Вакансії Backend Developer

We are looking for a skilled Software Engineer with expertise in C and C++ programming, Linux OS, and a solid understanding of networking protocols to join our growing networking project for a Fortune 100 client. This is the chance to work with a diverse and highly experienced team, creating innovative solutions for the next generation of scalable and efficient data centers. In this role, you will collaborate closely with the client’s team to tackle their challenge in transitioning from manual testing processes to fully automated systems. You will also develop new features while utilizing advanced technologies like SAI and SONiC.
At PLVision, we provide a rewarding environment where you can thrive and transform your ideas into impactful software solutions and products. Join us and enjoy a consistent career while contributing to innovative open networking technologies!

Responsibilities

• Develop and test software to optimize SAI/SONiC performance on new platforms
• Maintain design documentation to support software modifications
• Ensure SAI/SONiC features (components) are implemented and documented according to requirements
• Collaborate closely with the testing team to provide a development perspective
• Ensure all functionality is implemented on time and meets defined quality metrics

Requirements

• Extensive knowledge of the Linux OS
• Strong understanding of networking protocols, including Layer 2 or Layer 3 protocol implementation and TCP socket programming
• Proficiency in C and C++ programming
• 3+ years of commercial experience in Software Engineering
• Proficiency in technical English at an Intermediate level or higher

Would be a plus

• Experience with SAI/SONiC implementation and integration
• Experience in Linux networking
• Familiarity with virtualization and containerization technologies
• Understanding of CI/CD processes

Pwrteams is looking for a Senior .NET Developer to join our lovely team!
Our client is a global tech company at the forefront of the e-commerce revolution. They are the leader in phone recycling and the most outstanding third-party seller on Amazon. Besides this, they also specialise in media, books and games consoles. You’ll have a chance to join the core part of cross-functional teams working with the business. Each of these teams owns a range of platforms. You’ll be working on features, enhancements, and general tech-related updates. From day-to-day, you’ll closely interact with Product Owners, Testers, and external stakeholders to establish and work toward achievable goals.

What you'll do:

• Develop new features, make improvements and general tech related updates.
• Building .NET Core applications using Net Core, APIs, MySQL, MVC.
• You will be in direct contact with our customer’s executives and actively participate in problem-solving.

What we're looking for:

• 5+ years of software experience;
• Experience building Web based .NET Solutions;
• Experience with Xamarin or MAUI (or similar technologies);
• Experience with CI and Automation tools and delivering in a CI/CD environment;
• Experience in TDD;
• Designing and interacting with Restful APIs and data stores.

Nice to have:

• Experience with Git, GitHub/Azure DevOps;
• Knowledge of Azure PaaS services;
• Desire to work with Vue.js, MVC, HTML, React.JS, JS;
• Familiarity with agile environments.

Kyivstar TV invites a Java Developer (middle) to ensure the development of projects and support work processes in the company.

Required skills:

• 3+ years of commercial strong Java experience, Java 8+ knowledge;
• experience with Spring framework not SpringBoot, also (SpringBoot, Data, Security);
• experience with MongoDB, Redis;
• experience with search engines (Elasticsearch, Solr);
• experience with Docker (mandatory) and Kubernetes (advantage);
• experience with message brokers (RabbitMQ, SQS/SNS);
• knowledge of SOLID/GRASP OO design principles;
• understanding of tomcat servlet container;
• experience in clean code techniques, refactoring and testing.

Nice to have:

• Experience in Cloud Computing Platforms (AWS/aws-sdk);
• Java or any cloud Certification;
• experience in working with distributed and high-availability systems;
• ability to adopt new technologies fast;
• excellent communication, attitude and teamwork skills;
• ability to function both independently and in a large team;
• passion towards making great products.

Responsibilities:

• development of new functionality for the platform;
• optimization of current functionality;
• сovering existing code with tests;
• analysis and data collection for further decision-making on optimization of certain parts of the application;
• refactoring existing code / refactoring modules;
• migration from jersey servlet api to spring web api;
• migration from Morphia to Spring Data;
• migration from Scala to Java;
• business requirements analysis and solution planning;
• writing technical documentation / working on diagrams of system components;
• participation in the design and optimization of architectural solutions;
• manual testing (dev-testing) to establish that each element of the software meets the requirements and identifying defects.

NERDZ LAB is looking for a Back-End Developer to join our team full-time. The ideal candidate is a highly resourceful and innovative developer with extensive experience in PHP programming language and Laravel framework.

Skills and qualifications:

• 2+ years of experience in PHP, Laravel;
• Experience with Amazon Web Services infrastructure;
• Familiarity with Git in a team;
• Experience working with API integrations for 3rd party services;
• Experience with MySQL;
• Basic knowledge of HTML/CSS;
• The ability to understand someone else’s code;
• Ability to solve problems and make decisions with limited information;
• Intermediate or higher English Level.

Will be a plus:

• SaaS development experience;
• Experience with AWS;
• Experience with Laravel Nova.

Ми шукаємо Senior Back-end Developer на борт нашої команди тіммейтів. Якщо ти захоплюєшся створенням надійних систем і отримуєш задоволення від написання чистого та ефективного коду, це твій шанс засяяти. Занурся в наш стек провідних технологій, переважно PHP, і допоможи зробити продукти MOJAM найкращими у світі.

Твої задачі:

• Працювати над доменами платежів, антифроду та аутентифікації в наших застосунках (з потенціалом для розширення).
• Будувати та наставляти команду для підтримки цих доменів.
• Виконувати продуктові завдання:
  • Зосереджуватись на критичних шляхах користувачів;
  • Розробляти нові функції;
  • Підтримувати та вдосконалювати наявні функції;
  • Інтегрувати сторонні сервіси.
• Вирішувати технічні виклики:
  • Покращувати якість коду для підвищення стабільності, UX та швидкості розробки.

Твої суперсили:

• 5+ років досвіду в бекенд-розробці;
• 2+ роки досвіду з PHP;
• Високий рівень володіння англійською (B2+);
• Досвід роботи з такими фреймворками, як Yii2, Laravel або Symfony;
• Знання SQL баз даних, кешів і черг (ми використовуємо MariaDB і Redis);
• Навички написання unit-тестів;
• Досвід роботи з віртуалізацією (Docker);
• Розуміння патернів розробки та архітектури ПЗ;
• Орієнтація на цінність продукту понад інженерну досконалість.

Буде перевагою:

• Знаєш про DDD і TDD;
• Досвід у створенні модульних/сервісно-орієнтованих додатків;
• Маєш широкі знання баз даних;
• Розуміння комп’ютерних наук (алгоритми та структури даних);
• Досвід роботи з Kubernetes і AWS;
• Працював з фінансовими системами, системами аналітики ризиків або системами аутентифікації;
• Знайомий з сучасними не-PHP мовами (TypeScript, Python, Go, C# тощо);
• Активний на GitHub.

Mirko Solutions is a young team of charged people, ready to work for results. We provide a full range of services in the development and support of websites, platforms, CRM, applications for Android and iOS.
We continue growing rapidly, so now we are looking for a proactive and seasoned PHP (Symfony) developer.

Main requirements:

• 2+ years of commercial experience with PHP;
• knowledge of PHP 8 and Symfony 5;
• experience with API platforms;
• experience with CodeSniffer, PHPStan;
• work with coordinates in database and MACH methods;
• proven experience with EasyAdmin, Docker;
• knowledge of RabbitMQ, Redis, S3 bucket;
• Upper-Intermediate level of English.

Will be a plus:

• experience with Symfony 6;
• experience with creating scripts to import data.

We are seeking a skilled Node.js AI Developer to contribute to our innovative projects.

Our main requirements are:

• Experience in hands-on programming 3+ years;
• Experience with Node.js (Vanilla/Typescript) ;
• Experience with NestJS also and/or NextJS and/or Express;
• Strong creating with SQL/NoSQL databases efficient design from scratch as well as performing optimizations;
• Strong knowledge of Computer Science: data types, data structures, algorithms;
• Being proficient working on modern tech stack: Docker, Kubernetes, CI/CD, IaC (e.g. Terraform), Ansible, etc.;
• Having a wide strong background working with AWS (smth beyond EC2 and S3);
• Understanding and applying software design principles;
• Experience designing software systems (distributed, high availability, resilient);
• Comfortable working with Agile and Design Thinking (however understanding that pure Agile is a myth);
• Strong communication skills in English (B2 and higher).

Will be considered as a plus:

• Experience with Python;
• Experience with modern SPA frameworks like React/Vue.js/Angular;
• Experience writing technical documents, tracking technical debt, understanding refactoring, etc.;
• Experience working with AI libraries and/or 3rd parties like chatGPT, Claude, Gemini.

The project's purpose is to develop a comprehensive sophisticated solution to drive negotiations between USA healthcare system players.
Key technical aspects: Complicated code base, service-oriented architecture, infrastructure as a code, low downtime, SOC2 compliance, release planning.

Job highlights:

• Possibility to work with microservice architecture using modern technologies.
• Possibility to work in an agile team using scrum methodology.
• Development is being done in accordance with all quality standards.
• An opportunity to work as a full-stack developer at will.

Responsibilities:

• Developing new functionalities with well-written acceptance criterias.
• Communication with a client about new features, and their feasibility.
• Preparing technical acceptance criterias for stories.
• Designing technical solutions for different client initiatives.

Qualifications:

• 4+ years of software development experience;
• Experience with Java & Spring framework;
• Understanding the principles of OOP, SOLID and the ability to apply them in practice;
• Knowledge of the principles of clean code and the ability to apply them;
• Secure Coding Practices;
• Experience in unit- or system testing;
• Experience with DB (PostgreSQL, MSSQL, MySQL, etc.);
• Level of English Upper-Intermediate and above.

About the Product:

proteanTecs is a game-changing startup redefining the way advanced electronics monitor their own health. In a world driven by AI, cloud computing, and autonomous systems, reliability isn’t optional – it’s essential. But how do you ensure peak performance and prevent failures before they happen?
That’s where proteanTecs comes in. The product provides real-time visibility into next-gen chips while they operate, using cutting-edge on-chip monitoring, machine learning, and predictive analytics. The technology helps companies build smarter, more resilient, and more efficient computing systems – eliminating blind spots and unlocking deep insights like never before.
The solution is already trusted by industry leaders in data centers, automotive, communications, and consumer devices.

About the Role:

proteanTecs is looking for a talented Senior Java Engineer to join the ride as we spearhead the next revolution in electronics. Your work will directly contribute to making electronics smarter, safer, and more reliable – powering everything from data centers to autonomous vehicles. As part of a fast-paced startup, you’ll take on diverse challenges, adapt quickly, and see your solutions shape the future of technology. You will be involved in end-to-end feature delivery alongside a team of 200+ industry-leading professionals who are passionate about innovation and knowledge-sharing. You’ll be working with cutting-edge tools, machine learning models, and advanced platforms to push the boundaries of what’s possible.

Key Responsibilities:

• Develop and maintain robust, scalable, and secure Java-based software solutions
• Collaborate with product managers, architects, and other engineers to design and implement new features
• Build and optimize data processing pipelines for high-volume analytics applications
• Ensure software quality through code reviews, unit testing, and integration testing
• Participate in architectural decisions, contributing to the design of cloud-based systems
• Monitor and optimize system performance to meet scalability and reliability goals
• Troubleshoot, debug, and resolve issues in development, staging, and production environments.

Required Competence and Skills:

• BA or B.Sc in Computer Science or an equivalent field
• 5+ years of hands-on experience in Java development
• Strong understanding of object-oriented programming, design patterns, and clean code principles
• Familiarity with database systems (SQL/NoSQL) and query optimization techniques
• Knowledge of cloud platforms (AWS, Azure, GCP) and microservices architecture
• Experience with Spring Boot and the Spring Framework ecosystem
• Experienced with JPA (Hibernate – advantage)
• Strong understanding of REST API
• Excellent problem-solving skills and a proactive attitude
• Strong communication skills and the ability to collaborate in a team environment

Nice to have:

• Experience with Python is a strong advantage
• Experience with streaming or messaging services (Kafka, RabbitMQ)
• Knowledge of monitoring tools such as Grafana, Prometheus, or ELK Stack
• Hands-on experience with containerization and orchestration (Docker, Kubernetes)
• Familiarity with big data technologies like Apache Flink or Spark
• Experience in performance optimization and distributed systems.