CrawlJobs Logo
Vention Logo Vention · IT - Software Development

Middle Full-Stack Engineer

Poland, Krakow 8000.00 PLN / Month · Job Posted March 26, 2026
Apply Position
Job Link Share

Job Description

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.

Job Responsibility

  • Analyze requirements and design technical solutions while contributing to system architecture
  • Implement new features and optimize existing functionality through refactoring
  • Ensure code quality through testing and peer code reviews
  • Collaborate directly with international clients when needed
  • Optional: Mentor junior developers and share knowledge at tech events

Requirements

  • 2+ years of commercial experience in web development as a Full-Stack Engineer
  • Strong hands-on experience with TypeScript, Node.js, Express.js, and NestJS
  • Solid experience with React and Material UI
  • Practical experience working with relational databases (MS SQL, PostgreSQL)
  • Experience with AWS services
  • English level B2 or higher, comfortable communicating in an international environment

What we offer

  • EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
  • Licenses for AI tools: GitHub Copilot, Cursor, and others
  • Private medical care with LuxMed
  • Kafeteria MyBenefit credits for stores, restaurants, and cafés
  • Access to a Multisport membership to stay active
  • Glasses reimbursement program
  • Referral bonuses for bringing in new talent
Vention - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Middle Full-Stack Engineer

8 matching positions

Middle Full-Stack Engineer

Are you passionate about building secure, high-performance applications and work...
Location
Location
Salary
Salary:
Not provided
sigma.software Logo
Sigma Software Group
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • JavaScript / strong
  • Golang / strong
  • React / strong
  • Node.js / strong
  • English / strong
What we offer
What we offer
  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities
  • Fulltime
Read More
Arrow Right

Middle Full-Stack Engineer

We’re looking for a Middle Full-Stack Engineer to join our team at ORIL. We need...
Location
Location
Ukraine
Salary
Salary:
Not provided
oril.co Logo
ORIL
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ years of experience in Full-Stack web development
  • Strong proficiency with Angular (v16) and state management (NgRx)
  • Solid experience with Node.js, with a primary focus on NestJS
  • Deep understanding of JavaScript (ES7+), TypeScript, HTML5, and CSS3
  • Experience with PostgreSQL and caching strategies using Redis
  • Understanding of Layered Architecture and building mobile-first applications
  • Familiarity with Swagger for API documentation and Azure Pipelines for CI/CD
  • English level: Upper-Intermediate (B2), both spoken and written
Job Responsibility
Job Responsibility
  • Develop and maintain both the front-end (Angular 16) and back-end (NestJS) parts of the platform
  • Work on a mobile-first interface to ensure a seamless experience for users on the go
  • Ensure smooth integration with third-party services and internal flight management tools
  • Optimize application performance and maintain high code quality standards
  • Participate in Agile ceremonies and contribute to technical architectural decisions
What we offer
What we offer
  • Competitive compensation
  • Flexibility to work from anywhere (fully remotely or in our office in Lviv)
  • Comprehensive day-off policy, including additional days off for public holidays and special events
  • Accounting Support Services
  • Education budget + corporate education events/trainings
  • Compensation for certifications
  • Compensation for fitness pursuits or therapy sessions
  • Insightful and diverse events (meetups, celebrations, knowledge-sharing)
  • A culture focused on individual growth and team progression
Read More
Arrow Right

Junior/ Middle Full-stack Engineer (AI assisted workflow)

We are currently forming a pre-qualified talent pool and will move forward with ...
Location
Location
Ukraine
Salary
Salary:
Not provided
softermii.com Logo
Softermii
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 2+ years of experience as a software developer
  • Experience with JavaScript (React or Angular) and backend technologies (Node.js, or .NET)
  • Proficiency in spoken English
  • Understanding of business logic and ability to implement features
  • Ability to break down requirements into clear technical tasks and identify edge cases
  • Knowledge of unit and integration tests
  • ability to spot gaps and overfitted tests
  • Familiarity with SOLID principles and Clean Code practices
  • Ability to verify AI-generated code through logical checks and simple questions
  • Awareness of AI limitations and potential errors
Job Responsibility
Job Responsibility
  • Assist in validating AI-generated code and outputs, learning to check correctness efficiently
  • Analyze and break down business requirements into technical tasks
  • Implement frontend and backend features, collaborating with AI-assisted suggestions
  • Write meaningful tests (unit, integration) to check logic and detect obvious gaps
  • Identify simple edge cases and prevent misleading or overfitted tests
  • Follow Clean Code practices and basic architectural principles (SOLID, patterns)
  • Participate in discussions about design and architecture under guidance
  • Learn and improve engineering practices within an AI-assisted workflow
What we offer
What we offer
  • Stable and highly-functioning processes
  • Independence to make decisions that can affect the project and company
  • Team of like-minded experts
  • Individual development plan
  • Mentoring from seniors and leaders
  • Referral bonus
  • 21 paid vacation days
  • 11 paid days off for Public Holidays
  • 5 paid sick leave days per year
  • Volunteer support
  • Fulltime
Read More
Arrow Right

Middle AI-First Product Engineer (Full-Stack)

Indeema is looking for a skilled AI-First Product Engineer (Full-Stack) to join ...
Location
Location
Ukraine , Lviv
Salary
Salary:
Not provided
indeema.com Logo
Indeema Software
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ years in software development with Python
  • Building REST APIs with FastAPI and Pydantic, including data validation, asynchronous programming (AsyncIO), and background task processing
  • Working with relational databases and ORMs (e.g., SQLAlchemy), integrating with external services and APIs (OAuth2/LDAP, WebSockets, third-party APIs)
  • Writing unit and integration tests (Pytest or similar)
  • Developing React (18+) applications with Hooks, modern architecture, TypeScript, and client-side state management
  • Creating responsive UI with Tailwind CSS or similar component libraries
  • Experience working with AI-assisted development workflows and delegating complex tasks to AI agents
  • Practical experience with Google Antigravity (Agent Manager, Artifacts, Skill development) or similar agent-based AI development tools
  • Ability to validate, refine, and maintain code generated by AI systems
  • Collaborating via Git, code reviews, and team-based development workflows
Job Responsibility
Job Responsibility
  • Design, implement, and maintain complex full-stack features, collaborating with AI agents (Google Antigravity, Cursor, etc.) for cross-stack implementation
  • Develop and maintain Antigravity Skills to automate repetitive workflows and improve development efficiency
  • Maintain and optimize core business logic, ensuring high standards of performance, security, and maintainability for both AI-generated and manual code
  • Design and develop RESTful APIs using FastAPI, Pydantic schemas, and SQLAlchemy with efficient database interaction
  • Implement and support integrations with external systems such as Jira and LDAP
  • Manage database migrations with Alembic and maintain containerized environments using Docker
  • Build responsive and accessible user interfaces using semantic HTML and modern frontend practices
  • Participate in code reviews, resolve complex merge conflicts, and collaborate with the team to maintain high code quality
  • Fulltime
Read More
Arrow Right

Middle Full-Stack Developer

We’re looking for a Middle Full-Stack Developer to join a product team building ...
Location
Location
Ukraine , Lviv
Salary
Salary:
Not provided
exoft.net Logo
Exoft
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ years of experience in software engineering
  • Strong proficiency in Java 11/17 and Spring (Boot, JPA, Cloud)
  • Experience with Docker, Hibernate, Redis, PostgreSQL
  • Knowledge of multithreading and concurrency
  • Solid frontend skills with Angular, HTML, CSS, JavaScript
  • Familiarity with RESTful APIs and web services
  • Bachelor’s degree in Computer Science or related field
  • Upper-Intermediate level of English
Job Responsibility
Job Responsibility
  • Develop and maintain backend services using Java 11/17 and Spring (Boot, JPA, Cloud)
  • Implement scalable and secure RESTful APIs
  • Build and maintain frontend components using Angular, HTML, CSS, JavaScript
  • Work with databases (PostgreSQL) and caching systems (Redis)
  • Apply multithreading and concurrency concepts where needed
  • Collaborate with DevOps on containerization using Docker
  • Participate in technical discussions and contribute to architectural decisions
  • Ensure code quality through testing and code reviews
What we offer
What we offer
  • Probation period – 3 (three) month
  • Paid vacation — 18 days + 1 day for each year with us
  • Paid sick leave (14 days of your base year)
  • Wellness program (sport, healthcare)
  • 50% compensation for educational matters
  • Free English courses
  • Teambuildings and corporate events
Read More
Arrow Right

Full-Stack Middle+/Senior Developer

We’re looking for a Senior Full-Stack Developer to join the active development p...
Location
Location
Poland
Salary
Salary:
Not provided
itransition.com Logo
Itransition
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of professional software development experience
  • Strong hands-on experience with ASP.NET Core/C# and Angular (v17–v20)
  • Experience developing and consuming RESTful APIs
  • Good understanding of microservices and containerization (Docker)
  • Experience working with AWS Cloud services (EC2, Lambda, S3, etc.)
  • Solid understanding of software design principles (SOLID, OOP) and database design (SQL/NoSQL)
  • Experience writing and maintaining unit/integration/e2e tests
  • Good spoken and written English for daily communication with the international team
Job Responsibility
Job Responsibility
  • Design, develop, and maintain scalable web applications using ASP.NET Core and Angular (up to v20)
  • Build reusable UI components, control libraries, and design systems
  • Develop and maintain RESTful APIs and integrate them with front-end components
  • Participate in architectural and technical discussions, contributing to best practices and system design
  • Collaborate closely with designers, backend engineers, and stakeholders to ensure intuitive and responsive user experiences
  • Ensure high code quality through unit, integration, and end-to-end tests
  • Contribute to CI/CD pipelines, deployment automation, and DevOps processes in AWS
  • Work in an Agile environment, participating in code reviews, grooming, and sprint ceremonies
What we offer
What we offer
  • Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota
  • Competitive compensation that depends on your qualification and skills
  • Career development system with clear skill qualifications
  • Flexible working hours aligned to your schedule
  • Options to work remotely
  • Corporate medical insurance covering services of private and public medical centers
  • English courses online
  • Corporate parties and events for employees and their children
  • Internal conferences, workshops and meetups for learning and experience sharing
  • Gym membership compensation
Read More
Arrow Right

Senior Java Full Stack Engineer (w/Angular 16+)

We are currently seeking a Senior Java Full Stack Engineer (w/Angular 16+) - FTE...
Location
Location
United States , Smithfield
Salary
Salary:
Not provided
nttdata.com Logo
NTT DATA
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of software development experience using in Java, Spring/Springboot, middle tier restful services
  • 5+ years of Angular 16+ (must be Typescript) experience
  • 5+ years of experience with API/web services - with a strong understanding of RESTful web services
Job Responsibility
Job Responsibility
  • Join a high-impact engineering team, driving our client’s enterprise platform journey—designing and integrating innovative solutions that shape the future of their technology landscape
  • Leverage your full-stack development expertise to build robust, enterprise-grade applications leveraging Java (Spring/Spring Boot), Angular and Cloud services
  • Collaborate within a dynamic, agile team environment while also taking ownership of individual deliverables to ensure the delivery of high-quality, scalable, and maintainable solutions
  • Fulltime
Read More
Arrow Right

Senior .NET Full Stack Engineer

Location
Location
Indonesia , Jakarta
Salary
Salary:
Not provided
thinkartha.com Logo
Artha Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in Technology or equivalent
  • 5+ years of experience
  • Strong knowledge of cloud computing & Microsoft Azure services
  • Programming experience in PowerShell, Python, and C#
  • Experience with Azure SQL Database, Azure DevOps, Azure AD, Data Factory, Key Vault, Function Apps, App Services, API Management
  • Strong understanding of DevOps tools and principles
  • Knowledge of cloud security and compliance standards
  • Strong problem-solving, troubleshooting, collaboration, and communication skills
  • Ability to continuously learn and adapt to evolving cloud technologies
  • Experience with Angular
Job Responsibility
Job Responsibility
  • Design scalable and secure cloud solutions using Microsoft Azure
  • Manage deployment and operations of applications on Azure
  • Collaborate with IT and development teams on cloud strategies
  • Develop front-end applications, databases, and middle-tier services
  • Implement CI/CD pipelines and DevOps practices
  • Ensure cloud solutions integrate with existing systems
  • Monitor and optimize cloud performance
  • Contribute to technical design and full-stack development
Read More
Arrow Right