Jobs Fullstack

Senior Full-Stack Engineer (AI Products)

DTEAM is looking for a Senior Full-Stack Engineer who doesn’t just code, but leads projects and drives execution.

🔹 What You’ll Do

• Lead projects end-to-end (architecture → delivery).
• Design scalable, AI-powered solutions.
• Connect product vision with technical execution.
• Communicate trade-offs, timelines, and risks to clients.
• Mentor engineers and maintain high code quality.
• Work with microservices and REST APIs.
• Handle authentication (OAuth, SAML, SSO).

🔹 Requirements

• 5+ years of Full-Stack experience.
• Strong React.js, Node.js, JavaScript, TypeScript.
• SQL (MySQL/PostgreSQL) + Redis or other NoSQL.
• Cloud platforms (AWS / Azure / GCP).
• Solid knowledge of design patterns & best practices.
• Strong communication skills (English B2+).
• Availability for overlap with Eastern USA time zone.

🚫 Not a fit if you’re looking for a pure coding role without ownership.

• Full-time
• Remote
• B2B/ UKR FOP
• Long term project

If you’re ready to lead and build impactful AI products — let’s talk.

Are you looking for a rare opportunity to join a startup at a very early stage? This is it. You will be the first!

We are growing 2x month over month for the last 3 months.

We already have customers like: SoundHound, Glovo, and Ideals. And yes, we launched just 4 months ago.

You’ll have plenty to do. It will be hard and will require real dedication - but it will also give you: 
1/ Disproportionate outcomes in $ in the future
2/ Tremendous personal growth tomorrow
3/ Freedom and full responsibility now (I’m pretty sure these are the things you’re currently missing)

— What You’ll Do —

- Autonomously architect, prototype, & build the product from the ground up
- Develop integrations with AI (e.g. Perplexity, OpenAI) & 3rd party API (e.g. CRMs)
- Leverage your prompt engineering skills to maximize the outcome
- Horizontally work with founders in discussions on business & product topics

— What You'll Need —
- 1+ years of experience in a startup previously - the must 

- Authentic obsession with giving customers the best
- The best verbal communication skills (yes, better than the founder)
- RAG & AI agents development and prompt engineering
- API development and integration
- Database design and optimization (SQL)
- Development in cloud infrastructure (AWS/GCP/Azure)
- Patterns for asynchronous task processing (RabbitMQ, SQS, or similar)
- Experience with n8n/make will be a great plus

— What We Give For You —

- Founding member equity %% (equal to $50,000+ which will be $500,000 next year)
- Learning how a startup grows
- Direct impact on product and company strategy
- Deliver value directly to paying B2B clients
- Opportunity to build and lead a team and department
- The most modern toolset (yes, we use Cursor in Agent mode)
- Adding more perks (including a healthcare package) with the next round/revenue ramp-up
 

— About Execue in Action — 
You can see how one of the agents (outreach; we also have recruitment agent) works on this video: https://www.loom.com/share/abc9ed9e86d84e3cb15c4142550ccb01
 

Requirements:

• Proficiency with React and TypeScript for frontend development
• Strong backend development experience with Python and PostgreSQL, including schema design and migrations (SQLAlchemy + Alembic)
• Hands-on experience working with Apache Airflow, including DAG's and backend integrations
• Build and maintain infrastructure using Terraform, Kubernetes and Helm
• Experience deploying and operating services on Kubernetes, including maintaining Helm charts
• Ability to work highly autonomously, proactively clarify requirements and driving work forward with minimal supervision
• Strong communication skills and experience working in distributed teams

Nice-to-Have:

• Familiarity with FastAPI
• Experience with Bazel build system (training can be provided)
• Experience with CI/CD pipelines
• Prior experience in environments with limited product management and high ownership

Key Responsibilities:

• Design, build and deliver full-stack features using Python, PostgreSQL, React and TypeScript
• Take ownership of features from initial, sometimes ambiguous ideas to production, including:
• clarifying requirements and assumptions
• technical design
• implementation
• testing, deployment and monitoring
• Design and maintain integration-heavy backend services, collaborating with other teams and consuming internal API's
• Work closely with Apache Airflow pipelines (seamless integration with backend services)
• Design and implement scalable backend systems using PostgreSQL
• Proactively identify risks, dependencies and gaps in requirements, and drive solutions independently
• Build and maintain infrastructure using Terraform, Kubernetes, and Helm
• Collaborate with team members in regular syncs to discuss progress, blockers and demos
• Participate in code reviews, design discussions and cross-team technical coordination

About the Project:

We’re hiring a Full-Stack Software Engineer (Python + React) to join a fast-paced, highly autonomous team. This role is ideal for an engineer who is comfortable working across the stack, passionate about writing clean and scalable code, and capable of driving features end-to-end - from design to infrastructure provisioning to production monitoring.

Engineers are trusted to make decisions, ask the right questions and deliver production-ready solutions. The work spans backend services, Airflow-driven workflows, infrastructure and frontend with a strong emphasis on building reliable, well-integrated systems that scale.

You will work closely with cross-functional teams to build new features from scratch.

Pixel mindIT is an innovative IT company specializing in software development, web applications, and mobile apps. We bring together a team of professionals who work with the latest technologies. You’ll find a creative approach to solving complex challenges, efficient project management, and a continuous improvement process with us.

Requirements:

- Strong proficiency in JavaScript/TypeScript.
- Experience with React, Next.js.
- Familiarity with Redux/React Redux.
- Experience working with REST API and HTTP methods.
- Proficient in using Git.
- Еxperience with Node.js, specifically using Express.js and Nest.js frameworks.
- Hands-on experience working with GraphQL APIs.
- Proficiency in working with various databases such as MongoDB, Redis, MySQL, and PostgreSQL.
- Prisma.js, TypeORM, and Sequelize.
- Proficient spoken English (B1-B2 level).

What We Offer:
- Flexible working hours.
- A friendly and welcoming work environment in a comfortable office.
- Official employment with a competitive salary based on your experience and skills.
- An exciting opportunity to contribute to innovative projects.

We are looking for a Senior Fullstack Node.js Developer. This role is perfect for an experienced and proactive person with outstanding programming skills. The ideal candidate is a team player who has a passion for designing and developing innovative and scalable solutions, from front-end user interfaces to back-end system logic. This is an amazing opportunity to join a growing product in an enterprise company with ample opportunities for professional growth.

About Us

Check Point is a key player in the network security field, striving to provide the leading SASE platform in the market. Our innovative approach, merging cloud and on-device protection, redefines how businesses connect in the era of cloud and remote work. Our team values collaboration, flawless execution, and an agile mindset. We offer continuous learning opportunities, including access to training programs, conferences, and workshops to help you grow professionally.

RESPONSIBILITIES

• End-to-end development of new software features (research, design, development, testing, deployment, monitoring).
• Contribute to technological and architectural decisions.
• Mentor other engineers in the team (via code reviews, dedicated sessions, pair programming, etc.).
• Analyze and improve efficiency, scalability, and stability of various components in our system.
• Optimize front-end and back-end performance and implement best practices for scalable and maintainable code.
• Participate in code reviews and provide constructive feedback to team members.
• Collaborate with Designers, Product Managers, and Software Engineers to deliver the best product to our customers.

SKILLS

• Bachelor's degree in computer science/engineering or equivalent, with a minimum of 6 years of hands-on experience.
• Extensive experience with Node.js/React.js/TypeScript.
• Proven track record of designing and building native-cloud web applications from scratch on AWS.
• Strong understanding of microservice architecture, including serverless (lambda).
• Experience working in Agile scrum teams.
• Solid grasp of design patterns, software development techniques, and clean code practices.
• Fluent in English (written & spoken) with excellent communication skills.
• A team player with a proactive and can-do approach.
• Experience with Test-Driven Development (TDD) and Behavior-Driven Development (BDD) is a plus.

WE OFFER

• Work in a creative friendly environment using cutting-edge technologies.
• Work-life balance and flexible schedule.
• Competitive compensation with focus on your expectations; annual salary review.
• 24-day paid vacation and 100% paid sick leave.
• Financial support and legal support for individual entrepreneurs from our side.
• Professional, language and soft skills trainings.
• Health insurance coverage: individual and family, Fitness plan.

We are looking for a Senior Fullstack Node.js Developer. This role is perfect for an experienced and proactive person with outstanding programming skills. The ideal candidate is a team player who has a passion for designing and developing innovative and scalable solutions, from front-end user interfaces to back-end system logic. This is an amazing opportunity to join a growing product in an enterprise company with ample opportunities for professional growth.

About Us

Check Point is a key player in the network security field, striving to provide the leading SASE platform in the market. Our innovative approach, merging cloud and on-device protection, redefines how businesses connect in the era of cloud and remote work. Our team values collaboration, flawless execution, and an agile mindset. We offer continuous learning opportunities, including access to training programs, conferences, and workshops to help you grow professionally.

RESPONSIBILITIES

• End-to-end development of new software features (research, design, development, testing, deployment, monitoring).
• Contribute to technological and architectural decisions.
• Mentor other engineers in the team (via code reviews, dedicated sessions, pair programming, etc.).
• Analyze and improve efficiency, scalability, and stability of various components in our system.
• Optimize front-end and back-end performance and implement best practices for scalable and maintainable code.
• Participate in code reviews and provide constructive feedback to team members.
• Collaborate with Designers, Product Managers, and Software Engineers to deliver the best product to our customers.

SKILLS

• Bachelor's degree in computer science/engineering or equivalent, with a minimum of 6 years of hands-on experience.
• Extensive experience with Node.js/React.js/TypeScript.
• Proven track record of designing and building native-cloud web applications from scratch on AWS.
• Strong understanding of microservice architecture, including serverless (lambda).
• Experience working in Agile scrum teams.
• Solid grasp of design patterns, software development techniques, and clean code practices.
• Fluent in English (written & spoken) with excellent communication skills.
• A team player with a proactive and can-do approach.
• Experience with Test-Driven Development (TDD) and Behavior-Driven Development (BDD) is a plus.

WE OFFER

• Work in a creative friendly environment using cutting-edge technologies.
• Work-life balance and flexible schedule.
• Competitive compensation with focus on your expectations; annual salary review.
• 24-day paid vacation and 100% paid sick leave.
• Financial support and legal support for individual entrepreneurs from our side.
• Professional, language and soft skills trainings.
• Health insurance coverage: individual and family, Fitness plan.

We are looking for a Strong Middle or Senior Symfony Full-Stack Developer to join a long-term project for our partner based in Miami.

About the Project

We fully manage and develop a custom CRM system designed to:

• Capture and process leads for the sales team
• Classify qualified leads as merchants
• Manage merchant onboarding (document preparation, bank account setup)
• Track and manage equipment statuses (leased or sold)
• Handle role-based access control
• Implement a sales bonus system
• Distribute payments between team members
• Integrate with banking systems (bi-directional integration)

This is a complex, real business system with ongoing development and scaling.

🧩 Tech Stack

Backend:

• Symfony
• Docker
• MySQL
• PostgreSQL

Frontend:

• Twig
• jQuery
• JavaScript
• Webpack

Infrastructure:

• Amazon Web Services (AWS)

Tools:

• GitHub
• Jira
• Confluence

👥 Team

• 2 Symfony Full-Stack Developers
• 1 QA Engineer
• 1 Project Manager

🎯 Who We’re Looking For

We are looking for a developer who:

• Has strong hands-on experience with Symfony (full development cycle)
• Is comfortable working across backend and frontend
• Has experience with legacy codebases
• Has solid Docker experience (deployment & troubleshooting)
• Has experience working with AWS (EC2, SSH access, basic environment configuration)
• Can read and interpret technical documentation in English
• Is motivated and proactive
• Is flexible and reacts quickly to requirement changes
• Communicates consistently throughout the working day (task updates, blockers, progress reports)
• Is ready to attend daily meetings and ad-hoc calls when needed
• Is fully dedicated to the project (no parallel commitments)

💼 Work Format

• Long-term collaboration
• Full involvement in the project
• We are open to:
  • A motivated Strong Middle developer
  • A highly skilled Senior developer

🗓 Work-Life Balance

We offer a 4-day work week option for Senior-level developers as part of our motivation model.

Please start your message with “💛Symfony”

About the project

We are building and scaling a web platform focused on organic traffic and long-term growth.

Currently, we have a small SPA that needs to be transformed into a full-featured SSR solution using Nuxt.js to improve SEO performance and search engine indexing.

The main focus is technical SEO, SSR architecture, and performance optimization.

This is a long-term project with real business goals and stable workload.

Responsibilities

• Migrate SPA to SSR (Nuxt.js)
• Develop frontend using Nuxt / Vue 3
• Develop backend using Nest.js
• Work with MySQL and Prisma
• Implement SEO team requirements
• Optimize performance and indexing
• Maintain and scale the product

Requirements

• 3+ years of commercial experience
• 1+ year with Nuxt.js
• Strong JavaScript / TypeScript skills
• Experience with:
  • Nuxt.js
  • Vue 3 (Composition API)
  • Pinia
  • Nest.js
  • MySQL
  • Prisma
• Experience with SSR
• Understanding of Technical SEO
• Experience with database migrations

We’re looking for a Full Stack Developer to join our team and work on an exciting, impactful project where your code will be used by real customers every day. If you enjoy solving challenging tasks, working with a modern tech stack, and seeing your solutions make a difference - you’ll feel right at home.

This role is focused on building and maintaining backend services with FastAPI, designing reliable architectures, managing databases, integrating with frontend components, and delivering new features. The mission is to ensure product stability, performance, and scalability while closely collaborating with the team and end users. A key focus of this position will be on developing and scaling the B2B segment of the website, ensuring it meets the needs of business clients.

Requirements:

• Minimum 1-2 years of commercial experience in software development
• Strong proficiency in Python and FastAPI or GO
• Experience with SQLAlchemy
• Minimum B1 English level
• Solid understanding of how modern web applications work
• Basic knowledge of HTML, CSS, and JavaScript
• Experience with Next.js is a plus
• Familiarity with version control systems (e.g., Git)
• Understanding of CI/CD processes
• Familiarity with deployment processes and cloud services
• Strong problem-solving skills and attention to detail
• Ability to work effectively both independently and as part of a team
• Strong communication skills

What we offer:

• Competitive salary & benefits.
• Modern office in Kyiv — bright workspace, great coffee, and a collaborative vibe.
• Opportunity to work on a high-impact, exciting project.
• Friendly, innovative, and supportive team environment.
• Professional growth and development opportunities.

• Flexible working hours & remote work option.

   

Recruitment Process. We invite you to embark on a three-step journey towards potentially joining our team:

• First Stage: HR interview (approx. 20 minutes) to get to know each other better.
• Second Stage: Completion of a technical test assignment.

• Third Stage: Technical offline interview session with our co-founder (approx. 1 hour).

   

📩 Send us your CV — let’s build something great together!
 

About the project

We are building and scaling a web platform focused on organic traffic and long-term growth.

Currently, we have a small SPA that needs to be transformed into a full-featured SSR solution using Nuxt.js to improve SEO performance and search engine indexing.

The main focus is technical SEO, SSR architecture, and performance optimization.

This is a long-term project with real business goals and stable workload.

Responsibilities

• Migrate SPA to SSR (Nuxt.js)
• Develop frontend using Nuxt / Vue 3
• Develop backend using Nest.js
• Work with MySQL and Prisma
• Implement SEO team requirements
• Optimize performance and indexing
• Maintain and scale the product

Requirements

• 3+ years of commercial experience
• 1+ year with Nuxt.js
• Strong JavaScript / TypeScript skills
• Experience with:
  • Nuxt.js
  • Vue 3 (Composition API)
  • Pinia
  • Nest.js
  • MySQL
  • Prisma
• Experience with SSR
• Understanding of Technical SEO
• Experience with database migrations

We are looking for a Full-Stack Developer to join a growing AI-driven product team.

This is a hands-on role for an engineer who enjoys working with an existing codebase, improving features, fixing issues, and gradually shaping product functionality. You will work directly with a small, experienced team where your impact will be visible from day one.

What you’ll do

• Develop backend services using Python
• Build and improve UI components with React
• Work with APIs (FastAPI preferred)
• Fix bugs and improve product stability
• Implement new features together with the team
• Contribute to overall product quality and performance

What we’re looking for

• 3+ years commercial experience
• Strong Python backend skills
• Solid React experience
• Experience with REST APIs
• Ability to work with existing codebases
• English for communication

Nice to have

• FastAPI experience
• AI / data product exposure
• Docker

• Testing experience

   

Why join

• Real product impact (not ticket factory work)
• Stable long-term collaboration
• Small decision-making team
• Clean communication
• Competitive compensation

Founding Engineer (Full-Stack / Real-Time AI Systems)

📍 San Francisco (preferred) | Remote (exceptional only)
 

🚀 TwinTone.ai

TwinTone is building AI Creators that live stream, sell products, and drive revenue 24/7.
 

We turn real creators into monetizable AI Twins powering:

• AI Live Shopping for brands
• Automated UGC distribution at scale
• AI-powered casino & iGaming live streams
 

We operate at the intersection of AI, real-time video, and commerce infrastructure.
 

• 2,000+ creators in our network
• 1.2B+ monthly distribution reach
• Growing SaaS + live-stream revenue
• US-based company, backed by angels + a16z Speedrun

We are now rebuilding our architecture properly to support real-time AI streaming at scale.

This is not a maintenance role - this is rebuild + scale + ownership.

What You’ll Do

• Own architecture across frontend + backend
• Rebuild and harden our system for real-time AI live streams
• Scale concurrent AI video sessions (low latency)
• Design event-driven systems for AI responses + video pipelines
• Improve reliability (AWS + Supabase + React + Java backend)
• Optimize LLM + video inference cost

Build features across:

• AI live casino streams (iGaming use cases)
• AI live shopping streams
• Creator onboarding + IP licensing
• Brand & partner dashboards
• Distribution + analytics engine
• Work directly with founder on roadmap and technical direction

• Hire and lead future engineering team

   

You will own the technical foundation of the company.

Tech Stack

Frontend: React + TypeScript, NextJS
Backend: Java
Database: Postgres (Supabase)
Infra: AWS EC2 + Global Accelerator

Bonus If You’ve Worked With

• Real-time streaming systems (WebRTC / RTMP / HLS)
• Event-driven architecture
• AI video / voice APIs
• High-concurrency systems
• Payments / marketplace architecture
• iGaming / betting infrastructure
• Large-scale content distribution systems

Who You Are

• Backend-leaning full-stack engineer
• Strong systems thinker
• Builder > talker
• Comfortable in early-stage chaos
• Opinionated about clean architecture
• Care deeply about latency, performance, and scalability
• Want to build a category-defining company

This is not a 9–5 role - This is a founder-level role.

What You Get

• Meaningful founding equity
• Direct ownership of architecture
• Real customers + revenue
• Live AI product in market
• Opportunity to build infrastructure powering AI-driven commerce + gaming

We are raising capital and expanding into iGaming + social commerce partnerships.

Start ASAP.

Specifically, we are looking for someone with extensive experience in 3D web development, ideally possessing most of the following skills:

WebGL (strong, hands-on experience)

Experience with LuciadRIA (alternatively CesiumJS or comparable 3D frameworks)

Performance optimization for large-scale 3D scenes

3D visualization experience

IFC / BIM experience (nice to have)

TypeScript

Node.js

It would also be a strong advantage if the candidate is a proficient full-stack developer, enabling them to support the team beyond 3D-related topics, including backend and database-related tasks. Depending on seniority and qualifications, I would also consider the candidate for a technical lead role.

Job Summary:
We are seeking a skilled Full Stack Developer with strong expertise in Web (React) and Backend (Node.js), who can also leverage AI-powered development assistants (such as Cursor) to accelerate and optimize development, to join our US-based team.

Key Responsibilities:

• Build and maintain responsive web applications using React and Next.js.
• Develop server-rendered features, API routes, and optimized page rendering with Next.js.
• Design and implement robust RESTful APIs and backend services with Node.js (Express.js, Nest.js).
• Integrate front-end and back-end components to ensure seamless client-server communication.
• Manage data storage solutions: SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis).
• Containerize applications with Docker and participate in CI/CD workflows.
• Write modular and integration tests using Mocha, Jest, or similar frameworks.
• Follow security best practices to protect applications and user data.
• Collaborate with cross-functional teams to deliver high-quality software on schedule.

Must-Have Skills:

• AI-Accelerated Development: Proven ability to leverage AI-powered coding assistants such as Cursor (or similar tools) to speed up development tasks, code reviews, and debugging.
• Backend Expertise: Minimum of 5 years of professional experience with Node.js and modern JavaScript/TypeScript.
• Front-End Mastery: Strong command of React and Next.js for modern web development.
• API Design: Solid experience creating and consuming RESTful services.
• Async Programming: Deep understanding of asynchronous patterns (async/await, Promises).
• Testing & Debugging: Hands-on experience writing and maintaining unit and integration tests.
• Containerization & CI/CD: Experience with Docker and CI/CD platforms (e.g., GitHub Actions, Jenkins).
• Version Control: Proficient with Git and pull-request workflows.
• Communication: Fluent English (Upper-Intermediate or higher) for technical coordination and documentation.

Preferred Qualifications:

• Familiarity with GraphQL.
• Experience in Agile/Scrum environments.
• Skills in UI/UX design and responsive styling (HTML5, CSS3, Tailwind).
• Team leadership or mentorship experience.

Why Join Us:

• Shape the future of AI in retail with a company recognized by Techstars, Google for Startups, and Stanford
• Work on large, impactful datasets with real-world applications
• Be part of a passionate, mission-driven team building world-class AI systems

We are looking for a Full-Stack Developer to join our team! 

 
You’ll be part of a dynamic, international team working on large-scale enterprise platforms for a leading U.S.-based client in the consulting and financial services sector. Our mission is to build impactful, high-tech solutions that streamline business operations, enhance efficiency, and drive digital transformation. 

We focus on solving real business challenges—developing robust platforms that support critical decision-making and operational excellence. Our projects span across continents, offering the opportunity to collaborate with top-tier professionals from around the world. Welcome to join a Global Team Driving Real-World Innovation. 

Requirements 

Frontend 

• Experience with Angular, including components, modules, services, and RxJS 
• Experience with Angular Signals 
• Familiarity with Karma and Jasmine for unit testing 
• Strong understanding of REST API integration 
• Knowledge of design patterns (optional) 

Backend 

• Expertise in .NET 6, .NET Core, ASP.NET Core 
• Solid understanding of design patterns (GoF, SOLID, etc.) 

General / Cross-cutting 

• Strong foundation in object-oriented programming and design principles (OOP, OOD, SOLID) 
• Practical experience with async programming and multithreading 
• Understanding of web application lifecycle, security best practices, and error handling 
• Intermediate English level or higher 

Nice-to-haves 

• Experience with Azure (App Services, Functions, Storage, Service Bus, etc.) 
• Proficiency in writing T-SQL queries for MS SQL Server 
• Experience with CI/CD practices or cloud-native development is a plus
• Experience with Entity Framework Core
• Experience with Redis 
• Experience with Dapper 
• Experience with Angular Material and Bootstrap 

Core Responsibilities 

• Analyzing and improving existing features 
• Developing key product functionality on both frontend and backend 
• Participating in planning, implementation, refactoring, and optimization 
• Ensuring code quality and contributing to overall technical improvements 

Expected Qualifications 

• Build and deliver complex features with confidence 
  You take ownership of major parts of a project, building advanced features that meet both technical and business needs. 
• Make smart technical decisions and contribute to design discussions 
  You can design and implement solutions independently, and you help shape system architecture to support scalability and long-term goals. 
• Support and mentor junior developers 
  You share your experience with less-experienced teammates, offering guidance on code quality, design choices, and development best practices. 

What we offer   

• Continuous learning and career growth opportunities 
• Professional training and English/Spanish language classes   
• Comprehensive medical insurance 
• Mental health support 
• Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more 
• Flexible working hours 
• Inclusive and supportive culture