Вакансии Backend Developer

The position is part of the team, which has the mission to maximize retention of active customers. This division helps customers to create habits with our products, manage their subscription, order the products they love and provide help in the face of errors.
Backend Engineers assume development and operational responsibility for the HelloFresh platform that serves millions globally to deliver the best experience for our customers and internal users.

What you will do

• Take ownership of the architecture, design, development, deployment and operations of the microservices you will develop, using DevOps practices, pair programming and other cutting edge methodologies
• Be active, solution-oriented member of autonomous, cross-functional agile teams collaborating with Product Owners, Front-end Engineers, Designers, and Business Intelligence teams
• Having an in-depth understanding of HelloFresh’s core product and architecture, and act as ambassador for so ware solutions offering support and mentorship to colleagues
• Work with state-of-the-art technologies like Golang, Kafka, Docker, Kubernetes and more

What you need for this

• Solid back-end experience with Monolithic as well as Microservice and distributed event-driven architectural patterns
• 5+ years of Software experience, at least 3+ years with Golang
• Experience working with Docker and container orchestration technologies such as Kubernetes
• Experience in true Continuous Integration & Continuous Delivery
• Practical experience of TDD, BDD, DDD and distributed architectural patterns
• Background working with event-driven architectures using RabbitMQ and/or Kafka
• Experience working with relational and search databases, including PostgreSQL, Elasticsearch

Nice to have:

• Client and backend integration: Graphql (Nice to have and should be willing to learn)
• Familiarity with e-commerce and subscription-based businesses
• Experience with Kotlin and/or PHP
• Interacting with front-end developers, designers, product managers and our teams around the world is very much part of our day-to-day, so communication skills are vital. We are looking for strong problem-solvers who can apply their engineering skills to a wide range of platforms and environments, while also acting as an ambassador to coach team members and stakeholders

Ми створюємо високонавантажені програмні рішення для iGaming, що працюють на міжнародних ринках. Наша лінійка продуктів – це поєднання передових технологій, глибокої аналітики та інноваційних механік залучення користувачів. Ми шукаємо талановитого та амбітного PHP Developer, що буде розробляти новий функціонал для маркетингу, партнерських програм і адмін панелі, та підтримуюти існуючий.

Обов'язки:

• Розробка та підтримка проектів партнерської програми та інших внутрішніх проектів маркетингу.
• Написання чистого, ефективного та документованого коду на PHP 8.3
• Проектування та оптимізація баз даних MySQL
• Інтеграція з зовнішніми API та сервісами
• Розробка бекенд компонентів для веб-додатків з використанням фреймворків Yii2, Laravel або Slim
• Впровадження та оптимізація механізмів кешування з використанням Redis та Memcache
• Робота з чергами повідомлень RabbitMQ
• Участь у планування спринтів та оцінці завдань
• Впровадження та дотримання галузевих стандартів та best practices
• Написання модульних та інтеграційних тестів
• Участь у процесах розгортання та DevOps (Docker, Kubernetes, CI/CD)
• Моніторинг продуктивності та відстеження помилок через Grafana, Sentry, Graylog

Вимоги:

• Досвід комерційної розробки на PHP від 3 років
• Знання PHP 8.х
• Впевнене володіння хоча б одним із PHP фреймворків.
• Глибоке розуміння ООП, SOLID, патернів проектування, MVC
• Досвід роботи з реляційними базами даними (MySQL), написання складних запитів
• Розуміння принципів CI/CD
• Вміння писати тести та розуміння методологій тестування
• Базові навички роботи з Linux та командним рядком

Буде перевагою:

• Знання node.js і JavaScript, розуміння асинхронних запитів, або бажання розвиватися у цьому напрямку
• Можливість приїжджати в Київ на корпоративні заходи і тімбілдінги

We are the Hosting Team, and at the moment we are in the middle of creating new infrastructure for Shared Hosting as part of a huge company idea to rebuild.
We need a teammate to share our passion to build and improve hosting product, make it secure, manageable, and smart and easy for consuming.

What We're Looking For:

We are in search of an experienced Python Software Engineer who thrives in a dynamic, fast-paced environment. You'll be working on cutting-edge hosting microservices, automating workflows, and creating robust internal SDKs. If you live and breathe Python, have a knack for AWS services, and are fascinated by the intricacies of system architecture, you're the one we're looking for.

You will be involved into:

• Development and support of the Hosting microservices
• Development and support internal SDK
• Automation of processes
• Design and Develop of the new features for internal and external clients
• Stream a Service ownership
• Code review
• Be an active part of a team for Hosting product development

Your expertise:

• At least 4 years of professional experience
• Frameworks: Proficiency in Django, Flask, FastAPI
• Python ORMs: Hands-on with SQLAlchemy, Django ORM, PonyORM, or SQLObject
• Deep understanding of Python’s asynchronous programming features
• Hands-on experience with AWS services (e.g., S3, Lambda, RDS, Fargate, Cloudwatch, etc.)
• Proficiency in designing, developing, and deploying mid / large-scale applications
• Understanding of clustering, sharding and scaling techniques and principles.
• Experience with containerized applications Docker / Kubernetes
• Experience in the testing frameworks (Pytest, Unittest, etc.)
• Strong understanding of automated CI / CD principles
• Experience with OS Linux / Unix and understanding of network protocols (DNS, SMTP, TCP / IP, HTTP, TLS / SSL)
• Strong understanding of relational database engines MySQL and PSQL
• Expiriеnce in event driven programming, familiarity with one of queue brokers (Kafka, RabbitMQ, ZeroMQ, SNS+SQS, etc.)

Personal skills:

• Motivated for personal development
• Proactive
• Good communication skills
• Team player

Will definitely be a plus:

• Leadership or mentorship experience
• Hands-on experience with Golang or any other compiled language
• Experience with Web-Hosting control panels (cPanel, Plesk, ISPConfig)
• Skills in developing SPA applications using Node.js and HTML5
• Production experience with MongoDB, ElasticSearch, InfluxDB, Redis
• High load
• Contributing to public open source projects
• Understanding of the machine learning principles

We are seeking a skilled and motivated Middle Java Developer to join our team. The ideal candidate is self-motivating and has a passion for writing great code.
Innovecs is a global digital services company with a presence in the US, the UK, the EU, Israel, Australia, and Ukraine. Specializing in software solutions, the Innovecs team has experience in Supply Chain, Healthtech, Collaboration Tech, and Gaming.
For the fifth year in a row, Innovecs is included in the Inc. 5000, the list of fastest-growing private companies in the US, and a ranking of the best global outsourcing service providers by IAOP. Recently, Innovecs was honored with the prestigious Global Good Awards for the Employee Engagement & Wellbeing, won gold at the Employer Brand Management Awards, and was included in the Global Top 100 Inspiring Workplaces Ranking.

About the client:

Our client is a leading company in the supply of advanced technological services and systems for human resources management – payroll systems, human resources systems, attendance systems, pension savings, and more. The systems allow for full flexibility and operational independence, maximum transparency of information and data, and serve as a tool for the automation of organizational processes while abiding by the law, protecting sensitive information and the organization’s interests.

Requirements:

• 3+ years of relevant commercial experience in software development using Java.
• Deep knowledge of Java.
• Experience with: Spring Framework (Core, MVC, Security), Hibernate, Debugging, Source control systems, Maven, Jenkins, Application servers (Tomcat, WebSphere).
• Good understanding and experience in OOP / Patterns.
• Cloud Platforms.
• CI/CD.
• English – Upper-intermediate

Would be a plus:

• Oracle DB.
• Unix, Bash.
• SSH.
• Virtualization

Responsibilities

• Analyze requirements and contribute to project development.
• Take part in technical architecture and design.
• Cover existed and new code with Unit and integration tests.
• Perform code review.
• Server troubleshooting.

We are looking for a skilled C++ 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.
The ideal candidate will have extensive experience in C++ development and a strong understanding of database integration. You will work on designing, implementing, and maintaining high-performance software solutions in a collaborative environment.

Responsibilities:

• Develop and maintain software applications using C++, with exposure to DCOM and MFC.
• Collaborate with cross-functional teams to integrate and manage Oracle and PostgreSQL databases.
• Debug and optimize applications to ensure seamless functionality and performance.
• (Optional) Leverage C# expertise for interoperability and additional functionality.
• Provide technical support and documentation for developed solutions.

Requirements:

• Proficiency in C++ with hands-on experience in DCOM and MFC frameworks.
• Familiarity with C# is a plus.
• Experience working with relational databases such as Oracle and PostgreSQL.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.

Nice to have:

• Knowledge of software architecture and design patterns.
• Understanding of version control systems (e.g., Git).
• Familiarity with Agile development practices.

Overlap time requirements – till 10-11 am PST.

Our client is a leading Maritime AI™ company, offering a decision support platform to accelerate global trade. Stakeholders can make real-time, predictive intelligence-driven decisions with Windward’s insights and actionable visibility.

About the Role:

We are looking for a skilled Python Developer with a strong sense of ownership and maturity in evaluating and improving existing codebases. This role is ideal for someone who is not just a coder but a problem-solver – capable of critically analyzing current Python implementations and driving standardization and best practices across services.You will be part of a remote team based in Ukraine, working closely with an Israeli counterpart team in a microservices-based architecture. A key aspect of the role is collaborating with the Research team (Data Science and Data Engineering) and the Full Stack team – taking ideas from ideation all the way to production. Strong soft skills are essential: we’re looking for someone proactive, a clear communicator who can confidently collaborate with non-engineering peers, including pushing back and clarifying requirements when needed. This is an AI-first environment. We value engineers who actively incorporate AI tools into their daily workflow to enhance productivity, code quality, and delivery speed.

Required skills:

• Strong Python and SQL skills.
• Solid experience working in a cloud environment (preferably AWS).
• Experience with microservices architecture and service-to-service communication.
• Proven ability to design and build scalable systems from scratch.
• Advanced English communication skills (verbal and written).

Nice to have:

• Experience working with GraphQL APIs (client or server-side).
• Familiarity with Redis, PostgreSQL, SingleStore, Elasticsearch, MongoDB, and Amazon DocumentDB.
• Experience with PySpark, Docker, and PyTorch.
• Exposure to LLM testing, evaluation, and monitoring in production.
• Experience building and maintaining libraries/tools for Data Science teams.
• Comfortable with CI/CD tasks (e.g., Jenkins, Groovy)

Scope of work:

• Develop, maintain, and optimize Python services within a distributed microservices architecture.
• Collaborate with Data Science, Data Engineering, and Full Stack teams to productize research code into scalable production services.
• Build and maintain reusable internal libraries and tooling for Data Science teams.
• Propose and enforce internal standards and reusable design patterns across Python services and libraries.
• Work with MongoDB, Amazon DocumentDB, SingleStore, and Elasticsearch to develop scalable, data-driven services.
• Participate in system design and architecture discussions.
• Communicate clearly with cross-functional teams to align on design, expectations, and outcomes.

We are looking for a person to join us in growing our business and taking part in new, challenging opportunities. If you can quickly learn new technologies, see the “big picture”, strive to develop high-quality solutions, and work independently, it could be the perfect role for you.
We view technology as a tool and aren’t dogmatic about it. We use these tools to serve our Customers, and we love it when a hard issue can be solved in a simple, beautiful, and cost-effective way. This approach drives our technology choices today and will continue to do so in the future.

Requirements

• At least 4+ years of experience in software engineering
• Solid knowledge of Java8+, Spring Boot, and microservices architecture
• Commercial experience with Git, CI/CD tools, and Docker
• Familiarity with data structures, algorithms, and object-oriented design (OOD)
• Proficiency in working with both relational and non-relational databases
• Good estimation skills and the ability to come up with solutions and pros/cons
• Experience in designing, implementing, and delivering rich web applications
• Experience of working with documentation, software development lifecycle (SDLC), and ALM tools
• At least Upper-Intermediate level of English

Responsibilities

• Take on end-to-end responsibility for solutions, from gathering requirements, to ensuring quality, releasing to production, and providing support
• Be a team player and encourage equal participation, cross-functionality, and the growth of other team members
• Communicate efficiently and directly with stakeholders and provide support to the business side of the project
• Produce clean code and proactively review it with peers to ensure its quality
• Ensure software quality, maintainability, and compliance with best practices
• Participate in requirements clarification sessions, collect the inputs and requirements for assigned tasks
• Participate in estimation and planning sessions
• Support proposal preparation using your technical expertise
• Create technical project documentation and user documentation
• Participate in project and team meetings, providing relevant contributions and information
• Analyze given business issues, extract and document business requirements, and elaborate technical solutions
• Communicate with Customers on complex matters, participate in discussions and negotiations
• Participate in technical interviews of software developers and assess candidates’ capabilities against job requirements

DataRobot delivers AI that maximizes impact and minimizes business risk. Our platform and applications integrate into core business processes so teams can develop, deliver, and govern AI at scale. DataRobot empowers practitioners to deliver predictive and generative AI, and enables leaders to secure their AI assets. Organizations worldwide rely on DataRobot for AI that makes sense for their business – today and in the future.
DataRobot accelerates the process of building predictive models to get the most out of valuable data. We work hard to create tools that nascent data scientists can use effectively while also exposing the rich detail and control that data science veterans rely on. In order to keep up with the demand for new features in DataRobot, we’re looking to grow the team by bringing on a Senior Backend Engineer. The primary responsibilities of this team include developing and supporting new data science tools, designing and supporting our APIs, and instrumenting DataRobot to integrate with enterprise IT infrastructure. Our team leverages modern technologies to achieve our goals and innovate on our solutions.

Key Responsibilities:

• Develop, test, and support features of DataRobot.
• Create and maintain automated unit tests and functional tests.
• Design infrastructure for new features with the input of peers.
• Manage individual projects and milestones with abundant communication of progress.
• Seek, give, and receive critical feedback in a constructive manner, including but not limited to code reviews.
• Engage in engineering on-call escalated support of services owned by the team
• Competencies should be at a level where a manager can have high confidence in an engineer’s ability to deliver complex solutions on time on an agreed-upon roadmap and manage technical risks.
• Should be capable of working with product management to get requirements and drive technical feedback on complexity/approaches.

Knowledge, Skills & Abilities:

• 5+ years of proven experience writing high-quality code in a collaborative environment preferably using Python and/or Go
• Strong Computer Science fundamentals in object-oriented design, data structures, algorithm design, problem-solving, and complexity analysis.
• An understanding of design for scalability, performance, and reliability.
• Deep experience with automated testing and test-driven development
• Demonstrable knowledge of software architecture for large systems
• Real-world experience decoupling monolithic software into smaller reusable components
• Self-motivated and proactive, able to take ownership and deliver results.
• Ability and willingness to learn about new technologies.
• Personal drive to get things finished.
• Effective communication behavior.
• Fundamental understanding of Kubernetes and Helm. Experience in building and running software systems on Kubernetes clusters in production
• Hands-on experience with infrastructure provisioning and configuration using Infrastructure as Code (IaC) principles

Nice to have:

• Experience with AWS, Azure, and/or Google Cloud platforms
• CKAD (Certified Kubernetes Application Developer) certification
• Publicly reviewable contributions to interesting development projects.
• Experience supporting user-facing code and APIs.
• Data Science experience
• Identity and Access Management experience
• CI/CD pipeline experience

Our fast-growing team of marketers, salespeople, data nerds & web developers is on a mission to take over online shopping. We're a confident, dynamic, and hardworking group with a zeal for selling cool things and solving complex problems.
If innovation is one of your passions, you thrive when collaborating in a team, and you are ready to embrace every challenge with vigor and determination, then you will fit right in at CommerceCore! If you are fast-paced, have excellent programming skills, and have a passion for the eCommerce world, we would love to meet you.

What we use:

• BE: Laravel; WordPress; MySQL; Redis
• FE: React;

What you will do:

• Be responsible for the server side of our web applications, building eCommerce tools and analytics applications;
• Design & develop various eCommerce systems & platforms while collaborating with product managers;
• Work with various services and APIs;
• Configure & launch site monitoring services;
• Take ownership for implementing and managing Continuous Integration and Continuous Deployment (CI/CD) pipelines, ensuring that software is developed, tested, and deployed efficiently;
• Ensure websites stability, High Performance, caching & optimisation;
• Improve our tech stack, tools, and processes;
• Speed is a key: build and deploy software that is delightfully fast.

What we expect:

• Experience in PHP/MySQL, eCommerce CMS platforms, API integrations, PHP MVC frameworks, Laravel, (Symfony would be considered as a plus);
• Ability to get the hang of new technologies and APIs very quickly;
• Good understanding of CI/CD concepts and tools;
• Interest in and knowledge of new trends and technologies within the field;
• Willingness to work and learn performance marketing.