JavaScript Job: Senior Software Engineer (Full Stack)

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Madrid - Spain

Job type


JavaScript Job Details


As a part of BCG’s GAMMA team - part of BCG X, you will work closely with consulting teams on a diverse range of advanced topics. You will have the opportunity to leverage software development methodologies to deliver value to BCG's Consulting & GAMMA (case) teams, GAMMA Product teams and Practice Areas (domain) through providing software developer subject matter expertise, and accelerated execution support.
You will collaborate with teams to gather requirements, specify, design, develop, deliver and support software solutions serving client needs. You will provide technical support through deeper understanding of relevant software solutions and processes to build high quality and efficient technology solutions. Assignments will range from short term Proof of concepts/Minimum viable product to long term cases with enterprise grade software development as a critical enabler through the project level description of the role responsibilities and impact within the organization.


Web Application Development
  • End to End high scale web-development experience but not just limited to architecting, design, planning, development and deployment
  • Maintains a strong knowledge base of new opensource tech stacks, applications, techniques, and skills
  • Strong problem-solving and follow-up skills; must be proactive and take initiative
  • Create robust proprietary code and translate business logic into project requirements
  • Develop code using development best practices, and an emphasis on security best practices
  • Leverage technologies to support business needs to attain high reusability and maintainability of current and newly developed systems
  • Provide system design recommendations based on technical requirements
  • Work independently on development tasks with minimal supervision
  • Write effective unit tests and integration tests to ensure high-quality software delivery

Business requirement gathering and collaboration

  • Owning all or part of a software development engagement and integrating with consulting teams
  • Establish credibility by thought partnering with highly demanding stakeholders / consulting teams on web development and delivery topics; drawing conclusions on a range of external and internal issues and dependencies
  • Communicate insights through sophisticated synthesis and packaging of results (including PPT slides and charts) with stakeholders / consulting teams; collecting, synthesizing, learnings & inputs into new best practices and methodologies
  • Executing software development approach and creating defined outcome; contributing to approach selection
  • Ensure proper sign‐off before uploading materials into internal repository for reference; sanitizing confidential client content in marketing documents
  • Able to build and sustain relationships with consulting MDPs to generate project work by self-leveraging regular connects
  • Guides juniors on advanced software concepts and platforms, and helps in quality checks
  • Contributes to team’s content & IP development
  • Imparts technical trainings to team members and consulting cohort

Problem solving

  • You should be strong in solutioning with hands-on experience in software delivery, through the entire life cycle of software development. Strong problem solving skills with the ability to develop and codify knowledge and provide appropriate technical advice where required

Technical Skills:
  • Must have strong experience
    • In building high-performance web applications using - NodeJS, Python + Flask, Django, React, Angular 2+, JavaScript, HTML5 and CSS3
    • Leveraging SQL-Postgres for best performance
    • On OOPs concepts, design patterns, responsive UI and Unit testing frameworks like Mocha, Jest, Jasmine
    • Knowledge of Bootstrap or Material UI or Ant Design
    • Knowledge of UI component libraries to produce high-quality production apps following a high-fidelity design and a specification
    • Track record of designing, developing and supporting highly scalable, responsive web applications and services
    • Integrate UI with REST APIs to make the app production-ready
  • And workable knowledge of
    • Unix command-line tools and code repo Git
    • CI/CD, DevOps tools
    • Cloud infra architecture design (AWS, Azure, GCP) and deployment
    • Typescript
    • UI component libraries to produce high-quality production apps following a high-fidelity design and a specification
  • And familiar with
    • Microservices, Docker, Kubernetes, and Terraform
    • C# + .NET Core / .NET Framework
    • NoSql Databases like MongoDB
    • Hybrid Mobile app development using React Native or Ionic
    • Charting libraries like HighCharts, D3.js and Recharts
    • Basic wireframing skills


Job Requirement:

  • Bachelor's / Master's degree in computer science engineering/technology or equivalent
  • Excellent communication skills

Work Experience:

  • At least 3 years of end-to-end web – application/tool development experience in a commercial setup specifically services or consulting organization
  • Additional weightage for contributions made to open source projects, blogs, forums etc. in relevant technologies

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