Jobs Backend

986
  • · 85 views · 22 applications · 15d

    Senior Full Stack Node.js Developer

    Full Remote · Ukraine · 5 years of experience · English - B2
    Check Point is looking for Senior Full Stack Node.js Engineer to team in the network security field, striving to provide the leading SASE platform in the market. Our innovative approach, merging cloud and on-device protection, redefines how businesses...

    Check Point is looking for Senior Full Stack Node.js Engineer to team in the network security field, striving to provide the leading SASE platform in the market. Our innovative approach, merging cloud and on-device protection, redefines how businesses connect in the era of cloud and remote work. Our team values collaboration, flawless execution, and an agile mindset. We offer continuous learning opportunities, including access to training programs, conferences, and workshops to help you grow professionally.

    Join us and be part of a team that values innovation, collaboration, and excellence in cybersecurity!

     

    RESPONSIBILITIES

    • Take ownership of the end-to-end development process for software components/services, including research, design, development, testing, rollout, and monitoring.
    • Contribute to key technological and architectural decisions to drive innovation and scalability.
    • Mentor and guide other engineers within the team through activities such as code reviews, dedicated sessions, and pair programming.
    • Analyze and enhance the efficiency, scalability, and stability of various system components.
    • Collaborate closely with Designers, Product Managers, and Software Engineers to ensure the delivery of high-quality products to our customers.

     

    SKILLS

    • 5+ years extensive experience with Node.js/React/TypeScript.
    • Proven track record of designing and building native-cloud web applications from scratch on AWS.
    • Strong understanding of microservice architecture, including serverless (lambda).
    • Experience working in Agile scrum teams.
    • Solid grasp of design patterns, software development techniques, and clean code practices.
    • A team player with a proactive and can-do approach.
    • Experience with Test-Driven Development (TDD) and Behavior-Driven Development (BDD) is a plus.
    • Bachelor’s degree in computer science/engineering.
    • Upper-Intermediate level of English.

     

    WE OFFER

    • Work in a creative friendly environment using cutting-edge technologies.
    • Work-life balance and flexible schedule.
    • Competitive compensation with focus on your expectations; annual salary review.
    • 24-day paid vacation and 100% paid sick leave.
    • Professional, language and soft skills trainings.
    • Health insurance coverage: individual and family, Fitness plan.
    More
  • · 160 views · 34 applications · 15d

    Backend Tech Lead

    Full Remote · Worldwide · Product · 3 years of experience · English - B1
    We’re looking for a Backend Tech Lead to lead one of our core engineering teams working on critical crypto operations. This role combines technical leadership, delivery ownership, and hands-on backend engineering in a correctness-critical...

       We’re looking for a Backend Tech Lead to lead one of our core engineering teams working on critical crypto operations.
       This role combines technical leadership, delivery ownership, and hands-on backend engineering in a correctness-critical environment.

    You’ll work close to the product and infrastructure backbone of the exchange, where reliability, predictability, and engineering judgment matter more than buzzwords.

    What you’ll do

    • Lead a backend team: set clear goals, run regular 1:1s, give feedback, and support hiring and team growth
    • Own delivery end-to-end: planning, prioritization, execution, and delivery transparency
    • Take responsibility for backend architecture of core operational flows and integrations
    • Drive evolution of existing systems toward a more scalable and maintainable architecture
    • Ensure correctness and reliability of critical backend processes
    • Stay hands-on where it matters: design APIs, review code, and contribute to core backend logic (Go)
    • Support and gradually improve legacy components where required

    Requirements

    • 3+ years in a Tech Lead / Team Lead / Engineering Lead role with real ownership of delivery
    • Strong backend engineering experience with Go in production environments
    • Experience working with high-load or correctness-critical systems
    • Solid understanding of distributed systems and failure scenarios
    • Practical experience working with monoliths and evolving them over time
    • Strong delivery mindset: prioritization, clear communication, ownership of outcomes
    • Engineering best practices: clean APIs, testing, CI/CD, observability
    • Ability to work pragmatically with legacy codebases (including PHP when needed)
    • Reliability and security-first mindset

    Nice to have

    • Experience in crypto, fintech, or financial infrastructure
    • Familiarity with wallets, transactions, or ledger-like systems
    • Experience with incident response or on-call rotations
    • Exposure to risk controls, monitoring, or antifraud systems

    Perks of being a part of EXMO 🙌

    Crypto teaches flexibility — so we focus on real, practical benefits instead of clichés.

    • Competitive salary
    • Flexibility to work fully remote or from a comfortable coworking — your choice
    • Reimbursement for English lessons and sports activities
    • 100% sick leave coverage
    • 30 business days of unified leave per year + 2 public holidays for all team members
      A friendly team that is genuinely happy to welcome a new teammate 😉

     

    More
  • · 506 views · 143 applications · 15d

    Node.js Developer to $8000

    Full Remote · Countries of Europe or Ukraine · Product · 3 years of experience · English - None
    Company: OwchBuddy Format: Remote What You’ll Do Design, develop, and maintain backend services using Node.js Work with MongoDB and Redis to ensure efficient data storage and caching Build and manage containerized applications with Docker Deploy...

     

    Company: OwchBuddy
    Format:  Remote 

     

    💻 What You’ll Do

    • Design, develop, and maintain backend services using Node.js
    • Work with MongoDB and Redis to ensure efficient data storage and caching
    • Build and manage containerized applications with Docker
    • Deploy and scale applications in Google Cloud Platform (GCP)
    • Collaborate closely with frontend engineers, DevOps, and product managers to deliver high-quality features
    • Ensure system performance, security, and reliability
    • Write clean, maintainable, and testable code

     

    🧠 What We’re Looking For

    • Strong experience with Node.js and modern backend architectures
    • Solid understanding of MongoDB and in-memory data stores like Redis
    • Hands-on experience with Docker and containerized environments
    • Experience deploying applications to GCP
    • Understanding of REST APIs, microservices, and scalable systems
    • Familiarity with CI/CD pipelines and DevOps practices
    • Strong problem-solving skills and attention to detail
    • Good communication skills and ability to work in a distributed team

     

    ⭐ Nice to Have

    • Experience with Kubernetes
    • Knowledge of event-driven architectures
    • Experience in healthtech / wellbeing / mobile-first products

     

    🎯 What You’ll Get

    • Opportunity to work on a meaningful product that improves people’s lives
    • A strong engineering culture focused on quality and ownership
    • Flexible work environment
    • Competitive compensation based on experience

     

    More
  • · 316 views · 71 applications · 15d

    Middle Python Developer

    Countries of Europe or Ukraine · Product · 2 years of experience · English - B1
    ULA Video is a software for automated analysis of video streams from any number of different cameras and sensors that can be located at a distance of tens and hundreds of kilometers from each other, as well as in remote areas. ULA is based on the use of...

    ULA Video is a software for automated analysis of video streams from any number of different cameras and sensors that can be located at a distance of tens and hundreds of kilometers from each other, as well as in remote areas. 

    ULA is based on the use of modern technologies that allow you to quickly and efficiently collect, evaluate and analyze information received from video surveillance cameras and use it to make appropriate decisions and optimize various processes.
     

    We invite to our team an experienced Middle Python Developer who shares our passion for innovation and is ready to contribute to the development of advanced products
     

    What We’re Looking For:

    • 2+ years of proven experience with Python 3.x stack
    • experience with NLP/NLU, Image/audio processing;
    • knowledge of basic ML methods (SVM, Random trees, Naive bayes, etc.);
    • knowledge of basic deep learning libraries such as PyTorch, Keras, Tensorflow;
    • experience with libraries such as Pandas, NumPy, (one of the web frameworks Flask, FastAPI, Django);
    • good skills in debugging, finding, and fixing problems;
    • experience with Git;
    • good knowledge of English at the level of reading technical documentation;
    • ability to work independently;
    • teamwork;

     

    Responsibilities:

    • Develop your own ML models;
    • Adaptation and support ready-made models;
    • Development and support of related systems that work with models (work with queues, REST API, gRPC, GRAPHQL)

     

    Nice to have:

    • understanding the fundamentals and features of neural network architectures such as CNN, RMM, Transformer, LSTM;

    • experience with c, EfficientDet, Mask R-CNN, BERT, Spacy, Whisper;

     

    We offer our employees:

    • Professional development in a stable and transparent organization;
    • Many opportunities for development (trainings, corporate training portal, exchange of experience with colleagues);
    • Corporate psychologist;
    • Work in a company with a strong corporate culture, a close-knit team, open communications, and well-established business processes;
    • Mixed work format - the ability to work both in the office and remotely
       

    We are waiting for you to create the future together!

    More
  • · 52 views · 14 applications · 15d

    Senior Software Engineer with simulation software experience (Python)

    Full Remote · Ukraine · 5 years of experience · English - B2
    Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks,...

    🌎Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to client’s needs and processes.

     

    We’re looking for a Software Development Engineer with simulation software experience.
     

    You will build high-performance simulation systems, modeling complex processes over time and delivering accurate data for real-time visualization and analysis.

     

    Requirements:

     

    • 5+ years of professional experience in Python-based software development.
    • Experience working with Machine Learning and AI technologies.
    • Experience in designing and developing services and APIs.
    • Proven experience with Object-Oriented Programming (OOP) and design patterns.
    • Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes).
    • Experience in designing or working with simulation software, especially discrete-event simulation or dynamic modeling systems.
    • Hands-on experience with relational databases, specifically PostgreSQL, including schema design, query optimization, and performance tuning.
    • Familiarity with service-oriented architecture (SOA) or microservices.
    • Excellent problem-solving skills and attention to detail.

     

    Preferred Qualifications:

     

    • Familiarity with specific discrete-event simulation frameworks such as SimPy (Python).
    • Prior experience in the logistics, port terminal, or supply chain domain is highly desirable.
    • Knowledge of mathematical modeling, operations research, or optimization techniques.

       

    Overlap time requirements: till 10 AM PST

     

    Working conditions and benefits:

     

    • Paid vacation, sick leave (without sickness list)
    • Official state holidays — 11 days considered public holidays
    • Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
    • Flexible working schedule: 8 hours per day, 40 hours per week
    • Personal Career Development Plan (CDP)
    • Employee support program (Discount, Care, Health, Legal compensation)
    • Paid external training, conferences, and professional certification that meet the company’s business goals
    • Internal workshops & seminars
    • Corporate library (Paper/E-books) and internal English classes.
    More
  • · 72 views · 1 application · 15d

    Senior Java Developer (Payments Domain)

    Hybrid Remote · EU · 6 years of experience · English - C1
    Are you ready to take ownership of mission-critical backend systems in a high-load, transaction-heavy environment? We are looking for a Senior Java Developer to join our Payments Domain team in Warsaw. This is a hybrid role with 3 days per week in the...

    Are you ready to take ownership of mission-critical backend systems in a high-load, transaction-heavy environment? 

    We are looking for a Senior Java Developer to join our Payments Domain team in Warsaw.

    This is a hybrid role with 3 days per week in the office, giving you the perfect balance between collaboration and flexibility. 

    At Sigma Software, we value engineering excellence, multicultural teamwork, and delivering secure, high-performance solutions.

    Why join us? You’ll work on a platform processing millions of transactions daily, contribute to architectural decisions, and be part of a company where innovation and ownership are encouraged.
     

    Customer

    Our customer is a well-established international company in the iGaming industry, known for its engineering-driven culture and multicultural team distributed across multiple countries. Operating multiple brands across various markets, the company delivers secure, high-performance digital platforms recognized for reliability and scalability.
     

    Project

    You will be part of the Payments Domain team, responsible for developing and maintaining a large-scale payments platform built on modern microservices architecture. The platform processes millions of secure transactions daily, supporting multiple brands and geographies. The work focuses on scalability, reliability, and performance in a high-load environment, covering everything from integration with payment providers to transaction monitoring and compliance.


    Requirements:

    • 5+ years of commercial experience with Java and Spring Boot
    • Strong experience with MySQL and Kafka
    • Proven track record working with microservices architecture in high-traffic, high-load systems
    • Experience developing high-performance backend solutions for transaction-heavy platforms
    • Ownership mindset with the ability to deliver services end-to-end
    • Excellent communication skills in English (C1 level), both written and verbal
    • Experience with Kotlin
       

    Responsibilities:

    • Design, develop, and maintain backend services for the payments platform using Java and Spring Boot
    • Ensure high availability, scalability, and performance of transaction processing systems
    • Collaborate with cross-functional teams to define technical requirements and deliver solutions end-to-end
    • Implement integrations with payment service providers and internal systems
    • Participate in architectural discussions and contribute to system evolution in a microservices environment
    • Monitor, troubleshoot, and optimize services in production
    • Ensure compliance with security, regulatory, and operational standards
    • Drive continuous improvement in code quality, testing, and deployment practices

     

    More
  • · 89 views · 7 applications · 15d

    Full-Stack Java Developer

    Full Remote · EU · Product · 5 years of experience · English - B1
    About us: ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its...

    About us:
     

    ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.
     

    Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.
     

    At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success.
     

    To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.
     

    Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

     
    Required skills: 

    • 5+ years of Java development. 
    • Strong programming skills with Java. 
    • Experience with OOP/OOD. 
    • Experience with clustered applications, pooling, connection management, transactions. 
    • Familiarity with programming specifics like asynchronous I/O, concurrency, distributed web systems and regression. 
    • A good foundation in algorithms, design patterns, and data structures. 
    • Experience with unit/functional testing. 
    • Strong experience with the most of Spring Framework/JDBC, databases (PostgreSQL). 
    • Strong experience with Javascript and React Framework. 
    • Maven, Git. 
    • Strong understanding of RDBMS concepts + SQL. 

     

    Will be a plus:  

    • Familiarity with NoSQL databases like Redis. 
    • Experience with Kubernetes and Nomad. 
    • Experience with AWS services. 
    • Experience with Oracle databases. 
    • Experience with distributed messaging systems, particularly RabbitMQ. 
    • Experience in application and infrastructure monitoring. 
    • Proven ability to troubleshoot production problems related to software applications. 
    • Exposure to high-load systems. 
    • Good spoken and written English skills.   

     
     Company offers: 

    • Long-term employment. 
    • Flexible timetable. 
    • Comfortable working conditions. 
    • Paid vacation and sick leaves. 
    • English lessons, gym. 
    • Competitive salary level. 

     

    More
  • · 97 views · 13 applications · 15d

    Senior Python Developer

    Ukraine · 5 years of experience · English - B2
    Quintagroup is looking for Senior Python Developerr to join a leading European fintech product company. Technology stack: Python 3.11, Django 4.2, Postgres, AWS (EventBridge, Lambda, ECS, RDS, DynamoDB etc.), Docker, Pandas, Polars, Terraform ...

    Quintagroup is looking for Senior Python Developerr to join a leading European fintech product company. Technology stack: Python 3.11, Django 4.2, Postgres, AWS (EventBridge, Lambda, ECS, RDS, DynamoDB etc.), Docker, Pandas, Polars, Terraform

     

    RESPONSIBILITIES:

    • development with Python, AWS
    • participation in planning and execution stages
    • communicate with international (UK/UA/US) development team and CTO 

     

    REQUIREMENTS

    • 5+ years of experience with Python
    • Experience with AWS and Python frameworks
    • Able to work in a team-oriented, collaborative environment
    • Ability to share knowledge

     

    Customer methodologies and tools

    • Scrum (2 week sprints)

     

    Senior Python Developer - Project tech stack:

    • Python
    • AWS

     

    WE OFFER:

     

    • long term projects
    • A company with a specialization in Python development for the last 22 years
    • Health insurance
    • different work models (remote, office, or hybrid remote/office options)
    • Projects in AWS, Azure, GCP
    • Different domains of projects: FinTech, EdTech, GovTech, IoT, e-commerce, marketplaces, e-auctions, e-learning, public procurement, interesting tasks, possibilities for career and professional growth
    • Friendly atmosphere and good working conditions
    • regular team-buildings and corporate parties
    • Online English classes
    • Flexible working hours
    • Experience with new technologies
    More
  • · 205 views · 40 applications · 15d

    Middle .NET Developer

    Full Remote · Ukraine · 3 years of experience · English - B2
    IT Craft invites a Middle .NET developer to join our team. Responsibilities: Develop and maintain CMS application using ASP.NET Core and Blazor Server; Create reusable UI components with MudBlazor and custom Blazor components; Analyze requirements and...

     

    IT Craft invites a Middle .NET developer to join our team.

     

    Responsibilities:

    • Develop and maintain CMS application using ASP.NET Core and Blazor Server;
    • Create reusable UI components with MudBlazor and custom Blazor components;
    • Analyze requirements and create project-specific specifications;
    • Conceptualize, document, and maintain software architectures;
    • Generate and document software designs;
    • Conduct code reviews;
    • Collaborate with cross-functional teams to define, design, and deliver new features.

     

    Requirements:

    • At least 3 years of commercial development experience;
    • Experience with ASP.NET Core 6+, C#;
    • Experience working with Blazor Server;
    • Experience with MudBlazor or similar component libraries;
    • Practical experience with ASP.NET Core Identity for authentication;
    • Good understanding of OOP;
    • Experience in working with MS SQL, Azure SQL, including transactions and SQL scripts;
    • Knowledge of Entity Framework (Code First and Database First approaches);
    • Experience wiStorage for file/media management;
    • Understanding of .NET Web API, CQRS, DDD, Clean Architecture, Design Patterns;
    • Experience with Git;
    • Experience with Azure App Service deployment is a plus;
    • Familiarity with rich text editors (TinyMCE or similar) is a plus;
    • At least an Upper-Intermediate level of spoken and written English.

     

    IT Craft offers:

    • Competitive compensation according to the qualifications;
    • Flexible working hours, remote work;
    • Opportunity for career growth;
    • Compensation for technical courses, educational resources and sport;
    • In-house English training;
    • A friendly team of open-minded people.

     

    Please send your CV.

    By submitting your application, you consent to the processing of your personal data in accordance with IT Craft's Privacy Policy, available at https://itechcraft.com/datenschutz/.

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  • · 558 views · 119 applications · 15d

    Senior Java Software Engineer

    Full Remote · Ukraine · 5 years of experience · English - B2
    Description Founded in 2007, Client’s pioneering technology created a new model for the advertising industry. Today, our automated advertising platform is used by the world’s leading publishers and applications to transact with top brands around the globe...

    Description

    Founded in 2007, Client’s pioneering technology created a new model for the advertising industry. Today, our automated advertising platform is used by the world’s leading publishers and applications to transact with top brands around the globe enabling them to reach more than 1 billion consumers. The Client operates the largest independent Display Advertising Exchange and Supply Side Platform that automates the buying and selling of Display Advertising across all formats (banner, video) on all devices (desktop browsers, mobile devices, billboards). The Client auctions over 20 Billion Ads on a daily basis in real time in less than 1/2 of a second each. The Client is a publicly traded company (NYSE: RUBI) headquartered in Los Angeles, California, USA.

    Requirements

    – Experience building and operating large-scale, high-throughput, enterprise apps
    – 3+ years coding experience in server-side Java
    – Excellent Java Core knowledge (Java 8 or higher, Collections, Exceptions, Concurrency)
    – Experience with RDBMS (MySQL, PostgreSQL), native SQL, ORMs (Hibernate)
    – Experience with automated testing frameworks (TDD, Mocking, Unit/Functional/Integration)
    – Handy use of cloud services (AWS)
    – Understanding of VCS (Git)
    – Experience working in a Linux environment.
    – Fluent English verbal and written communication skills
    – Shifted working hours 1pm till 9pm EEST time zone

     

    Nice to have experience with:
    – Familiar with Scala, Spark
    – Commercial experience with Spring Framework (Boot, Core, MVC, Data)
    – Experience with Redis, Aerospike, RabbitMQ, Kafka, Camel

    Job responsibilities

    – Write production-ready code and unit tests that meet both system and business requirements.
    – Respond to feature requests, bug reports, performance issues, and ad-hoc questions.
    – Work collaboratively with multiple teams to deliver quality software.
    – Comfortable in multi-tasking and fast-pacing dev process.
    – Support operation of services in production.

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  • · 337 views · 40 applications · 15d

    Senior Backend Engineer .NET/C#

    Full Remote · Ukraine · 5 years of experience · English - B1
    Client Our client operates in the travel and hospitality industry and is building a high-volume distribution and integration platform connecting downstream systems with multiple Hotel Property Management Systems (PMS) and hospitality platforms. The...

    Client

     

    Our client operates in the travel and hospitality industry and is building a high-volume distribution and integration platform connecting downstream systems with multiple Hotel Property Management Systems (PMS) and hospitality platforms.
    The platform supports mission-critical availability, rate, and inventory flows and is designed for scale, performance, and resiliency.

     

     

    Project overview

     

    The project focuses on high-throughput, low-latency distribution, handling complex hospitality concepts such as ARI (Availability, Rates, Inventory), restrictions, inventory blocks, and state reconciliation across event-driven and polling-based models.
    The platform is built using Microsoft technologies (.NET and Azure), with strong emphasis on Azure infrastructure, DevOps, and relational data consistency.

     

    Position overview

     

    As a Senior Backend Engineer you will design, build, and maintain core backend integrations between the client’s platform and Hotel PMS / CRS / hospitality systems. This role requires hands-on experience integrating with at least one hospitality platform and strong domain knowledge of hotel distribution, combined with solid experience operating backend systems on Azure and SQL-based architectures.

    Eastern European candidates are expected to maintain a 4–6 hour working overlap with the US Eastern Time zone.

     

    Technology stack

     

    .NET / C#;
    Azure, including: Azure Virtual Machines, Azure App Gateway, Azure App Services / Functions, Azure Service Bus, Azure DevOps (pipelines, CI/CD);
    SQL databases (Azure SQL, SQL Server);
    REST APIs (JSON);
    Event-driven architectures;
    OAuth2 authentication;
    Docker;
    Observability & logging (Azure Monitor, Application Insights or similar).

     

     

    Responsibilities

    • Design, build, and maintain backend integrations with Hotel PMS and hospitality platforms.
    • Implement idempotent ARI (Availability, Rates, Inventory) update mechanisms.
    • Handle complex hotel distribution concepts (rate plans, restrictions, inventory blocks).
    • Build and operate high-volume, low-latency distribution systems.
    • Reconcile system state across event-driven and polling models.
    • Design resilient integration patterns (idempotency, retries, deduplication).
    • Ensure data integrity and performance in SQL databases.
    • Contribute to Azure deployments, CI/CD pipelines, and operational readiness.
    • Collaborate with product, QA, and partner technical teams on integration contracts.
    • Troubleshoot and resolve production issues with external hospitality systems.

    Requirements

    • Integration experience with at least one hospitality platform (Hotel PMS or CRS).
    • Strong understanding of ARI (Availability, Rates, Inventory), rate plans, restrictions, and inventory allocation.
    • Experience with hospitality APIs and reconciling state across event-driven and polling systems.
    • 5+ years as Backend Engineer with system-to-system integrations.
    • Proficient in .NET/C#, Azure (VMs, App Gateway, App Services, Service Bus), and Azure DevOps CI/CD.
    • Strong in REST APIs, event-driven architectures, and SQL databases (schema design, performance).
    • Knowledge of idempotent API design, concurrency, retries/backoff strategies.
    • Experience with high-throughput production systems and good English communication skills.

    Nice to have

    • Direct experience integrating with one or more of the following platforms:
    • Oracle OPERA Cloud / OHIP
    • Amadeus Hospitality Suite
    • Sabre SynXis
    • Cloudbeds
    • Mews PMS
    • Infor HMS
    • Agilysys Stay
    • Shiji Daylight PMS
    • Experience with distributed tracing and observability
    • Familiarity with high-availability, low-latency architectures
    • Understanding of Agile / Scrum methodologies

     

    More
  • · 294 views · 60 applications · 16d

    Python Developer / Data Engineer

    Countries of Europe or Ukraine · Product · 2 years of experience · English - B1
    A product company with FTSE 500 clients in 50+ countries around the world, is looking for a Python Developer / Data Engineer to join the Satellite Tracking Unit, a web platform for processing and analysing satellite imagery and Earth remote sensing What...

    A product company with FTSE 500 clients in 50+ countries around the world, is looking for a Python Developer / Data Engineer to join the Satellite Tracking Unit, a web platform for processing and analysing satellite imagery and Earth remote sensing

     

    What we expect from a candidate:

    - Preferably 3+ years of professional Python development experience;

    - Strong knowledge and experience with relational databases;

    - Proficiency in writing tests using pytest/unittest;

    - Experience with Docker and Kubernetes;

    - Experience with UNIX environment;

    - Experience with version control systems, especially Git.

     

    What exactly will you need to work with:

    - Developing, maintaining and deploy Python data pipelines for Kubernetes;

    - Satellite imagery processing (GDAL/OGR);

    - Building and maintaining REST API (aiohttp, Flask);

    - Working with PostgreSQL + PostGIS using SQLAlchemy Core/ORM;

    - Creating workflows using Apache Airflow;

    - Infrastructure as a Code tools (terraform).

     

    Hiring process:

    - Intro call;

    - Test Task;

    - Final Interview;

    - Offer.

     

    The company offers:

    - opportunity to be a part of a best-in-class product that is used by thousands of companies around the world;

    - participation in complex technical tasks and challenges;

    - environment where you need to seek and implement unique engineering and technical solutions;

    - trainings and development programs;

    - flexible work format - remote, office or hybrid;

    - health and life insurance for employees and your family members;

    - 32 working days of paid annual leave and sick leave.

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  • · 100 views · 21 applications · 16d

    WordPress Developer

    Full Remote · Ukraine · 3 years of experience · English - B1
    Are you passionate about WordPress and eager to push its boundaries? Do you have a firm grasp of both front-end and back-end development? Then join our team and help build beautiful, cutting-edge, high-performing WordPress solutions. We are an...

    Are you passionate about WordPress and eager to push its boundaries? Do you have a firm grasp of both front-end and back-end development? Then join our team and help build beautiful, cutting-edge, high-performing WordPress solutions.

    We are an innovation-driven WordPress agency with expertise covering the entire website creation process. Our clients are enterprise-level companies, medium-sized businesses, and start-ups. 

    You responsibilities:

    • Develop and maintain pixel perfect WordPress websites and e-commerce solutions
    • Create plugins for WordPress
    • Build Gutenberg blocks
    • Collaborate with designers, developers, and clients to deliver tailored solutions
       

    Our requirements:

    • At least 3 years of commercial experience with WordPress development
    • Have experience making native Gutenberg blocks
    • Have worked with the Full Site Editor
    • Deep understanding of JS, HTML, SCSS, PHP and MySQL
    • Git and Git Flow
    • Know how to use WordPress Coding Standards (PHP CodeSniffer)
    • Know how to make websites load faster (Google PageSpeed Insights)
    • Can write your own plugins, themes, and clean, well commented code
    • Can work well in a team, work on your own, and organize your work well
    • Can make websites that work well on different devices and resolutions
    • Can speak English at least at a B1 level

     

    Nice to have:

    • AI passionate
    • DevOps skills


    We will harmonize perfectly if you are:

    • A team player
    • Reliable and committed to quality
    • Ambitious
    • Constantly seeking knowledge
    • Eager to try new tools and develop new skills


    What we offer:

    • Competitive salary based on experience
    • Flexible working hours and remote work options
    • Opportunity to work on diverse and exciting WordPress projects
    • Professional development and training opportunities
    • Supportive and collaborative team environment
    • Modern tools and technologies to enhance your workflow
    • Long-term cooperation with growth opportunities
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  • · 59 views · 18 applications · 16d

    Python Engineer (with AI experience)

    Full Remote · Countries of Europe or Ukraine · 4 years of experience · English - B2
    We are looking for a Senior Software Engineer with deep expertise in Python and a passion for practical AI-enhanced development. About the Project The project focuses on building software systems for managing and optimizing operations in global port and...

    We are looking for a Senior Software Engineer with deep expertise in Python and a passion for practical AI-enhanced development.

     

    About the Project
    The project focuses on building software systems for managing and optimizing operations in global port and intermodal logistics. The platform helps coordinate complex workflows, process large volumes of operational data in real time, and support efficient decision-making across terminal operations.

     

    Requirements:

     

    • Strong Python experience, with at least 5+ years of professional development.
    • Practical experience using AI tools (e.g., Copilot, generative models, LLM-based automation) to enhance development workflows and reduce manual effort.
    • Excellent communication skills, including clear reasoning, concise documentation, and the ability to ask thoughtful, relevant questions.
    • Senior-level engineering skills, including system design from the ground up, deep understanding of technical requirements, and the ability to independently prototype and validate solutions.

     

    Overlap time requirements: till 10 AM PST

     

    Working conditions and benefits:

     

    • Paid vacation, sick leave (without sickness list)
    • Official state holidays — 11 days considered public holidays
    • Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
    • Flexible working schedule: 8 hours per day, 40 hours per week
    • Personal Career Development Plan (CDP)
    • Employee support program (Discount, Care, Health, Legal compensation)
    • Paid external training, conferences, and professional certification that meet the company’s business goals
    • Internal workshops & seminars
    • Corporate library (Paper/E-books) and internal English classes.
    More
  • · 223 views · 18 applications · 16d

    Trainee/Junior .NET Developer

    Office Work · Ukraine (Lviv) · English - B1
    Insiders is a fast-growing IT company which employs about 200 people. Our company focused on providing innovative digital services and cutting-edge technologies to solve complex business challenges. We are located in Lviv and currently work in an office...

    Insiders is a fast-growing IT company which employs about 200 people. Our company focused on providing innovative digital services and cutting-edge technologies to solve complex business challenges.

     

    We are located in Lviv and currently work in an office format. For candidates from other cities, we offer relocation (an apartment located near the office, this option is free).

     

    Requirements: Essential:

    • Proficiency in .NET Core/Framework, ASP.NET, and ASP.NET Core for web application development.
    • Strong knowledge and experience with C# programming language.
    • Familiarity with Entity Framework (EF), EF Core, or any other ORM tool.
    • Understanding and adherence to software development principles such as DRY, KISS, and YAGNI.
    • Solid grasp of Object-Oriented Programming concepts.
    • Understanding and application of SOLID principles in software design.
    • Strong knowledge and usages of Design (Projecting) patterns.
    • Proficiency in SQL for database operations.
    • Familiarity with architectural patterns such as MVP, N-layer Architecture, Hexagonal Architecture, etc.
    • Experience with version control systems like Git.
    • Understanding of Continuous Integration (CI) and Continuous Deployment (CD) principles.
    • Familiarity with basic DevOps practices such as automated testing, containerization, and deployment pipelines.
    • Basic knowledge of Docker for containerization.

     

    Desirable (Will be a Plus):

    • Knowledge or experience with NoSQL databases such as MongoDB or Cassandra.
    • Familiarity with front-end technologies like HTML, CSS, JavaScript, and frameworks like React or Angular.
    • Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
    • Experience with automated testing frameworks such as NUnit or xUnit.

     

    Additional Requirements:

    • Excellent problem-solving skills and ability to work effectively within a team.
    • Strong communication skills to collaborate with colleagues and stakeholders.
    • Eagerness to learn new technologies and frameworks.
    • Ability to adapt to changing project requirements and priorities.
    • Attention to detail and commitment to writing clean, maintainable code.


     

    What we offer:

    - free study in our Corporate English Academy

    - growth and development opportunities for young developers even if you have no commercial experience

    - regular salary review (after the completion of each contract)

    - provision of Apple equipment

    - comfortable office with all amenities not far from the center (uninterrupted internet, generator, tea and coffee, pastries).

    - timely payment of salaries.

    - corporate events, teambuildings, etc.

    - working on projects side by side with Senior developers, which will give you the opportunity to learn and develop.


     

    More
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