Вакансии React Developer

We are looking for an experienced Senior React Native Engineer to join a long-term project in the financial sector. You will be working as part of an international team, contributing to the development of high-quality digital financial products.

What are we looking for:

Technical skills:

• 5+ years of experience with React Native (both CLI and Expo) and React.js.
• Strong knowledge of JavaScript (ES7+), TypeScript, HTML5, and CSS3.
• Prior experience in Fintech projects is required.
• Solid understanding of responsive design principles, UI/UX best practices.
• Experience with Git and version control.
• Proficiency in integrating RESTful APIs, WebSockets, and third-party libraries.
• Strong understanding of mobile app architecture, design patterns, code optimization, and performance tuning.
• Experience managing app updates, versioning, and platform-specific approval processes.
• Expertise in implementing interactions between React Native components and WebView.
• Experience in writing and integrating native modules on iOS and Android platforms for enhanced functionality.
• Proficiency with unit testing and integration testing frameworks (e.g., Jest, Detox).
• Upper-Intermediate English or higher (both spoken and written).

Soft skills:

• Ability to analyze business requirements and communicate effectively with stakeholders.
• Proactive approach, eagerness to learn, and strong problem-solving skills.
• Excellent communication and collaboration skills.
• Strong focus on delivering high-quality solutions.

Nice to have:

• Experience with Node.js.
• Experience with Next.js.

As a front-end software engineer, you will be responsible for leading, designing, and developing games & features for the MOHIO Sports product. We are seeking front-end developers who strive to work in various and challenging areas of the product.

Requirements:

• 2+ years of experience in Front-End.
• Front-End engineering experience on Linux/Mac.
• HTML5;
• CSS3;
• JavaScript;
• ES6;
• ReactJS
• GIT;
• Sass;
• WebPack;
• Redux;
• Typescript.
• Quick understanding of business needs (tasks) and providing the best solution, taking into account all the logical relationships in the project;
• Proactivity;
• At least intermediate English level with abilities to write, to speak and to understand stakeholders who speak English clearly and slowly if what.

Nice to have:

• Knockout JS;
• jQuery.

We are looking for React developer, who will become a part of our talented team and will actively participate in project development and support.

Requirements:

• Knowledge of JavaScript;
• Experience with React in commercial from 2 year;
• Experience with Redux 2+ years;
• Understanding React Hooks;
• Experience with Websockets;
• Ability and desire to work with Pixel Perfect;
• Experience with CSS Sass preprocessor;
• Knowledge and understanding of RESTful APIs;
• Experience in writing tests;
• Experience with TypeScript knowledge 2+years;
• Experience with reack-hook-forms/formik;
• Intermediate level of English (B1-B2) and good communication skills;
• Experience with Material UI or other UI libraries.

Will be a plus:

• Knowledge GraphQL;
• Experience in writing tests;
• Experience with StoryBook or similar libraries.

About the Product:

Our client develops a solution that provides real-time monitoring and actionable health insights for better care. Its technology provides 24/7 monitoring of seniors’ health at home, offering emergency alerts, valuable insights, and predictive analytics to support proactive and efficient care.

About the Role:

We are seeking a Senior Full Stack Engineer to join a mission-driven product transforming lives with cutting-edge AI and IoT technology. This role offers the opportunity to work on innovative solutions that enhance safety and quality of life for end-users while providing actionable insights to businesses. In this role, you’ll contribute to both web and mobile platforms, taking ownership of features and building scalable solutions that directly impact users and businesses.

Key Responsibilities:

• Build and maintain reliable full-stack web applications using Node.js and React.
• Develop scalable microservices solutions.
• Work closely with product managers and designers to ensure technical solutions align with product objectives.
• Conduct code reviews to maintain high-quality standards throughout the development process.
• Identify and resolve complex technical issues to optimize system performance.
• Stay updated on industry trends and integrate new technologies to enhance our tech stack.

Required Competence and Skills:

• At least 4 years of experience as full-stack developer, equally focused on Node.js and React.
• Experience with microservices architecture and RESTful APIs for scalable solutions.
• Proficiency in Git for version control.
• Basic experience with AWS or other cloud platforms.
• Experience with the end-to-end development lifecycle.
• Strong communication skills and problem-solving mindset.
• Excellent English communication skills, both verbal and written.

Nice to have skills:

• Hands-on experience with React Native for iOS/Android app development, including familiarity with Expo – a big advantage.

As the Lead Developer for our real estate agency platform, you will be responsible for leading the development team in designing, building, and maintaining a robust, scalable, and user-friendly web application. You will leverage your expertise in TypeScript, Next.js, Zustand, and Supabase.
In this role, you will collaborate closely with the Software Architect, UI/UX designers, Project Manager, Middle Back-end Developer and a Middle Front-end Developer as a subordinate, and stakeholders from the client side.

Product overview:
The Real Estate-focused AI Product with an intention to replace Real Estate Agents. The app streamlines the processes of buying properties: helping with legal docs creation, Home Inspection analysis, and much more in the future.

Contract Length: 3-6 months, with the potential for in-house hire at Merge Rocks.

Key Responsibilities:

• Front-end Team Leadership: gather requirements and ensure that the application meets business goals. You will guide technical decisions, establish best practices, and conduct a code review for other Front-end developers.
• Architectural Design: Continue implementing new features into the technical architecture, ensuring it aligns with project needs and industry best practices.
• Development: Write clean, maintainable, and efficient code using TypeScript, Next.js, Zustand, and Supabase. Implement new features and enhancements. Promote and enforce best practices in coding standards, documentation, and development processes to enhance team efficiency and application quality.
• Database Management: Utilize Supabase to manage backend services, ensuring a strong understanding of database relations and efficient SQL queries for optimized data retrieval and manipulation.
• Collaboration: Work alongside with product managers and designers to translate business requirements into technical specifications, collaborate on UI/UX design to ensure efficient implmentation, estimating feature delivery.
• Problem-Solving: Proactively identify and resolve technical challenges that arise during development, ensuring timely delivery of high-quality features.

What we expect:

• Frontend Development: Strong skills in HTML, CSS (Tailwind), and modern frontend technologies (e.g., React, JavaScript). Experience with responsive design and building user-friendly interfaces.
• Proficient in TypeScript: Strong understanding of TypeScript, including advanced types and interfaces. Experience with type-safe programming practices.
• Expertise in Next.js: Deep knowledge of Next.js features such as server-side rendering, static site generation, and API routes. Experience with optimizing Next.js applications.
• State Management with Zustand: Familiarity with Zustand for state management in React applications. Ability to design efficient state management solutions for complex applications.
• Experience with Supabase: Proficiency in using Supabase for backend services, including authentication, database management, and real-time functionalities. Strong understanding of database relations and SQL for writing efficient queries and managing data structures in a PostgreSQL environment.
• API Integration: Ability to integrate third-party APIs and services into the application. Experience integrating third-party APIs (RESTful and GraphQL).
• Collaboration: Proficient with Git and collaborative development workflows (e.g., pull requests, code reviews).

Matoffo is looking for an experienced Full-Stack Developer (Python/React) to join our team. We welcome those who share our values, striving to grow professionally constantly and make things done.

About our client:

Client is a US based startup that organizes all info across your digital workspace and provides context for the projects, meetings, and people that matter to you. Product has all of your most important files, documents, conversations, and links organized by client, project, and team. It makes your daily activities much more comfortable.

What will you be doing:

• You will work with other team members to develop and support product functionality to achieve business goals;
• Maintain code and component library formulated using design patterns;
• Participate in code review, maintenance and refactoring, meeting new feature requirements and improving existing features;
• Participate in problem solving in a production environment;
• You will collaborate with other teams to understand the product vision and meet the requirements by developing the frontend functionality;
• Performing peer code-reviews and unit testing to ensure high-quality software.

We expect from you:

• 3+ years of experience with React, Redux;
• 3+ years of experience with HTML, CSS, and plain JavaScript;
• 3+ years of experience with Python;
• Experience with TypeScript is mandatory;
• Solid understanding of the SDLC and tooling (GIT, branching/merging, build systems, CI technologies);
• Understanding of state management (redux), HOCs, hooks;
• Experience working with remote data via REST and JSON;
• Strong knowledge of OOP, design patterns, SOLID;
• Experience with test driven development;
• Self-motivation with the ability to work in a team in a fast-paced environment;
• Ability to work independently, team player with strong communication and interpersonal skills;
• Ability to discuss and explain complex technical concepts to both engineers and non-engineers;
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon;
• An understanding of best practices and a commitment to following them;
• A positive mindset and can-do attitude;
• Experience working in an Agile environment;
• Upper-intermediate or higher English level, both spoken and written.

We are looking for a frontend developer.

Requirements:

• Commercial development experience of 6 months or more.
• Mathematical mindset and love for programming.
• Javascript/ES6.
• React.
• HTML/CSS layout.
• Git.
• Node.js (initial level).

As a plus to know:

• Docker; Webpack; MySQL; Redis; GraphQL.

We are looking for Middle or Senior full-stack dev to join our partners team, we are looking for someone who has early startup experience to join our all remote workforce in this journey to improve access to quality mental healthcare in the United States. You will get to build our platforms for clinicians and consumers with the modern stack of technologies and scale the software to 10X & beyond.

Responsibilities:

• Utilize expertise in Typescript, React, GraphQL, JS, and AWS event-driven architecture to develop and maintain critical features like clinical outcome-based care & monitoring and telemedicine, ensuring robustness through AWS services (API Gateway, EventBridge, SNS, SQS). Emphasis is on system-level work, providing architectural designs and decision inputs.
• Collaborate across teams to deliver scalable, efficient web experiences, leveraging your ability to influence architectural decisions for seamless operation.
• Uphold high engineering standards, actively contributing to architecture decisions and promoting best practices in system design, particularly in integrating AWS services for scalable.

Requirements:

• 4+ years of experience in building scalable web applications and backend services, with a bachelor’s degree in Computer Science or equivalent. Solid experience in AWS event-driven architecture and a proven ability to work at a system level, offering architectural designs.
• Strong proficiency in JavaScript, TypeScript, React, NodeJS, GraphQL, and microservice architecture, with a focus on designing scalable solutions using.
• Demonstrated capability in deploying tech stacks with Docker, Kubernetes, CI/CD pipelines (Jenkins or GitHub Actions), and cloud environments, especially AWS. A knack for system-level thinking and architectural design in cloud-based.
• Hands-on experience with relational databases (e.g., Postgres) and building loosely coupled Ability to influence architectural decisions and design patterns for efficient, scalable systems.
• A passion for improving mental healthcare, integrating system-level architecture considerations into project planning, and a track record of strong ownership and collaboration skills, with a commitment to influencing architectural decisions and promoting software development best.

What would set you apart:

• Experience building and scaling up multiple V1 applications from the ground;
• Experience with secure code guidelines, HIPAA and web accessibility (a11y).

The web and mobile applications allow for booking nurse services. The primary function of the mobile client is to order nurse service to take care of elderly patients. The patient is able to find the nearest nurse to his/her location and observe the services that the nurse provides and than make an appointment.

Responsibilities:

• Writing "clean", well-designed code;
• Defining solutions based on business requirements;
• Delegating technical tasks to other developers;
• Working with Jira and YouTrack;
• Taking part in requirements analyses, researching implementation ways, and possibilities;
• Analyzing and estimating implementation efforts.

Required skills and experience:

• Excellent knowledge of React & React Native;
• Able to write clean and high-quality Typescript code;
• Familiar with state management. React Query and Zustand in particular;
• Able to consume REST and GraphQL APIs;
• Being able to optimize code generation and collaborate on REST or GraphQL APIs;
• Familiar with writing tests, both unit tests and component tests;
• Upper-Intermediate or higher level of English;
• Fluency in Ukrainian.

Will be a plus:

• Knowledge of E2E testing;
• Experience with Fastlane to build & deploy apps;
• Having the knowledge required to write native modules in Obj-C/Swift or Java/Kotlin;
• Having a background in native iOS and/or Android development.