Jobs Fullstack

People and stability are our key priorities.
We are a small team, spread across Ukraine, Denmark and Norway.
Friendly atmosphere with no rush and high focus. This is a long-term project.

Our products are designed for industrial and energy sectors, including oil and gas. We are working in IoT, Machine Learning and AI technology domains. One of the upcoming activities will be LLMs integration.

We are looking for candidate with 3+ years of experience,
using following tools and technologies:

- React, Vue
- Typescript
- State management (Redux or similar)

- Node.js (Python will be a great plus)
- API design and development
- SQL and NoSQL databases
- Cloud services (Azure or AWS)

- Event driven architectures and message brokers RabbitMQ or Kafka
- Docker
- CI/CD
 

- Confident English communication (speaking and writing)

Will be a plus:

- Python
- Practical experience building solutions based on LLMs / Gen AI
- Experience with deployments via Kubernetes
- Experience with Azure Open AI and Azure Search

You will be working on following:
- Design, develop and maintain responsible and performant user interfaces 
- Build robust backend services
- Solve technical challenges while finding balance between different tradeoffs
- Participate in the upcoming integration of LLMs and help to introduce AI in real-world use cases
- Collaborate inside cross-functional team of engineers (and great personalities)
- Grow your expertise and have fun

We Offer:
- The competitive reward for the provided services
- Official contract and full taxes compensation
- Remote work
- Flexible working hours
- Minimal bureaucracy
- Paid vacation, sick leaves, national holidays

We are looking for a skillful Senior Full-Stack .NET Engineer. A perfect candidate must be able to adjust to constant business change. Common types of changes include new requirements, evolving goals and strategies, and emerging technologies.
 

About the client:

Founded in 1948, Fluke Corporation is a huge US-based enterprise with over 2,500 employees. It is a world leader in compact, professional electronic test tools, and software for measuring and condition monitoring.

We are collaborating on the solutions for the mobile operation, control, and maintenance of automated systems. The company’s products are designed for environments where downtime is a critical issue such as airports, warehouses, distribution centers, manufacturing operations, power stations, water treatment facilities, or renewable energy farms. The solutions are used by global leaders in manufacturing, airport operations, and logistics, such as Honda North America, Toyota UK, Volkswagen, Boston Logan Airport, Allessa Chemie, Zalando, Baur, Brillux, as well as many airports in Europe.

X5 eMaint - A CMMS software solution that centralizes maintenance information, facilitates processes, and automates some tasks to improve efficiency. Computerized maintenance management system software optimizes the use, availability, and life span of equipment, machinery, fleets, infrastructures, facilities, or operations
 

Requirements:

• At least 5 years of experience in software development projects. 
• Experience in working with big enterprise project
• Experience with implementing enterprise cloud native solutions in AWS (preferred) or MS Azure. 
• Experience in designing and developing asynchronous message-driven micro services with experience in RabbitMQ or similar. 
• Good knowledge in Relational and Non Relational DB design. 
• Good knowledge in functional and/or object-oriented software design and  domain-driven design (desired) using .NET and C#.  
• Experience in designing and developing user interfaces with React.js, TypeScript (desired) and CSS/Sass. 
• Practical knowledge designing RESTful and GraphQL (desired) API. 
• Good knowledge in Continuous integration and delivery best practices. 
• Upper-intermediate level of English (both oral and written)
   

Nice to have:

• Experience collaborating with UX and Product  
• Experience and passion for developing visually polished, engaging and fluid interfaces.
• Excellent problem-solving and collaboration skills.  
• Great written, verbal, technical and  interpersonal communications skills. 
   

Responsibilities:

• Design and implement complex, scalable, and maintainable full-stack solutions that  align with business goals.  
• Provide technical leadership, mentoring, and guidance to a team of developers, fostering a culture of continuous learning  and improvement. 
• Write efficient, testable, and maintainable code. 
• Drive initiatives to improve development  processes, automation, and overall team efficiency. 
• Troubleshoot and resolve technical issues, identifying root causes and implementing effective solutions. 
• Collaborate with stakeholders across the company including engineering, product,  support, and marketing to launch new features.
• Product development within Fluke Reliability is  an internationally distributed and diverse  organization. We embrace a culture of  innovation, continuous improvement, and individual empowerment to provide an  environment where individuals can grow and thrive.

CodeGeeks Solutions is a software company led by top-notch experts with over 10 years of experience in product design & software development. We cover the full cycle of development and help clients bring their ideas to life — from discovery to scalable solutions.

We are looking for a Technical Lead with strong communication and presales skills to join our team.

This is a hybrid role combining technical leadership, client communication, and presales activities. You will be actively involved in client calls (Upwork and beyond), solution design, and team coordination, helping us win new projects and deliver high-quality solutions.

We need someone who is not only technically strong but also confident in English communication, understands client needs, and can effectively present and sell solutions.

Responsibilities:

• Participate in client calls (primarily via Upwork) to gather requirements and present solutions
• Drive presales activities: solution design, estimations, technical proposals
• Act as a bridge between clients and the development team
• Lead and coordinate the team involved in project delivery
• Design scalable and efficient system architectures
• Leverage AI tools and LLMs to accelerate development and improve solutions
• Ensure high-quality delivery and technical excellence
• Support team members with technical guidance and decision-making

Technical Expertise:

• Strong experience with Node.js (NestJS), React, Next.js
• Experience with React Native is a plus
• Solid knowledge of PostgreSQL / MSSQL
• Experience with cloud platforms (AWS, Azure, or GCP)
• CI/CD and DevOps best practices

AI & Modern Development:

• Strong hands-on experience with AI-powered coding tools such as Claude (Anthropic), Cursor, GitHub Copilot, or similar
• Ability to effectively use AI tools for code generation, refactoring, debugging, and rapid prototyping
• Understanding how to structure prompts and workflows to get high-quality, production-ready code
• Experience integrating AI into the development workflow to increase team productivity

Communication & Presales:

• Strong spoken English (Upper-Intermediate+ / Advanced)
• Experience participating in client calls, discovery phases, or presales
• Ability to translate business needs into technical solutions
• Confidence in presenting and “selling” technical ideas

Leadership:

• Experience leading or mentoring a development team
• Strong ownership and decision-making skills

Qualifications:

• 5+ years of professional software development experience
• Proven experience as a Tech Lead or Senior Engineer
• Strong communication and problem-solving skills
• Experience working directly with clients is a big plus

Nice to Have:

• Experience with Upwork or similar freelance platforms
• Experience in startup environments or fast-paced teams
• Familiarity with Docker / Kubernetes

• Experience building or scaling AI-driven products

   

We Offer:

• 15 days of annual time off paid + company-wide New Year’s holiday (5 days)
• 20 days of sick leave paid (5 — 100%, 15 — 50%)
• IT Cluster membership
• Flexible schedule and remote work options
• Opportunity to directly influence company growth and sales
• Education compensation
• Clear career path and growth opportunities
• Internal training and knowledge sharing
• Access to corporate learning materials
• Competitive compensation with regular reviews
• PE accounting support
• Comfortable office in Lviv
• Team buildings & corporate events
• Referral program

If you enjoy combining technology, communication, and business impact, and want to play a key role in both winning and delivering projects — we’d love to hear from you!

About us:

BetterMe —a global wellness ecosystem empowering millions to become better — physically, mentally, and emotionally. We build what makes people better and keep challenging ourselves to inspire others.

About the role:

We are seeking a Backend Engineer skilled in PHP and JavaScript, experienced in frontend development using React and Vue, to join our team.
In this role, you will focus on developing new product features, enhancing existing applications, and ensuring the reliability and scalability of our backend systems. You will work with a modern tech stack and play a key part in our ongoing transition from a monolithic architecture to microservices.

Your impact:
 

• Implement backend features from conception through to deployment, ensuring they meet strategic business objectives.
• Design and develop admin panels and UI components using React, Vue, and JavaScript, dedicating approximately 20% of your time to frontend tasks, and leverage AI-assisted tools to accelerate development where appropriate.
• Write clean, secure, testable, scalable and well-documented product or system code.
• Actively participate in multiple aspects of the SDLC, including planning, development, testing, and deployment.
• Work closely with product, client, and other cross-functional teams to deliver high-quality features and resolve integration issues.
• Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency).
• Contribute to backend architecture decisions, including the transition from monolith to microservices.
• Triage product or system issues and debug/track/resolve by analyzing the sources of issues and the impact on hardware, network, or service operations and quality.
   

About you:
 

• 2+ years of experience in backend development in total.
• Experience with PHP 8.0+ with OOP skills, using frameworks like Symfony or Laravel.
• Motivation to work with both PHP and Frontend (~ 80% PHP / 20 JavaScript % for now).
• Experience in frontend development with JavaScript frameworks/libraries such as React or Vue, and familiarity with jQuery for legacy projects.
• Ability to independently develop admin panels and UI components, and leverage AI-assisted tools to accelerate frontend tasks.
• Experience with relational databases — MySQL and/or PostgreSQL.
• Experience with in-memory storage and caching (e.g., Redis, AWS Elastiсache, etc.).
• Experience with Linux environments, CI/CD pipelines, Docker containers, and background job processing.
• Experience with asynchronous communication via tools like RabbitMQ, Apache Kafka, or Amazon SQS.
• Hands-on experience with microservices architecture (communication, patterns, development process) and developing REST APIs.
• Practical understanding of software design principles and best practices (SOLID, design patterns, 12-Factor App methodology).
• Ability to write and maintain unit tests (e.g., using PHPUnit) and ensure high code coverage for new code.
• Fast learner with a strong desire to continually acquire new knowledge, and excellent problem-solving skills.
   

Would be a plus:
 

• Experience with distributed systems and high-load services.
• Experience with cloud and container orchestration tools: AWS services.
• Kubernetes/Helm, and service mesh technologies like Istio.
• Experience with search engine technologies (e.g., Elasticsearch, OpenSearch, or Apache Solr).
• Familiarity with Clean Architecture software design philosophy or DDD.
• Ability to document requirements and create architectural diagrams (using PlantUML or Mermaid).
• Excellent communication and collaboration skills. Proactive approach to identifying and solving complex problems.
   

What you get at BetterMe:

A mission that inspires. Every line of code, every design, every idea helps millions of people become healthier and more confident.
Trust without micromanagement. You manage your time and make decisions independently. We value outcomes, not online hours.
Growth opportunities. 90% of our leads have grown within the company. There’s space for initiative, new responsibilities, and real career upgrades.
Flexible work format. Choose what works best for you — office, remote, or hybrid.
Wellness in practice. Offline: workouts with professional trainers in our corporate gym, massage, corporate lunches, sports, and team activities — everything you need to recharge and reset together. Online: regular online workouts, partner discounts, and free access to our products.
Health insurance & corporate doctor.
Open communication. Transparency across teams, honest feedback, and support for initiatives are part of our everyday culture.
Support for sports events. We cover entry fees and encourage the team to compete and participate together.
Modern equipment. We provide new hardware and everything you need for productive work.
Legal & finance support. Experienced lawyers and financial specialists are always there to help — from documents to personal consultations.

Find more about us on social media platforms: Instagram, LinkedIn.

📍 Location: EU-based
💼 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!

About the Role

We’re looking for a talented Full-Stack Engineer with solid experience in .NET (6+) and Vue.js (2/3) to join a dynamic team and contribute to the development of scalable web applications. This is a hands-on role where you'll be working across the entire stack, building intuitive interfaces and robust backend services.

You’ll collaborate closely with the client’s internal team to design and implement clean, efficient solutions that meet technical and business requirements.

Your Responsibilities

Develop, optimize, and maintain full-stack web applications using .NET 6+, Vue.js 2/3, MediaTR, and EF Core.

Participate in system design, architecture discussions, and code reviews.

Work with REST APIs and implement features using CQS, event-based patterns, and clean coding practices.

Ensure performance, scalability, and maintainability of the application.

Take part in testing, debugging, and delivering high-quality releases.

Share innovative ideas and stay updated with emerging technologies.

What We’re Looking For

3+ years of hands-on experience with .NET 6+ and Vue.js.

Strong knowledge of Web API, CQS, MediaTR, and event-driven architectures.

Proficiency in HTML, CSS, and TypeScript.

Ability to work independently and as part of a team in an agile environment.

Excellent communication skills and fluent English (both spoken and written).

EU or UK residency (must be legally eligible to work as a contractor).

What We Offer

Flexible working hours.

Fully remote collaboration.

Competitive rate based on experience.

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.

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 Middle FullStack Web Developer.

What we expect from you:
English level: B2 or higher
Experience: 3+ years working with Node.js and React

We offer:

Competitive level of remuneration

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 a highly skilled Full-Stack Azure Application Developer / Architect to support the design, development, deployment, and optimization of a modern cloud-based application. This role requires deep technical expertise across the front-end, API/services layer, background processing, database architecture, security, and Azure platform services.

The ideal candidate will be comfortable working across the full stack, with strong experience in React, Node.js, C#/.NET, Azure Functions, Azure SQL, and secure Azure cloud architecture. This person should be able to independently develop and deploy scalable, secure, and performant solutions while collaborating closely with technical and business stakeholders.

 Required Technical Skills:

🎨 Client Layer (Front-End)

• Strong proficiency in React.js (JavaScript, HTML, CSS)
• Experience building SPAs and component‑based architectures
• Familiarity with Node.js for client-side tooling and runtime
• Ability to integrate secure APIs and handle authentication flows
• Experience deploying Node-based front ends in Azure App Service

🖥️ Server Layer (API / Microservices)

• Advanced experience with C# and .NET
• Building and deploying Docker containers
• Running containerized services on Azure Linux
• Strong understanding of RESTful API design, versioning, and performance tuning

⚙️ Batch / Background Processing

• Hands-on experience with Azure Functions
• Ability to write Functions in C# and Node.js
• Understanding of triggers, bindings, durable functions, and event-driven patterns
• Familiarity with scaling behavior and monitoring in Azure Functions

🗄️ Backend / Data Layer

• Strong SQL skills
• Experience with Azure SQL Server
• Database schema design, stored procedures, indexing, and performance optimization
• Understanding of secure connection patterns (managed identities, Key Vault, etc.)

🔐 Security

Client Authentication

• Experience integrating External ID / Microsoft Entra ID
• Understanding of OAuth2 and OpenID Connect flows
• Secure token handling and session management

Application Security

• Familiarity with Azure Application Gateway
• Understanding of WAF rules, routing, and SSL/TLS certificate management
• Experience with secure cloud networking patterns

☁️ Azure Platform Expertise

A strong contractor should be comfortable navigating and configuring:

• Azure App Service
• Azure Container Registry
• Azure Functions
• Azure SQL
• Azure Storage (Blob, Queue, Table)
• Azure Monitor / Application Insights
• Azure Key Vault
• Azure Networking (VNets, subnets, firewalls, private endpoints)

Readiness to work from 15:00 till 23:00 in order to have an optimal overlap of work hours with USA based teams.

We offer:

• Comfortable working place;
• Medical insurance after the trial period ending;
• Team-building activities;
• 24 paid vacation days per year;
• 5 paid sick leave days per year.

Code&Care — is a successful full-stack development company, which provides clients with high-quality development assistance worldwide.

Now our team has a position for AI-driven FullStack Developer (Node.js + React/Next.js).

Requirements:

• 4+ years of commercial experience in software development
• AI-driven development approach (Cursor, Claude, Claude Code/Skills, Gemini, OpenAI)
• Experience with AI-powered development (chat, agents, automation, embeddings, RAG, etc.)
• Strong knowledge of JavaScript / TypeScript
• Experience with Node.js, Nest.js, Express.js
• Experience with PostgreSQL, MySQL, MongoDB
• Knowledge of ORMs: TypeORM, Sequelize, Mongoose
• Experience with React.js, Next.js, Redux
• Experience with TailwindCSS
• Experience with AWS or Azure
• Understanding of CI/CD, Docker, DevOps practices

What the company offers:
• Constant and interesting work with foreign clients
• Flexible working hours
• 50% cost compensation of sports, English lessons
• Annual paid 30 days vacation and paid sick days
• Medical insurance policy

Responsibilities:
• Develop and maintain full-stack applications using Node.js and React/Next.js
• Build AI-powered features (chat, agents, automation, RAG, embeddings)
• Integrate OpenAI / LLM-based solutions into products
• Design and develop scalable backend services and APIs
• Collaborate with cross-functional teams to deliver high-quality solutions
• Participate in architecture discussions and technical decision-making
• Ensure code quality, testing, and performance optimization

Nice to Have:
• Python experience
• Experience with OpenAI API / LLM integrations
• Experience building AI-driven features (agents, chat systems, automation)
• Experience with cloud platforms (AWS/GCP/Azure)
• Experience with CI/CD, Docker, DevOps processes

We are looking for a Senior Full-Stack Engineer to join a fast-growing product team working on a modern platform at the intersection of cybersecurity and AI.

This is a backend-focused full-stack role with strong ownership of features—from architectural decisions to production delivery. You will work in a startup environment where speed, autonomy, and engineering quality are equally important.
The product is already backed by significant investment and is entering an active growth stage.

This role is especially interesting because you will:
- work on a product at the intersection of AI and cybersecurity
- have high ownership and direct impact on product development
- contribute to complex, production-grade systems
- work with a modern tech stack in an engineering-driven environment
- influence architecture and technical decisions

     Benefits:

• Work on a cutting-edge product in the cybersecurity and AI domain
• High-impact role with real ownership over features and architecture
• Access to Udemy learning platform
• Flexible working schedule
• Remote-first collaboration

• Possibility of reservation (for Ukrainian specialists)

   

  Requirements:

• 6+ years of experience in software engineering
• Strong experience with Node.js and TypeScript
• Solid experience with React
• Experience building scalable backend systems and APIs
• Strong understanding of software architecture and system design
• Experience working with SQL databases (PostgreSQL preferred)
• Experience with complex CRUD workflows and data modeling
• Experience with complex CRUD workflows and data modeling
• Strong ownership and ability to drive features independently
• Nice to have:
• Experience with Python
• Experience with Fastify or NestJS
• Familiarity with Drizzle ORM
• Experience with Playwright and/or Jest
• Experience with cloud platforms (AWS / GCP)
• Experience with CI/CD pipelines (GitHub Actions, etc.)
• Docker / Kubernetes experience
• Background or interest in cybersecurity

Responsibilities:

• Own features end-to-end (backend-leaning full-stack)
• Develop and maintain APIs and backend services using Node.js
• Work with React on UI-related parts when needed
• Work with React on UI-related parts when needed
• Implement and optimize CRUD flows and database interactions
• Work with PostgreSQL, including schema design and migrations
• Contribute to AI-related integrations and features
• Ensure production readiness: debugging, monitoring, performance optimization
• Collaborate closely with engineers, team leads, and product managers
• Participate in code reviews and mentor other developers
   

About client:

An AI security and governance platform that protects enterprise data when staff interact with large language models and copilots. It offers need‑to‑know access control, an AI firewall with data loss prevention, and continuous monitoring to reduce the risk of sensitive information exposure through AI tools. The product also supports pre‑deployment “readiness” assessments and simulation to help organizations safely roll out AI assistants at scale.
 

About project:

An AI security platform that prevents data leakage in enterprise LLM and copilot usage. We build backend systems enforcing need-to-know access controls, AI firewalls, and real-time monitoring for production-scale deployments.

WHO WE ARE?

We are Edge Solutions Lab, a team of engineers with a strong background in product development of edge solutions and data platforms.

We have a long-term partnership with a customer in the US who is looking to expand their onsite team with talented engineers like you. This is an exciting opportunity to collaborate with industry leaders, work on impactful projects, and contribute to the development of next-generation data analysis technologies for healthcare, biotechnology, and research domains.
 

WHO WE ARE LOOKING FOR?

We are seeking a highly skilled Full Stack Developer to join our team, working on an innovative bioinformatics platform focused on simplifying the analysis and interpretation of RNA-sequencing data through intuitive web applications and cloud-backed services. In this role, as part of a team, you will be building, modifying, and improving user-facing web applications, implementing REST APIs and back-end business logic, and building and maintaining DAG pipelines in Airflow using Python to support data processing and analysis workflows that help researchers and scientists explore data, visualize results, and derive actionable insights.
 

IN THIS ROLE YOU WILL:

• Design customer-facing Web UI, RESTful services, and APIs for a modern bioinformatics analysis platform.
• Design and maintain DAG pipelines in Airflow using Python to support data processing and analysis workflows.
• Design user interactions on web pages.
• Develop high-performance applications by writing testable, reusable, and efficient code.
• Develop effective SQL and NoSQL data layers by utilizing various databases.
• Develop integrations with third-party services using external APIs.
• Implement effective security protocols, data protection measures, and storage solutions.
• Collaborate with team members and stakeholders on the integration of various parts of the platform.
• Ensure that non-functional requirements such as security, performance, maintainability, scalability, usability, and reliability are considered when architecting solutions.
• Document processes, including database schemas, as well as prepare reports.

WHAT YOU BRING ALONG:

• At least 4 or more years of working experience in a Full Stack position.
• Strong proficiency in TypeScript, JavaScript ES6+, HTML5, and CSS3.
• Extensive knowledge of ReactJS and Next.js, along with their ecosystem and common frontend development patterns.
• Solid hands-on experience with Node.js and building applications in TypeScript.
• Experience with Airflow and DAG pipeline development using Python.
• Experience with RESTful architecture.
• Experience with OAuth2-based authentication and authorization flows.
• Proficiency in database design and hands-on experience with SQL, including PostgreSQL.
• Experience with event-driven architecture and messaging middleware (MQTT).
• Familiarity with common software development and management tools such as GitLab CI, Jira, and Confluence.
• Good understanding of common programming paradigms and architectural design patterns.
• Strong interpersonal, analytical, and organizational skills.
• Bachelor’s degree in Computer Science, Software Engineering, Information Science, or other related fields.

WILL BE A PLUS:

• Hands-on experience with containerization tools (Docker) and orchestration platforms (Kubernetes).
• Hands-on experience with development of cloud-native applications and utilizing AWS services (S3, ECS/EKS, RDS).
• Hands-on experience with Auth0.
• Experience working with billing providers, preferably Chargebee.
• Familiarity with R and experience working with data-processing or analysis pipelines written in R.
• Development of IoT applications.
• Experience with testing frameworks.

We are building a fully managed SaaS platform in the AI infrastructure space. The platform provisions and manages dedicated AI agent instances for end customers across multiple cloud providers — removing all DevOps complexity behind a clean web dashboard and mobile app. The project has an existing working prototype and we are looking for an engineer who can move fast, ship quality features, and hit the ground running.

What we're looking for
 

• Strong hands-on experience with React 18, Vite, TanStack Query, and Zustand
• Backend development with Node.js 22+ — REST APIs, WebSocket, async flows
• PostgreSQL with a type-safe ORM (Drizzle or similar)
• Firebase Auth — custom token flows, ID token verification, session management
• Familiarity with cloud provider APIs such as Hetzner, DigitalOcean, or Vultr
• Experience with SSH automation and cloud-init provisioning scripts is a strong plus
• React Native / Expo experience is a plus but not required
• Ability to read a detailed technical specification and execute against it independently

Key requirement
You must be comfortable working with AI coding tools — especially Claude Code — as a core part of your development workflow. We expect engineers to move fast by pairing with AI effectively: writing clear prompts, reviewing output critically, and iterating quickly. Experience with Claude, Cursor, or GitHub Copilot is required.

Tech stack
React 18, Vite, Zustand TanStack Query, shadcn/ui, Tailwind CSS, Framer Motion, Hono.js, Node.js 22+, Drizzle ORM, Neon PostgreSQL, Firebase Admin, Hetzner Cloud, DigitalOcean, Vultr, Cloudflare DNS, cloud-init, Polar, Resend, React Native, Expo

Nice to have
 

• Experience with real-time WebSocket protocols and streaming data
• Familiarity with AI agent platforms or LLM orchestration layers
• Background in managed hosting products or DevOps automation
• App Store / Play Store submission experience via Expo

We are looking for a Full-Stack Developer who is comfortable working across both backend and frontend.This is a great opportunity for a reliable, proactive specialist who can handle diverse technical challenges and support the team with structured thinking and clear communication.
 

Requirements

- Strong experience with Java and/or Python

- Solid knowledge of frontend development with React

- Experience building and maintaining full-stack applications

- Understanding of software architecture principles and best practices

- Ability to work independently and take responsibility for technical decisions

- Good communication skills (spoken and written English at least Upper-Intermediate)

- Problem-solving mindset and attention to detail

Responsibilities

- Design and develop backend and frontend components

- Participate in architectural discussions and technical planning

- Ensure code quality, scalability, and maintainability

- Collaborate with stakeholders and provide technical guidance when needed

- Review code and support other team members

Nice to Have
- Experience with cloud platforms

- DevOps knowledge

- Experience leading small teams or mentoring developers

- Experience with microservices architecture

We're looking for an experienced Team Lead Developer with strong technical expertise in Node.js and a solid background in leadership, to join our growing fintech development team in Lisbon, Portugal. You will lead a cross-functional team working on a payment integration platform, contributing directly to architecture, delivery, and team growth.

✅ Responsibilities:
✔️ Being transparent with the team about challenges, failures, and successes.
✔️ Hiring and training technical personnel.
✔️ Determining project requirements and developing work schedules for the team.
✔️ Delegating tasks and achieving daily, weekly, and monthly goals.
✔️ Liaising with team members and management to ensure projects are completed to standard.
✔️ Motivating staff and creating a space where they can ask questions and voice their concerns.
✔️ Delegating work and assignments to team members.
✔️ Collaborating with their team to identify and fix technical problems.
✔️ Lead the development of our in-house fintech platform with a focus on performance, scalability, and security.
✔️ Build and manage complex payment API integrations with banks, PSPs, and third-party services.
✔️ Contribute to full-stack development, ensuring consistency and stability across the product.
✔️ Actively participate in developing new features from concept to production.
✔️ Collaborate with product managers, designers, and stakeholders in agile workflows to ensure technical feasibility and business alignment.
✔️ Support the evolution of the architecture towards modern patterns (microservices, messaging systems, and scalable infrastructure).

✅ Requirements:
✔️ At least 8+ years of professional experience in the IT field.
✔️ 3+ years of experience in leadership positions.
✔️ 5+ years of commercial experience with Node.js 
✔️ 5+ years of commercial experience in web development.
✔️ Knowledge of JavaScript and the ECMAScript 6 standards.
✔️ Commercial experience in implementing REST and WebSockets.
✔️ Experience with Git version control system.
✔️ Experience with commercial databases, MySQL.
✔️ Experience with RabbitMQ.
✔️ Experience with Redis.
✔️ B2 level of English.
✔️ Excellent technical, diagnostic, and troubleshooting skills.
✔️ Strong leadership and organizational abilities.

✅ We offer excellent benefits, including but not limited to:
🧑🏻‍💻 Learning and development opportunities and interesting, challenging tasks. 
✈️ Relocation package (tickets, staying in a hotel for 2 weeks). 
🏋️‍♂️ Company fitness corner in the office for employees. 
📚 Opportunity to develop language skills and partial compensation for the cost of language classes. 
🎁 Birthday celebration present. 
🏝 Time for proper rest and 24 working days of Annual Vacation. 
🍲 Breakfasts and lunches in the office (partially paid by the company).

Bold moves start here. Make yours. Apply today!