Jobs Fullstack

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/ GO/ Node.js
• 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 

On behalf of our Client from Netherlands, Mobilunity is looking for a Technical Lead.

Our Client is building a powerful new SaaS platform for premium restaurants to manage their own e-commerce, visibility, and retention—replacing tools like Shopify, Mailchimp, and Clavio with a tailored all-in-one solution.

To support this transformation, we’re seeking a hands-on Technical Lead who will architect solutions, guide developers, and collaborate deeply with product and business stakeholders. You’ll drive engineering decisions and ensure the delivery of scalable, clean, and reliable systems.

Key Responsibilities:

• Lead architecture and technical decisions for the team.
• Actively contribute code in both Python (Django/FastAPI) and React/Next.js.
• Own system design and code quality across services.
• Guide and mentor developers in best practices, testing, and performance.
• Collaborate with product managers to refine specs and delivery goals.
• Drive technical execution across backend, frontend, and deployment layers.
• Interested in use of AI/code tools to improve engineering efficiency.

Requirements:

• 8+ years in full-stack engineering (Python, Django, React/Next.js).
• Experience building and scaling SaaS or multi-tenant architectures.
• Comfortable with PostgreSQL and GCP-based environments.
• Strong system design, testing, and debugging skills.
• Experience leading engineers in agile, product-oriented teams.
• Pragmatic, collaborative, and product-minded.

Nice to Have:

• Previous leadership in fast-paced startups.
• E-commerce, hospitality, or foodtech experience.
• Familiarity with AI-assisted development environments (e.g., Cursor, Copilot).

Tech Stack:

• Backend: Python, Django, FastAPI.
• Frontend: React, Next.js.
• DB: PostgreSQL.
• Cloud: GCP.
• Process: Agile, AI-enhanced workflows.
• Tools: Cursor, Copilot, Slack, Figma.

In return we offer:

• The friendliest community of like-minded IT-people.
• Open knowledge-sharing environment — exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies.
• Perfect office location in the city-center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both.
• No open-spaces setup — separate rooms for every team’s comfort and multiple lounge and gaming zones.
• English classes in 1-to-1 & group modes with elements of gamification.
• Neverending fun: sports events, tournaments, music band, multiple affinity groups.

We are seeking a Senior Full Stack Engineer (AI-Assisted) to join a fast-moving enterprise AI startup building on-premise LLM solutions for security-sensitive organizations.

This is not a traditional full-stack role. We are looking for a true “post-AI engineer” - someone who uses AI tools daily across their workflow and knows how to oversee, validate, and productionize AI-generated code.

The product already exists at a development level and now needs to be hardened, secured, and brought to production-grade standards.

Responsibilities:

• Take an existing dev-level platform and evolve it into a production-ready system
• Build and refine the full product layer around an AI/LLM engine
• Develop frontend and backend features end-to-end
• Review, validate, and secure AI-generated code
• Handle file systems, backend endpoints, and integration logic
• Work within a Kubernetes-based microservices architecture
• Ensure high security standards for enterprise, on-prem deployments
• Tie together loose ends and make the platform fully shippable

Requirements:

• Strong experience as a Full Stack Engineer (senior level)
• Daily hands-on use of AI coding tools (Cursor, Copilot, Claude, etc.)
• Clear understanding of AI-assisted development workflows
• Experience reviewing and securing AI-generated code
• Strong frontend experience (React / Flutter)
• Strong backend experience (Python / Node)
• Experience working with microservices architecture
• Experience with Kubernetes and Helm
• Ability to work autonomously with high ownership
• High availability and reliability

Preferred Qualifications:

• Experience with on-premise enterprise deployments
• Background in secure or air-gapped environments
• Experience building RAG systems or working with LLM integrations
• Strong architectural thinking and production mindset

What We’re Looking For:

• Engineers who prioritize understanding over process
• Comfortable working without heavy Jira/scrum overhead
• Strong problem solvers who can think through systems holistically
• Long-term mindset 

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

Language

• English: B1+

N-iX is looking for a highly skilled and experienced Lead JavaScript Full-stack Engineer to drive the development of our client’s next-generation products, with a strong emphasis on integrating Artificial Intelligence (AI), experimenting with R&D, and robust UI platform development. This role requires a technically proficient leader and seasoned R&D designer capable of driving innovation across the entire software stack.

Our Client is the largest engineering company in Europe, and holds the position of global market leader in industrial AI, automation, and industrial software.
Become a part of Client’s innovation department, which is creating and managing cutting-edge technical architectures, serving as a shared platform for research and development within Client's large organization. It primarily focuses on research and development, including broad incorporation of Artificial Intelligence (AI), cloud-based software, high-performance computing, etc.

Responsibilities:

• Lead and launch the technical planning and execution of complex projects, ensuring successful AI incorporation.
• Define and enforce best practices for software development, testing, and deployment, with a focus on AI/MLOps workflows.
• Spearhead the integration of AI components and models into the SDLC, product architecture, and deployment pipelines to enhance functionality and development efficiency.
• Architect and design scalable, high-performance, and maintainable full-stack solutions
• Conduct research & development in compliance with business requirements.
• Design, implement, and optimize data schemas
• Consult on the development of highly responsive and user-friendly front-end interfaces and a reusable UI platform.
• Implement and manage AI agents' infrastructure and supporting services as agentic skills.
• Manage deployment pipelines and infrastructure-as-code specifically within AWS
• Coordinate with cross-functional engineering teams on AI integration best practices.
• Collaborate with Architects, Product managers, designers, and other stakeholders to translate the UI Platform and AI requirements into technical specifications.

• Foster a culture of technical excellence, collaboration, and accountability within the engineering teams.

   

Requirements:

• Minimum of 8 years of experience in full-stack development, with at least 3 years in a lead or senior role.
• Robust experience in Research & Development (R&D), translating cutting-edge technology into production systems.
• Strong proficiency in using AI tooling for rapid development and SDLC enhancements
• Experience incorporating AI models/services (e.g., LLMs, Computer Vision) into production software, hands-on with Claude Code, Cursor, and Copilot.
• Strong proficiency with component-based frameworks and SSR (Next.js/React, Vue.js, Angular)
• Experience with Docker and Kubernetes, building and managing CI/CD pipelines (e.g., Jenkins, GitLab CI, GitHub Actions)
• Experience with logging, monitoring, and alerting services
• Proven ability to deliver high-quality, production-ready code.
• Strong communication and interpersonal skills.

• English - B2 or C1

   

Nice to Have:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field
• AWS certifications
• Typescript, Node.js (with Express/NestJS), Java or Python (with Django/Flask), RESTful API design and implementation
• UI Platform Development experience, Stencil.js, Storybook

• MLOps principles and tools

   

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 a product team, and we are looking for a Next.js Developer to build a high-quality web product with a focus on performance and long-term maintainability.

Deep knowledge of the Next.js framework is required!

Tech Stack

- Frontend: React, Next.js, Tailwind CSS, Zustand, shadcn/ui, Framer Motion

- Backend: NestJS, TypeORM/PostgreSQL
- API: GraphQL

A brief product overview with real screenshots of the dashboards, charts, and pages (the Figma design) can be shared upon request.

Inforce is a Software Development Company delivering high-quality IT solutions for international clients. We are looking for a Full Stack Developer with strong Shopify backend expertise to join our team.

Requirements:

• 1+ years of backend development experience
• Strong experience with Shopify (high-volume projects)
• Experience building custom Shopify apps and platform extensions (Checkout, Admin UI, Functions)
• Expert proficiency in Node.js and serverless architecture
• Experience with REST or GraphQL APIs
• Solid knowledge of Shopify theme development (Liquid, metafields, Storefront API)
• Upper-Intermediate English (B2+)
  
  Will be a plus:
• TypeScript or Rust
• Experience with scalable eCommerce systems
  
  Responsibilities:
• Develop and maintain scalable Shopify backend solutions
• Build custom apps and extend business logic
• Architect and integrate APIs
• Support Shopify frontend integrations
  
  We offer:
• Competitive salary
• Challenging eCommerce projects
• Career growth opportunities
• Paid sick leave & vacation
• Friendly team and flexible format

Grow your career with a team that values people as much as results!