Senior Full Stack Developer

Work set-up: 
Full Remote
Contract: 
Experience: 
Senior (5-10 years)
Work from: 

Offer summary

Qualifications:

Minimum 5 years of experience in software development., Proficiency in React for front-end development., Expertise in Node.js for back-end services and APIs., Experience with cloud platforms like AWS or GCP..

Key responsibilities:

  • Design, develop, and maintain scalable full-stack applications.
  • Collaborate with data and machine learning teams to integrate AI features.
  • Optimize application performance and ensure security best practices.
  • Own features from ideation to deployment and monitoring.

Sigma Software Group logo
Sigma Software Group Large https://www.sigma.software
1001 - 5000 Employees
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Job description

Company Description

As a Full Stack Developer, youll design, build, and maintain scalable, highperformance applications across both Frontend and Backend systems. Youll collaborate closely with crossfunctional teams, including data engineers and machine learning experts, to integrate AIdriven features and robust data pipelines. Your role will involve building responsive interfaces with React, developing secure APIs with Node.js or Python, and optimizing system performance in a cloud environment. With a strong emphasis on quality, security, and CICD best practices, you’ll contribute to the full product lifecycle, owning features from ideation to deployment, while staying up to date with emerging technologies to drive innovation across the team.

CUSTOMER

Our client is a global content and information company that is shaping the future of media and data. With a centurylong legacy and a strong focus on innovation, the team builds trusted experiences and tools that inform, inspire, and empower millions of people worldwide.

PROJECT

Within the scope of digital media security, the clients platform focuses on advanced bot detection and antimalvertising strategies. By integrating seamlessly with AdTech infrastructures, such as SSPs and DSPs, it enables realtime protection, analytics, and partner onboarding. This safeguards user trust and platform integrity across a broad range of digital channels.

Job Description
  • Design, develop, and maintain scalable applications across both Frontend and Backend layers
  • Build responsive, userfriendly UIs using modern frameworks
  • Develop robust Backend services and APIs (RESTGraphQL) using Node.js, Python, or similar technologies
  • Collaborate closely with data engineers and machine learning (ML) teams to integrate AI features and datadriven logic into the product
  • Optimize application performance, scalability, and reliability in a cloud environment
  • Implement best practices for security, CICD, testing, and code quality
  • Work with Product and Design teams to translate business requirements into technical solutions
  • Take ownership of features from ideation to deployment and monitoring in production
  • Stay up –to date with emerging technologies and contribute to technical decisionmaking and innovation within the team
    • Qualifications
      • A minimum of 5 years of experience in software development
      • Proficiency in React for developing modern, responsive Frontend interfaces
      • Expertise in Node.js for building scalable Backend services and APIs.
      • Experience designing and implementing data APIs for efficient data workflows
      • Familiarity with VectorDB or similar vector databases for AIML applications
      • Handson experience with AWS or GCP, including cloud deployment and management
      • Strong knowledge of RESTful APIs, microservices, and database systems (SQL and NoSQL)
      • UpperIntermediate level of spoken and written English
        • WOULD BE A PLUS

          • Experience with Model Context Protocol (MCP) for managing context in AI model interactions
          • Familiarity with workflow automation tools such as Langflow or n8n
          • Knowledge of DevOps practices, CICD pipelines, or containerization (e.g., Docker, Kubernetes)
          • Experience with integration
            • Additional Information

              PERSONAL PROFILE

              • Excellent analytical and investigative skills, with a proactive mindset for identifying and resolving complex threats
              • Strong collaboration and communication abilities, ensuring smooth crossfunctional teamwork and stakeholder engagement
              • Detailoriented mindset with the capacity to document technical findings clearly and concisely
              • Adaptability and resilience in a fastevolving environment, with a continuous learning attitude toward new threat vectors and technologies

Required profile

Experience

Level of experience: Senior (5-10 years)
Spoken language(s):
English
Check out the description to know which languages are mandatory.

Other Skills

  • Collaboration
  • Adaptability
  • Communication
  • Analytical Skills
  • Detail Oriented

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