This job has expired

This job posting is no longer active and is not accepting applications. Explore similar roles below!

🔄 Staff Augmentation

MWDN is a well-known IT outstaffing and staff augmentation firm that provides dedicated development teams for client projects. The job description explicitly refers to a client project in the AdTech domain, not an internal position at MWDN.

This company was flagged and excluded from default search results. Proceed with caution.

MWDN
Posted 3w ago

Full-Stack Engineer

MWDN
Sofia, Sofia City Province, Bulgaria
RemoteFull Time
Responsibilities
  • building features
  • designing APIs
  • mentoring engineers
Requirements
  • 7+ years building customer-facing web applications
  • Strong React and Ruby on Rails skills
  • RESTful API and relational DB experience
  • CI/CD, infrastructure-as-code, AWS preferred
  • Observability and accessibility experience
  • English proficiency
  • Willing to work US hours
Technical tools mentioned
ReactRuby on RailsAWSClaude CodeCopilotCI/CDinfrastructure-as-code

Job description

Description

MWDN is an international recruitment and outstaffing company with 23+ years of experience connecting exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. In this role, MWDN acts as the recruitment partner, and the selected candidate will work directly with the client’s team on their product in an international environment.

What is your new project?

Domain: eLearning

Location: California, USA

Company size: 11-50

Founded in: 2019

What makes this project exciting?

Our client offers a modern compliance and eLearning platform designed to help organizations build safer, more inclusive, and productive work environments. The platform features a comprehensive library of interactive courses - covering harassment prevention, diversity and inclusion, safety, ethics, and security awareness - that are mobile-friendly and focused on achieving meaningful learning outcomes rather than just completion. It also provides advanced capabilities such as AI-assisted course creation, structured learning paths, real-time analytics, automated tracking and notifications, and adaptable LMS tools to meet organization-specific training requirements. The result is a flexible, engaging, and scalable solution that empowers teams while streamlining compliance management across industries.

Explore the open roles below and take the next step in your career!

What makes you a great fit

  • 7+ years of experience building customer-facing web applications
  • Strong proficiency in both React (or comparable modern JS framework) and Ruby on Rails
  • Experience designing and building RESTful APIs and working with relational databases
  • Comfort owning projects from concept through production, including making architectural trade-offs
  • Track record of raising the bar for the team - through mentorship, code quality, or process improvements
  • Experience with CI/CD pipelines, infrastructure-as-code, or cloud platforms (AWS preferred)
  • Responsive design, accessibility standards, and cross-browser compatibility experience
  • Experience with observability tooling (logging, monitoring, alerting)
  • Strong written and verbal communication skills in English
  • Willingness to work US timezone hours for team collaboration

Preferred Qualifications:

  • Experience integrating LLMs or AI/ML services into production applications
  • Experience with A/B testing, personalization, or data-driven content customization
  • Background in a startup or high-growth environment
  • Familiarity with compliance, security awareness, or ed-tech domains.

Your day-to-day in this position

  • Own features end-to-end: scope the technical approach, build across frontend and backend, and ship to production
  • Design and maintain APIs, data models, and backend services that are reliable and performant
  • Build polished, accessible frontend experiences with attention to UI/UX details
  • Build and integrate AI-powered features - from personalized learningexperiences to intelligent compliance tooling - from prototype to production
  • Use AI-assisted development tools (e.g., Claude Code, Copilot) to accelerate your work and help the team adopt effective AI tooling
  • Instrument analytics and use data to guide product and engineering decisions
  • Collaborate closely with product, design, and other engineers to deliver on key initiatives
  • Identify and resolve performance bottlenecks, technical debt, and reliability issues
  • Mentor other engineers through code review, pairing, and architectural guidance

Our next steps

✅ Intro call with a Recruiter — ✅ Screen interview with the client — ✅ Coding Assessment — ✅ System Design — ✅ Final interview— ✅ Offer

Similar jobs

Full-Stack Engineer roles near Sofia, Sofia City Province
1d
Save
Mark Applied
Hide
Senior Full Stack Engineer
Sofia, Sofia City Province, Bulgaria
HybridFull Time
OfficeRnD
OfficeRnD: Software platform for coworking and hybrid office management.
5+ YOE5+ years in full-stack development; proficiency in Node.js and TypeScript; familiarity with NestJS, MongoDB, modern JavaScript frameworks, preferably React; cloud-based SaaS experience preferred.
Node.js, NestJS, TypeScript, MongoDB, React
5d
Save
Mark Applied
Hide
Middle Full Stack Developer (Java/React) – Tieto Tech Consulting (m/f/d)
Sofia or Ukraine
RemoteFull Time
Tietoevry
TietoevryNasdaq Helsinki: TIETO: A digital services and software providing IT solutions.
3+ YOERequires 3+ years of Java development, Java 17+, Spring, Spring Boot, Hibernate, JPA, JavaScript, React.js, API development, SQL, databases, Agile/Scrum, and English communication; travel required.
Java, Spring, Spring Boot, Hibernate, JPA, JavaScript, React.js, SQL, AWS, Azure, Google Cloud, GitHub Copilot, Claude Code, ChatGPT
5d
Save
Mark Applied
Hide
Full-Stack Developer (.NET & Vue)
Sofia, Sofia City Province, Bulgaria
OnsiteFull Time
Nemetschek
NemetschekFrankfurt Stock Exchange: NEM: Develops software for architecture, engineering, and construction professionals.
3+ YOEAt least 3 years of experience with C# and .NET, databases, JavaScript, TypeScript, Vue or Angular, REST services, object-oriented programming, design patterns, and Agile Scrum. Bachelor's degree in Computer Science or related field.
C#, .NET, Web Services, REST, JavaScript, TypeScript, Vue, Angular, Azure, Docker, MVVM, Inversion of Control, SCRUM
1w
Save
Mark Applied
Hide
Senior Full Stack Engineer (.NET / TypeScript)
Sofia, Sofia, Bulgaria
HybridFull Time
AIOPSGROUP
AIOPSGROUP: Provides e-commerce consulting and Salesforce digital transformation services.
5+ YOEAt least 5 years of professional software experience with C#, .NET Core, ASP.NET Core Web API, TypeScript, Next.js, React, REST APIs, PostgreSQL, Azure, Git-based CI/CD, clean architecture, SOLID, and code review.
C#, .NET Core, ASP.NET Core Web API, TypeScript, Next.js, React, Vue, PostgreSQL, Microsoft Azure, Git, Docker, Playwright, OWASP, SonarQube, Datadog, GitHub Advanced Security, Auth0, OIDC, SAML, API Management
2w
Save
Mark Applied
Hide
Principal, Full Stack Developer
Sofia, Sofia-Capital, Bulgaria
HybridContract
European Bank for Reconstruction and Development
European Bank for Reconstruction and Development: Multilateral bank supporting private sector growth in emerging markets.
Degree in computer science or equivalent; expert in JavaScript/TypeScript/Angular and Java(Spring Boot); strong experience with cloud (Azure), containerization (Docker), CI/CD and DevOps automation; leadership and mentoring skills.
Java, Spring Boot, Angular, JavaScript, TypeScript, REST, Open API, Swagger, Jenkins, GitLab, Terraform, eFront, Daappa, Accurate, PowerBuilder, Power Apps, Docker, Azure, AKS, Cosmos DB, Service Bus, Azure SQL, GraphQL
4w
Save
Mark Applied
Hide
(fluent English) Full-Stack Developer (Python/Java/React)
Sofia or Europe
RemoteContract
SupportYourApp
SupportYourApp: Provides outsourced customer and technical support for tech companies.
8+ years full-stack experience with React, Python and Java; fluent English (B2+); Figma and WordPress experience; able to deliver pixel-perfect UI and maintain secure backend systems.
React, Next.js, Python, Java, Figma, WordPress
1mo
Save
Mark Applied
Hide
SAP Commerce AI Full-Stack Engineer - Business Applications Global IT - MSSS WAD
Sofia, Sofia-Capital, Bulgaria
HybridFull Time
dormakaba
dormakabaSIX Swiss Exchange: DOKA: Manufactures and services building access and security systems.
4+ YOE4+ years full-stack development experience with Java and modern frontend (Angular/Spartacus); experience with SAP Commerce/Cloud, APIs, integrations, strong problem-solving and code quality focus, business-fluent English.
Java, SAP Commerce, SAP Commerce Cloud, Angular, Spartacus, CPQ, ERP, CRM, AI coding agent
1mo
Save
Mark Applied
Hide
JS Full-Stack Developer
Sofia, Sofia City Province, Bulgaria
HybridFull Time
A1
A1Vienna Stock Exchange: TKA: Provides mobile, fixed-line, internet, and digital television services.
Strong React and JavaScript skills, TypeScript, Node.js, REST APIs, Git, Express.js, ORMs and databases; Docker/Kubernetes/Argo CD advantageous; fluent English and Agile/SCRUM experience.
React, JavaScript, React Router, React Hooks, TypeScript, REST APIs, Git, Node.js, ORMs, Express.js, Docker, Kubernetes, Argo CD, SCRUM
This job has expired