Jobs

QA Madness is a European IT service company focusing strongly on QA and cyber security. The company was founded in 2013 and is headquartered in Poland.

Currently, we are searching for an experienced Full-Stack Developer to work in an existing team developing new features in the micro-services that support our SaaS platform. You will play a key role in delivering the platform roadmap and contribute to its architecture by following best practices to deliver high-quality, well-tested, scalable, and secure code using SCRUM-based agile methodology.

Must have good communication skills in English.

EXPERIENCE:

— 3+ years of commercial experience in delivering React, Vue or Angular applications;
— 3+ years of commercial experience in delivering microservice architectures using Node.js and clean, modern JavaScript;

— Using software design principles to deliver features;

— Understand software design principles.

— Containerised service development (Docker/Kubernetes);

— Writing unit, integration, and acceptance tests to drive high-quality code design.

RESPONSIBILITIES:

— Working in a small team, implementing features by writing clean and secure code;

— Complete sprints and take part in sprint planning, backlog grooming, retrospectives, and daily stand-ups.

REQUIRED SKILLS:

— Modern JavaScript;

— React, Vue, Angular;

— Redux;

— NextJS;
— Node.js;

— Typescript;

— Semantic HTML, CSS;

— Build tools (Webpack, Babel, NPM, Yarn or equivalent);

— Component Driven Development;

— CI experience (CircleCI or equivalent);

— Version Control (Git or equivalent);
— Unit Testing (Ava or equivalent);

— Test Coverage (Istanbul or equivalent);

— MongoDB;

— Cloud Storage (Azure Blob or equivalent);

— Messaging (Azure Service Bus/RabbitMQ or equivalent);

— Search Engines (Elasticsearch or equivalent)

— Test frameworks (Jest, Enzyme, React Testing Library or equivalent);

— At least an Upper-Intermediate level of English (effective written and verbal communication).

 DESIRED SKILLS:

— Apollo/GraphQL;

— Secure coding practices (SAST – SonarCloud, OWASP or equivalent);

— End to End Testing (WebDriverIO, Cypress, Playwright or equivalent);

— Containerised service development (Docker/Kubernetes);

— Azure Media Services;

— ImageMagick;
— Experience with PHP;

— SAST (SonarCloud or equivalent).

 

WE OFFER:

— Competitive salary in USD or EUR and good compensation package (reviews on demand to ensure your compensation reflects your growth and impact);

— Corporate English courses with native speakers;

— Personal time off (20 calendar days of paid vacation, 12 paid sick leaves);

— Health insurance with the broker, which is available from 3 months of cooperation;

— Remote work opportunity;

— Flexible work schedule (Enjoy the freedom to start your 8-hour workday at a time that fits your schedule best, anytime between 8 a.m. and 11 a.m.);

— Necessary equipment to perform work tasks;

— The ability to focus on your work: a lack of bureaucracy and micromanagement (no tracking tools).

Please note, this job is a full-time position, and it is relevant only if you meet all requirements. Any candidate who fails to meet the requirements will not be considered for the job.

*I give consent to the processing of my personal data uploaded via the form under the terms and conditions of QA Madness Privacy Policy (Processing of Candidates Personal Data).

Description

Pluto TV is looking for an experienced Senior Full Stack Software Engineer for development of new, as
well as enhancement of existing applications powering its Enterprise Platform, which includes PlutoTV’s
centralized platform management tool, middleware, and supporting backend services including but not
limited to database access, event management, as well as authorization and authentication services.
Candidates should have exposure on how to integrate with external systems. Candidates must have
hands-on experience with Golang, Javascript, Node, Express, React and similar JavaScript-based
technologies, strong experience building solutions with AWS or Google Cloud Services.

Requirements

Desired Qualities / Experience

● Familiarity with observability and monitoring tools
● VOD Streaming experience is desired
● Familiarity with authorization and authentication principles is desired
● Familiarity with 3rd party authorization and authentication apis and software is desired

Job responsibilities

Responsibilities Include:
This is a critical role with a wide range of responsibilities, including:

● Design, implement and deploy new scalable and secure Golang and Node.js services
● Design and maintain data intensive high throughput GRPC and RESTful APIs
● Participate in code reviews and ensure developers adhere to team’s best practices and
processes
● Develop technical requirements for new projects or improve existing projects with teams
● Monitor and improve team engineering metrics
● Ensure priority tasks such as production issues are investigated and resolved in a timely manner
Required Qualities / Experience
We believe the right individual will have the following skills and experience in order to be successful in this
role:
● BS degree or higher in Engineering, Computer Science, or a related field required
● 7+ years of software engineering experience
● 3+ years of experience developing application services using Golang, Node, and front-end
frameworks/libraries like React

● 3+ years of experience building highly scalable, performant and responsive web applications
● 3+ years of experience developing applications deployed on AWS or GCP
● 3+ years of experience with Linux systems or shell scripting
● 2+ years of Typescript experience
● 2 + years of Golang experience
● 3 + years of experience with writing and using APIs to consume data and push data to
MongoDB
● Excellent problem solving, critical thinking, and communication skills
● Experience with as much of our technology stack as possible: Redis, Git, AWS, Kubernetes
● Experience working within a globally distributed team

We are seeking an experienced Senior Backend Engineer to join our dev department. Our backend is developed all in Python running in the cloud over k8s. It's not a typical backend interacting with a UI frontend, handling audio streams in real-time. Our systems integrate with a large number of third party services. Because of the myriad of challenges and the fast pace of a startup, each team member gets to experience a lot of professional growth and ownership. About the role:

In this role, you will:
● Integrate with new POS systems and digital menu boards
● Build data pipelines to process restaurant menus
● Support existing integrations and pipelines
● Debug and solve complex customer issues
● Lead communication with integration partners to deliver the integrations
● Estimate, plan and deliver the integration projects
● Handle a large set of complex and diverse customer issues
● Create documentation for integrations

Qualifications:
● BSc in Software Development or equivalent industry experience
● 5+ years experience in Python

● 3+ years experience in React
● Strong backend development and software architecture skills
● Experience in developing and deploying multiple projects used in production
● Proficient with Async IO
● Experience with CI/CD, Clouds (AWS/GCP/Azure), Linux, Docker, Kubernetes, 3rd Party API integrations
● Experience with Data Pipelines, ETL
● Prior experience working in startups
● 2+ years of experience as a tech lead or team lead

Bonus:
● Knowledge of concurrency
● Experience with React

Qualities We're Looking For
● Resilience – being able to balance planned work with real-time issues in a fast-paced, high-pressure environment
● Strong communication skills – in both written and verbal communication, with the ability to produce crisp and clear documentation
● Problem solver
● Strong ownership and independence
● Team player
● Fast
● Star Performer
● Passionate about their work

Опис
We’re looking for a Full-Stack JavaScript/TypeScript Engineer (Node.js + React/AntD) to join a cross-functional team. You’ll ship features end-to-end: design APIs and integrations, build clean UIs, and ensure performance and reliability. We value pragmatic thinking, clean code, and the ability to drive tasks to release.

Вимоги
Hard Skills
- Strong proficiency in TypeScript and JavaScript
- Ability to navigate and discern when to use different popular Node.js frameworks
- Experience in backend development using Node.js
- Knowledge and application of REST API principles
- Experience with relational and non-relational databases
- Experience with popular frontend libraries such as ANTD
- Experience integrating with various third-party systems
- Understanding of Git (beyond basic commits and the concept of a main branch)
- Basic knowledge of web security

Soft Skills
- Proactivity 
- Ability and willingness to understand and solve problems using various technologies
- Effective communication with stakeholders
- Desire for growth 
- Analytical skills with the ability to advocate for your opinions convincingly

Обов'язки
 

- Write clean, maintainable, and efficient code following SOLID/DRY and team standards.
- Integrate with external services and APIs with proper auth, retries, timeouts, and error handling.
- Design and maintain databases (schemas, indexes, migrations) and optimize queries.
- Diagnose, reproduce, and fix bugs.
- Create and maintain documentation.
- Participate in code reviews and architectural discussions; propose improvements.
- Join team ceremonies and planning.
- Ensure data security and mitigate vulnerabilities.
- Optimize server and application performance.

Буде плюсом
- Experience with AWS (S3, Lambda, Step Functions, SQS, CloudWatch) or similar services from other cloud providers
- Proficiency in Docker (writing simple Dockerfiles, logs) 
- Working with Serverless architecture

Умови роботи
- ​full time
- flexible work time
- corporate benefits
 

We are looking for a motivated Junior Full Stack Developer (Nest.js + Next.js) who is eager to grow in web development and gain hands-on experience working on projects. If you have a solid understanding of the basics, are passionate about coding, and want to become a Middle developer, this opportunity is for you!

Requirements:

— 0.5 + years of software development using JavaScript
— Experience with Node.js / Express.js and working with databases (MongoDB or PostgreSQL)
— Experience with React.js and preferably Redux
— Experience with Next.js and Nest.js
— Familiarity with HTML5, CSS3 (and a CSS pre-processor of choice)
— Experience with REST APIs and understanding of RESTful architecture
— Basic understanding of Git
— Knowledge of Agile practices (preferably SCRUM)

Nice to have:

— Zustand, RTK Query or React Query
— API design experience (Swagger / OpenAPI or similar)
— Strong troubleshooting skills and testing across platforms/browsers

 We offer:

— Mentorship and continuous support in your growth
— Opportunity to work on projects with modern technologies
— Involvement in simple deployment of frontend and backend
— Possibility of working remotely, flexible schedule
— Career growth to Middle level

About the role

We are building a revolutionary system at the frontier of technology and AI.

As a Software Engineer, you won’t just write code — you will shape the future of how apps are built. You’ll be part of the early execution engine—shipping core capabilities, refining the experience, and elevating reliability. Expect tight loops, clear ownership, and visible impact. You will engage directly with first clients, adapt the platform to their needs, and set the stage for the next generation of software creation.

What we’re looking for

We want someone who doesn’t just “fit the role” but defines it:

• Open-minded explorer — ready to try bold ideas, new approaches, and cutting-edge tools.
• Hacker mindset & problem solver — able to connect the dots across complex systems and find elegant solutions.
• Analytical & resilient — thrives in debugging intricate, interconnected architectures.
• Startup speed enthusiast — comfortable hacking fast, shipping early, learning from feedback, and polishing later.
• Experienced in Cursor or Claude Code.
• Passionate about vibe-coding  — turning AI into your engineering team-mate.
• Natural leader — with the drive to inspire and guide people.

Why join us?

• Be among the first engineers driving a bold, world-changing vision.
• Work at the bleeding edge of technology and AI, where experimentation is not just allowed but expected.
• Direct influence on product.
• A chance to build something that reshapes how things get done in today’s world.
• A team that values curiosity, creativity, and the pure joy of hacking together the future.

This isn’t just another job. This is your chance to engineer the future of software itself.

Technical stack

Core technologies:

• TypeScript, React.js, Next.js
• ClickHouse, PostgreSQL, Redis
• Docker / Kubernetes
• Kafka
• Supabase, Inngest, Posthog

Nice to have:

• Vue.js
• Python
• Go
• Ruby

Hiring Process

Stage 1: Interview with HR (1h).
Stage 2: Technical assignment.
Stage 3: Interview with VP of Engineering.
Stage 4: Interview with the team.

What we offer for your success

• Very warm and friendly working environment and flexible working schedule.
• 20 days off + paid national holidays, and 12 sick days paid by the company per year.
• Medical insurance, and health protection programs (with COVID-19 and dental coverage).
• Continuous professional development and growth opportunities.

Senior Full-Stack Developer with DevOps skills, backed-oriented:
- Strong expertise in React, React Native, and TypeScript/Node.js !!!
- Proven experience with AWS serverless (Lambda, API Gateway, Aurora Serverless, Cognito) !!!
- Рівень англ мінімум В2.
- тривалість залучення 3 місяці орієнтовно.
 

We are looking for an experienced Lead Full Stack Engineer to take a leading role in the development of a new Legislative Tracker platform, designed to monitor and analyze political and legislative developments in the UK. In this role, you will design and implement scalable, secure solutions while guiding key technical decisions and ensuring high-quality delivery.

In this role, you will work across the full stack, covering React frontends, Node.js services, and AWS-powered backends in close collaboration with client stakeholders.

Responsibilities:

• Ensure high-quality delivery covering both functional and non-functional requirements (security, performance, scalability etc)
• Participate in technical discussions and own key technical decisions, ensuring solutions are aligned with best practices
• Design and implement end-to-end features across frontend and backend in a fast-paced environment
• Communicate effectively with both technical and non-technical stakeholders from the client side on a daily basis
• Refine requirements, manage dependencies, and contribute to backlog prioritization and planning
• Engage independently with stakeholders to translate business needs into working solutions
• Contribute to platform improvements and technical strategy

• Drive engineering quality by reviewing code, contributing to testing and CI/CD, etc.

   

Frontend:

• 5+ years of commercial experience working as Front-end developer (JavaScript, TypeScript)
• Experience developing web applications using React
• Experience with NextJS, Styled Components, Jest, React Testing Library (Playwright/Cypress a plus)
• Experience with the App Router (Form Submission experience in the app router (Everything is forms))

Backend:

• 5+ years of commercial experience working as Node.js developer
• Expertise in working with MariaDB/MySQL, Dynamo DB, ElasticSearch, GraphQL

• Knowledge of AWS (Lambda) and microservices architecture, Typescript, MSSQL

   

General:

• Upper-intermediate+ English level
• Contribute high-quality code to the Political Intelligence platform and guide others through technical reviews
• Create technical design and define a general approach to build from scratch a Legislative Tracker platform following UK politics
• Hands-on involvement in CI/CD, quality assurance, testing activities, etc
• Comfortable working independently and engaging directly with stakeholders to clarify requirements

System for collaboration and communication between biologists and fish farms employees: internal messaging,reporting and statistical data visualization, documents and multimedia sharing, user accounts management, external data sources integration.

Technology stack: ASP.NET WebAPI 2.0, NET Core, HTML, CSS, Javascript (ES5, ES6), MSSQLEntity Framework, Webpack, React, Topshelf, Quartz.NET

IN THIS ROLE YOU WILL:

• Develop applications
• Write new program code; maintain existing code using prescribed specifications
• Participation in the preparation of technical specifications and functional descriptions
• Work with a team in Agile environment
• Perform other related duties as required

WHAT YOU BRING ALONG:

• 1+ years’ experience in web applications development
• Strong knowledge of .Net Framework
• Strong knowledge of Entity Framework
• Strong knowledge of REST APIs Strong knowledge of React, Webpack, HTML, CSS, JavaScript
• Understanding of software product lifecycle
• At least Intermediate spoken and written English level

WHAT WE OFFER:

Professional development:

• Highly experienced professional community
• Personal development plan and regular Performance Appraisal
• Transparent rotation process with an opportunity to switch between different roles, projects, or technology stack
• Attendance of professional conferences, meetups, and certifications (coverage upon business needs)
• Internal training programs, free SmartTalks, and TechTalks inside the company
• Corporate English classes

Well-being:

• Flexible schedule and possibility to work remotely: feel free to choose an option upon your preferences
• Paid vacation annually
• Paid sick leaves annually
• Health insurance

CANDIDATE’S JOURNEY MAP:

Candidates application ---> CV-based Interview with Recruiter ---> Hiring Manager Interview ---> Technical Interview ---> Job offer ---> Welcoming in Vector Software

 Requirements

• Solid experience with JavaScript, TypeScript, and Node.js
• Strong skills in React and the Remix full-stack framework
• Familiarity with Tailwind CSS
• Experience with Zustand (state management)
• Comfortable with Supabase (Auth, Database, Buckets for storage)
• Experience deploying applications to Vercel
• English: Intermediate+ (verbal and written)
  
   

 Nice to Have:

• Experience building admin panels or CRM systems
• Experience with trigger.dev
• Experience with social media applications
• Work with custom visual editors or tools like Canva
• UI/UX-oriented mindset
  
   

 Technical Challenges 

• Developing a scalable custom CRM for hotels
• Maintaining integrations with various OTAs
• Building and improving a custom Canva-like editor
• Supporting a product already in production while iterating rapidly
• Trial period: up to 2 months (depending on skills and availability)

• Working hours: 8-hour workday (flexible schedule)
• Vacation: 24 paid working days per year
• Sick leave: up to 10 paid days annually (non-transferable)
• Perks: 50% reimbursement for gym membership and professional conferences

Company Description

Revolutionize your business strategy with Switch-IO. Introducing the ultimate synergy of Business Intelligence (BI) and Financial Planning & Analysis (FP&A) in a single, seamless platform. With Switch-IO, you'll empower your team to make data-driven decisions with confidence, streamline financial planning processes, and drive your business towards success. Say goodbye to siloed data and hello to a unified, powerful platform that unlocks your business's full potential.

Job Description

Responsibilities:

• Build and maintain full-stack web applications using .NET 8+, React, and PostgreSQL.
• Develop backend services using .NET Core, ensuring data integrity with PostgreSQL.
• Create responsive and user-friendly interfaces with React.
• Integrate cloud services using AWS (EC2, Lambda, RDS, S3, etc.).
• Ensure the applications are secure, scalable, and maintainable.
• Write clean, efficient, and testable code.
• Troubleshoot and fix issues across both frontend and backend.
• Participate in code reviews and provide feedback to improve overall code quality.

Requirements:

• 1 + years of experience in .NET (C#) and React development.
• Solid experience with modern .NET, Entity Framework, and RESTful APIs.
• Experience with React and frontend technologies (JavaScript, HTML, CSS).
• Familiarity with relational databases like PostgreSQL.
• Basic experience with cloud technologies, especially AWS (EC2, Lambda, RDS, S3).
• Good problem-solving skills and attention to detail.
• Ability to work independently and collaborate in a remote team environment.
• Strong communication skills in English.
• Experience with third-party integrations, including approaches like OAuth2.

Nice-to-Have:

• Experience with containerization (e.g., Docker).
• Experience working with chart libraries like ReCharts.

Our Customer:
Our client has developed a fully-present, richly-communicative virtual care coordinator powered by AI. This care navigator can make thousands of highly personalized phone calls every day, transforming remote care management and helping to overcome the critical shortage of skilled nursing staff.

Required experience and skills:

• At least 6 years of professional experience in Full-stack development;
• 4+ years of professional experience in backend development (Python);
• 4+ years of professional experience in frontend development;
• 2+ years with React.js;
• Experience building AI-powered applications (e.g., integration of ML models, NLP, conversational AI, or predictive analytics);
• Experience in applications utilizing relational databases as part of the overall application architecture (MySQL or Postgres);
• Experience designing and defining architecture, including writing design reviews and test plans as part of launching software products;
• Bachelor’s degree in Computer Science or equivalent;
• Strong technical problem-solving skills;
• English — Upper-Intermediate.

Would be a plus:

• Experience in CI/CD processes;
• Experience with Cloud (AWS preferred);
• Experience with Redis or similar In-memory key-value databases;
• Web development experience — API, Flask, FastAPI, AsyncIO;
• Experience with Microservices, Docker, Kubernetes;
• Experience applying AI/ML in healthcare, voice technologies, or automation scenarios.

Working conditions:

• 5-day working week, 8-hour working day, flexible schedule;
• All public holidays are days off;
• Vacation and sick leave are covered by the company;
• Remote work.

We are looking for an experienced Lead Full Stack Engineer to take a leading role in the development of a new Legislative Tracker platform, designed to monitor and analyze political and legislative developments in the UK. In this role, you will design and implement scalable, secure solutions while guiding key technical decisions and ensuring high-quality delivery.

In this role, you will work across the full stack, covering React frontends, Node.js services, and AWS-powered backends in close collaboration with client stakeholders.

Responsibilities:

• Ensure high-quality delivery covering both functional and non-functional requirements (security, performance, scalability etc)
• Participate in technical discussions and own key technical decisions, ensuring solutions are aligned with best practices
• Design and implement end-to-end features across frontend and backend in a fast-paced environment
• Communicate effectively with both technical and non-technical stakeholders from the client side on a daily basis
• Refine requirements, manage dependencies, and contribute to backlog prioritization and planning
• Engage independently with stakeholders to translate business needs into working solutions
• Contribute to platform improvements and technical strategy
• Drive engineering quality by reviewing code, contributing to testing and CI/CD, etc.

Frontend:

• 5+ years of commercial experience working as Front-end developer (JavaScript, TypeScript)
• Experience developing web applications using React
• Experience with NextJS, Styled Components, Jest, React Testing Library (Playwright/Cypress a plus)
• Experience with the App Router (Form Submission experience in the app router (Everything is forms))

Backend:

• 5+ years of commercial experience working as Node.js developer
• Expertise in working with MariaDB/MySQL, Dynamo DB, ElasticSearch, GraphQL
• Knowledge of AWS (Lambda) and microservices architecture, Typescript, MSSQL

General:

• Upper-intermediate+ English level
• Contribute high-quality code to the Political Intelligence platform and guide others through technical reviews
• Create technical design and define a general approach to build from scratch a Legislative Tracker platform following UK politics
• Hands-on involvement in CI/CD, quality assurance, testing activities, etc
• Comfortable working independently and engaging directly with stakeholders to clarify requirements

We are looking for an experienced Lead Full Stack Engineer to take a leading role in the development of a new Legislative Tracker platform, designed to monitor and analyze political and legislative developments in the UK. In this role, you will design and implement scalable, secure solutions while guiding key technical decisions and ensuring high-quality delivery.

In this role, you will work across the full stack, covering React frontends, Node.js services, and AWS-powered backends in close collaboration with client stakeholders.

Responsibilities:

• Ensure high-quality delivery covering both functional and non-functional requirements (security, performance, scalability etc)
• Participate in technical discussions and own key technical decisions, ensuring solutions are aligned with best practices
• Design and implement end-to-end features across frontend and backend in a fast-paced environment
• Communicate effectively with both technical and non-technical stakeholders from the client side on a daily basis
• Refine requirements, manage dependencies, and contribute to backlog prioritization and planning
• Engage independently with stakeholders to translate business needs into working solutions
• Contribute to platform improvements and technical strategy
• Drive engineering quality by reviewing code, contributing to testing and CI/CD, etc.

Frontend:

• 5+ years of commercial experience working as Front-end developer (JavaScript, TypeScript)
• Experience developing web applications using React
• Experience with NextJS, Styled Components, Jest, React Testing Library (Playwright/Cypress a plus)
• Experience with the App Router (Form Submission experience in the app router (Everything is forms))

Backend:

• 5+ years of commercial experience working as Node.js developer
• Expertise in working with MariaDB/MySQL, Dynamo DB, ElasticSearch, GraphQL
• Knowledge of AWS (Lambda) and microservices architecture, Typescript, MSSQL

General:

• Upper-intermediate+ English level
• Contribute high-quality code to the Political Intelligence platform and guide others through technical reviews
• Create technical design and define a general approach to build from scratch a Legislative Tracker platform following UK politics
• Hands-on involvement in CI/CD, quality assurance, testing activities, etc
• Comfortable working independently and engaging directly with stakeholders to clarify requirements

About the Project
We’re partnering with a healthcare-related procurement platform built on Lovable and Supabase. The system already exists but requires further development to improve scalability, security, and analytics. Planned work includes building new features, implementing reports and dashboards, and refining the overall architecture.

Tech Stack
Frontend/Fullstack: Lovable (primary framework)
Backend & Database: Supabase (Postgres-based)
Other tools: GitHub/GitLab for version control, modern JS/TS tooling

Your Responsibilities
- Review and improve the existing Lovable + Supabase codebase.
- Design and implement new features, including reporting and analytics modules.
- Enhance system scalability, security, and performance.
- Collaborate directly with the CTO and QA to define requirements, deliverables, and test cases.
- Provide accurate milestone-based estimates and deliver reliably against agreed timelines.

Who We’re Looking For
- 3+ years of professional full-stack development experience.

- Solid hands-on experience with React, Next.js, Node.js.

- Experience with Supabase or PostgreSQL backends.

- Strong knowledge of Lovable (or ability to quickly ramp up on it).

- Understanding of authentication, security, and scalability best practices.

- Upper-intermediate English — able to communicate directly with the CTO.

- Self-starter with excellent problem-solving and organizational skills.