Jobs Fullstack

A potential invitation to potential minds!

4K-Soft is People. People are most important to us. People are at the heart of every connection we build. Come and join 4K-Soft, where human minds come together to pave the way for the future. We offer a variety of full-time jobs, training programs and internships. Only imagine, how you can help our company and start your career with 4K-Soft!

We are looking for a Junior FullStack Web Developer.

What we expect from you:

2+- years of commercial experience in Node.js + React.

We offer:

Competitive level of remuneration

Modern comfortable office or remote work

Convenient work schedule, paid vacation and sick leaves

The opportunity to grow professionally by participating in the implementation of interesting and complex projects, as well as showing personal initiative.

We are seeking for a Senior Developer with deep expertise in AI, code, and scaling – and above all, the ability to lead bold technological processes and change the rules of the game.

If you live and breathe code, love automation, and get excited by the opportunity to write less and create more – this is your place.

1. We are looking for someone with Tech Lead experience- this is still a hands-on position.

2. Candidate must work with AI for a minimum of one year.

3. The profile here is a strong tech lead, who loves technology and exploring and learn new technologies by himself.

Responsibilities:

• Leading the transition from monolithic to microservices architecture
• Leading work with tools like GitHub Copilot and other LLMs as daily tools
• Accelerating development processes, automating tests, documenting and understanding complex code
• Defining new standards for high-volume development environments
• Technical leadership of a team – including training, mentoring, and hands-on implementation
• Implementing code solutions quickly and with high quality in critical systems environments
• Developing cloud systems

Requirements:

• 7+ years of backend development experience in C#/.NET, Node.js is an advantage
• 4+ years of experience in React.
• Great English communication skills.
• Proven experience in rapidly improving development speed and reducing bugs using AI-based tools
• Ability to lead end-to-end development processes including scaling, documentation, and automation
• System-level thinking, business orientation, and training skills Experience working with microservices architecture and building APIs
• B.Sc. in Computer Science or a similar technological field – required

Relevant Technologies:

• Backend: Node.js/C#/.NET Framework, ASP.NET Web API/Core, Entity Framework, Python
• Databases: SQL Server, MongoDB, Redis
• Messaging: RabbitMQ
• Frontend: Angular 5+, TypeScript, React
• Cloud & Containers: Azure / AWS, Kubernetes
• AI Tools: GitHub Copilot, Claude – proven experience required

Darly Solutions is an international IT company specializing in delivering innovative solutions across FinTech, MedTech, SaaS, and other domains.

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.

We are looking for a Middle / Middle+ Fullstack Developer to support the ongoing development of a production-grade web application. The product is live and actively used.

You will work with an internal development team in a modern, containerized environment. Tasks are well-defined and managed via GitLab.

Requirements:

-Strong experience with Angular (v16+), including Signals and standalone components
- Proficiency with NestJS and modular backend architecture
- Strong TypeScript
- Hands-on experience with MariaDB and TypeORM (schema, migrations)
- Real-world experience integrating Keycloak (authentication, RBAC)
- Experience with Playwright or Cypress for end-to-end testing
- Familiarity with Docker, Git, CI/CD
- Strong English and soft skills, independent and reliable working style

- Coding test is expected during the process

Responsibilities:

- Build and maintain Angular components (standalone components, Signals)
- Extend and improve REST APIs using NestJS
- Manage MariaDB schema and TypeORM migrations
- Implement and maintain Keycloak-based authentication and role-based access control
- Write end-to-end tests using Playwright/Cypress
- Ensure code quality and contribute to technical documentation
- Collaborate with internal team, follow GitLab-based workflow

It will be a plus:

- Experience with high-load or production-grade systems
- Deeper CI/CD and DevOps experience
- Experience improving test stability and coverage in E2E pipelines

We are a dynamic and innovative tech startup dedicated to modern technologies. We are at the forefront of web3 development, leveraging blockchain technology to create cutting-edge solutions.

We are seeking a passionate and talented Junior Full-Stack JavaScript Developer with a keen interest in web3 technologies to join our growing team. As a key member of our development team, you will have the opportunity to learn and contribute to projects that push the boundaries of decentralized applications (DApps) and blockchain integration.

Qualifications:

- Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience). Students are welcome.

- Solid understanding of JavaScript, HTML, CSS, and front-end frameworks (e.g., React, Angular, or Vue).

- Basic knowledge of back-end technologies (Node.js, Express, etc.).

- Familiarity with blockchain concepts and technologies (Ethereum, Solidity, etc.) is a huge plus.

- Eagerness to learn and adapt to new technologies.

- Strong problem-solving and communication skills.

Bonus Skills:

- Stong backend background.

- Knowledge of algorithms and cryptography.

- Familiarity with OOP, SOLID and other important principles.

What We Offer:

- Competitive salary and benefits package.

- Mentorship and learning opportunities in the web3 space.

- Remote and innovative work environment.

- Opportunities for career growth and advancement.

How to Apply:

If you are excited about the prospect of working on cutting-edge web3 projects and have the skills to contribute, please submit your resume, a cover letter explaining why you fit into this position, and a link to your GitHub.

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and more, driving digital transformation across finance, manufacturing, telecom, healthcare, and other industries. Join N-iX and become part of a team where your ideas make a real impact.

Position Overview:

We are looking for a Senior Full-Stack Engineer to join a cross-functional engineering team building core components of the AI-driven document processing platform. This position requires strong backend engineering experience with Python as well as solid front-end or full-stack proficiency with TypeScript (preferably React, Next.js, or similar frameworks).

You will work on delivering scalable APIs, microservices, data workflows, and UI components that power document automation features, internal tools, and operational dashboards. The role involves close collaboration with product, architecture, GenAI, and platform engineering teams.

This role is ideal for someone who is hands-on, highly technical, and comfortable designing, developing, and deploying production-grade systems in cloud environments (preferably Google Cloud).

Key Responsibilities:

• Design, develop, and maintain backend services using Python (FastAPI, Flask, Django, or similar frameworks).
• Build front-end components and UIs using TypeScript (React, Next.js, or similar frameworks).
• Develop and integrate REST APIs and microservices, ensuring strong performance, reliability, and observability.
• Collaborate closely with GenAI engineers to integrate AI-driven features and document-processing flows.
• Implement data processing pipelines for structured and unstructured data.
• Work with Google Cloud Platform services such as Cloud Run, Cloud Functions, Pub/Sub, and Cloud Storage.
• Contribute to the platform’s architecture, design patterns, and technical decision-making.
• Write automated tests and ensure a high level of code quality, maintainability, and security.
• Partner with product managers, designers, and QA engineers to deliver high-quality solutions on time.

• Document code, service interfaces, workflows, and architectural decisions.

   

Requirements:

• 6+ years of professional software engineering experience, with significant work in both backend and full-stack roles.
• Strong proficiency in Python (FastAPI, Flask, Django, or similar).
• Solid experience with TypeScript and modern front-end frameworks (React, Next.js, or similar).
• Hands-on experience designing and implementing microservices, APIs, and backend systems.
• Strong understanding of databases: relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Firestore).
• Experience with Google Cloud Platform or other cloud providers (AWS/Azure).
• Familiarity with CI/CD pipelines, Docker, Git, and modern DevOps practices.
• Strong understanding of software engineering principles: scalability, reliability, performance, and security.
• Experience working in agile, cross-functional teams on complex products.
• Excellent communication skills and ability to work with both technical and non-technical stakeholders.

Nice to Have:

• Experience working with AI/ML or GenAI-driven systems.
• Familiarity with Vertex AI, Gemini, or integration with LLM-powered services.
• Experience with WebSockets, event-driven architectures, or Pub/Sub.
• Knowledge of authentication/authorization standards (OAuth2, JWT, IAM).
• Experience with document processing, OCR, or workflow automation.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

We are looking for a skilled fullstack developer to support the further development of a production-grade web application. The stack includes Angular (latest version) as the frontend framework, NestJS for the backend, MariaDB as the database, and Keycloak for authentication and authorization. We use TypeORM for data access.

Responsibilities:

• Build and maintain Angular components (standalone components, Signals)
• Extend and improve REST APIs using NestJS
• Manage the MariaDB database schema and migrations using TypeORM
• Implement and maintain Keycloak-based authentication, including role-based access control
• Write end-to-end tests using Playwright or Cypress
• Ensure high code quality and contribute to technical documentation

Requirements:

• Strong experience with Angular (v16 or newer), including Signals
• Proficiency with NestJS and modular backend architecture
• Solid TypeScript knowledge
• Hands-on experience with MariaDB and TypeORM
• Real-world experience integrating Keycloak into fullstack apps
• Experience with Playwright or Cypress for end-to-end testing
• Familiarity with Docker, Git, and CI/CD pipelines

Project Info:

• The application is already live and actively used
• Tasks are well-defined and managed via GitHub
• Collaboration with an internal development team
• Modern, containerized infrastructure
• We’re looking for someone who can get started soon. If the collaboration works well, long-term cooperation is possible.

What We Seek:

- Proficiency in JavaScript programming.

- Hands-on experience with React and Node.js.

- Strong teamwork abilities.

- Upper-Intermediate level of English proficiency.

- Knowledge of React Native or Python would be a plus

What We Offer:

- Opportunity to bring your ideas to life and lead the entire process.

- Flexible 40-hour workweek with the option for hybrid or remote work

- Competitive salary featuring regular compensation reviews.

- Paid vacation (20 business days) and sick leave

- A cozy office located near the center of Lviv.

- Friendly, open-minded team with minimal bureaucracy

We are looking for a Full Stack Developer with solid experience in Python and React Native for a full-time outsource project.

What We Seek:

• 2+ years of commercial experience as a Full Stack Developer
• Strong experience with React Native and React
• Experience working with:
  • Expo
  • Zustand
  • TypeScript
• Backend experience with Python
• Hands-on experience with AWS, including:
  • AWS Lambda
  • AWS CDK
  • Amazon Cognito
  • RDS (PostgreSQL)
  • EventBridge
  • S3
• Understanding of RESTful APIs and modern application architecture

• Ability to work independently and collaborate within a team

   

Would be a plus:

• Experience with additional AWS services
• Mobile app publishing experience (App Store / Google Play)
• Experience with CI/CD pipelines

• Knowledge of testing frameworks and best practices

   

What We Offer:

• Opportunity to bring your ideas to life and lead the entire process.
•  Flexible 40-hour workweek with the option for hybrid or remote work
• Competitive salary featuring regular compensation reviews.
• Paid vacation (20 business days) and sick leave
• A cozy office located near the center of Lviv.
•  Friendly, open-minded team with minimal bureaucracy

What We Seek:

- Proficiency in JavaScript programming.

- Hands-on experience with React Native and Node.js.

- Strong teamwork abilities.

- Upper-Intermediate level of English proficiency.

- Knowledge of Python would be a plus

What We Offer:

- Opportunity to bring your ideas to life and lead the entire process.

- Flexible 40-hour workweek with the option for hybrid or remote work

- Competitive salary featuring regular compensation reviews.

- Paid vacation (20 business days) and sick leave

- A cozy office located near the center of Lviv.

- Friendly, open-minded team with minimal bureaucracy

Bitmedia Labs is an international product IT company that has been building ambitious innovative products for millions of users worldwide since 2014 - combining deep tech expertise with a creative mindset. 

Our ecosystem spans:
• Game Development — building the next generation of Web3 gaming, where gameplay comes first, players own their assets, and developers thrive within massive, engaged communities.
• Digital Marketing Ecosystem — building a unified ecosystem that combines a leading high-performance advertising platform with emerging media and affiliate solutions.

Requirements:
• At least 1 years of professional experience with Node.js and any modern frontend framework (React.js, Vue.js, Angular, etc.);
• Commercial experience with any database systems (SQL or NoSQL);
• Strong experience in creating adaptive and responsive layouts with HTML5 and CSS3, including pixel-perfect and flexbox layout techniques;
• Experience with at least one CSS preprocessor (such as Stylus, Sass, Less, or SCSS) or PostCSS;
• Proficiency in using Git as a code versioning tool;
• Solid understanding of networking, DNS, and sockets;
• Passion for continuous learning, with the ability to stay up-to-date with the latest technologies and incorporate them into your work;
•Excellent self-management skills, with a high level of autonomy;
• Strong critical thinking skills, with the ability to troubleshoot and solve problems independently;
• Excellent communication and collaboration skills.

Nice to have:
• Experience with Mongo DB;
• Experience with Next.js.
• Experience with Clickhouse, Cassandra;
• Experience with message brokers such as RabbitMQ or Apache Kafka.
• Experience with Jira/Confluence;
• Experience with containerization technologies, Docker in particular;
• Familiarity with Blockchain technology and its potential applications;
• Familiarity with CI/CD tools;

Hiring process:
• Intro call with a Recruiter - Technical Interview - Сollection of recommendations - Offer.
 

Join Bitmedia Labs to evolve, explore, and make a real difference - together.

Our culture is built on openness, trust, and support. We value initiative, ownership, and results. We work as one team - helping each other, celebrating wins, and learning from challenges together. 
We offer the freedom and space to grow:
• Professional growth and self-realization through ambitious products;
• The opportunity to bring your ideas to life, experiment, and directly influence the product’s development; 
• Collaboration with talented teammates united by a shared goal.

We also care about well-being and balance:
• Flexible schedule and the option to work remotely or from our hubs in Kyiv, Warsaw, and Berlin;
• Competitive compensation, regular performance reviews, paid vacation, sick leave, and public holidays;
• Modern Apple equipment and thoughtful corporate gifts for holidays and personal milestones.
• Support for your growth: courses, workshops, and conferences.

Through our charity foundation Bit Spilka, run by volunteers from our team, we support the military, medics, and civilians across Ukraine — already delivering over $500,000 in aid. Here your work also drives social impact, and you can also join our volunteer initiatives.

If this resonates with you - send your CV and join us.
Let’s foster the world together!

Required skills:
1. Software Engineering education or similar is MUST
2. Knowledge and understanding of OOP or functional paradigms
3. Commercial experience  in building web solutions using Node.js (Nest.js) and React.js / Next.JS from 1+ year
4. English — intermediate strong or higher

5. You live in Lviv only; we consider candidates from Lviv only. 
 

Responsibilities:
— Full cycle of developing a web application (frontend/backend/database): development features from scratch, bug fixing, code refactoring, application deployment using JS ecosystem (Node.JS (Nest) and React, Vue sometimes)
— Working with a mentor who helps you to learn and boost your skills with maximum speed. Challenging internal and Client projects, code review, and training materials are waiting on you as well )))

Ми Пропонуємо

💰 Компенсація: ставка з привязкою до USD

🚀 Карєрний розвиток

🏝️ 18 робочих днів відпустки

🤒 10 робочих днів лікарняних

👶 3 робочі дні — на випадок важливих подій

👌 Гнучкий графік

✅ Бухгалтерський супровід

🥳 У свій ДН також компанія дарує вихідний день

✅ Можливість бронювання
👌 За бажанням працювати, як з офісу так і з дому, але шукаємо людину, яка знаходиться географічно у Львові наразі

Job Description

• 6+ years of software development experience with the .NET platform (ASP.NET Core, C#)
• Strong experience building and consuming REST APIs (OpenAPI, FluentValidation)
• Knowledge of OAuth 2.0 flows is a plus
• At least 2+ year of proven experience with Azure Cloud services (Service Bus, Azure Functions, CosmosDB)
• Hands-on experience with front-end development in React (TypeScript, state management)
• Hands-on experience with adaptive design
• Solid understanding of client-server application design and asynchronous programming
• Experience with CI/CD pipelines in Azure DevOps or equivalent tools
• Knowledge of containerization (Docker, Kubernetes) is a strong plus
• Familiarity with low-code/no-code integrations (Power Apps, Power Automate) is desirable
• Experience with Azure ML/AI services, document recognition, or data-driven workflows is an advantage
• Proficiency in debugging, refactoring, and clean code design
• Strong analytical skills with ability to ramp up quickly in new domains
• Good written and verbal communication skills in English (Upper-Intermediate+)

Job Responsibilities

• Design and implement cloud-native applications leveraging Azure Functions, Service Bus, and CosmosDB
• Develop front-end applications in React, ensuring responsive UI and seamless integration with back-end services
• Build and maintain microservices and APIs that integrate with multiple systems, including D365 and data platforms
• Collaborate with stakeholders to define and negotiate API contracts and ensure reliable system integrations
• Implement data processing and workflow services with a focus on scalability, performance, and resilience
• Contribute to the design of low-code solutions integrating Azure ML/AI services for automation (e.g., document recognition, intelligent data extraction)
• Participate in planning, estimation, and architecture discussions, providing technical guidance
• Debug and resolve issues of various complexities across the stack
• Work closely with DevOps and QA to ensure CI/CD pipelines, automated testing, and deployment processes are efficient and robust
• Follow coding standards and contribute to continuous improvement initiatives within the development team

Department/Project Description

GlobalLogic is searching for a motivated, results-driven, and innovative software engineer to join our project team at a dynamic startup specializing in pet insurance. Our client is a leading global holding company that is dedicated to developing an advanced pet insurance claims clearing solution designed to expedite and simplify the veterinary invoice reimbursement process for pet owners.

You will be working on a cutting-edge system built from scratch, leveraging Azure cloud services and adopting a low-code paradigm. The project adheres to industry best practices in quality assurance and project management, aiming to deliver exceptional results.

We are looking for an engineer who thrives in collaborative, supportive environments and is passionate about making a meaningful impact on people's lives. If you are enthusiastic about building innovative solutions and contributing to a cause that matters, this role could be an excellent fit for you.

EAY Impact is a global digital marketing company and a partner to leading platforms like Google, TikTok, and Meta. We develop high-performance ad optimization solutions that help PPC specialists automate and scale campaigns through seamless integration and advanced analytics.

 

We are currently in an active development phase and are looking for an experienced Middle Full-Stack Developer to join our engineering team. In this role, you will take ownership of technical decisions and build high-quality solutions that directly align with our business goals.

 

What you’ll help us to do:

- Design and implement low-latency, high-availability, and performant solutions using the Cloudflare ecosystem;

- Integrate scalable data storage solutions (D1, KV);

- Create and maintain data processing and API pipelines;

- Develop and optimize web interfaces for ad campaign management and monitoring;

- Effectively handle multiple priorities, organize workload, and meet deadlines

 

Here’s the experience that will help you to do the job:

- 2+ years of Full-stack Software Development experience;

- Frontend: Strong expertise in Next.js (App Router, Server Components), React, and TypeScript;

- Backend & Infrastructure: Deep understanding of the Cloudflare Platform (Workers and Pages);

- Data Storage: Hands-on experience with Cloudflare D1 (Serverless SQL) and Cloudflare KV;

- Database & ORM: Proficiency in Drizzle ORM and the ability to write/optimize SQL queries;

- Experience with CI/CD pipelines.

 

We are also interested in your soft skills:

- Ability to work on a variety of tasks with a high level of uncertainty;

- Adaptable in approach and communication;

- Eager problem-solver and strong team collaborator;

- Detail-oriented and committed to delivering high-quality results.

 

What you’ll get from working with us:

- Competitive salary in a fast-growing company;

- Paid days off and sick leaves;

- Full reimbursement of professional certifications;

- Compensation for English classes;

- Career growth in a team of professionals and a knowledge-sharing atmosphere;

- Team building and corporate activities

 

Our stages:

First screening — Technical interview — Offer

It is a high-growth SaaS company selling IT Service Management, a space that is being propelled into high growth as businesses worldwide accelerate their digital transformation and start to adopt new workstyles for their employees.

We have over 4,000 customers in 140 countries. We are deployed in 42 different languages and used daily by over 100,000 system administrators. Our software impacts the daily working lives of over 9 million end users.

About the role:
We’re looking for an experienced Full-Stack Developer to join our mission. If you’re passionate about building impactful products, love working with cutting-edge AI technologies, and want to help push the boundaries of what’s possible.

What You’ll Do:

• Develop AI capabilities in the backend using Node.js, build and maintain robust API and connectivity infrastructure, while creating advanced React-based applications as part of global SaaS platforms.
• Take ownership of both backend and frontend features, with a strong emphasis on backend excellence
• Upgrade and enhance existing code, implementing the latest standards and technologies
• Work with TypeScript, and modern development tools (Webpack, Vite, Jest)
• Collaborate within an Agile team, contributing to technical decisions and shaping the user experience
• Ensure system performance, code quality, and ongoing maintenance
   

What We’re Looking For:

• 4 years of experience in web development, primarily backend, with full-stack capabilities
• Strong hands-on experience in Node.js
• Experience with React and frontend development
• Familiarity with CI/CD processes and DevOps tools, an advantage
• Creative thinker, problem solver, and a strong team player
• Team player with creative thinking and strong problem-solving skills
   

Bonus Point:

Experienced in designing and deploying vector databases for semantic search, as well as developing AI-driven applications leveraging RAG techniques.

What we offer:

• 20 working days’ vacation; 
• 10 paid sick leaves;
• public holidays;
• equipment;
• accountant helps with documents;
• many cool team activities.

📍 Location: EU
💼 Cooperation type: Full-time
🧭 Work format: Remote
 

We’re looking for a skilled Full Stack Developer to join our product team. You’ll work on developing and maintaining integrations for popular CMS and CRM systems, playing a key role in building scalable and high-performing technical solutions.

About us:
Stape is a global product-driven IT company and the #1 leader in the server-side tracking market. We’re building a powerful, technically complex product that simplifies server-side tracking for marketers and website owners. Our platform processes over 15 billion requests daily, helping improve tracking accuracy and data privacy for more than 200, 000 clients worldwide. We work closely with top partners, including Meta, Tiktok and Snapchat, to provide advanced tracking capabilities.

We actively participate in industry-specific conferences as sponsors of events like MeasureCamp and Superweek.

Key tasks:

• Develop and maintain apps (plugins/extensions/modules) for popular CMS systems like Shopify, WordPress (WooCommerce), Magento and others.
• Develop and maintain apps (plugins/extensions/modules) for popular CRM system like HubSpot, Zoho, GHL, Pipedrive, Salesforce and others.
• Manage and maintain software components to ensure they meet business needs and performance targets.

Your background:

• 4+ years of active experience with PHP, with a strong understanding of the latest versions.
• Proficiency in modern web technologies (HTML, CSS, JavaScript).
• Practical experience with development for Shopify/Wordpress/Magento and other popular CMS systems.
• Experience with Laravel framework.
• Experience with Node.js.
• Experience with API-based systems (REST, RPC).
• Experience with Redis/Memcache or similar technologies.
• Experience with Docker configuration.
• Familiarity with Git and version control systems.
• Verbal and written English and Ukrainian (for candidates from UA).

We offer:

• Industry Leader: Make a meaningful contribution to a globally recognized solution that shapes the future of the server-side tracking market.
• Flexibility: Enjoy a flexible work schedule with the freedom to choose where you work.
• Extended remote workspace setup: Experience the benefits of a fully equipped remote workspace, designed to elevate your productivity and create a comfortable work atmosphere.
• Collaborative culture: Engage in a friendly and open team environment that encourages initiative, creativity, and collaboration.
• Educational support: Invest in your self-development through a dedicated training and professional growth budget.
• Well-Being: Take advantage of 30 days of paid time off (20 standard days + 10 more to cover public holidays), Parental Leave, Anniversary days off, and Study Leave to support your recharge and maintain a balance between work and personal life.
• Health support: Feel secure with full coverage for Sick Leave and a dedicated medical insurance budget that prioritizes your health.

Excited to join us? Submit your CV and let’s get started!