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Svitla Systems Inc. is looking for a Senior Ruby Developer for a full-time position (40 hours per week) in Europe. Our client is a leading global provider that gathers information and reports to enhance the environmental and social impacts on the business. This role is perfect for someone who thrives in building scalable, high-quality applications. Overlap till 19:00 CET. Tech Stack: Backend: Ruby on Rails, Sidekiq; DB: PostgreSQL, Redis; CI/CD: GitHub Actions, RSpec, Jest; Infrastructure:... (więcej)
- Design, develop, and maintain applications collaborating within cross-functional squads: engineers, designers, and product managers.
- Actively participate in squad meetings to define, design, and ship new features, ensuring alignment with project goals and timelines.
- Ensure the performance, quality, and responsiveness of applications, leveraging cross-functional expertise to address complex challenges.
- Identify bottlenecks, fix bugs, and contribute to improving code quality and test ...
- 5 years of experience in backend development with Ruby.
- Familiarity with different testing approaches.
- Exceptional problem-solving skills and attention to detail.
- Experience with Agile development methodologies.
- The ability to plan, track, and ensure timely delivery.
- Strong communication skills in English to effectively collaborate within squads.
- Nice to have: Experience in front-end development with React and TypeScript, or experience in backend with Python or Golang.
- US and EU projects based on advanced technologies.
- Competitive compensation based on skills and experience.
- Regular performance appraisals to support your growth.
- Flexibility in workspace, either remote or our welcoming office.
- Bonuses for article writing, public talks, and other activities.
- Generous time off, including vacation, national holidays, sick leaves, and family days.
- Personalized learning programs tailored to your interests and skill development.
- Free tech webinars and...
We are looking for Senior Node.js Developers to join a long-term remote project for a global digital transformation company. You will work on extending and maintaining an in-house Commercial Data Manager (CDM) platform and take technical ownership of HubSpot (built previously by an external agency).Work split: 70% CDM / 30% HubSpot , working closely with the architect. Location: Remote (EU / Poland) Contract: B2B Start: 02 Mar 2026 Duration: Until 31 Aug 2026 (extension likely) Language: English... (więcej)
- Develop and extend backend services for the Commercial Data Manager (CDM)
- Take ownership of HubSpot backend maintenance and further development
- Design and implement REST / GraphQL APIs and microservices
- Work closely with architects and engineering teams
- Support team growth through technical leadership and knowledge sharing
- Ensure high code quality, scalability, and reliability
Must-Have Skills:
- 6 years of backend development experience
- 4 years with Node.js
- 3 years with TypeScript
- Experience with REST APIs / GraphQL / microservices
- Databases: PostgreSQL, MySQL, MongoDB
- AWS, Docker, Kubernetes
- Monitoring/logging: Prometheus, Grafana, ELK
- Strong DevOps mindset
- English B2 Nice to Have:
- Distributed systems
- Kafka or other message brokers
- Remote work opportunity (EU / Poland)
- Contract: B2B
- Start date: 02 Mar 2026
- Duration: Until 31 Aug 2026 (extension likely)
Senior Python Developer Join us to build scalable, cloud-native backend systems powered by Python and Google Cloud Platform (GCP) . We are looking for a Senior Engineer who thrives in a microservices environment and wants to have real impact on global product rollouts and architecture decisions. Your Responsibilities Design, develop, and maintain scalable and secure Python-based microservices Deploy and manage containerized applications using GCP Cloud Run Collaborate with product and... (więcej)
- Design, develop, and maintain scalable and secure Python-based microservices
- Deploy and manage containerized applications using GCP Cloud Run
- Collaborate with product and engineering teams to design and deliver new features
- Optimize applications for performance, scalability, and reliability
- Build and maintain CI/CD pipelines for automated testing and deployment
- Monitor and troubleshoot production systems to ensure high availability
- Write clean, maintainable code following best ...
- Proven commercial experience with Python, especially in microservices development
- Strong understanding of Docker and Kubernetes
- Hands-on experience with Google Cloud Platform (Cloud Run, Cloud Functions, or similar services)
- Experience building and integrating RESTful APIs
- Knowledge of SQL and NoSQL databases and data modeling concepts
- Experience with Git and collaborative development workflows
- Experience with CI/CD tools and practices
- Strong problem-solving skills and ability to...
- Nice to Have
- Experience with Python frameworks such as Flask, FastAPI, or Django
- Understanding of DevOps practices and infrastructure automation (Terraform, Jenkins)
- Experience with monitoring and observability tools (Prometheus, Grafana, Stackdriver)
- Experience working in cloud-native environments
Dear Consultant, We are seeking a senior-level AMD Developer to lead development and optimisation of applications on AMD platforms , working closely with cross-functional teams and guiding technical delivery. Send CV to ( marcillina.tietjen@dcvtechnologies.co.uk ) if you are interested. Contract Type: Contract Work Model: Remote Key Responsibilities Lead development and optimisation of applications on AMD platforms Collaborate with architects and engineers on solution design Conduct code reviews... (więcej)
- Lead development and optimisation of applications on AMD platforms
- Collaborate with architects and engineers on solution design
- Conduct code reviews and enforce best practices
- Troubleshoot and resolve performance issues
- Mentor and guide junior developers
- Proficiency in C / C++
- Experience with Python
- Knowledge of AMD architectures
- Skills in parallel computing and performance optimisation
- Agile / Scrum delivery experience
- Contract Type: Contract
- Work Model: Remote
We are looking for an experienced Frontend Developer passionate about building scalable, high-performance user interfaces. In this role, you will contribute to the development and evolution of a large-scale administrative web platform, ensuring high code quality, maintainability, and performance. Key Requirements 5 years of experience in frontend development, preferably in complex or enterprise-scale environments Strong commercial experience with React (state management, hooks, component... (więcej)
- Develop and enhance a complex React-based administrative platform
- Contribute to frontend architecture decisions and scalability improvements
- Maintain high standards of code quality (Clean Code, SOLID principles)
- Write and maintain unit, component, and end-to-end tests
- Collaborate with cross-functional teams in an agile delivery environment
- 5 years of experience in frontend development, preferably in complex or enterprise-scale environments
- Strong commercial experience with React (state management, hooks, component lifecycle, application architecture)
- Expert knowledge of modern JavaScript (ES2024), including asynchronous programming and modular architecture
- Solid hands-on experience with TypeScript (advanced typing, generics, large-scale React integration)
- Experience integrating frontend applications with REST APIs (HTTP ...
- Nice to Have: Experience working with GraphQL in React-based applications
- Understanding and practical use of software design patterns
You are A Senior Frontend/Fullstack Developer with 4 years of experience, combining deep React expertise with strong Python backend skills. You're passionate about building scalable, modern web applications and thrive in cloud environments. Here, it's not about ticking boxes – it's about thinking outside the box. Your impact zone Design and develop full-stack solutions using React and Python, from concept to deployment Architect scalable frontend applications with a focus on performance and... (więcej)
About Us ERGO Technology & Services S.A. (ET&S S.A.) was established in January 2021 following the integration of ERGO Digital IT and Atena into one entity, leveraging both companies’ strengths and best practices. As a part of ERGO Technology & Services Management AG, the technology holding of ERGO Group AG, we support millions of internal and external customers with state-of-the-art IT solutions to everyday problems. In October 2022, ET&S S.A. expanded its scope of operations by creating a... (więcej)
Dear Consultant, We are urgently hiring Senior Developers with strong Mendix and React Native experience for a global enterprise project . Send CV to ( marcillina.tietjen@dcvtechnologies.co.uk ) if you are interested. Tech Stack Mendix (Advanced level) React Native JavaScript / Angular OR Java / Node.js REST / SOAP APIs Agile delivery ✅ Requirements (Must-Have) 7 years total experience 5 years Mendix development 3 years Mendix native mobile apps 2 years React Native Mendix Advanced Developer... (więcej)
- Work on a global enterprise project using Mendix and React Native.
- Engage in Agile delivery methodologies.
- Must-Have:
- 7 years total experience.
- 5 years of Mendix development.
- 3 years of experience with Mendix native mobile apps.
- 2 years of experience with React Native.
- Mendix Advanced Developer Certification.
- Ability to join within 7 days.
- Tech Stack:
- Mendix (Advanced level).
- React Native.
- JavaScript / Angular OR Java / Node.js.
- REST / SOAP APIs.
- 100% Remote work.
- Immediate start.
- Location preference: East & Southern Europe.
Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted. How freelancing works at Netguru? As a , you can choose what works well... (więcej)
- Design, develop, test, and deploy high-quality software solutions.
- Implement system and data monitors to ensure the correctness of the business process.
- Contribute to multiple team-wide business and tech objectives (beyond just the goals assigned to you).
- Lead cross-functional projects in an agile environment, participate in planning process.
- Scope, decompose, and organize projects for multiple teammates.
- Delegate tasks and coordinate teammates to bring those projects to completion ...
- 8 years of professional software engineering experience, including senior-level responsibility.
- Proven experience leading and mentoring engineers; ability to operate independently and guide teams.
- Strong proficiency in backend development using SQL/Postgres and one or more of: Java, Go, Node.js.
- Deep understanding of data structures and algorithms, with experience building data-intensive, high-scale systems (high velocity and/or high volume data).
- Hands-on experience with cloud ...
- 100-percent remote work; huge flexibility and variety of projects to choose from - work the way you like.
- Work with an experienced team of developers and continuous development of your hard and soft skills.
- A mentor who will assist you during your first days.
- Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review, and bug bashes.
- Long-term collaboration on challenging products (FinTech, B2B software, E-commerce, and more).
Join KUBO as a Senior .NET Developer and work as a consultant with one of our partners – a global provider of logistics services shaping modern supply chain management worldwide. Over the past few years, our partner has been driving an ambitious digital transformation, focused on customer-centric solutions and optimizing IT services. You will be part of a new integration team in Poland, leading the design and development of complex backend integrations that connect systems across international... (więcej)
- Lead the design, development, and maintenance of .NET backend integrations (business-to-business and application-to-application)
- Own the team’s technology stack, including cloud services, messaging, and microservices
- Implement and improve CI/CD pipelines and Infrastructure as Code (IaC) solutions
- Integrate with existing systems using modern cloud services (e.g. RESTful APIs, Message Queues, microservices)
- Troubleshoot and resolve complex integration issues
- Collaborate with multiple...
- 6-7 years of professional experience in .NET development with strong backend skills
- 3 years of experience building cloud-native solutions, preferably on Azure (experience with AWS or GCP transferable)
- Solid experience with distributed systems, messaging, microservices, and integrations
- Familiarity with Infrastructure as Code (Azure Bicep / Terraform / Pulumi)
- Experience with CI/CD pipelines (Azure Pipelines / GitHub Actions / GitLab / Jenkins / TeamCity)
- Strong problem-solving and ...
- Location: Gdańsk
- Work model: Hybrid (2-3 days in the office)
- Employment type: B2B
- Project duration: 6-12 months (with possible extension)
- Salary: Depending on experience
Dla naszego klienta - międzynarodowego softwarehouse'u specjalizującego się w aplikacjach mobilnych i webowych - szukamy Fullstack Developera, który chciałby rozwijać się w nowych projektach. Twój zakres obowiązków: Tworzenie, rozwój i utrzymanie aplikacji webowych Prowadzenie dokumentacji technicznej Dbanie o jakość kodu oraz korzystanie z dobrych praktyk programistycznych Aktywny udział w spotkaniach oraz proponowanie możliwych usprawnień Definiowanie i wdrażanie architektury... (więcej)
- Tworzenie, rozwój i utrzymanie aplikacji webowych
- Prowadzenie dokumentacji technicznej
- Dbanie o jakość kodu oraz korzystanie z dobrych praktyk programistycznych
- Aktywny udział w spotkaniach oraz proponowanie możliwych usprawnień
- Definiowanie i wdrażanie architektury w oparciu o zasady CI/CD
- Minimum 3 lata doświadczenia na podobnym stanowisku
- Dobra znajomość PHP, Laravel, Vue.js lub React.Js, JavaScript i TypeScript
- Znajomość HTML, CSS, Sass, Less
- Język angielski w stopniu komunikatywnym, min. B2
- Doświadczenie w pracy z metodykami zwinnymi
- Mile widziane:
- Doświadczenie z Azure lub inną platformą chmurową
- Znajomość języka francuskiego
- Stabilne i bezpośrednie zatrudnienie
- Pracę hybrydową w Gdańsku (2 dni w tygodniu w biurze)
- Pakiet benefitów: kartę Multisport, prywatną opiekę medyczną, dofinansowanie nauki języków
- Regularne szkolenia i duże możliwości rozwoju
About Us ERGO Technology & Services S.A. (ET&S S.A.) was established in January 2021 following the integration of ERGO Digital IT and Atena into one entity, leveraging both companies’ strengths and best practices. As a part of ERGO Technology & Services Management AG, the technology holding of ERGO Group AG, we support millions of internal and external customers with state-of-the-art IT solutions to everyday problems. In October 2022, ET&S S.A. expanded its scope of operations by creating a... (więcej)
- Designing, coding, and testing complex programs from agreed specifications under consideration of architecture guidelines and coding guidelines.
- Developing and maintaining source system reporting functionalities based on CDS views.
- Implementing and executing unit tests and supporting business testing.
- Processing incidents (analysis, bug fixing) for all issues regarding the application.
- Executing technical application support and carrying out maintenance tasks (bug fixes, business ...
- Good command of business English (at least B2 level).
- University degree in computer engineering / IT and/or similar qualification.
- 8 years of working experience in software development as a developer in (modern) ABAP.
- Knowledge of clean coding, object-oriented development principles, agile development, DevOps technologies.
- Analytical and problem-solving skills.
- Proactive approach to identifying issues and presenting solutions and options.
- Very good interpersonal and communication ...
- Health: Medical package, sports card, and numerous sports sections to help employees stay in good shape.
- Work-Life Balance: Flexible working hours, a confidential employee assistant program, and the possibility of remote working.
- Learning Opportunities: Numerous workshops and training courses, hackathons, meetups, digital learning platforms, and language courses.
- CSR Activities: Participation in several CSR activities to create a better future.
- Team Building: ...
Umowa o pracę
We are looking for a Senior Fullstack Developer to design and develop new features and modules for our ERP system. Form of cooperation: freelance project-specific B2B contract with an estimated duration through the end of 2026 , offering the potential for extension based on project needs and performance. Requirements: Bachelor’s or master’s degree in computer science, Software Engineering, or a related field Proven experience as a Software Engineer with a significant focus on backend... (więcej)
- Design, develop, and deploy robust and scalable applications and services on Microsoft Azure
- Collaborate with product owners, designers, and other engineers to understand requirements and translate them into technical solutions
- Participate in architectural discussions and contribute to the evolution of our system design on Azure
- Ensure the performance, reliability, and security of our applications and infrastructure
- Troubleshoot and resolve complex technical issues
- Write clean, ...
- Bachelor’s or master’s degree in computer science, Software Engineering, or a related field
- Proven experience as a Software Engineer with a significant focus on backend development
- Good experience with C#, .NET and Vue2/Vue3
- Good knowledge on HTML5 / CSS, nHibernate and REST APIs
- Cloud experience on Azure (cloud functions, messaging, storage)
- Docker / containers
- Expertise in SQL, including database design, query optimization, performance tuning, and working with relational ...
- Freelance project-specific B2B contract with an estimated duration through the end of 2026, offering the potential for extension based on project needs and performance.
Umowa o pracę
Poszukujemy superbohatera – Senior Data Engineer (Microsoft Fabric)! ♀️♂️ Zlecono nam misję specjalną w międzynarodowej firmie z sektora ubezpieczeniowego, działającej w obszarze retail insurance i oferującej szeroki wachlarz produktów dla klientów indywidualnych oraz biznesowych. Dzięki tej misji możesz stać się bohaterem naszego klienta i pomóc w budowie nowoczesnej platformy danych opartej o Microsoft Fabric. Poniżej znajdziesz szczegóły oferty oraz supermoce,... (więcej)
- Projektowanie, budowa i utrzymanie procesów ETL w Microsoft Fabric
- Implementacja procesów pozyskiwania i transformacji danych z różnych źródeł
- Integracja danych z systemem Merlin poprzez istniejące API
- Współtworzenie architektury danych oraz standardów pracy w projekcie
- Współpraca z architektami i zespołami klienta w celu wypracowania najlepszych praktyk pracy z Microsoft Fabric
- Budowa oraz rozwój pipeline’ów danych oraz optymalizacja rozwiązań pod kątem ...
- Minimum 5 lat doświadczenia jako Data Engineer
- Bardzo dobra znajomość Microsoft Azure (Data Lake, Azure SQL, Storage, Functions, Synapse lub powiązane usługi)
- Praktyczne doświadczenie z Microsoft Fabric – wdrożenia produkcyjne lub zaawansowane Proof of Concept
- Doświadczenie w procesach pozyskiwania i transformacji danych
- Znajomość integracji API (REST)
- Bardzo dobra znajomość narzędzi ETL/ELT oraz architektury rozwiązań danych
- Umiejętność definiowania ...
- Wybierz sam swoje benefity! – korzystamy z systemu kafeteryjnego
- Szybki (bo 7-dniowy) termin płatności faktur
- Sprzęt służbowy
Umowa o pracę
Salary: 500-800 PLN/day on B2B Work model: elastic hybrid from Gdynia or Gdańsk (at least 2-3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time... (więcej)
- Ensure QA activities are conducted efficiently and properly documented in accordance with established quality standards
- Analyze requirements and design test cases and test scenarios
- Plan, execute, and monitor manual testing activities
- Report, track, verify, and manage defects throughout the development lifecycle
- Recommend appropriate actions based on test results and identified risks
- Identify test cases suitable for automation after manual verification
- Collaborate closely with the ...
- 8 years of professional experience in Quality Assurance
- ISTQB Certification (Foundation level or higher)
- Experience in defining, executing, and reporting tests for complex software systems
- Experience in mobile application testing
- Experience in system testing of modern Web and Mobile UI
- Strong experience in API testing using tools such as Postman or Swagger
- Experience with test management tools (preferably qTest or similar)
- Practical experience working with Jira and Confluence
- ...
- Salary: 500-800 PLN/day on B2B
- Work model: elastic hybrid from Gdynia or Gdańsk (at least 2-3 days per week from the office)
- Flexible work organization
- Opportunity to interact with the English language on a daily basis
- Scandinavian organizational culture providing work-life balance
- Time for additional training (financed by Jit)
- Regular integration meetings within the Jit community