Вакансии Fullstack Developer

Our client started as a small team of developers determined to bring trust and transparency to car shopping. Since then, their innovation and go-to-market acceleration history have driven industry-leading growth.
The product is the largest and fastest-growing automotive marketplace, and they have been profitable for over 15 years. We are here for them to fulfill their mission and give people the power to reach their destination.

If you are

• Proven in Java development, ideally gained in a fast-paced environment
• Experienced with JavaScript, TypeScript, and React
• Proficient in writing well-structured, high-performance code for scalable web applications and APIs
• Knowledgeable in database design, with experience in both SQL and NoSQL systems
• Familiar with cloud platforms like AWS or comparable alternatives
• Skilled in CI/CD workflows and containerization using tools like Docker
• Independent and self-directed in handling tasks with minimal supervision
• Fluent in English at an intermediate level or higher for effective team collaboration
• Experienced with platforms such as Twilio, Iterable, or similar cloud communications solutions (would be a plus)

And you want to

• Collaborate with cross-functional teams, including engineers, product managers, and designers, to identify, address, and solve technical challenges in a supportive and professional environment
• Build and integrate RESTful APIs and backend services that are secure, efficient, and well-documented
• Develop clean, thoroughly tested, and optimized code
• Contribute technical expertise during architectural design reviews and provide hands-on mentorship
• Implement and evolve a communications platform that enables email and SMS communications

N-iX warmly welcomes an experienced Senior Java Engineer to join our talented team.
Our client brings extensive experience to EHR implementation and workflow redesign to improve clinical care. The company evolved as clinical needs and technology became more sophisticated, and with that, a greater demand for the ability to move health information efficiently and effectively. Our team provides unmatched expertise in interoperability, health information exchange and Direct services.

Responsibilities:

• Write application, service, and system code following SES secure coding guidelines.
• Code, test, and troubleshoot applications and services using appropriate technologies and tools.
• Maintain and enhance existing applications by modifying program specifications, designing detailed programming logic, and implementing approved changes.
• Translate logical system and application specifications into physical system and application design
• Evaluate complex interdependencies between applications and services to ensure that changes in one do not cause unintended effects in others
• Write and execute unit tests; contribute to automated testing efforts to ensure software quality.
• Assess and implement improvements to processing efficiency within application systems. Analyze performance of applications and take action to correct deficiencies.
• Write and maintain comprehensive application and system documentation.
• Collaborate with team members and users to gather requirements, handle change requests, and develop effective solutions.
• Help define user stories and develop detailed plans to guide the team’s work.
• Participate in Agile development processes, contributing to sprints and collaborating with team members.
• Provide input during planning sessions and support team goals.
• Actively learn and apply new technologies to enhance user experience and improve productivity.
• Mentor junior members of the development team.

Requirements:

• 7+ years of commercial experience developing applications in a Microsoft, Java, or web services environment.
• 5+ years of hands-on experience developing solutions using Java technologies and frameworks, particularly JDBI, Hibernate, or similar ORM frameworks.
• 5+ years of experience working with cloud technologies, preferably AWS (e.g., S3, Lambda, RDS, DynamoDB, SQS, OpenSearch). Experience with Azure or other cloud providers is a plus.
• Experience with relational databases (e.g., PostgreSQL) and exposure to NoSQL databases.
• Familiarity with DevOps practices, including CI/CD pipelines, GitFlow, and collaborative DevOps responsibility.
• Experience with infrastructure as code tools like Terraform.
• Experience using IntelliJ IDEA and GitHub for development and version control.
• Familiarity with healthcare data integration technologies (e.g., HL7, JSON, XML), and an understanding of interoperability standards and SQL/database principles.
• Experience with front-end technologies such as React, jQuery, jQuery UI, and AJAX.
• Experience interpreting software specifications and participating in the design, development, and testing process.
• Experience developing high-throughput transactional systems, handling concurrency in distributed applications.
• Hands on experience designing cloud architectures, microservices, or event-driven architectures and distributed systems
• Ability to quickly learn and adapt to SES environment and clinical data exchange standards.
• Excellent problem-solving abilities and a willingness to continuously learn.
• Strong organizational skills with the ability to prioritize tasks, meet deadlines, multitask, and pay close attention to detail.
• Strong verbal and written communication skills, with the ability to ask insightful questions and actively listen.

Would be a plus:

• HIPAA Awareness
• AWS Certified Solutions Architect - Associate or others
• Familiarity with encryption, digital signatures and Microsoft Crypto API
• Python knowledge

Ciklum is looking for a Middle Full Stack Engineer (.NET+Vue.js) to join our team full-time in Ukraine.
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Middle Full Stack Engineer (.NET+Vue.js) , become a part of a cross-functional development team engineering experiences of tomorrow.

About the project:

You will become a part of a positive, engaged, and motivated team of strong professionals based in Ukraine, England and Europe centers. We offer a unique, very friendly, and supportive working environment where you communicate and work directly with the UK and European stakeholders.
You will work with the latest cloud technologies in our technical stack:

• AWS
• C# and .Net core
• xUnit/NUnit, PACT testing

We recognize the value of peer code reviews, regular knowledge sharing, and training sessions, you will also have an ability to participate in a variety of tech communities within a company, such QA, Serverless,.NET guilds, and so on. We care about the mental health of employees, you will have a power hour reserved in your daily calendar which you can use to exercise, meditate or restore your energy as you wish. We offer personal and professional growth and formal performance evaluation process, tasks differentiation according to personal and self-development goals.

Responsibilities

• Back-end development to meet customer’s business needs and implement components according to modern software development environment (cloud-based platforms, microservice architecture, etc.)
• Front-end development to meet customer’s business needs
• Taking part in the decision-making process in design application architecture, solution development, architecture and code review
• Develop and review feature design documents and provide inputs/update to specifications for the solution
• Design and implement a set of various types of tests (unit, integration, functional, etc)
• Proactive position in solution development, processes improvements
• Working in an international distributed team in an Agile environment
• Communicate with PMs, engineers, Architects, QA and other colleagues and stakeholders
• Delivering the product roadmap and plannings
• To use high coding standards, software best practices and write highly testable, automatable and performant code over the whole SDLC

Requirements

• Experience in software development for more than 5 years
• Excellent knowledge in Computer Science, Computing Theory:
  • Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
  • Database theory (RDBMS, NoSQL)
  • Code testing practices
  • Algorithms
  • Data structures
  • Architectural, Enterprise and Design Patterns
  • Security patterns, Reverse engineering resistance, Common attacks types (OWASP)
• Understanding of network interactions:
  • protocols
  • conventions (e.g. REST, RPC)
  • authentication and authorization flows
  • standards and practices (e.g. oAuth, JWT)
  • Excellent knowledge and experience in C# and .NET
  • Good knowledge of Vue,js
• Practical commercial experience with:
  • REST API development
  • .NET Framework, .NET Core, ASP.NET (Core, MVC, WebAPI) (more than 3 years)
  • Testing frameworks (e.g. e.g. NUnit, XUnit, MSTest) (more than 2 years)
  • Messaging systems (e.g. RabbitMQ, Azure ServiceBus, Apache Kafka, Active MQ, AWS SQS, Google Pub/Sub)
  • Web Servers
  • Version control systems (GIT)
  • Cloud computing platforms (e.g. Microsoft Azure, AWS, Google Cloud Platform)
  • Docker
  • Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo)
  • Builders
• Experience with:
  • Troubleshooting, profiling and debugging applications
  • Creation software architecture and design of complex applications, platforms, microservices solutions
  • Agile software processes and technologies
  • Code Review process
  • Refactoring process

Personal skills

• Perform a broad range of complex technical or professional activities, in a variety of contexts
• Investigate, define and resolve complex issues
• Able to work in distributed cross-functional teams effectively
• Influence customers and team members on the project level
• May supervise others or make decisions which impact the work assigned to individuals or phases of projects
• Plan, schedule and monitor your own work (and of others where applicable) competently
• Have learning agility (readiness for challenge and being open to change)
• Confident Intermediate English (or higher) is a must

We are looking for a proactive Middle Full-Stack engineer for a large-scale logistics and maritime industry project. The project focuses on developing innovative software solutions to optimize cargo operations, improve efficiency, and streamline logistics processes for ports and terminals worldwide.

Requirements:

• 3+ years of experience with JavaScript and TypeScript
• Experience with Node.js in a backend environment
• Experience with React
• Solid understanding of RESTful APIs and backend architecture
• Familiarity with version control tools, especially Git
• Strong problem-solving skills and attention to detail
• Excellent communication and teamwork abilities
• English proficiency at least at an intermediate level.

Our client provides a platform for centralized product information and digital asset management, streamlining content organization, distribution, and collaboration between brands and retailers.

Responsibilities:

• Design, develop, and maintain scalable full-stack solutions.
• Collaborate with product managers and developers to deliver high-quality features.
• Ensure seamless integration of frontend and backend components.
• Enhance system performance, scalability, and security.
• Stay up to date with industry trends and emerging technologies.

Requirements:

• 5+ years of experience in Python and Django development.
• 3+ years of experience with PostgreSQL or similar RDBMS, including SQL query optimization.
• 1+ years of experience with Angular.
• Hands-on experience with cloud platforms (AWS, Azure).
• Strong understanding of REST API protocols.
• Experience with asynchronous frameworks (Aiohttp, FastAPI, or similar).
• Proficiency in HTML, CSS, SCSS, JavaScript, and TypeScript.
• Experience working with REST and GraphQL APIs.
• Ability to implement pixel-perfect UI designs.
• Strong Intermediate level of English.

Join our AI Assistant Platform team as a Full-Stack Developer. You'll work on a high-impact system that empowers developers across Wix by building internal tools and infrastructure, enabling widespread AI adoption. This is a hands-on role where you’ll collaborate with engineers, product managers, and researchers from both the Frontend and Backend Guilds.

In your day-to-day you will:

• Architect and implement end-to-end solutions using React, TypeScript, and Node.js
• Design and build internal APIs and tooling that power AI-driven features across multiple products
• Develop and maintain scalable backend services and intuitive, data-rich dashboards for internal users
• Collaborate closely with AI researchers, product managers, and engineers across Frontend and Backend guilds
• Lead technical decisions that shape the platform’s scalability, reliability, and developer experience
• Drive improvements in code quality, performance, and maintainability through reviews and refactoring
• Facilitate integration of AI capabilities into product development by creating reusable infrastructure components

Requirements

• 4+ years of experience in full-stack, frontend or backend development
• Proficient in JavaScript and TypeScript
• Experienced in building applications with React and Node.js
• Skilled in designing and consuming REST APIs or gRPC services
• Familiar with SQL or document-based databases (e.g. MySQL)
• Curious about AI and eager to build tools that empower users
• Experience with Kafka or other event-driven systems – an advantage
• Background in building internal tools or developer platforms – an advantage

A company tackling loneliness is seeking passionate teammates! They've built a powerful evidence-based community that empowers organizations to fight the negative impacts of social isolation on health, costs, and engagement. Their secret weapon? Curated connections based on shared experiences, fostering personalized peer support. With over a million people already finding connection through their platform, they're looking for individuals who share their mission to create a significant product that improves lives. Is this your chance to make a real difference?

What makes you a great fit

• At least 5 years of experience in the development of cloud-based products
• Experience working in multi-disciplinary teams
• Experience working with task management software (e.g., Jira)
• At least 2 years of managing/defining technical activities of other people
• Strong understanding of good user experience (UX) principles and the ability to implement UI designs effectively
• Good understanding of architectural and design patterns for both client and server
• Working experience with any kind of databases, preferably NoSQL
• Level of spoken English: at least an upper-intermediate

Experience with:

• Client-side technologies:
  • Must: React, SCSS, CSS
  • Bonus: Next.js, MobX, Socket.IO/Pusher
• Server-side technologies:
  • Must: Node.js
  • Bonus: MongoDB, MongoDB Atlas, Express, Mongoose
• Programming languages (must): TypeScript and JavaScript
• Bonus cloud tech: Firebase, AWS cloud services (ECS, CloudFront)
• Local development tools:
  • Must: npm, ESLint, Prettier
  • Bonus: IntelliJ IDEs, Docker, Postman
• Development cycle tools: GitHub
• Monitoring tools (e.g., Kibana, Sentry, Datadog, NewRelic, etc.)

Your day-to-day in this position

• Develop and maintain full-stack features using React, Node.js, and TypeScript
• Collaborate with product, design, and QA teams
• Review code, mentor teammates, and help define technical tasks
• Implement a clean, responsive UI based on UX designs
• Build scalable backend services and work with NoSQL databases (preferably MongoDB)
• Use modern development tools (GitHub, ESLint, Docker, Postman, etc.)
• Monitor performance and troubleshoot using tools like Sentry or Datadog
• Continuously improve code quality, processes, and user experience
• Participate in agile ceremonies and team planning

Стабільний розвиток спеціаліста можливий лише за умови стабільності його команди. Ми в NIX шукаємо Middle FullStack (Python) Developer і впевнені: у нас такий фахівець продовжуватиме професійно зростати і зможе досягати нових кар’єрних вершин.

Що на тебе чекає:

• Розробка інтерактивних веб-систем та сервісів.
• Дотримання найкращих практик написання коду з використанням сучасних підходів та патернів.
• Створення як frontend, так і backend компонентів веб-застосунків.
• Активна співпраця з розподіленими командами.

Що тобі знадобиться:

• Рівень англійської мови Upper-Intermediate.
• 3+ роки досвіду в комерційних проєктах.
• Глибоке розуміння концепцій Python та JavaScript (Typescript).
• Глибоке розуміння розробки REST-сервісів з використанням веб-фреймворків FastAPI/DRF/Flask.
• Комерційний досвід взаємодії з React або Vue.
• Глибокі знання реляційних баз даних (PostgreSQL, MySQL).
• Практичний досвід з Continuous Integration та Continuous Deployment.
• Використання і розуміння контейнеризації (Docker).
• Досвід взаємодії з однією з хмарних платформ (AWS, GCP або Azure).
• Комунікаційні та переговорні навички.
• Здатність до швидкого навчання та орієнтація на результат.

Буде перевагою:

• Практичний досвід з методологіями Agile-розробки.
• Розуміння монолітної та мікросервісної архітектур.
• Досвід взаємодії з Kubernetes.

У IT-команді NIX кожен може реалізувати себе – навіть початківець із мінімальним досвідом. Зараз ми у пошуку Junior Java Developer, який отримає всі необхідні можливості для потужного старту.

Що тобі знадобиться:

• Пристрасть до навчання та бажання постійно вдосконалювати свої навички.
• Відмінне знання принципів об’єктно-орієнтованого програмування, зокрема на Java.
• Розуміння функцій Java Core.
• Досвід написання модульних тестів для забезпечення якості коду.
• Навички взаємодії з реляційними або NoSQL базами даних.
• Ознайомленість з поняттями Spring framework.
• Розуміння HTTP/HTTPS і RESTful API.
• Досвід з Git або схожими системами контролю версій.
• Практичний досвід з такими інструментами для створення проектів, як Maven або Gradle.
• Готовність навчатися та розвиватися до рівня Full Stack інженера, працюючи з різними технологіями поза Java для вирішення складних інженерних задач.
• Впевнене володіння технічною англійською для розуміння документації та чіткого вираження своїх ідей.

Буде перевагою:

• Знання Spring Boot та його функцій.
• Розуміння інструментів об’єктно-реляційного відображення (ORM), таких як Hibernate.
• Дотримання встановлених принципів проєктування – DRY, KISS, YAGNI та SOLID – для підтримки та масштабування коду.
• Досвід використання Docker або інших інструментів контейнеризації.
• Знання JavaScript і базове розуміння інтерфейсних фреймворків, таких як Angular або React.

Етапи випробувального терміну:

За перші місяці роботи ти поетапно здобудеш знання та навички, необхідні для успішної роботи на реальному проєкті. Ментор та команда будуть поруч, щоб підтримати тебе.

• Стандартизація знань та умінь
  • Перш за все, ти опануєш структуровану навчальну програму. Вона допоможе здобути/систематизувати знання, що відповідають найкращим галузевим практикам і внутрішнім стандартам NIX для інженерів Java.
• Персоналізація навчання
  • Ми разом оцінимо твої знання та виявимо потреби згідно до стандартів, після чого персоналізуємо навчальну програму. Тобі гарантовано умови, необхідні для продуктивного зростання та комфортної адаптації в команді.
• Індивідуальний план розвитку
  • Твій ментор розробить покроковий план, в якому будуть зафіксовані необхідні навички, знання та потенційні зони зростання. Цей план стане твоєю “дорожньою картою” на шляху до професійного успіху.
• Опанування технологій
  • Під час випробувального періоду ти зможеш вивчати технології та підходи, включені в індивідуальний план розвитку. Якщо ти потребуватимеш доступу до онлайн-курсів / технічної документації / наставництва старших розробників тощо, ми забезпечимо необхідні можливості та доступи.
• Практичний досвід
  • На всіх етапах випробувального періоду ти отримуватимеш завдання, щоб закріпити набуті знання та навички на практиці. Такий підхід допоможе подолати професійні бар’єри, навчитися акумулювати знання та набути необхідної експертизи для роботи на реальних проєктах у складі команди.

Активна участь та відкрите спілкування є гарантом успішного випробувального періоду. Пам’ятай: ми завжди відкриті до твоїх ідей та пропозицій, і готові надати відповіді на всі хвилюючі питання. NIX зацікавлений у створенні комфортного навчального і робочого середовища, де ти зможеш реалізувати свій професійний потенціал на повну.