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Intership Node.js, IT | Vention

Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.

With around 500 engineers skilled in Node.js, we build scalable and efficient backend solutions across a variety of industries. Our teams work with popular frameworks including Express.js, Koa.js, NestJS, Sails, LoopBack, and Meteor, and we actively leverage cloud technologies to deliver high-performance applications.

 

What you’ll do:

  • learn core JavaScript & TypeScript fundamentals, async programming, and common design patterns
  • build and maintain backend services using Node..js – design RESTful APIs, handle authentication, data validation, error handling, security, and logging
  • develop frontend portions using React components, state management, routing, and integrating with backend APIs
  • use state management libraries (e.g. Redux) to manage shared application state between frontend and backend interactions
  • work with databases (SQL or NoSQL) on the backend: design schemas, perform CRUD operations, optimize queries, ensure data integrity
  • write unit tests for both backend and frontend code (for Node.js services and React components) using testing frameworks like Jest; also engage in integration testing to verify full stack flows end‑to‑end
  • use version control (Git), CI/CD pipelines, and ensure clean, maintainable, well‑documented codebases

 

What you bring:

  • good grasp of HTML markup and CSS styling
  • good understanding of JavaScript fundamentals
  • understanding of backend development using Node.js
  • basic understanding of React or any other frontend framework
  • understanding the principles of Object-Oriented Programming (OOP) and the ability to apply them practically
  • understanding of using the Git Version Control System
  • a B1 level or higher in English language
  • ability to study 6 hours a day

 


What you’ll get:

  • enjoy personalized learning with intimate group sizes of 3-15 or opt for a one-on-one experience
  • our dynamic curriculum offers a mix of hands-on practice and essential theory, tailored for groups or adjusted to fit individual needs
  • give yourself at least three months to dive deep into the material in a group, or choose an individual internship length that aligns with international standards
  • discover the industry inside out. This internship provides insights into the IT world, giving you a leg up in your future career
  • receive guidance and support from an experienced mentor throughout your internship journey
  • beyond learning, there’s a chance for employment. Successful interns might land a full-time job with us after the program
  • dive into real-world projects! Get hands-on experience with genuine IT challenges and see firsthand the solutions in action

 

Time and place:

hybrid, part-time, Warsaw, Poland

 

Application form:

https://join.ventionteams.com/job-openings/internship-nodejs-warsaw

Intership in Ruby programming | Vention

Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.

What you’ll do:

  • build a strong foundation in Ruby programming, including its core libraries and commonly used design patterns
  • learn to design and consume RESTful and GraphQL APIs using Ruby on Rails
  • gain hands-on experience with unit testing through frameworks like RSpec or MiniTest
  • work on full-stack projects that integrate Ruby on the server side with client-side technologies such as HTML, CSS, JavaScript, and modern frameworks
  • apply your skills in real-world scenarios through practical projects focused on problem-solving

 

What you bring:

  • solid understanding of Object-Oriented Programming (OOP) principles and their practical application
  • theoretical and practical experience developing applications with Ruby and Ruby on Rails
  • knowledge of web development fundamentals, including RESTful APIs, MVC architecture, CRUD operations, and session management
  • experience working with relational databases and SQL, especially using ActiveRecord in Rails
  • familiarity with test-driven development using RSpec or MiniTest
  • understanding of clean code principles and maintainable software architecture
  • basic front-end knowledge including HTML, CSS, JavaScript, and exposure to frameworks like React.js, Vue.js, or Angular
  • English proficiency at B1 level or higher
  • commitment to a learning schedule of approximately 6 hours per day

 


What you’ll get:

  • enjoy personalized learning with intimate group sizes of 3-15 or opt for a one-on-one experience
  • our dynamic curriculum offers a mix of hands-on practice and essential theory, tailored for groups or adjusted to fit individual needs
  • give yourself at least three months to dive deep into the material in a group, or choose an individual internship length that aligns with international standards
  • discover the industry inside out. This internship provides insights into the IT world, giving you a leg up in your future career
  • receive guidance and support from an experienced mentor throughout your internship journey
  • beyond learning, there’s a chance for employment. Successful interns might land a full-time job with us after the program
  • dive into real-world projects! Get hands-on experience with genuine IT challenges and see firsthand the solutions in action

 

 

Time and place:

hybrid, part-time, Warsaw, Poland

 

Application form:

https://join.ventionteams.com/job-openings/internship-ruby-warsaw

Intership in Flutter feature development | Vention

Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.

 

What you’ll do:

  • contribute to end-to-end Flutter feature development — from initial concept to deployment — in real-world mobile applications
  • build the ability to interpret project requirements and craft creative technical solutions aligned with modern Flutter practices
  • refactor and enhance existing app functionalities, focusing on performance and user experience improvements
  • embrace Agile workflows to strengthen your collaboration and communication skills in fast-paced development environments
  • learn to estimate task complexity effectively, balancing scope and resources to meet dynamic project demands

 

What you bring:

  • a foundational understanding of Flutter and mobile app development principles
  • a strong motivation to grow in cross-platform development using modern tools and frameworks
  • a team-oriented mindset and the ability to collaborate effectively with others
  • reliability and commitment to the full duration of the internship, including designated office hours
  • intermediate or higher English proficiency to support clear and efficient communication in a diverse team

 


What you’ll get:

  • enjoy personalized learning with intimate group sizes of 3-15 or opt for a one-on-one experience
  • our dynamic curriculum offers a mix of hands-on practice and essential theory, tailored for groups or adjusted to fit individual needs
  • give yourself at least three months to dive deep into the material in a group, or choose an individual internship length that aligns with international standards
  • discover the industry inside out. This internship provides insights into the IT world, giving you a leg up in your future career
  • receive guidance and support from an experienced mentor throughout your internship journey
  • beyond learning, there’s a chance for employment. Successful interns might land a full-time job with us after the program
  • dive into real-world projects! Get hands-on experience with genuine IT challenges and see firsthand the solutions in action

 

 

Time and place:

hybrid, part-time, Warsaw, Poland

Application form:

https://join.ventionteams.com/job-openings/internship-flutter-warsaw

Contact Administration and Project Management Suppour Trainee with Spanish, English and Polish – Early Careers Program | Alcon

At Alcon, we are driven by the meaningful work we do to help people see brilliantly. We innovate boldly, champion progress, and act with speed as the global leader in eye care. Here, you’ll be recognized for your commitment and contributions and see your career like never before. Together, we go above and beyond to make an impact in the lives of our patients and customers. We foster an inclusive culture and are looking for diverse, talented people to join Alcon.

time type – Part time
time left to apply – 27 grudnia 2025 (można jeszcze aplikować przez więcej niż 30 dni)

Contract Administration and Project Management Support Trainee with Spanish, English and Polish / Early Careers Program

 

We are currently seeking a motivated Intern to join our team and support our Contract Administration processes and support Project Management activities. This is a great opportunity to gain hands-on experience in a dynamic, international environment.

 

Key Responsibilities:

  • Archiving and organizing documentation
  • Uploading documents into internal catalogues
  • Collaborating with technical departments
  • Cooperating with other teams and markets across Europe
  • Monitoring progress of project activities
  • Collaborating across various project teams to ensure smooth exchange of information and action closure
  • Supporting preparation for project activities by logging requirements, documenting testing scenarios, facilitating user management

 

Requirements:

  • Student status (active university enrollment)
  • Availability to work min. 20-30 hours per week in a hybrid model
  • Proficiency in English, Spanish and Polish (spoken and written)
  • Attention to detail and good organizational skills
  • Willingness to learn and work in a team-oriented environment

 

What We Offer:

  • Civil contract for 6 months;
  • Flexible working hours – min.20-30h/weekly;
  • Hybrid work setup;
  • Supportive team and international exposure;
  • Opportunity to develop administrative and cross-functional skills, including project management skills;
  • Opportunity to join mature, stable global company;
  • Friendly working environment and a diverse and highly motivated team ;
  • Very best working environment – Alcon Polska has been recognized as a Top Employer for the two years in a row;
  • Truly international environment and daily interactions with colleagues and stakeholders from all over the world;
  • Modern office with a lot of facilities inside located at NewCity building, 15 Marynarska Street, Warsaw.

 

See your impact at alcon.com/careers

Careers

Game Tester | Lionbridge Games

Typ oferty (praca stała -umowa zlecenie)

Nazwa firmy/instytucji oraz dane teleadresowe: Lionbridge Games,

 

 

Informacje o firmie/instytucji

 

At Lionbridge Games, we bring every aspect of a game to life through localization, translation, audio, and testing projects. Our teams of passionate gamers help developers and publishers deliver exceptional experiences to players worldwide.

Join us and be part of exciting game testing projects with international reach!

 

 

Oferowane stanowisko

 Game Tester with basic knowledge of Unreal, Unity or basic skills in C++, C#, or other programming languages

 

Miejsce zatrudnienia

Warsaw

 

Opis stanowiska/Zakres obowiązków

 

Are you passionate about video games? Whether you’re a strategy master, storyteller, or speedrunner, this is your chance to contribute to the quality of some of the world’s biggest titles. As a Video Game Tester at Lionbridge Games, you’ll play an important role in our projects, ensuring games meet the highest quality standards and provide an excellent experience for players.

 

Your Mission

  • Execute Test Cases:Carry out assigned testing tasks accurately and efficiently under the guidance of your mentor.
  • Identify Issues:Spot bugs, glitches, and inconsistencies within the game and document them clearly.
  • Bug Documentation:Record findings in our test database so the development team can review and address them.
  • Regression Testing:Re-test previously reported issues to confirm they have been resolved.
  • Provide Feedback:Share insights and improvement suggestions that help enhance the overall game quality.
  • Lifecycle Testing:Test the game at different stages to ensure readiness before release.
  • Support Test Updates:Assist in updating and refining testing materials as projects evolve.
  • Learn and Grow:Expand your understanding of testing methods, tools, and gaming platforms.

 

 


Wymagania

Your Player Profile

  • Basic knowledge of game engines (Unreal, Unity) or basic skills in C++, C#, or other programming languages
  • Availability during the week 10 AM – 6 PM
  • Experience is not required: Up to 6 months of experience in testing or a similar role is welcome but not required.
  • Passion for Games: A strong enthusiasm for gaming and familiarity with different genres and platforms.
  • Attention to Detail: Ability to spot even the smallest inconsistencies or irregularities.
  • Collaboration: Enjoys teamwork and contributing to a shared project goal.
  • Communication: Clear written and verbal communication skills in English.

 

 

Oferowane warunki zatrudnienia

Umowa zlecenie

 

Sposób aplikowania

Przez stronę:

https://lionbridge.darwinbox.com/ms/candidatev2/main/careers/jobDetails/a690b80c1bcb8b

 

Data ważności ogłoszenia

Do końca roku 2025

Video Games Tester | Lionbridge Games

Typ oferty (praca stała – umowa zlecenie)

Nazwa firmy/instytucji oraz dane teleadresowe: Lionbridge Games

Informacje o firmie/instytucji

At Lionbridge Games, we bring every aspect of a game to life through localization, translation, audio, and testing projects. Our teams of passionate gamers help developers and publishers deliver exceptional experiences to players worldwide.
Join us and be part of exciting game testing projects with international reach!

Oferowane stanowisko

Video Games Tester

Miejsce zatrudnienia

Warsaw

Opis stanowiska/Zakres obowiązków

Are you passionate about video games? Whether you’re a strategy master, storyteller, or speedrunner, this is your chance to contribute to the quality of some of the world’s biggest titles. As a Video Game Tester at Lionbridge Games, you’ll play an important role in our projects, ensuring games meet the highest quality standards and provide an excellent experience for players.
________________________________________

Your Mission

· Execute Test Cases: Carry out assigned testing tasks accurately and efficiently under the guidance of your mentor.
· Identify Issues: Spot bugs, glitches, and inconsistencies within the game and document them clearly.
· Bug Documentation: Record findings in our test database so the development team can review and address them.
· Regression Testing: Re-test previously reported issues to confirm they have been resolved.
· Provide Feedback: Share insights and improvement suggestions that help enhance the overall game quality.
· Lifecycle Testing: Test the game at different stages to ensure readiness before release.
· Support Test Updates: Assist in updating and refining testing materials as projects evolve.
· Learn and Grow: Expand your understanding of testing methods, tools, and gaming platforms.

Wymagania

Your Player Profile
· Experience is not required: Up to 6 months of experience in testing or a similar role is welcome but not required.
· Passion for Games: A strong enthusiasm for gaming and familiarity with different genres and platforms.
· Attention to Detail: Ability to spot even the smallest inconsistencies or irregularities.
· Collaboration: Enjoys teamwork and contributing to a shared project goal.
· Communication: Clear written and verbal communication skills in English.

Oferowane warunki zatrudnienia

Umowa zlecenie

Sposób aplikowania

Przez stronę:
https://lionbridge.darwinbox.com/ms/candidatev2/main/careers/jobDetails/a690b80c1bcb8b

Data ważności ogłoszenia

Do końca roku 2025

Praktyki w Dziale Administracji | Human Group

Firma Human Group poszukuje dwóch studentów lub absolwentów  na bezpłatne praktyki w warszawskim oddziale naszej firmy.

Biuro mieści się w Atlas Tower przy Alejach Jerozolimskich 123a.

Zakres obowiązków:

  • sporządzanie, przesyłanie i archiwizowanie dokumentów pracowniczych,
  • przygotowywanie raportów i zestawień,
  • zarządzanie danymi w Excelu oraz w firmowym systemie CRM,
  • współpracę z innymi działami organizacji – co pozwoli zdobyć praktyczne doświadczenie w firmie świadczącej usługi z zakresu agencji pracy, outsourcingu procesów oraz rekrutacji specjalistycznych.

W celu zgłoszenia kandydatury lub uzyskania dodatkowych informacji proszę o kontakt na adres: hr@humangroup.pl

Praktyki dla kierunku kosmetologia | Hamak Spa Chill & Beauty

Hamak Spa Chill&Beauty poszukuje praktykantki! ✨

 

Do naszego salonu na Warszawskich Włochach zapraszamy osobę chętną do odbycia praktyk kosmetycznych.

Szukamy osoby, która:

🌿 interesuje się kosmetologią i beauty,

🌿 chce zdobyć doświadczenie w pracy z klientem,

🌿 jest zaangażowana, komunikatywna i lubi pracę w zespole.

 

Oferujemy:

💆‍♀️ możliwość nauki w profesjonalnym salonie,

💅 zdobycie praktycznych umiejętności w zakresie zabiegów pielęgnacyjnych,

🌸 przyjazną atmosferę i wsparcie całego zespołu.

 

📍 Lokalizacja: Warszawa – Włochy

Wyślij swoje zgłoszenie na:

Mail kontakt@hamakspa.pl

 

Oferta ważna do końca roku.

Internship Fronted | Vention Development

Key Responsibilities

 

  • Learn JavaScript, TypeScript, and common design patterns
  • Develop dynamic web applications using frameworks like React, Angular, or Vue.js
  • Work with back-end APIs for data integration on the front-end
  • Use state management libraries such as Redux for React
  • Contribute to server-side logic using Node.js and Express.js
  • Write unit tests with frameworks like Jest and participate in integration testing.
  • Build and enhance a personal project using learned technologies
  • Understand and apply CI/CD pipelines for application deployment
  • Integrate server-side code with front-end technologies (HTML, CSS, JavaScript)
  • Participate in practical projects, collaborating with cloud services and containerization tools

 

Qualifications

 

  • Proficiency in HTML, CSS, and JavaScript fundamentals
  • Familiarity with a JavaScript framework like React, Angular, or Vue
  • Understanding of Object-Oriented Programming (OOP) principles
  • Basic knowledge of TypeScript
  • Experience with Git Version Control System
  • English proficiency at B1 level or higher
  • Commitment to dedicate 6 hours a day to study and development

About us

 

At Vention, we assemble senior-level, dedicated teams of developers to help fast-growing startups and innovative enterprises drive impact and achieve their goals. We’ve delivered solutions across multiple domains, including FinTech, PropTech, AdTech, HealthTech, e-commerce, and more.

Frontend development is one of Vention’s main web-development services. We’ve been a leader in frontend solutions for over 10 years, gaining profound expertise and growing our dev community. We write real code and use a modern tech stack, including React.js, Angular, and Vue.js. We often combine Node.js back-end and the mobile version of React Native in our projects.

The credo of the frontend dev team is to maximize challenging and interesting tasks and minimize bug fixing. They also host regular meetups to discuss the latest news, complex design solutions, and review new tools. Our team is growing and launching new projects – come join us!

Benefits

 

  • Enjoy personalized learning with intimate group sizes of 3-15 or opt for a one-on-one experience
  • Our dynamic curriculum offers a mix of hands-on practice and essential theory, tailored for groups or adjusted to fit individual needs
  • Give yourself at least three months to dive deep into the material in a group, or choose an individual internship length that aligns with international standards
  • Discover the industry inside out. This internship provides insights into the IT world, giving you a leg up in your future career
  • Receive guidance and support from an experienced mentor throughout your internship journey
  • Beyond learning, there’s a chance for employment. Successful interns might land a full-time job with us after the program
  • Dive into real-world projects! Get hands-on experience with genuine IT challenges and see firsthand the solutions in action

Internship Frontend in Warsaw – Career at Vention

Engineer your success!

Internship Data Science | Vention Development

Key Responsibilities

 

  • Participate in building, testing, and maintaining efficient data pipelines to support machine learning workflows. This includes data ingestion, preprocessing, transformation, and ensuring data quality and consistency across environments
  • Contribute to the creation of intelligent agents capable of autonomous decision-making. Assist in integrating these agents into larger systems or applications, ensuring robust performance and scalability
  • Work on extracurricular or research-oriented tasks involving the training, fine-tuning, and evaluation of machine learning models using standard frameworks. Analyze model performance and iterate based on insights and metrics
  • Enhance team collaboration through participation in Agile development processes and understanding professional teamwork dynamics

Qualifications

 

  • Proficient in Python syntax and collections, pip, and Object-Oriented Programming (OOP) basics
  • Good understanding of basic linear algebra (vector and matrix operations), derivatives, and function plots
  • Knowledge of ML fundamentals: overfitting, gradient descent, classification, regression, metrics, and examples of ML models
  • Basic familiarity with Pandas for data manipulation and analysis
  • Knowledge of SQL basics and database schema design
  • Experience training models using PyTorch or other frameworks, understanding of NLP and prompt engineering fundamentals would be a plus
  • Experience developing web services is desirable
  • Experience with web services, Bash, and Linux is desirable
  • English proficiency at B2 level or higher
  • Capacity to study for 6 hours daily

About us

 

At Vention, we assemble senior-level, dedicated teams of developers to help fast-growing startups and innovative enterprises drive impact and achieve their goals. We’ve delivered solutions across multiple domains, including FinTech, PropTech, AdTech, HealthTech, e-commerce, and more.

Our Data team works with clients to create data platforms from scratch or modify and update existing platforms. The tech stack depends on the project, but we mainly use Spark (along with Scala, Python, or Java) – as well as Apache Kafka, Apache Cassandra, Apache Hadoop, Apache Parquet, and AWS.

Internal knowledge transfer activities are conducted within the Data Engineering Family (which includes data practice & data competency) – it is a space for all of our specialists to share their experiences, learn new skills, host meetups, mentor others, and more.

Benefits

 

  • Enjoy personalized learning with intimate group sizes of 3-15 or opt for a one-on-one experience
  • Our dynamic curriculum offers a mix of hands-on practice and essential theory, tailored for groups or adjusted to fit individual needs
  • Give yourself at least three months to dive deep into the material in a group, or choose an individual internship length that aligns with international standards
  • Discover the industry inside out. This internship provides insights into the IT world, giving you a leg up in your future career
  • Receive guidance and support from an experienced mentor throughout your internship journey
  • Beyond learning, there’s a chance for employment. Successful interns might land a full-time job with us after the program
  • Dive into real-world projects! Get hands-on experience with genuine IT challenges and see firsthand the solutions in action

Internship Data Science in Warsaw – Career at Vention

Engineer your success!