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ION Group

Posted 3 months ago

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Senior Full Stack Developer (Java + React), Noida

NoidaOn-siteFull-time

AI Summary

Senior Full Stack Developer designing, building, and delivering full-stack applications (Java/Spring Boot and React) in Agile cross-functional teams, mentoring engineers and partnering with clients in finance.

About this role

Lab49 is an award winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.
Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to business problems but delivering them into production

What You’ll Be Doing:

  1. Act as a hands-on engineer and architect supporting initiatives from small features to complex systems. Lead projects, mentor teams, and collaborate with other practices to ensure successful delivery.
  2. Design and build full-stack applications using Java (primary) and React (secondary), ensuring scalable architecture, efficient APIs, and seamless integration between back-end and front-end services.
  3. Support backend development using Java (e.g., Spring/Spring Boot) to build and maintain RESTful services, business logic, and integrations with enterprise systems and databases.
  4. Partner with client stakeholders to build strong relationships, acting as a strategic technical advisor and helping expand long-term engagements.
  5. Support business development efforts through solution design, client presentations, and contributing to proposals and industry engagement.
  6. Help develop strong management practices within the Engineering practice, supporting career growth and mentoring across the team.

Key Responsibilities:

  • Build backend services and APIs using Java and Spring Boot.
  • Develop responsive web applications using React, JavaScript, TypeScript, HTML, CSS.
  • Design and integrate RESTful APIs with frontend components.
  • Collaborate with cross-functional teams in an Agile environment.
  • Write clean, testable code and participate in code reviews and CI/CD processes.

    • Required Skills:

  • 8+ years of software development experience.
  • Backend development experience with Java / Spring Boot.
  • Experience in React
  • Experience with REST APIs, Git, and modern development practices.

    • Preferred:

  • Experience with microservices, AWS and Terraform.
  • Exposure to Docker, Kubernetes and containerized deployments.
  • Experience in capital markets, financial markets/products, consulting is highly desirable.
  • Experience with Claude Code and GitHub Copilot is a plus.

    • Skills

    AWSDockerGitJavaKubernetesReactREST APISpring BootTerraformTypeScript

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