May 19, 2026

Senior Software Engineer

Senior • Remote

Warsaw, Poland

Dive deep into Digital! For 20 years Intellias has been developing top-tier digital solutions for the world’s leading companies, keeping them in line with the latest technology trends. Join in and provide innovations for the future!

The Client is a leading multi-brand technology solutions provider to business, government, education and healthcare customers in the United States, the United Kingdom and Canada. A Fortune 500 company and member of the S&P 500 Index, Client was founded in 1984 and employs approximately 15,000 coworkers. For the trailing twelve months ended March 30, 2023, the company generated Net sales over $22 billion.

Responsibilities:

  • Design, build, and operate components of a large-scale distributed search and recommendation platform

  • Develop and maintain backend APIs and platform services supporting the search ecosystem (preferably .NET / C#)

  • Build and maintain data pipelines for indexing, analytics, and behavioral signal processing using technologies such as Spark and Airflow

  • Design and build services that run in Kubernetes environments (AKS), collaborating closely with DevOps and SRE teams on deployments and operational readiness

  • Support HA search infrastructure, ensuring reliability and performance of indexing and query workloads

  • Contribute to graph-based recommendation systems leveraging Neo4j and behavioral data signals

  • Troubleshoot and optimize distributed systems performance, search pipelines, and data processing jobs

  • Collaborate with DevOps and SRE teams to ensure platform services integrate smoothly with CI/CD pipelines, containerization, and production deployment processes

  • Participate in architecture discussions and contribute to the evolution of the home grown SmartSearch platform

Technology Stack:

  • Apache Solr

  • Neo4j graph database

  • .NET / C# APIs

  • Apache Spark

  • Apache Airflow

  • Kubernetes (AKS)

  • Azure cloud

  • Helm-based deployment environments

  • Distributed data pipelines and indexing systems

Requirements:
Must Have
 

• 5+ years of hands-on cloud experience (Azure preferred), working with production systems
• 1+ years of hands-on Experience with search platforms (Apache Solr preferred, Elasticsearch acceptable)
• Must have experience building or operating distributed systems or data pipelines (Spark, Airflow, etc.)
• Hands-on Experience working in Kubernetes environments (AKS preferred)
• Hands-on strong backend engineering experience building APIs or platform services (.Net/Preferred )

Nice to Have

• Expert Experience with .NET / C#
• Experience with graph databases (Neo4j) or recommendation systems
• Exposure to AI-assisted development or modern AI use cases

Perks and Benefits:

  • Flexible work schedule

  • Fixed financial bonus issued upfront on a quarterly basis, covering the average market price of private medical care and sport card - B2B contract

  • Present on the occasion of birthday, wedding, child birth

  • E-learning accounts for Coursera, O'Relly, Udemy

  • Corporate language school

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Senior

Remote

🏢 Summary: Senior QA Automation role focused on designing and building test automation frameworks from scratch for a large-scale digital and e-commerce ecosystem. The position involves leading automation strategy, implementing E2E and API tests, and integrating automated testing into CI/CD pipelines. The role also promotes Shift Left practices and continuous improvement within Agile teams. 🗂️ Requirements: 7+ years of QA Automation experience, Strong leadership experience, Strong experience with Playwright, Proven use of AI tools in automation tasks, Experience building and maintaining E2E tests, Understanding of API testing, Experience with test data management, Solid knowledge of JavaScript, Solid knowledge of TypeScript, Experience with Mocha or Jest, Experience with UI test automation frameworks, Experience with CICD pipelines, Experience working in Scrum 📃 Skills: Playwright, JavaScript, TypeScript, Mocha, Jest, CICD, API, E2E, Scrum, AI, TestAutomation, UI 🏢 Description: Make retail great again through the power of technology! Intellias helps retailers provide consistent and customer-centric shopping experiences across all channels with disruptive retail tech solutions. Get on board and make your own contribution to the industry! What project we have for you Our client is the fastest-growing global manufacturing company. An international corporation with over a hundred years of history, internationally recognized brands and Reduced-Risk Products. Intellias’ mission is to support its strategy and efforts in the Digital and e-commerce space (e-commerce and other apps mobile apps, payment gateways, loyalty system, search engine, employee management, identity management, etc.). A newly conceptualized Digital Eco System is comprised of a set of capabilities including an online shop & website, linking online & offline, customization & personalization, engagement & membership, digital product & services main differences. What you will do Collaborate with team members to identify and prioritize testing needs and develop comprehensive testing strategies Design Test Automation Frameworks and infrastructure from scratch Develop and execute automated test scripts to validate software functionality and reliability Analyse test results and provide regular test reports Debug and troubleshoot issues that arise during testing Promote the use of the Shift Left testing approach Participate in continuous improvements, including platform tooling and processes, implementing best practices, and bringing on innovations Mentor and train team members on testing best practices and techniques What you need for this 7+ years of hands-on experience in QA Automation Strong Leadership experience Strong experience with Playwright Proven use of AI tools in daily automation tasks Experience building and maintaining E2E tests Understanding of API testing and test data management Solid knowledge of JavaScript / TypeScript Experience with test runners (e.g., Mocha, Jest, or similar) Experience with test automation frameworks for UI testing Experience with CI/CD pipelines for automated test execution Experience with Scrum Will be a plus: Experience with SQL or NoSQL for test data setup Knowledge of cloud services (AWS, Azure, GCP) Familiarity with containerization (Docker, Kubernetes) Experience in setting up and configuring test monitoring and reporting tools Experience with other programming languages (Java, Python) What it’s like to work at Intellias At Intellias, where technology takes center stage, people always come before processes. By creating a comfortable atmosphere in our team, we empower individuals to unlock their true potential and achieve extraordinary results. That’s why we offer a range of benefits that support your well-being and charge your professional growth. We are committed to fostering equity, diversity, and inclusion as an equal opportunity employer. All applicants will be considered for employment without discrimination based on race, color, religion, age, gender, nationality, disability, sexual orientation, gender identity or expression, veteran status, or any other characteristic protected by applicable law. We welcome and celebrate the uniqueness of every individual. Join Intellias for a career where your perspectives and contributions are vital to our shared success.

Technology

Intellias

Middle Python AQA

Mid

Remote

🏢 Summary: The offer is for an Automated QA Engineer focused on Python-based test automation within a large-scale digital ecosystem supporting e-commerce, mobile apps, and related platforms. The role involves building and maintaining test automation frameworks, performing API and database testing, and contributing to continuous improvement of QA processes. Over time, it provides growth toward broader development responsibilities and mobile QA. 🗂️ Requirements: 2+ years of experience in Automated QA, Strong Python proficiency, Experience with pytest, requests, pandas, Experience with API testing, Experience with DB testing, Knowledge of REST services, Experience with GitLab pipelines, Familiarity with Azure cloud services, Experience with Allure reporting, English level B2 or higher 📃 Skills: Python, pytest, requests, pandas, REST, API, SQL, GitLab, Azure, Allure 🏢 Description: Make retail great again through the power of technology! Intellias helps retailers provide consistent and customer-centric shopping experiences across all channels with disruptive retail tech solutions. Get on board and make your own contribution to the industry! What project we have for you Our client is the fastest-growing global manufacturing company. An international corporation with over a hundred years of history, internationally recognized brands and Reduced-Risk Products. Intellias’ mission is to support its strategy and efforts in the Digital and e-commerce space (e-commerce and other apps mobile apps, payment gateways, loyalty system, search engine, employee management, identity management, etc.). A newly conceptualized Digital Eco System is comprised of a set of capabilities including an online shop & website, linking online & offline, customization & personalization, engagement & membership, digital product & services main differences. The role will primarily focus on Automated QA using Python, with a gradual path toward broader development responsibilities and MQA. What you will do Collaborate with team members to identify testing needs and prioritize them Contribute to the development of a Test Automation Framework and infrastructure for automated testing Develop and execute automated test scripts to validate software functionality and reliability Analyze test results and provide regular test reports Debug and troubleshoot issues that arise during testing Participate in continuous improvements, including platform tooling and processes, implementing best practices, and bringing on innovations What you need for this 2+ years of experience in AQA Strong Python skills (pytest, requests, pandas) Experience with API & DB testing Knowledge of REST services Experience with GitLab pipelines Familiarity with Azure cloud services Allure reporting Strong analytical and problem-solving skills English level: B2 Nice to Have Adobe Campaign (ACC) experience JavaScript knowledge What it’s like to work at Intellias At Intellias, where technology takes center stage, people always come before processes. By creating a comfortable atmosphere in our team, we empower individuals to unlock their true potential and achieve extraordinary results. That’s why we offer a range of benefits that support your well-being and charge your professional growth. We are committed to fostering equity, diversity, and inclusion as an equal opportunity employer. All applicants will be considered for employment without discrimination based on race, color, religion, age, gender, nationality, disability, sexual orientation, gender identity or expression, veteran status, or any other characteristic protected by applicable law. We welcome and celebrate the uniqueness of every individual. Join Intellias for a career where your perspectives and contributions are vital to our shared success.

Technology

DataArt

Senior .NET Developer, Tickets Selling System

Senior

Remote

Wrocław, Poland

16,000 - 19,800 PLN

🏢 Summary: Senior .NET Backend Developer role focused on modernizing and expanding a complex international ticket sales platform built on microservices architecture and hosted on AWS. The position involves developing and maintaining scalable backend services, refactoring existing systems, and collaborating with cross-functional teams. The project uses the latest .NET technologies and supports integration with multiple external systems including GDS APIs. 🗂️ Requirements: 7+ years of backend development experience, 7+ years of commercial development experience on .NET platform, Strong proficiency in C# and .NET, Experience with RESTful WebAPI, Experience working with microservices architecture, Experience with unit testing frameworks (e.g., nUnit), Experience with mocking frameworks (e.g., Moq), Experience with dependency injection (e.g., Autofac), Experience with Entity Framework or NHibernate, Experience with DBMS systems, Understanding of Clean Code and OOP principles, Understanding of SOLID principles, Understanding of Agile methodology, Good spoken English 📃 Skills: .NET, C#, REST, WebAPI, Microservices, MSSQL, PostgreSQL, DynamoDB, AWS, nUnit, Moq, Autofac, EntityFramework, NHibernate, OOP, SOLID, Agile, JWT, OAuth2, OpenID 🏢 Description: Client The company is one of the regional leaders in the industry and is currently launching their new product, an international platform for ticket sales. The company's annual income exceeds 100 million euros. Join a great company, not merely an individual project Project overview The client uses various tools to reach their customers, such as a mobile app, a responsive web application, or communicating with them directly through the call center. The system is very complex, it must comply with a large number of regulations. We provide APIs for different clients including the biggest Global Distribution Systems (GDSes). Our client is committed to ensuring that the system will be as modern as possible. It is based on microservice architecture with the use of continuous integration, where a few hundred components operate independently of each other and can be used as they become available. This increases the modularity of the system and optimizes the use of the services. All components run on AWS. Team Several independent teams are working on the project. The goals of each team are limited to the part of the system they're working on. DataArt's specialists are working on the back-end in one of the teams. Position overview DataArt is currently helping to modernize and develop the IT system of an independent online retailer of railroad tickets. Technology stack .NET (always working with newest versions) microservices REST API MSSQL migrating to Postgres, DynamoDB Responsibilities Refactoring and expanding tickets selling system Develop, enhance, and maintain high-quality, scalable code Work collaboratively with cross-functional teams to support the implementation of new features and achieve their objectives Requirements 7+ years of backend development experience 7+ years of experience in commercial software development on the .NET platform Understanding of and experience working with C# Development experience with .NET Strong skills in Clean Code and OOP Knowledge of WebAPI Understanding of microservices architecture Experience with unit testing (like nUnit) and mocking frameworks (preferred Moq) Experience with dependency injection (preferred Autofac) Knowledge of Entity Framework or NHibernate Experience working with any DBMS system Understanding of SOLID principles Understanding of Agile development methodology Good spoken English Nice to have Knowledge of basic Authentication: types of Authentication, JWT, OAuth 2.0, OpenId Connect What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)