of a dynamic and innovative company.
If you are a passionate and skilled Senior Backend Developer who is looking for a challenging and rewarding opportunity, we encourage you to apply.
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· 68 views · 18 applications · 11d
Team Lead Node.js Developer
Full Remote · Countries of Europe or Ukraine · Product · 6 years of experience · B1 - IntermediateFAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment. We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable...FAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment.
We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable to withstand enormous loads and provide a unique experience for players.
FAVBET Tech does not organize and conduct gambling on its platform. Its main focus is software development.
Main areas of work:- Betting/Gambling Platform Software Development — software development that is easy to use and personalized for each customer.
- Highload Development — development of highly loaded services and systems.
- CRM System Development — development of a number of services to ensure a high level of customer service, effective engagement of new customers and retention of existing ones.
- Big Data — development of complex systems for processing and analysis of big data.
- Cloud Services — we use cloud technologies for scaling and business efficiency.
Requirements:
Must Have:
- 6+ years of hands-on experience in backend development with Node.js.
- 2+ years of proven experience in leading development teams.
- Strong knowledge of system scalability and experience in designing high-performance distributed systems.
- Proficiency in TypeScript.
- Solid expertise in API design and development (REST, GraphQL will be a plus).
- Experience with Docker and containerized environments.
Hands-on experience with message brokers (RabbitMQ, NATS, or similar). - Strong skills in working with PostgreSQL.
- Deep understanding of design patterns and SOLID principles.
- Strong grasp of application security principles and best practices.
Nice to Have:
- Experience in the gambling / gaming domain.
- Practical experience with NestJS framework.
- Knowledge of NoSQL databases (MongoDB, Redis, or similar).
Responsibilities:
- Lead and manage the development team, fostering collaboration, mentorship, and technical excellence.
- Design, develop, and implement new features and components for the service, ensuring scalability and performance.
- Identify and resolve technical issues encountered during the development process.
- Maintain and enforce coding standards, ensuring consistency, readability, and adherence to best practices.
- Plan and document tasks independently, providing clear and actionable descriptions for assigned responsibilities.
- Create and maintain technical documentation for implemented features, ensuring clarity for both the team and stakeholders.
We offer:
- 30 days off — we value rest and recreation;
- Medical insurance for employees and the possibility of training employees at the expense of the company and gym membership;
- Remote work or the opportunity — our own modern lofty office with spacious workplace, and brand-new work equipment (near Pochaina metro station);
- Flexible work schedule — we expect a full-time commitment but do not track your working hours;
Flat hierarchy without micromanagement — our doors are open, and all teammates are approachable.
During the war, the company actively supports the Ministry of Digital Transformation of Ukraine in the initiative to deploy an IT army and has already organized its own cyber warfare unit, which makes a crushing blow to the enemy’s IT infrastructure 24/7, coordinates with other cyber volunteers and plans offensive actions on its IT front line.
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· 57 views · 0 applications · 10d
Full Stack Developer (Angular, TypeScript, Node.js)
Hybrid Remote · Ukraine (Vinnytsia) · Product · 4 years of experienceWe are looking for a Full Stack Developer (Angular, TypeScript, Node.js) based in Vinnytsia. We are the industry-leading Capital Markets technology and execution provider. Our team is seeking a Senior/Lead Full Stack Developer to contribute to the...We are looking for a Full Stack Developer (Angular, TypeScript, Node.js) based in Vinnytsia.
We are the industry-leading Capital Markets technology and execution provider. Our team is seeking a Senior/Lead Full Stack Developer to contribute to the strategies and algorithms used by our Smart Order Router application, which routes orders to all US equities and options exchanges.
We are looking for someone who treats development as more than just a job.
What we offer
- Full-time remote work or office space in Vinnytsia
- Flexible working hours
- All necessary equipment (laptop, chair, monitors, etc.)
- Accounting support
Required Skills
- TypeScript
- Angular 17
- Angular Material
- ngrx
- Sass
- D3
- Nx
- Jest
- Websockets / SignalR
- Node.js
Desired Skills
- Experience with algorithmic trading
- Familiarity with US Equity and Options markets
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· 87 views · 8 applications · 10d
Middle Node.js Data Engineer (Dashboards)
Hybrid Remote · Ukraine · 3 years of experience · B2 - Upper IntermediateCore Responsibilities Design, develop, and maintain backend services in Node.js to support data-driven dashboards. Build efficient data pipelines for aggregating, transforming, and preparing data from multiple sources (databases, APIs, flat...Core Responsibilities
- Design, develop, and maintain backend services in Node.js to support data-driven dashboards.
- Build efficient data pipelines for aggregating, transforming, and preparing data from multiple sources (databases, APIs, flat files).
- Develop and optimize RESTful or GraphQL APIs to feed dashboard frontends.
- Collaborate with frontend engineers, data analysts, and product managers to define dashboard requirements.
- Implement data models and storage solutions (SQL/NoSQL) for efficient querying.
- Optimize data queries and API responses for real-time or near real-time dashboard updates.
- Ensure data integrity, consistency, and accuracy in all visualizations.
- Integrate authentication and authorization for secure dashboard access.
- Participate in code reviews, testing, and deployment processes.
Required Skills & Qualifications- 3+ years of professional experience with Node.js in backend development.
- Strong knowledge of JavaScript (ES6+) and familiarity with TypeScript.
- Proficiency with SQL and at least one relational database (PostgreSQL, MySQL) and/or NoSQL database (MongoDB, Redis).
- Experience building REST APIs and/or GraphQL APIs.
- Solid understanding of data structures, ETL processes, and data modeling.
- Familiarity with dashboard frameworks (e.g., Metabase, Superset, Grafana) or integrating with charting libraries (e.g., Chart.js, D3.js, Highcharts).
- Knowledge of API authentication methods (JWT, OAuth2) and role-based access control.
- Understanding of performance optimization for backend services and database queries.
- Proficiency with Git and collaborative development workflows.
- Basic knowledge of Docker or containerized environments.
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· 52 views · 5 applications · 10d
Lead Fullstack Engineer
Full Remote · Poland, Romania · 5 years of experience · B2 - Upper IntermediateWe are looking for an experienced Lead Full Stack Engineer to take a leading role in the development of a new Legislative Tracker platform, designed to monitor and analyze political and legislative developments in the UK. In this role, you will design and...We are looking for an experienced Lead Full Stack Engineer to take a leading role in the development of a new Legislative Tracker platform, designed to monitor and analyze political and legislative developments in the UK. In this role, you will design and implement scalable, secure solutions while guiding key technical decisions and ensuring high-quality delivery.
In this role, you will work across the full stack, covering React frontends, Node.js services, and AWS-powered backends in close collaboration with client stakeholders.
Responsibilities:
- Ensure high-quality delivery covering both functional and non-functional requirements (security, performance, scalability etc)
- Participate in technical discussions and own key technical decisions, ensuring solutions are aligned with best practices
- Design and implement end-to-end features across frontend and backend in a fast-paced environment
- Communicate effectively with both technical and non-technical stakeholders from the client side on a daily basis
- Refine requirements, manage dependencies, and contribute to backlog prioritization and planning
- Engage independently with stakeholders to translate business needs into working solutions
- Contribute to platform improvements and technical strategy
- Drive engineering quality by reviewing code, contributing to testing and CI/CD, etc.
Frontend:
- 5+ years of commercial experience working as Front-end developer (JavaScript, TypeScript)
- Experience developing web applications using React
- Experience with NextJS, Styled Components, Jest, React Testing Library (Playwright/Cypress a plus)
- Experience with the App Router (Form Submission experience in the app router (Everything is forms))
Backend:
- 5+ years of commercial experience working as Node.js developer
- Expertise in working with MariaDB/MySQL, Dynamo DB, ElasticSearch, GraphQL
- Knowledge of AWS (Lambda) and microservices architecture, Typescript, MSSQL
General:
- Upper-intermediate+ English level
- Contribute high-quality code to the Political Intelligence platform and guide others through technical reviews
- Create technical design and define a general approach to build from scratch a Legislative Tracker platform following UK politics
- Hands-on involvement in CI/CD, quality assurance, testing activities, etc
- Comfortable working independently and engaging directly with stakeholders to clarify requirements
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· 50 views · 0 applications · 10d
Lead Fullstack Engineer
Part-time · Full Remote · Poland, Romania · 5 years of experience · B2 - Upper IntermediateWe are looking for an experienced Lead Full Stack Engineer to take a leading role in the development of a new Legislative Tracker platform, designed to monitor and analyze political and legislative developments in the UK. In this role, you will design and...We are looking for an experienced Lead Full Stack Engineer to take a leading role in the development of a new Legislative Tracker platform, designed to monitor and analyze political and legislative developments in the UK. In this role, you will design and implement scalable, secure solutions while guiding key technical decisions and ensuring high-quality delivery.
In this role, you will work across the full stack, covering React frontends, Node.js services, and AWS-powered backends in close collaboration with client stakeholders.
Responsibilities:
- Ensure high-quality delivery covering both functional and non-functional requirements (security, performance, scalability etc)
- Participate in technical discussions and own key technical decisions, ensuring solutions are aligned with best practices
- Design and implement end-to-end features across frontend and backend in a fast-paced environment
- Communicate effectively with both technical and non-technical stakeholders from the client side on a daily basis
- Refine requirements, manage dependencies, and contribute to backlog prioritization and planning
- Engage independently with stakeholders to translate business needs into working solutions
- Contribute to platform improvements and technical strategy
- Drive engineering quality by reviewing code, contributing to testing and CI/CD, etc.
Frontend:
- 5+ years of commercial experience working as Front-end developer (JavaScript, TypeScript)
- Experience developing web applications using React
- Experience with NextJS, Styled Components, Jest, React Testing Library (Playwright/Cypress a plus)
- Experience with the App Router (Form Submission experience in the app router (Everything is forms))
Backend:
- 5+ years of commercial experience working as Node.js developer
- Expertise in working with MariaDB/MySQL, Dynamo DB, ElasticSearch, GraphQL
- Knowledge of AWS (Lambda) and microservices architecture, Typescript, MSSQL
General:
- Upper-intermediate+ English level
- Contribute high-quality code to the Political Intelligence platform and guide others through technical reviews
- Create technical design and define a general approach to build from scratch a Legislative Tracker platform following UK politics
- Hands-on involvement in CI/CD, quality assurance, testing activities, etc
- Comfortable working independently and engaging directly with stakeholders to clarify requirements
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· 60 views · 14 applications · 10d
Node.js Tech Lead
Full Remote · Countries of Europe or Ukraine · Product · 7 years of experienceFAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment. We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable...FAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment.
We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable to withstand enormous loads and provide a unique experience for players.
FAVBET Tech does not organize and conduct gambling on its platform. Its main focus is software development.
Main areas of work:- Betting/Gambling Platform Software Development — software development that is easy to use and personalized for each customer.
- Highload Development — development of highly loaded services and systems.
- CRM System Development — development of a number of services to ensure a high level of customer service, effective engagement of new customers and retention of existing ones.
- Big Data — development of complex systems for processing and analysis of big data.
- Cloud Services — we use cloud technologies for scaling and business efficiency.
Requirements:
- 7+ years of professional experience with NodeJS.·
- 2+ years of experience in a leadership position.
- Strong understanding of software design principles and architectural patterns.
- Proven expertise in cloud computing, specifically with AWS, and hands-on experience with containerisation technologies like Docker and orchestration tools like Kubernetes.
- Demonstrated leadership skills with the ability to manage and motivate a diverse team of technical professionals.
- Solid understanding of the technical and regulatory challenges in the online gambling industry.
- Experience with Agile/Scrum methodologies and a commitment to adopting agile practices in team management and product development.
- Excellent problem-solving skills.
- Expertise in overseeing large-scale, multifaceted projects.
- Skilled at inspiring, mentoring, and managing diverse, remote teams.
- Experienced in setting performance metrics, monitoring team performance, and providing constructive feedback to promote personal and professional growth of team members.
- Effective in managing and leading change within the team and projects, helping team members adjust to and embrace new technologies, processes, and strategies to improve overall outcomes.
Responsibilities:
- Leadership and Project Oversight: Direct and oversee the development team, ensuring effective implementation of new features and systems according to business requirements.
- System Design and Development: Independently design and develop system architectures, ensuringintegration and alignment with company goals.
- Performance Optimization: Optimize system performance through advanced configurations in PostgreSQL and RabbitMQ.
- Quality Assurance and Testing: Lead the creation and maintenance of comprehensive test strategies to ensure high-quality software development.
- Strategic Planning and Execution: Develop strategic plans for technology implementation and oversee their execution, ensuring alignment with long-term business objectives.
- Post-production monitoring and analyzing.
- Keep services in acceptable level. Learning from deploys, future improvements based on the results obtained.
We offer:
- 30 days off — we value rest and recreation;
- Medical insurance for employees and the possibility of training employees at the expense of the company and gym membership;
- Remote work or the opportunity — our own modern lofty office with spacious workplace, and brand-new work equipment (near Pochaina metro station);
- Flexible work schedule — we expect a full-time commitment but do not track your working hours;
Flat hierarchy without micromanagement — our doors are open, and all teammates are approachable.
During the war, the company actively supports the Ministry of Digital Transformation of Ukraine in the initiative to deploy an IT army and has already organized its own cyber warfare unit, which makes a crushing blow to the enemy’s IT infrastructure 24/7, coordinates with other cyber volunteers and plans offensive actions on its IT front line.
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· 165 views · 33 applications · 9d
Senior Node.js Backend Dev to $7000
Full Remote · Countries of Europe or Ukraine · Product · 8 years of experience · B2 - Upper IntermediateWe are hiring a top skilled Senior Node.js Engineer to build and operate the backend of our web trading platform. Qualifications: - 8+ years of commercial software development experience in Node.js and TypeScript - Strong production experience with...We are hiring a top skilled Senior Node.js Engineer to build and operate the backend of our web trading platform.
Qualifications:
- 8+ years of commercial software development experience in Node.js and TypeScript- Strong production experience with NestJS
- Experience with GraphQL, PostgreSQL
- Building cloud-native services in a service oriented architecture
- Designing and running systems at scale
- Third party API integrations
- Security fundamentals
- English: upper intermediate or higher
Good to Have:
- Good understanding of blockchain and cryptocurrency tech
- Experience with Web3 integrations, Ethers.js, EVM RPCs
- Experience with AWS, TypeORM
What You’ll Be Working On:
- Build backend services for a multi-chain aggregator and token-launch infrastructure on HyperEVM and LayerZero: APIs, workers, and data pipelines that power token creation, trading, and lifecycle management;
- Integrate with chain RPCs, indexers, and third-party APIs;
- Ship production observability: metrics, tracing, alerting
Recruitment Process:
- Single 60 minute interview ( live coding and technical questions)
More
- You share your full screen and code -
· 154 views · 42 applications · 6d
Back-End Developer (Blockchain Enthusiast)
Full Remote · Countries of Europe or Ukraine · 1 year of experience · B1 - IntermediateHi RedDuck is looking for talented Back-End Developers eager to grow in the Web3 and Blockchain space. If you have experience in blockchain, that's great! If you don't have any experience, no problem, we'll teach you! It is essential to possess strong...Hi👋
RedDuck is looking for talented Back-End Developers eager to grow in the Web3 and Blockchain space.If you have experience in blockchain, that's great! If you don't have any experience, no problem, we'll teach you!
It is essential to possess strong engineering skills, empathy, and a willingness to take initiative and offer innovative ideas.
Requirements ⬇️
- Degree in Computer Science or a related field, or equivalent practical experience.
- Minimum 0.5-1 year of commercial development experience.
- Proficiency in TypeScript and JavaScript.
- Knowledge of back-end development (NodeJS or other technologies such as Rust/.Net/Java etc.).
- Basic understanding of cryptography (symmetric/asymmetric encryption, hash functions).
- Knowledge of algorithms and data structures.
- Proficiency in English (B1 level or higher).
- Strong analytical and debugging skills.
- Proactivity, empathy, and initiative.
Will be a plus ⬇️
- Any knowledge in blockchain/distributed systems/smart contracts.
Responsibilities ⬇️
- Design and implement scalable and efficient backend solutions.
- Blockchain & Smart Contracts Development:
- Design, develop, and deploy smart contracts (e.g., Ethereum/Solidity, Polygon, BNB Chain, Solana, etc.).
- Write secure, gas-efficient, and maintainable smart contract code.
- Conduct unit testing, integration testing, and security testing for blockchain applications.
- Optimize smart contract performance and ensure compliance with protocol constraints.
- Blockchain Systems & Integrations:
- Build dApps (decentralized applications) and integrate smart contracts with frontend/backend.
- Develop APIs and middleware to connect blockchain with traditional systems.
- Work with wallets, oracles, and other blockchain ecosystem components.
- Security & Best Practices:
- Perform code audits and vulnerability assessments on smart contracts.
- Follow and enforce industry best practices in blockchain security.
- Stay alert to known exploits, risks, and security updates in relevant ecosystems.
- Project Delivery (Outsourcing Context):
- Collaborate with clients to translate business requirements into blockchain solutions.
- Deliver technical documentation, architecture diagrams, and deployment guides.
- Ensure that solutions are not only technically sound, but also meet client deadlines and expectations.
- Collaboration & Contribution:
- Participate in code reviews, ensuring high-quality standards for blockchain code.
- Work closely with internal teams (frontend, backend, QA) to deliver complete solutions.
- Mentor junior developers in blockchain technologies and smart contract development.
We offer ⬇️
- Comprehensive blockchain training in a supportive learning environment.
- Opportunities for professional growth and career advancement.
- Participation in challenging and innovative projects.
- Fully remote work.
- Competitive salary.
- English language courses.
- Paid vacation and sick leave 🏖️ 🤒.
- A friendly, open-minded, and supportive team 😊.
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· 87 views · 25 applications · 6d
Senior Node.js Developer (AI Solutions)
Full Remote · Ukraine · 5 years of experienceWe are looking for a Senior Node.js Developer with 5–7 years of experience to join our team building tailor-made AI solutions. Our projects go beyond templates: from computer vision for object detection and counting, to process optimization in logistics...We are looking for a Senior Node.js Developer with 5–7 years of experience to join our team building tailor-made AI solutions. Our projects go beyond templates: from computer vision for object detection and counting, to process optimization in logistics and packaging, to generative AI for text, images, and voice, as well as intelligent chatbots for communication.
What you will do:
- Design and implement robust backend systems for AI-driven solutions
- Collaborate with data scientists and product teams to translate business needs into scalable code
- Optimize algorithms and workflows for performance and efficiency
- Contribute to architectural decisions and mentor peers
What we expect:
- 5–7 years of professional experience with JavaScript, Node.js
- Strong knowledge of software architecture and best coding practices
- Solid problem-solving mindset and ownership attitude
- Experience with AI/ML integration, APIs, or computer vision is a plus
We offer:
- Challenging, non-template projects with real impact
- Close collaboration with clients and decision-makers
- Remote work with a flexible schedule
- A culture where your ideas and expertise shape the final product
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· 49 views · 8 applications · 6d
AI engineers (Python, Node.js, NestJS, TypeScript/JavaScript, React, Redis, MongoDB, Kafka, AWS, NX)
Full Remote · Countries of Europe or Ukraine · 5 years of experience · B2 - Upper IntermediateWorkload: full-time Start: asap Duration: long-term English: B2+ Seniority level: It can be middle plus or senior, but very important to pay attention to the requirements. Client’s Continuous Security Validation enables companies to challenge, assess and...Workload: full-time
Start: asap
Duration: long-term
English: B2+
Seniority level: It can be middle plus or senior, but very important to pay attention to the requirements.
Client’s Continuous Security Validation enables companies to challenge, assess and optimize their cyber-security posture against the evolving cyberthreat landscape, simply and continuously.
It strives to bring the highest level of service to everything we do. Their team is made up of the very best people for the job and as they grow, they’re always on the lookout for people with the skills, experience, and personality that will let them both shine.
What Does the Team Do?
The AI team is an integral part of the Client’s R&D department. They develop innovative AI Agents (Agentic AI) that enable customers to operate, investigate, and analyze their environments intelligently and automatically through the client’s platform. In addition, the team researches and develops new AI models to enhance user experience, optimize processes, and strengthen the cybersecurity capabilities of their products.
Responsibilities- Design and develop Agentic AI systems, models, and an advanced infrastructure stack.
- Build product components that integrate with internal systems, user experience, and advanced security features.
- Research new technologies, libraries, and solutions in AI and Cyber domains. Work in rapid sprints using Agile methodologies.
- Collaborate with developers and product teams to improve processes and design system architecture.
- Lead the adoption of advanced technologies and best practices in AI and Software Engineering.
Requirements and Experience
- Bachelor’s/Master’s degree in Computer Science, Engineering, or a related field.
- 4+ years of professional experience in software development of medium-to- large scale systems.
- Proven experience with Python, Node.js, NestJS, TypeScript/JavaScript, React, Redis, MongoDB, Kafka, AWS, NX.
- Hands-on experience with microservices, Docker, and Kubernetes. Strong background in software architecture and system design.
- Experience with LangGraph and LangChain – mandatory !!!
- Experience developing and integrating with MCP (Model Context Protocol) in AI – mandatory !!!
- Familiarity with cybersecurity – strong advantage.
- Knowledge in MLOps, fine-tuning, and vector databases – advantage. Excellent problem-solving skills and ability to thrive under tight deadlines. Proactive mindset, team player, and ability to provide technical leadership.
- Must speak intermediate plus English - mandatory !!!
- Must be a team player, hard worker, trust worthy, reliable, responsible, motivated and a long term player - mandatory !!!
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· 101 views · 21 applications · 6d
Senior Node.js Engineer
Full Remote · Countries of Europe or Ukraine · 4 years of experience · B2 - Upper IntermediateWe are looking for an experienced Node.js Engineer to join our team! Location: Remote Employment type: Full-time, 16.00 - 22.00 Kyiv time Stack: Node.js, Next.js, Supabase, TypeScript, LLMs What you’ll work on: Design and implement the event-driven...We are looking for an experienced Node.js Engineer to join our team!
Location: Remote
Employment type: Full-time, 16.00 - 22.00 Kyiv time
Stack: Node.js, Next.js, Supabase, TypeScript, LLMsWhat you’ll work on:
- Design and implement the event-driven backend (Node.js / Next.js / TypeScript, Supabase).
- Build intelligent LLM agent systems with memory, retry logic, tool use, and feedback loops.
- Architect schema and workflows for dev tools webhooks and real-time updates.
- Co-own tech strategy and system design with the founders.
- Build intuitive product interfaces for human–agent collaboration.
Who you are:
- A full-stack engineer who has built and shipped 0-to-1 products.
- Experienced in Next.js, serverless/event-based systems.
- Excited by agentic workflows, AI applications, and productivity tooling.
Why join:
- Work directly with founders who’ve scaled successful dev tools.
- Shape the architecture, product direction, and technical culture from day one.
- Be a core team member of what could become the next category-defining dev platform.
- Exposure to early product iteration, customer feedback, and technical decision-making.
About the project: the product is a Y Combinator-backed startup building the next-generation internal developer platform (IDP) - a unified interface powered by AI agents that automates all the annoying engineering tasks outside the code editor: deployment, performance, incidents, and bugs. The product is already being tested by engineers at OpenAI, Google, and NASA.
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· 136 views · 26 applications · 6d
Senior Node.js (AI-first, Vibe-coding) Engineer
Full Remote · Countries of Europe or Ukraine · 5 years of experience · B2 - Upper IntermediateA rapidly growing German startup is developing an innovative platform that connects users with doctors for medical marijuana prescriptions. The project leverages AI to deliver smart, efficient, and accessible healthcare solutions in a dynamic regulatory...A rapidly growing German startup is developing an innovative platform that connects users with doctors for medical marijuana prescriptions. The project leverages AI to deliver smart, efficient, and accessible healthcare solutions in a dynamic regulatory environment.
Role Overview
The startup seeks a highly skilled Senior Backend Node.js Engineer for an initial 3-month trial, with potential for extension. The role focuses on building robust backend systems using Node.js and integrating AI-driven features, embracing a "vibe-coding" approach - creative, AI-assisted development using tools like GitHub Copilot.
Key Responsibilities- Develop and maintain scalable Node.js backend services, including APIs and microservices.
- Integrate AI/ML pipelines (e.g., recommendation engines) to enhance platform functionality.
- Collaborate with teams to ensure secure, compliant, and user-friendly solutions.
Tackle complex challenges in a fast-paced startup setting.
Required Skills
- 5+ years of Node.js backend development experience.
- Proven expertise in AI/ML integration and vibe-coding tools (Cursor or Windsurf, Claude Code, MCP, ToolHive, etc.)
- Proficiency in Express.js, MongoDB/PostgreSQL, AWS/GCP, and Docker.
- Familiarity with healthcare regulations (e.g., GDPR) is a plus.
- Fluent in English;