Jobs

What will you do:

• Design, develop, and maintain scalable and robust backend services using Node.js (Nest framework).
• Develop and maintain databases using RDBMS (preferably PostgreSQL or MySQL) and NoSQL databases.
• Develop microservices architecture to enhance system modularity and scalability.
• Ensure basic security principles are integrated into the development process.
• Analyze business requirements, identify defects, and propose timely hotfixes.
• Participat in meetings to collaborate with the team.
   

What we are looking for:

• 2+ years of experience with Node.js (Nest framework).
• Strong experience with RDBMS (preferably PostgreSQL or MySQL) and NoSQL databases.
• Expertise in TypeORM.
• Knowledge of microservices architecture.
• Proficiency in gRPC.
• Experience with API services and WebSockets.
• Solid understanding of JavaScript ES6.
• Knowledge of HTTP/HTTPS and web protocols.
• Experience with message queue paradigms and well-known MQ servers.
• Proficiency in Redis (Bull).
• Strong analytical skills to analyze business requirements, identify defects, and propose hotfixes.
   

Nice to have:

• Experience with CI/CD pipelines and DevOps practices.
• Advanced knowledge of security principles and best practices
• Experience working in the iGaming industry.
   

What we offer:

• We offer a competitive salary that matches your skills and experience.
• Work from anywhere and keep a good work-life balance.
• We offer courses and training compensation to keep your skills sharp.
• Work with a supportive and creative team.

We’re looking for a talented person to join our Development team. Your role will encompass a range of responsibilities, the main one being back-end development via Nest.js.

You will work closely with developers, designer, QA, and PM.

About you

At least 2 years of professional experience in Nest.js (Node.js).

Experience in teams of 2-7 persons.

Strong understanding of project development life-cycle.

Strong understanding of Agile / Scrum.

Level of English — pre-intermediate.

Respect your and our time, and do not apply if you don't have business experience.

Hard Skills 

- TypeScript

- Node.js

- REST API

- Nest.js

- PostgreSQL

- MongoDB

- Understanding of principles of Functional Programming (FP) and Object-Oriented Programming (OOP)

- Dependency Injection (DI)

- Difference between SQL and NoSQL

- Writing clean, scalable code

following SOLID

- Experience with CI/CD

- Basic understanding of web security principles (OAuth, JWT, CORS)

Would Be a Plus:

- AWS Lambda

- AWS SQS

- Infrastructure as Code (IaC)

- Ability to optimize applications for maximum speed and scalability

Responsibilities

Collaborate with the development team and customers.

Conduct research: user, products, tools (3rd parties); Analyze competitors and follow best practices of the product.

Set up and lead daily / weekly meetings.

Be responsible for the result.

Create user stories and keep project documentation updated.

Stay updated with the latest design trends, techniques, and technologies to ensure our products are always at the cutting edge of features and design.

What we offer 
22 days off and 12 sick days are paid by the company annually.
Paid national holidays.
Health Insurance

English classes .
GYM.

Teambuilding twice per year.
 

Please send your CV.

Cowchain blockchain development company is actively looking for Backend Developer to join our development team.

About us:
Cowchain have successfully completed 120+ projects mainly on EVM-based blockchains such as Ethereum, Polygon, Arbitrum, Base including Coinmarketcap leaders with 180M+ total capitalization and 20M+ daily trading volume in Move2Earn, Play2Earn and DeFi industries.
 
Required skills:
— 1+ year of commercial experience specifically in Web3/blockchain development
— 2+ years of experience in back-end development overall
— Node.js, Nest.js
— MSSQL, MySQL, PostgreSQL
— RabbitMQ, Redis Cache, BullMQ
— JIRA, Gitflow
— Hands-on experience with EVM-based blockchains (Ethereum, Polygon, BSC, etc.)
— Solid understanding of EVM architecture and smart contracts (Solidity)
 
Tech stack:
— Node.js, Express, Nest.js, Microservices, Reddis, RabbitMQ;
— MYSQL, MSSQL, PostgreSQL;
— TheGraph (Subgraph), Moralis, Alchemy, Infura, Event indexing back-end;
— Azure, AWS, Google Cloud;
— Docker, Kubernetes.

What will you do:
— New features development;
— Bugfixes and support existing solutions;
— Participate in project architecture discussions;
— Build solutions from scratch as well as join on-going development process;
— Have fun)

Will be a huge plus:
— Web3/Ethers libraries;
— React development experience;
— Experience with DEX/CEX integration (Uniswap, PancakeSwap, Binance API);
— Solidity / Hardhat / Foundry.

What we offer:
— Flexible working schedule, remote work;
— Competitive salary with bonuses for activities;
— Ability to dive into fast-growing blockchain/crypto industry;
— Work with modern tech stack (blockchain);
— Paid vacations, sick leaves;
— 100% friendly/family team.
 

Cowchain blockchain development company is actively looking for Backend Developer to join our development team.

About us:
Cowchain have successfully completed 120+ projects mainly on EVM-based blockchains such as Ethereum, Polygon, Arbitrum, Base including Coinmarketcap leaders with 180M+ total capitalization and 20M+ daily trading volume in Move2Earn, Play2Earn and DeFi industries.

Required skills:
— At least 3-year commercial experience in the Backend development
— Node.js experience is A MUST
— Ability to use Solscan to analyze data;
— Compiling, signing and sending transfer transactions;
— Compiling, signing and sending swap transactions;
— Transaction mult-signatures
— Pump.fun / Jupiter / Raydium;
— Bignumber.js / bn.js
— Understanding of gas, priority fee, token account creation
— Meme-coin creation Pump.fum/Meteora
— JIRA, gitflow

Tech stack:
— Node.js, Nest.js, Microservices
— MYSQL, MSSQL, PostgreSQL
— TheGraph (Subgraph), Event indexing back-end
— Azure, AWS, Google Cloud
— Docker, Kubernetes

Will be a plus:
— EVM-based blockchains (Ethereum, Avalanche, Polygon, Binance Smart Chain, Velas, Hedera etc)

What will you do:
— New features development;
— Bugfixes and support existing solutions;
— Participate in project architecture discussions;
— Build solutions from scratch as well as join on-going development process;
— Have fun)

What we offer:
— Flexible working schedule, remote work;
— Competitive salary with bonuses for activities;
— Ability to dive into fast-growing blockchain/crypto industry;
— Work with modern tech stack (blockchain);
— Paid vacations, sick leaves;
— 100% friendly/family team.

About the job

Software Development Team Lead – Drive Innovation and Growth

About Exactius

Exactius partners with businesses to solve complex digital marketing challenges and drive ambitious growth. We bring executive leadership and cross-functional execution teams that strategize, execute, and deliver results. Our teams include performance marketing CMOs, campaign and CRM managers, conversion and product managers, data scientists, developers, and creative experts. Supported by proprietary technology for advanced analysis and real-time optimization, Exactius operates as an extension of your internal teams, focused on one goal—faster and more profitable growth.

About Violet Growth

Violet Growth is an AI-powered growth platform that helps businesses unlock their full potential through real-time analytics, advanced attribution models, and strategic advisory services. We

bridge the gap between data and decision-making, enabling companies to scale smarter.

The Role

We are looking for a Software Development Team Lead to oversee the technical direction of our platform while remaining hands-on in development. This role requires a strong leader and developer who can mentor a remote team while designing and delivering scalable, data-driven solutions. You will drive the development of real-time analytics features, advanced attribution

models, and seamless data integrations, ensuring technical excellence at every step.

Key Responsibilities

Leadership & Mentorship

• Lead and mentor a team of developers in a remote, agile environment.
• Foster a culture of collaboration, accountability, and continuous learning.
• Provide hands-on technical guidance and coaching.

Hands-On Development

• Designed and developed scalable web applications using Node.js, NestJS, ReactJS, Next.js, and Google Cloud Platform.
• Implement key features, optimize platform performance, and ensure reliability.
• Contribute to the codebase, setting high-quality standards for the team.

Product Development

• Work closely with the product team to develop features aligned with business objectives.
• Oversee the implementation of real-time analytics, attribution models, and AI-powered insights.
• Ensure platform scalability and maintainability.

Technical Execution

• Design, develop, and test scalable applications.
• Integrate and optimize data pipelines for real-time insights.
• Manage performance optimization efforts.

Process & Innovation

• Establish best practices for coding, testing, and documentation.
• Oversee sprint planning, code reviews, and CI/CD workflows.
• Research emerging technologies and contribute to architectural decisions.

What You Bring

• 5+ years of full-stack development experience.
• Strong expertise in front-end and back-end development.
• Proficiency in relational databases, CI/CD, and agile methodologies.
• Leadership experience, mentoring developers and driving best practices.
• Experience working closely with design teams and tools like Figma.
• Exceptional verbal English communication skills.
• Comfort working in a remote, fast-paced environment.

What We Offer

• A collaborative and innovative work environment.
• The opportunity to work on cutting-edge AI-powered growth technologies.
• Career development and leadership opportunities.
• A flexible, remote work setup supporting work-life balance.

Are you ready to lead and innovate? You can apply now or share this opportunity with someone who might be a great fit.

#Hiring #SoftwareDevelopment #TeamLead #AI #GrowthTech #RemoteWork

A fast-growing fintech startup building cutting-edge blockchain solutions looking for an experienced Backend Developer( Node.js Developer (NestJS) | Fintech, Blockchain, Highload) to join our remote team.. We work at the intersection of finance, crypto, and highload systems

Tech stack we use:

Node.js, NestJS, Kafka, RabbitMQ
MongoDB, PostgreSQL, Redis
Docker, Kubernetes, Web3
Microservices, CI/CD

Requirements:

• 2+ years of commercial experience with Node.js and NestJS
• Strong understanding of microservice architecture principles
• Hands-on experience with Kafka or RabbitMQ
• Experience working with databases: MongoDB, PostgreSQL, Redis
• Solid background in fintech, blockchain, or highload projects (ideally more than one)
• Good grasp of asynchronous processes and ability to write async code
• Experience building REST APIs and working with WebSocket/Socket.IO (WS/WSS)
• Confident Git and Gitflow user
• Ability to read and work with existing codebase
• Skilled in logging and debugging

Nice to have:

• Experience with TypeScript
• Understanding of Docker and CI/CD
• Exposure to Web3 integrations

 What we offer:

• Fully remote work
• Flexible working hours
• Direct access to C-levels — your ideas matter here
• Open-minded team always ready to test new tech

• Gifts on special occasions

   

dreambit.io is a team of professionals who are passionate about developing mobile applications and strive to develop the best products in the field. We can proudly boast high ratings and reviews on the most prominent platforms, such as Clutch, Upwork, TechReviewer, GoodFirms, and Manifest.

dreambit.io invites Node.js Developer to join our team.

Requirements:
— 2+ years of experience with Node.js
— Solid knowledge of JavaScript and TypeScript
— Proven experience with NestJS
— Solid working knowledge of PostgreSQL
— Familiarity with Docker and Git
— Еxperience with Amazon Cognito and Amazon S3
— English level — Intermediate+

Would be an advantage to have proven experience with:

-  PM2

- AWS: EC2, RDS, S3 (bucket)

- Express.JS

- Sequelize

What would you do?

— Develop and maintain backend services using Node.js
— Build and integrate REST APIs and real-time solutions
— Collaboration with the team and clients on project-related tasks
— Identify and troubleshoot performance or scalability issues
— Continuous learning of best practices and enhancement of skillsets

We offer

— Remote full-time job, long-term employment

— Flexible working hours

— Paid vacation (15 business days) and sick leaves (10 business days)

— Paid day off (Ukrainian holidays)

— Benefits system for education, health care or hobbies

— Online/offline events

— Friendly atmosphere, mutual help and support

— Compensation is negotiable based on experience

Interviewing Stages
— HR Screening (up to 60 min)

— Technical interview (60-90 min)

— Final interview with Project Manager (up to 30 min)

What will you do:

• Design, develop, and maintain scalable and robust backend services using Node.js (Nest framework).
• Develop and maintain databases using RDBMS (preferably PostgreSQL or MySQL) and NoSQL databases.
• Develop microservices architecture to enhance system modularity and scalability.
• Ensure basic security principles are integrated into the development process.
• Analyze business requirements, identify defects, and propose timely hotfixes.
• Participat in meetings to collaborate with the team.
   

What we are looking for:

• 2+ years of experience with Node.js (Nest framework).
• Strong experience with RDBMS (preferably PostgreSQL or MySQL) and NoSQL databases.
• Expertise in TypeORM.
• Knowledge of microservices architecture.
• Proficiency in gRPC.
• Experience with API services and WebSockets.
• Solid understanding of JavaScript ES6.
• Knowledge of HTTP/HTTPS and web protocols.
• Experience with message queue paradigms and well-known MQ servers.
• Proficiency in Redis (Bull).
• Strong analytical skills to analyze business requirements, identify defects, and propose hotfixes.
   

Nice to have:

• Experience with CI/CD pipelines and DevOps practices.
• Advanced knowledge of security principles and best practices
• Experience working in the iGaming industry.
  
   

What we offer:

• We offer a competitive salary that matches your skills and experience.
• Work from anywhere and keep a good work-life balance.
• We offer courses and training compensation to keep your skills sharp.
• Work with a supportive and creative team.

Cowchain blockchain development company is actively looking for Fullstack Developer to join our development team.

About us:
Cowchain have successfully completed 120+ projects mainly on EVM-based blockchains such as Ethereum, Polygon, Arbitrum, Base including Coinmarketcap leaders with 180M+ total capitalization and 20M+ daily trading volume in Move2Earn, Play2Earn and DeFi industries.
 

Required skills:

— At least 1-year commercial experience in backend development
— Node.js & Nest.js — A MUST
— TypeScript
— PostgreSQL with Drizzle ORM
— Understanding of Onion Architecture
— Experience working with EVM networks and smart contracts
— Event indexing via The Graph / Subgraph
— REST & WebSocket APIs development
— GitFlow, Jira
— Experience with React, Next.js, Zustand
— SCSS, responsive UI
— axios for API calls
— Experience with blockchain data providers (Infura, Alchemy, QuickNode)

What will you do:
— New features development
— Bugfixes and support existing solutions
— Participate in project architecture discussions
— Build solutions from scratch as well as join on-going development process
— Have fun

What we offer:
— Flexible working schedule, remote work
— Competitive salary with bonuses for activities
— Ability to dive into fast-growing blockchain/crypto industry
— Work with modern tech stack (blockchain)
— Paid vacations, sick leaves
— 100% friendly/family team

We are looking for a highly skilled Middle Node.js Developer to join our dynamic team! If you’re up for a challenge and enjoy working in a collaborative environment, we’d love to hear from you 🚀

Requirements:
— Experience with:
• JavaScript, Typescript;
• Node.js, Express or Nest.js;
• REST API;
• MySQL or PostgreSQL;
• TypeORM or Sequelize;
• Docker;

• GCP;
• Basics of Linux;
— Understanding of basic principles of LLM models, AI Agents, RAG Architecture Model;
— General knowledge of LangGraph/LangChain frameworks;
— Confident written and spoken English (B2 level or above);
— Effective communication and collaboration skills;
— Critical thinking and accountability;
— Excellent time management skills and ability to adapt to a fast-paced work environment;
— Bachelor’s or Master’s degree in a technical field.

Would be a plus:
— Experience with:
• RabbitMQ;
• MongoDB;
• Websocket, SocketIO;
• AWS, Azure;
• Test frameworks;
— Experience with LangGraph/LangChain frameworks;
— Developing agent workflows and applications powered by large language models (LLMs);
— Strong understanding and hands-on experience with front-end technologies and architecture;
— Ability to find creative solutions to complex architectural or coding issues.

We offer:
• Transparent financial motivation;
• Remote workplace or a comfortable office in the center of Kyiv;
• 18 working days of paid leave annually;
• Unlimited sick days;
• Salary review twice a year;
• Compensation for our English-speaking club — 100%;
• Compensation for any AI tool of your choice — 100%;
• Compensation for coworking spaces — 100%;
• Compensation for gym memberships and professional courses — 50% (after the trial period);
• Compensation for any English courses — 50% (after the trial period);
• Compensation for sessions with a psychologist — 50% (after the trial period);
• Medical insurance (after the trial period).

Interview Stages:
Screening Interview ➡️ Technical Interview ➡️ Job Offer

If you have the skills, passion, and determination we’re looking for, apply now to become part of our exciting journey ⭐️

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

We’re looking for a Backend Developer with strong expertise in Medusa.js v2 and Next.js. You’ll help us build and extend modern eCommerce platforms—developing custom plugins, integrating third-party systems, and enhancing the admin dashboard for advanced business needs.

What you’ll do

• Develop and extend Medusa.js v2 backends for eCommerce projects.
• Create custom plugins and modifications to fit unique business logic.
• Integrate external systems (ERP, PIM, CRM, payment providers, logistics, etc.).
• Extend and customize the admin dashboard for better workflows and management.
• Collaborate with frontend developers and project managers to deliver scalable, high-end digital commerce solutions.
• Ensure code quality, security, and performance across projects.
•  

What we’re looking for

• Proven experience with Medusa.js v2 in production projects.
• Strong skills in Next.js and modern JavaScript/TypeScript.
• Experience building plugins, APIs, and custom modifications in Medusa.
• Familiarity with headless commerce architectures and integrations.
• Experience customizing or extending Medusa’s admin dashboard.

• Strong problem-solving skills and ability to work in a collaborative, agile environment.

   

Nice to Have

• Knowledge of databases (Postgres, Redis) and cloud platforms (AWS, Vercel).
• Experience with CI/CD and scalable deployments.

• Understanding of UI/UX principles when extending admin dashboards.

   

Why join us

Work on high-end eCommerce platforms where flexibility, performance, and design are key. You’ll join a team that values clean architecture, composable commerce, and creating solutions that scale.

Apply: Share your portfolio, GitHub, or examples of Medusa.js projects you’ve worked on (plugins, integrations, or dashboard extensions).

We’re looking for a skilled Node.js Developer to join our team at Cruxlab!

If you’re passionate about coding, experienced with Node.js and Typescript, and excited to tackle new challenges, we’d love to have you on board. Let’s create something incredible together 🚀

What we’re looking for:

• 2+ year of experience with Node.js and Typescript (Sveltekit is a plus)
• Understanding of networking protocols (HTTP, Websockets)
• Knowledge of SQL (PostgreSQL)

• Experience with Docker containers

   

Nice to have:

• Understanding of distributed systems (async tasks, message queues)
• Hands-on experience with Kubernetes
• Writing unit and integration tests
• Experience with cloud providers (Azure is a plus)
• Understanding how to analyze logs and tracing data
• Experience with OpenAI API

We offer:

• Fully remote work – work from anywhere in the world that suits you best.
• Flexible schedule – we care about results, not clock-ins.
• Competitive compensation – base salary + performance-based bonuses.
• Professional growth – internal resources and mentorship support.
• Learning support – we can cover 50% of the cost for approved courses or training related to new technologies or professional development.
• Paid vacation, sick leave, and public holidays – we care about your well-being and work-life balance.
   

Technologies

Core:

• Node.js (Express, MongoDB)
• Python (TensorFlow, OpenCV)
• Docker, Redis, FFmpeg
• AWS (Lambda, SQS, ECS)

Additional:

• React/Next.js, WebRTC
• Machine Learning
• REST API, microservices

Example Tasks

• Build a parser for kick.com streams
• Add a “team kill” highlight in CS2
• Implement player camera detection in live video streams

Requirements

Must-have:

• 2+ years of experience with Node.js or Python
• Knowledge of microservices, MongoDB, Redis
• Git, Docker, REST API

Preferred:

• Experience with FFmpeg
• Knowledge of AWS, ML
• Understanding of the esports industry

Format & Conditions

• Salary: $2000–3000, regular reviews
• Remote, flexible schedule
• Exciting projects involving video, AI, and system scaling
• Growth opportunities to Senior/Tech Lead

We are AIDA, a recruitment technology-based employee search. For our client, we are looking for a Backend Developer (Node.js) who is ready to join the team. This is a great opportunity for those who want to grow professionally while contributing to exciting and evolving projects.

As a Backend Developer, you will be responsible for building new functionality, optimizing existing code, participating in Agile ceremonies, and working closely with cross-functional teams including business analysts, designers, testers, and account managers. The role includes interaction with clients and opportunities to take part in technical interviews.

The Ideal Candidate

• Experience with Node.js: 2+ years
• Python: 1+ year of experience - will be a plus
• Database knowledge: SQL and NoSQL
• API development: REST and/or GraphQL
• Understanding of project architecture and business logic
• Experience with Git and Jira
• Familiarity with SCRUM, Lean principles
• Strong communication skills and client interaction experience
• Experience in code review and writing unit/integration tests

Soft Skills

• Responsible and self-organized
• Open to feedback and flexible
• Client-oriented and communicative
• Eager to learn and grow
• Able to listen and clearly present ideas

Recruitment Process

1. Screening interview
2. Technical interview
3. Final interview

What the Company Offers

• Official employment via a gig contract
• Paid vacation and sick leave compensation
• Office - based and hybrid model 
• Modern office near Vasylkivska metro station, equipped with a shelter, Starlink internet, and uninterrupted electricity supply
• Challenging and diverse tasks that keep things interesting
• A chance to shape the direction of the department by bringing in your ideas and approaches
• Supportive and friendly team environment with a focus on comfort and collaboration
• Regular salary reviews, with financial rewards tied to the USD exchange rate
• Medical insurance coverage
• Free gym access next to the office