Middle Frontend Developer Job at Sigma Software Group (Brasília)

Middle front-end developer

Looking for a skillful front-end developer

Location

Ukraine , Lviv

Salary:

Not provided

UPQODE

Expiration Date

Until further notice

Requirements

2+ years of relevant front-end development experience
2+ years of experience with JavaScript (ES6+)
Knowledge of React is a must
Fluent user of jQuery and\or analogs
Strong knowledge of HTML5 and CSS3
Proficient in front-end frameworks, specifically Bootstrap
Responsive and cross-browser development
Proficient in SASS, Gulp, BEM, Git, Nunjucks
Excellent communication, prioritization, and time-management skills
Intermediate English

Job Responsibility

Conversion of PSD and Sketch mockups to FrontEnd
HTML development for WordPress
WordPress themes development (HTML, Shortcodes)
Custom WordPress Development projects from scratch
Custom WordPress Development of existing projects
Cooperate in a SCRUM team with developers and other units (QA, Back-end, Design, Support, etc.)
Support the existing code, fix bugs

What we offer

Challenging tasks, professional growth opportunities, and mentorship
Competitive salary (reviewed regularly)
Paid vacation, paid sick leave
Health insurance
Cozy office located near Forum Lviv
Free English courses
Comfortable office in the center of Lviv
Cool team and corporate events

Full Stack Developer (.Net, Angular, Azure) - Unite

Unite Cloud is a cloud-native platform, fully built, deployed, and operated in M...

Location

Ukraine , Kyiv

Salary:

Not provided

3Shape

Expiration Date

Until further notice

Requirements

Degree in Computer Science, Engineering, or equivalent practical experience
4+ years of professional software development experience
Solid experience with .NET / ASP.NET Core
Hands-on experience with frontend development (Angular or similar SPA frameworks)
Experience building and maintaining microservice-based systems
Experience working in cloud-native environments
Strong hands-on experience with Microsoft Azure
Understanding of domain-driven design and event-driven architecture
Strong sense of ownership and responsibility
Ability to work independently and as part of a distributed team

Job Responsibility

Develop and maintain backend services using .NET
Ensure high code quality through code reviews, refactoring, and adherence to best practices
Design and integrate RESTful APIs between the frontend and backend
Operate, debug, and maintain cloud-based systems running in Azure
Work with Azure as the primary and only runtime environment
Contribute to Infrastructure-as-Code solutions (we use Pulumi)
Implement and evolve frontend functionality using Angular
Improve system maintainability by designing and implementing automated tests
Participate in CI/CD pipelines and deployment workflows using GitHub Actions
Collaborate closely with team members across locations and disciplines

What we offer

24 working days of annual vacation
medical insurance
paid sick leaves and child sick leaves
maternity and paternity leaves
Breakfasts and lunches in the office
Good working conditions in a comfortable office in UNIT.City
A parking lot with free spaces for employees
Occasional business trips to Western Europe

Fulltime

Middle Frontend Developer

As a Middle Frontend developer you will be a part of Car Market team in QIC app....

Location

Qatar , Doha

Salary:

Not provided

QIC digital hub

Expiration Date

Until further notice

Requirements

Over 3 years of experience as a Frontend Engineer in our stack technologies
Proficient in Vue.js 3 and Nuxt 3
Strong understanding of JavaScript, TypeScript, HTML5, CSS3, and SСSS
English level B2 or higher

Job Responsibility

Develop user interfaces using Vue 3 and Nuxt 3, ensuring seamless performance across different devices and screen sizes
Work closely with UI/UX designers to transform design mockups into high-quality code
Work with backend developers to integrate frontend components with APIs and other services
Follow coding standards and best practices to produce code that is easy to understand and maintain

What we offer

Extra paid leave
Language classes
Meeting with experts
Professional development
QIC running club
Relocation support
Remote health insurance
Tax consultations
Travel discounts
USD, EUR, or AED salary payouts

Fulltime

Middle Frontend Developer

We are an IT company, JATAPP, creating products that are used by millions of use...

Location

Salary:

Not provided

JatApp

Expiration Date

Until further notice

Requirements

Experience with Vue.js 3 (Composition API) from 2 years
Deep understanding of reactivity, state management (Pinia/Vuex)
Experience with performance optimization (lazy loading, hydration, code-splitting)
Understanding of component architecture, Storybook, design system
Knowledge of HTML5, CSS3/SASS, responsive layout
Knowledge of TypeScript
Experience with Git flow, code review, pull request culture
Understanding of REST vs GraphQL, API versioning
Experience with analytics and integrations (3rd party SDK, payment gateways, PSP)
English B1

Job Responsibility

Development and support of web products and funnels with a focus on speed, conversion and stable operation
Building a flexible technical infrastructure that allows you to quickly launch new projects and test product hypotheses (ongoing process)
Integration with external services, analytical systems, AI
Optimization of performance, UX and technical stability of web solutions
Collaboration with product, analytical and marketing teams to build fast and measurable experiments

What we offer

Mental and Physical Health: health care is a must, so at JATAPP we will cover health insurance for you
Benefits Cafeteria: choose what you like most — sports, food delivery, home office supplies — and we will cover your expenses under available budget
Knowledge sharing: such events are our way to grow together. We gather to discuss new trends, share our own insights, and elevate one another
Remote-First Culture: it’s up to you whether to work remotely or at our coworking space
Personal Equipment Policy: no tech troubles — you’ll get a MacBook and everything you need for comfortable and efficient work
Learning and Development Opportunities: it's a real pleasure for us to watch you learn, so we're happy to cover your learning and development costs, as well as English courses.
Community of like-minded people: at JATAPP you will work in a team of like-minded people who are ready to launch a product, run a marathon, or climb Hoverla together
Creative freedom: we encourage initiative and creative thinking, so with us, you can be yourself and have the freedom of professional expression
Legal & Finance Support: we cooperate with the best financiers and lawyers who will be ready to help solve any of your questions upon request
Time-off Policy: 20 vacation days per year, 5 days for sick leave without medical confirmation, unlimited sick leaves with a doctor's note, 3 personal days, and 2 days off for special events or occasions

Fulltime

Full-Stack Middle Developer

We are looking for a Middle Full-Stack Developer. This role involves designing a...

Location

Salary:

Not provided

Itransition

Expiration Date

Until further notice

Requirements

2+ years of experience in IT
Knowledge of PHP 7-8.1 and JavaScript
Experience with any PHP frameworks (Symfony, Laravel, Yii, etc.)
Experience with Frontend development (HTML 5, JavaScript / TypeScript, React/Vue, etc.)
Knowledge of MySQL or other RDBMS, NoSQL solutions
Excellent command of the Git
English level – B2-C1

Job Responsibility

Designing and developing scalable solutions
Mix of frontend (around 50%) and backend (50%) tasks

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

Senior / Middle+ React Engineer (with Java Experience)

Dinarys GmbH is looking for a Senior/Middle+ React Engineer with Java experience...

Location

Salary:

Not provided

Dinarys GmbH

Expiration Date

Until further notice

Requirements

Strong commercial experience with React and modern frontend ecosystems
Solid experience with Java and Spring Boot in production environments
Understanding of full-stack application architecture and REST APIs
Experience working with AWS and Kubernetes
Ability to work independently, take ownership, and contribute to product evolution
Upper-Intermediate English or higher

Job Responsibility

Design, develop, and maintain complex frontend features using React
Take ownership of frontend architecture and contribute to technical decisions
Develop and support backend services using Java and Spring Framework
Integrate frontend applications with RESTful backend APIs
Ensure high performance, scalability, and maintainability of the platform
Participate in code reviews, architecture discussions, and technical improvements
Collaborate closely with Product, Design, and Engineering teams

What we offer

Strong engineering culture and open communication inside the team
Supportive management that encourages initiative and ownership
Transparent workflows: clear expectations, responsibilities and feedback

Fulltime

Middle React Engineer

N-iX is seeking a talented and experienced Middle React Engineer to join our dyn...

Location

Poland

Salary:

Not provided

N-iX

Expiration Date

Until further notice

Requirements

Solid experience (4-5+ years) in developing web applications using React
Proficiency in TypeScript for building scalable and type-safe applications
Familiarity with GraphQL and its implementation in frontend applications
Excellent understanding of web technologies such as HTML5, CSS3, and JavaScript
Strong problem-solving and analytical skills, with the ability to quickly identify and resolve issues
Good communication skills and the ability to work collaboratively in a team environment
Ability to adapt and learn new technologies and frameworks as required
Accessibility tools

Job Responsibility

Develop robust and scalable web applications using React, TypeScript, Redux, GraphQL, and styled-components
Collaborate with the design and product teams to translate wireframes and mockups into functional components
Implement responsive designs and ensure cross-browser compatibility
Write clean, maintainable, and efficient code using best practices and coding standards
Conduct code reviews and provide constructive feedback to improve code quality and maintain consistency
Optimize application performance and identify areas for improvement
Work closely with backend developers to integrate frontend components with the server-side infrastructure
Troubleshoot and debug issues, addressing bugs and performance bottlenecks
Stay updated with the latest frontend development trends and technologies, sharing knowledge and insights with the team

What we offer

Flexible working format - remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits

Middle .Net Developer

At LeverX, we have had the privilege of delivering over 950 projects for various...

Location

Salary:

Not provided

LeverX

Expiration Date

Until further notice

Requirements

3+ years of experience in .NET (C#) and ASP.NET Web API development
Good knowledge of OOP, SOLID principles, and design patterns
Proficiency in SQL databases: SQL Server, PostgreSQL
Experience with NoSQL databases: MongoDB, CosmosDB, or similar
Experience with Git, CI/CD pipelines, and Azure cloud services (Azure Functions, Service Bus, AKS, etc.)
Familiarity with frontend technologies
English B2+

Job Responsibility

Develop, maintain, and optimize web applications and APIs using .NET
Design and implement solutions using Azure services and Kubernetes
Collaborate with cross-functional teams, including DevOps, QA, and UI/UX
Ensure application performance, scalability, and security best practices
Participate in code reviews, architecture discussions, and technical decision-making
Write and maintain unit and integration tests
Troubleshoot and resolve production issues efficiently

What we offer

Projects in different domains: healthcare, manufacturing, e-commerce, fintech, etc.
Projects for every taste: Startup products, enterprise solutions, research & development initiatives, and projects at the crossroads of SAP and the latest web technologies
Global clients based in Europe and the US, including Fortune 500 companies
Employment security: We hire for our team, not just a specific project. If your project ends, we will find you a new one
Healthy work atmosphere: On average, our employees stay with the company for 4+ years
Market-based compensation and regular performance reviews
Internal expert communities and courses
Perks to support your growth and well-being

Middle Frontend Developer

Sigma Software Group

Location:
Brazil , Brasília

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 13, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Middle Frontend Developer

Middle front-end developer

Full Stack Developer (.Net, Angular, Azure) - Unite

Middle Frontend Developer

Middle Frontend Developer

Full-Stack Middle Developer

Senior / Middle+ React Engineer (with Java Experience)

Middle React Engineer

Middle .Net Developer

Middle Frontend Developer

Sigma Software Group

Location:Brazil , Brasília

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:March 13, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Middle Frontend Developer

Middle front-end developer

Full Stack Developer (.Net, Angular, Azure) - Unite

Middle Frontend Developer

Middle Frontend Developer

Full-Stack Middle Developer

Senior / Middle+ React Engineer (with Java Experience)

Middle React Engineer

Middle .Net Developer

Location:
Brazil , Brasília

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
March 13, 2026