Principal Backend Engineer (Node.js, PHP)

🏢 Summary: Lead the design and long-term ownership of a scalable integrations platform connecting AI-powered translation tools with external services. Build and maintain multi-tenant backend systems using Node.js and PHP, implementing APIs, webhooks, and event-driven architectures. Drive system design, CI/CD, testing, and operational excellence within a modern engineering environment. 🗂️ Requirements: 7+ years of experience building complex backend systems, Strong experience with Node.js and PHP, Experience with microservices and monolithic architectures, Proven experience with API integrations and versioning, Experience with message queues and event-driven architectures, Strong knowledge of relational databases (PostgreSQL), Experience with cloud platforms (AWS or similar), Experience with CI/CD pipelines and automated testing, Commitment to observability and high-quality code, Experience with AI-assisted development tools 📃 Skills: Node.js, PHP, Microservices, Monolith, APIs, Webhooks, MessageQueues, EventDriven, PostgreSQL, AWS, CI/CD, Testing, Observability, GitHubCopilot, Cursor 🏢 Description: Join our Integrations team and help build a robust, scalable platform that connects our AI-powered translation and localization tools with hundreds of services our customers rely on daily. This is more than coding—it’s about architecting a system that makes workflows effortless, developer experience smooth, and enables product teams to deliver value faster. ✅ Your responsibilities: Lead design, development, and long-term ownership of the integrations platform and services. Build scalable, multi-tenant systems using Node.js, PHP, microservices, and a PHP monolith. Implement API integrations, webhooks, polling mechanisms, message queues, and event-driven architectures. Improve development lifecycle, CI/CD, testing, observability, and operational excellence. Mentor and elevate team skills through code reviews, knowledge sharing, and technical guidance. Pioneer AI-powered development workflows and tools within the team. 🧠 Our requirements: 7+ years building and maintaining complex backend systems. Strong experience with Node.js and PHP, modern services, and monolithic architectures. Proven experience in integrations: API versioning, message queues, event-driven architectures. Solid understanding of APIs, relational databases (e.g., PostgreSQL), and cloud services (AWS or similar). Strong judgment in system design and technical decision-making (PoCs, RFCs/ADRs). Commitment to testing, observability, operational excellence, and high-quality code. Experience with AI-assisted development tools (e.g., GitHub Copilot, Cursor). Excellent problem-solving, communication, and leadership skills. 🌟 What we offer: Stable employment in a fast-growing company Flexible and remote-friendly working model Health and wellbeing benefits Continuous learning and development opportunities Modern equipment and comfortable work environment

🏢 Summary: Lead the design and long-term ownership of a scalable integrations platform connecting AI-powered translation tools with external services. Build and maintain multi-tenant backend systems using Node.js and PHP, implementing APIs, event-driven architectures, and cloud-based solutions. Drive technical excellence across system design, CI/CD, testing, observability, and AI-assisted development workflows. 🗂️ Requirements: 7+ years experience building complex backend systems, Strong experience with Node.js and PHP, Experience with microservices and monolithic architectures, Proven experience with API integrations and API versioning, Experience with message queues and event-driven architectures, Knowledge of relational databases (PostgreSQL), Experience with cloud platforms (AWS or similar), Experience in system design and technical decision-making, Commitment to testing, observability, and code quality, Experience with AI-assisted development tools 📃 Skills: Node.js, PHP, Microservices, APIs, PostgreSQL, AWS, CI/CD, Webhooks, MessageQueues, EventDriven, GitHubCopilot, Cursor 🏢 Description: Join our Integrations team and help build a robust, scalable platform that connects our AI-powered translation and localization tools with hundreds of services our customers rely on daily. This is more than coding—it’s about architecting a system that makes workflows effortless, developer experience smooth, and enables product teams to deliver value faster. ✅ Your responsibilities: Lead design, development, and long-term ownership of the integrations platform and services. Build scalable, multi-tenant systems using Node.js, PHP, microservices, and a PHP monolith. Implement API integrations, webhooks, polling mechanisms, message queues, and event-driven architectures. Improve development lifecycle, CI/CD, testing, observability, and operational excellence. Mentor and elevate team skills through code reviews, knowledge sharing, and technical guidance. Pioneer AI-powered development workflows and tools within the team. 🧠 Our requirements: 7+ years building and maintaining complex backend systems. Strong experience with Node.js and PHP, modern services, and monolithic architectures. Proven experience in integrations: API versioning, message queues, event-driven architectures. Solid understanding of APIs, relational databases (e.g., PostgreSQL), and cloud services (AWS or similar). Strong judgment in system design and technical decision-making (PoCs, RFCs/ADRs). Commitment to testing, observability, operational excellence, and high-quality code. Experience with AI-assisted development tools (e.g., GitHub Copilot, Cursor). Excellent problem-solving, communication, and leadership skills. 🌟 What we offer: Stable employment in a fast-growing company Flexible and remote-friendly working model Health and wellbeing benefits Continuous learning and development opportunities Modern equipment and comfortable work environment

🏢 Summary: Senior PHP Backend Engineer role focused on building and scaling backend services for a modern AI-driven product platform. The position involves developing REST APIs, integrating AI/LLM services, and improving system architecture, performance, and scalability. You will contribute to technical decisions and support AI automation initiatives in a fully remote environment. 🗂️ Requirements: Strong commercial experience as PHP Backend Engineer or Senior PHP Developer, Very good knowledge of PHP 8+, Experience with Symfony and/or Laravel, Experience designing and developing REST APIs, Experience with MySQL or PostgreSQL, Experience with Redis, queues or background processing, Hands-on experience with AI/LLM tools (OpenAI API, Claude), Experience with backend architecture and integrations, English proficiency for daily technical communication 📃 Skills: PHP, Symfony, Laravel, REST, MySQL, PostgreSQL, Redis, Elasticsearch, OpenAI, Claude, LLM, AI, Git, Docker, Kubernetes, AWS, RabbitMQ, Kafka, OAuth2, JWT, TypeScript, JavaScript, NestJS, CI/CD 🏢 Description: ✅ Your responsibilities: ・Designing and developing backend services using PHP and modern backend frameworks ・Building and maintaining REST APIs , integrations and business logic for production systems ・Working with databases such as MySQL / PostgreSQL / Redis / Elasticsearch ・Supporting the development of AI-powered features using LLMs, OpenAI API, Claude or similar tools ・Working on AI automation, prompt engineering and backend integrations with AI services ・Improving application architecture, scalability, maintainability and performance ・Collaborating with product, engineering and business teams to translate requirements into technical solutions ・Taking ownership of technical decisions and supporting less experienced developers when needed ・Participating in code reviews, technical discussions and delivery planning 🧠 Our requirements: ・Strong commercial experience as a PHP Backend Engineer / Senior PHP Developer ・Very good knowledge of PHP 8+ and modern backend development practices ・Experience with frameworks such as Symfony and/or Laravel ・Good understanding of REST APIs , integrations and backend architecture ・Experience with relational databases, especially MySQL or PostgreSQL ・Experience with Redis , queues, messaging or background processing ・Practical interest or hands-on experience with AI / LLM tools, such as OpenAI API, Claude, GitHub Copilot, prompt engineering or AI automation ・English at a level allowing daily technical communication ⭐ Nice to have: ・Experience with TypeScript / JavaScript / NestJS ・Experience with Docker, Kubernetes, AWS or CI/CD pipelines ・Knowledge of RabbitMQ, Kafka or Symfony Messenger ・Understanding of software security topics such as OAuth2, JWT and input validation ・Experience with architectural approaches such as DDD, CQRS, Event Sourcing or Hexagonal Architecture 🌟 What we offer: ・100% remote work. ・Opportunity to work on a modern AI / ML product platform. ・Private healthcare and Multisport. ・Life insurance. ・Real influence on technical decisions and architecture. ・Exposure to modern AI, data, and product engineering challenges. ・Collaborative and supportive team environment.

🏢 Summary: Fullstack Engineer role focused on building and scaling a global data-driven insights platform using modern JavaScript technologies. The position involves developing backend and frontend services, designing scalable databases, and influencing system architecture. You will work on high-load systems, ensure code quality, and contribute to technical decisions and mentoring. 🗂️ Requirements: 5+ years of experience with JavaScript and Node.js, 3+ years of experience with TypeScript and React or Next.js, Hands-on experience with scalable backend systems, Experience designing SQL and NoSQL database schemas, Ability to optimize queries for high-load systems, Knowledge of web fundamentals and networking concepts, Understanding of OWASP security best practices, Experience with AWS cloud services, Experience writing unit, integration, and e2e tests, Professional proficiency in English 📃 Skills: JavaScript, Node.js, TypeScript, React, Next.js, REST, GraphQL, SQL, NoSQL, AWS, CORS, OWASP, Microservices, Serverless 🏢 Description: We’re building a data-driven insights platform used by professionals worldwide. Our mission is to turn complex data into actionable insights and empower teams to make better decisions. We value ownership, technical excellence, and collaboration . If you enjoy building scalable systems, mentoring engineers, and shaping software architecture, you’ll fit right in. 🎯 Your mission Develop and maintain backend and frontend services (REST/GraphQL APIs, React apps) Design scalable database schemas (SQL & NoSQL) and optimize queries for high-load systems Collaborate with product, design, and DevOps teams to deliver robust solutions Write clean, tested code (unit, integration, e2e) Influence architecture and technical decisions Mentor other developers and share best practices 📌 You should have 5+ years in JavaScript / Node.js 3+ years in TypeScript + React/Next.js Hands-on experience with scalable backend systems Knowledge of web fundamentals & networking (CORS, browser behavior) Understanding of security best practices (OWASP) Experience with cloud services (AWS preferred) Strong communication skills in English Ability to work independently and take ownership ✨ Nice to have Experience with microservices / serverless architectures Data pipelines, scraping, or data-heavy applications Team leadership or mentoring experience Exposure to AI/ML integrations 💡 Why join us High-impact role on a global data platform Work with modern technologies and best engineering practices Autonomy & ownership in your work Collaborative and experienced team Competitive employment package and benefits.

🏢 Summary: The role focuses on designing, developing, and maintaining the backend of a high-performance Digital Services Platform using PHP 8+ and Symfony. It emphasizes clean architecture, automated testing, and secure integrations with external systems within a containerized cloud environment. The position involves REST API development, asynchronous messaging, and database optimization following DDD and SOLID principles. 🗂️ Requirements: Production experience with PHP 8+, Strong expertise in Symfony framework, Experience designing and maintaining REST APIs, Experience with third-party system integrations (ERP, payments, logistics), Strong knowledge of PostgreSQL and query optimization, Experience with RabbitMQ and asynchronous messaging, Experience using Redis for caching and session management, Practical experience with Docker and Docker Compose, Experience working with CI/CD pipelines, Understanding of SOLID principles and Domain-Driven Design, Experience writing automated tests and participating in code reviews 📃 Skills: PHP, Symfony, REST, PostgreSQL, RabbitMQ, Redis, Docker, CI/CD, DDD, SOLID 🏢 Description: co.brick talents — powered by AI, powered by people. The objective of this role is to design, develop, and maintain the backend of a high-performance Digital Services Platform. The focus is on ensuring stable, secure, and highly efficient system operations while enabling seamless integrations with external platforms. You will build clean, testable, and maintainable code in PHP 8+ and Symfony, manage REST APIs, configure asynchronous messaging, and champion architectural design patterns within a containerized cloud environment. Details Core Focus: Enterprise Backend Engineering & Integration. Architecture Style: Domain-Driven Design (DDD), Modular Monolith/Microservices, and SOLID principles. Methodology: Clean code development with mandatory automated testing, peer reviews, and automated CI/CD pipelines. Responsibilities Backend Development: Building and maintaining complex backend features using strictly typed PHP 8+ and advanced features of the language. Symfony Ecosystem: Leveraging foundational Symfony components including Dependency Injection, Messenger, Event Dispatcher, Serializer, Validator, Security, and Console commands. API Engineering: Designing, documenting, and versioning robust REST APIs featuring data validation, thorough error handling, token authorization, filtering, and pagination. System Integrations: Connecting the digital platform to external systems including ERP software, payment gateways, invoicing tools, warehouse/logistics managers, and B2B/B2C services with built-in fault tolerance. Data & Caching Layer: Architecting database structures, relational integrity, and indexing in PostgreSQL while utilizing Redis for caching, locking, rate limiting, and session management. Asynchronous Messaging: Setting up and managing event queues via RabbitMQ, ensuring proper implementation of retry mechanisms, dead-letter queues, and message idempotency. Containerization & Devops: Engineering local environments and service dependencies using Docker and Docker Compose, while integrating your code into automated CI/CD delivery pipelines. Requirements Languages & Frameworks: Production-grade programming skills in PHP 8+ and deep familiarity with the Symfony framework ecosystem. API & Integrations: Extensive practical experience designing REST APIs and handling third-party integrations (ERP, billing, payments, logistics). Data Storage & Messaging: Strong knowledge of PostgreSQL query optimization, database design patterns, RabbitMQ event streaming, and Redis cache tools. DevOps Infrastructure: Practical experience using Docker and Docker Compose for local deployment along with version control inside modern CI/CD setups. Software Design Philosophy: In-depth understanding of SOLID principles, Domain-Driven Design (DDD) , component modularity, and layered architectures. Quality Assurance: Strong commitment to writing automated tests , participating actively in peer code reviews , and keeping code highly testable.

🏢 Summary: Lead AI Software Developer role focused on architecting and scaling AI-powered applications, backend systems, and multi-agent workflows across cloud and enterprise environments. The position involves designing secure integrations, optimizing LLM-based solutions, and leading technical delivery and best practices. It combines hands-on AI development with backend architecture and technical leadership. 🗂️ Requirements: Degree in Computer Science, AI, Data Science or related field, 8+ years of software engineering experience, 5+ years of Python backend development in production, Experience building and scaling Python applications, Hands-on experience with AI Agents, RAG and MCP, Experience with AWS or Azure cloud platforms, Experience with storage systems and databases, Knowledge of containerization and Kubernetes, Experience with API integrations and enterprise system connectivity, Leadership and mentoring experience 📃 Skills: Python, AWS, Azure, Kubernetes, RAG, MCP, APIs, Cloud, Databases, Containerization, AI, LLM 🏢 Description: We are seeking an experienced Lead AI Software Developer to design and scale AI-powered applications and integrations. In this role, you will architect backend systems, lead AI agent development, and ensure secure, scalable integration across cloud platforms and enterprise systems. Key Responsibilities Design and maintain middleware, APIs, and connectors integrating AI agents with enterprise systems Architect scalable backend services and cloud-based solutions (AWS/Azure) Develop and optimize multi-agent workflows and adaptive decision logic Fine-tune prompts and LLM-based solutions for domain-specific use cases Lead code reviews, mentor developers, and define development best practices Drive complex API integrations with internal and external AI platforms (incl. MCP servers) Remove technical roadblocks and ensure timely delivery Collaborate with AI, Data, and Platform teams to optimize automation architectures Maintain technical documentation and promote continuous improvement Requirements Degree in Computer Science, AI, Data Science, or similar field 8+ years of software engineering experience, including 5+ years of Python backend development (production) Strong experience building and scaling Python applications Hands-on experience with AI technologies (AI Agents, RAG, MCP) Experience with cloud platforms (AWS or Azure), storage, databases, and AI services Knowledge of containerization and Kubernetes Experience with API integrations and enterprise system connectivity Strong leadership and mentoring experience Excellent communication skills; fluent in Polish and English (min. B2); German is a plus Willingness to travel internationally (~10%) Nice to have: Experience with LangChain, LangGraph, multi-agent systems, prompt engineering, and LLM fine-tuning. What We Offer Work in a global and innovative technology environment Direct impact on enterprise AI and automation solutions Professional development and access to training programs Hybrid work model with flexible hours (central Wroclaw office) Competitive benefits package, cafeteria system, CSR initiatives, and employee clubs

🏢 Summary: Lead Software Engineer role focused on designing and delivering scalable, secure, high-performance full-stack applications for enterprise and public sector clients. The position involves building modern frontend and backend systems, developing APIs and microservices, and supporting CI/CD, testing, and cloud environments. The role also includes technical leadership and mentoring within cross-functional teams. 🗂️ Requirements: Strong experience with JavaScript and TypeScript, Backend development experience with Node.js or Python, Experience with modern frontend frameworks, Knowledge of REST and GraphQL APIs, Experience with microservices architecture, Experience with cloud platforms (AWS, Azure, or GCP), Familiarity with CI/CD pipelines, Experience with testing frameworks, Understanding of security best practices, Understanding of performance optimization, Experience mentoring developers or leading technical initiatives 📃 Skills: JavaScript, TypeScript, Node.js, Python, React, Vue, Angular, REST, GraphQL, Microservices, AWS, Azure, GCP, CI/CD, Testing, Security, Performance 🏢 Description: International company delivering advanced internet connectivity solutions is looking for a Lead Software Engineer to help build scalable, secure, and high-performance digital products used by enterprise and public sector clients. Your responsibilities 🚀 Designing and developing modern full-stack applications Building scalable front-end solutions (React, Vue, Angular) Developing backend services and APIs (REST / GraphQL) Creating reusable components and microservices Supporting CI/CD, testing, monitoring, and automation Collaborating with Product and Design teams Mentoring engineers and supporting technical decisions Must have ✅ Strong experience with JavaScript / TypeScript Backend development experience (Node.js or Python preferred) Experience with modern frontend frameworks Knowledge of APIs, microservices, and cloud platforms (AWS, Azure, GCP) Familiarity with CI/CD and testing frameworks Understanding of security and performance best practices Experience mentoring developers or leading technical initiatives Nice to have ⭐ Experience with AI-driven tools Knowledge of design systems or distributed systems Advanced security knowledge What’s offered 🎁 International work environment Modern tech stack and large-scale systems Learning & development opportunities Competitive salary + private healthcare + pension plan Hybrid working model

🏢 Summary: Senior Integration Engineer role focused on designing, building, and optimizing scalable integrations between a business-critical SaaS platform and external systems. The assignment combines hands-on development with architectural improvements and standardization of the integration landscape. The consultant will enhance integration practices, frameworks, and cloud-based services in a modern product-driven environment. 🗂️ Requirements: 5-6+ years software development experience, Minimum 2 years in integration-focused role, Strong knowledge of APIs and distributed systems, Experience with event sourcing, Experience building scalable integration services, Experience integrating ERP and/or Payroll systems, Proficiency in at least one OOP language (Java, Kotlin, or C#), Experience with Node.js, React, or TypeScript, Experience with PostgreSQL or MongoDB, Experience with AWS, Azure, or GCP, Experience with integration frameworks (Apache Camel, JBoss Fuse, Azure Logic Apps, or iPaaS), Experience using AI tools in development workflow 📃 Skills: APIs, DistributedSystems, EventSourcing, Integration, ERP, Payroll, Java, Kotlin, C#, OOP, Node.js, React, TypeScript, PostgreSQL, MongoDB, AWS, Azure, GCP, ApacheCamel, JBossFuse, AzureLogicApps, iPaaS, AI 🏢 Description: Location: Remote with occasional visits to the office in Stockholm Start: ASAP/or after the Summer Duration: Initial 6 months About the Assignment We are looking for a highly experienced Integration Engineer to join a product-focused technology organization undergoing continued growth and modernization. The assignment focuses on designing, building, and optimizing integrations between a business-critical SaaS platform and a broad ecosystem of external systems. The consultant will play a key role in both hands-on development and strategic improvements of the client's integration landscape. This is a senior-level role where the consultant is expected to actively contribute to development while also helping elevate engineering practices across the team. Responsibilities Design, develop, and maintain integration solutions between internal and external platforms. Evaluate and assess the existing integration architecture and provide improvement recommendations. Drive standardization, scalability, and maintainability across integration services. Collaborate closely with engineering, product, and business stakeholders. Contribute to architectural decisions and integration best practices. Support the development of reusable integration patterns and frameworks. Mentor team members and help strengthen the team's technical capabilities. Leverage modern AI-assisted development tools and workflows to improve productivity and quality. Required Experience A passionate professional with a solid technical understanding of concepts such as APIs, distributed systems, event sourcing, and integrations, with at least 5-6 years of experience as a developer including at least 2 years in an integration-focused role. Proficiency in building scalable integration services, preferably with systems such as ERP and/or Payroll. Fluency in at least one OOP language such as Java, Kotlin, or C#, with experience across frontend (preferably Node.js, React, or TypeScript) and databases (preferably PostgreSQL or MongoDB). Experience working in cloud environments like AWS, Azure, or Google Cloud. Familiarity with integration frameworks like Apache Camel, JBoss Fuse, Azure Logic Apps, or iPaaS solutions. Track record of leveraging AI tools in your development workflow. Strong attention to detail and the ability to deliver stable, scalable integrations. Strong analytical abilities and excellent communication skills. Nice to have Experience in identity and access management. Experience in the HRIS domain, HR master data, HR systems, payroll data, and employee and organizational data. Experience working with remote teams across multiple countries. Personal Qualities Highly hands-on and delivery-oriented. Comfortable operating both strategically and technically. Strong problem-solving and analytical mindset. Passionate about engineering excellence and continuous improvement. Ability to challenge existing approaches and drive positive change.

🏢 Summary: Lead Software Engineer role focused on building scalable, secure, and high-performance full-stack applications for enterprise and public sector clients. The position involves designing modern frontend and backend solutions, developing APIs and microservices, and supporting cloud-based CI/CD environments. The role also includes technical leadership and mentoring while ensuring best practices in security and performance. 🗂️ Requirements: Strong experience with JavaScript, Strong experience with TypeScript, Backend development experience with Node.js or Python, Experience with modern frontend frameworks, Knowledge of APIs and microservices, Experience with cloud platforms (AWS, Azure, or GCP), Familiarity with CI/CD pipelines, Experience with testing frameworks, Understanding of security best practices, Understanding of performance optimization best practices, Experience mentoring developers or leading technical initiatives 📃 Skills: JavaScript, TypeScript, Node.js, Python, React, Vue, Angular, REST, GraphQL, Microservices, APIs, AWS, Azure, GCP, CICD, Testing, Security, Performance 🏢 Description: International company delivering advanced internet connectivity solutions is looking for a Lead Software Engineer to help build scalable, secure, and high-performance digital products used by enterprise and public sector clients. Your responsibilities 🚀 Designing and developing modern full-stack applications Building scalable front-end solutions (React, Vue, Angular) Developing backend services and APIs (REST / GraphQL) Creating reusable components and microservices Supporting CI/CD, testing, monitoring, and automation Collaborating with Product and Design teams Mentoring engineers and supporting technical decisions Must have ✅ Strong experience with JavaScript / TypeScript Backend development experience (Node.js preferred or Python) Experience with modern frontend frameworks Knowledge of APIs, microservices, and cloud platforms (AWS, Azure, GCP) Familiarity with CI/CD and testing frameworks Understanding of security and performance best practices Experience mentoring developers or leading technical initiatives Nice to have ⭐ Experience with AI-driven tools Knowledge of design systems or distributed systems Advanced security knowledge

🏢 Summary: Senior Full Stack Team Lead role focused on building and scaling web applications using React and Node.js while leading a development team. The position combines hands-on front-end and back-end development with architecture design, API development, and deployment in cloud environments. You will drive technical decisions, ensure code quality, and oversee delivery of scalable, production-ready systems. 🗂️ Requirements: 7+ years full-stack development experience with React and Node.js, 2+ years experience in leadership or senior technical role, Strong experience with React.js, Redux, React Hooks, Strong knowledge of HTML5, CSS3, modern JavaScript, Proficiency in Node.js and Express.js, Experience building REST APIs, Experience with PostgreSQL or MySQL, Experience with authentication methods (OAuth, JWT, sessions), Experience with CI/CD and Docker, Experience working with production systems, Experience with Git, Understanding of Agile/Scrum methodologies 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, REST, GraphQL, PostgreSQL, MySQL, OAuth, JWT, Docker, Kubernetes, AWS, Azure, GCP, Git, CI/CD, Webpack, Babel, Vite, MongoDB 🏢 Description: Overview We are a leading company in AI-based enterprise operations. We provide digital solutions and consulting services that help businesses grow and improve. We use modern technology to make processes simpler, increase efficiency, and create new ways to earn money, especially in private capital markets. Our ecosystem includes three main parts. First, PaaS (Platform as a Service) with the Orion Platform, which helps improve workflows, show useful insights, and support value growth across portfolios. Second, SaaS (Software as a Service), a cloud platform that offers strong performance and smart tools at scale. Third, our Solutions and Consulting Suite, which includes flexible technology solutions to manage, grow, and improve company performance. With more than 10 years of experience, we support fast-growing companies and private equity platforms, turning technology into a real business advantage. Responsibilities and Duties We are looking for an experienced Full Stack Team Lead with strong skills in React and Node.js. The right person has over 7 years of experience building high-quality web applications and has experience leading a team. You will guide developers, work on both front-end and back-end, take part in all stages of development, and support junior team members. Key Responsibilities Team Leadership & Mentorship: Lead and support a team of developers. Help them grow, review code, and give technical advice. Front-End Development: Build and maintain user interfaces using React.js, Redux, and modern JavaScript. Back-End Development: Create strong and scalable server applications and APIs using Node.js and Express. Integration: Work with database engineers to design databases and manage data using MongoDB or SQL. Application Architecture: Design scalable systems and microservices that meet business needs. Testing & Debugging: Write tests, fix issues, and improve performance. Support good testing practices. Deployment: Manage releases using CI/CD tools and Docker. Collaboration: Work with designers, product managers, and developers to create useful solutions. Communicate with both technical and non-technical teams. Maintenance: Monitor systems, fix problems, and improve applications. Documentation: Write and maintain technical documents for systems and APIs. Requirements Front-End: Strong experience with React.js, Redux, React Hooks, and component-based design Good knowledge of HTML5, CSS3, and modern JavaScript Familiar with tools like Webpack, Babel, or Vite Back-End: Strong skills in Node.js and Express.js Experience building and using APIs (GraphQL is a plus, REST is required) Knowledge of authentication methods like OAuth, JWT, and sessions Database: Experience with PostgreSQL or MySQL Additional Skills: Experience with Docker and Kubernetes is a plus Knowledge of cloud platforms like AWS, Azure, or GCP Experience with Git Understanding of Agile/Scrum methods Qualifications At least 7 years of experience in full-stack development with React and Node.js At least 2 years in a leadership or senior role Experience working with live production systems Bachelor’s degree in Computer Science or similar (preferred) Soft Skills Strong problem-solving and analytical thinking Good communication and teamwork skills Ability to work independently and manage tasks well Willingness to learn new technologies and improve continuously Why Join Us? We look for people who solve problems creatively, learn quickly, and enjoy working in an open and diverse team. We work hard, but we also like to enjoy what we do and aim for high results.