Up Sr java developer Jobs – 88 Open Jobs Today

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Senior Full Stack Developer (Java + React)

ION -
Noida, Uttar Pradesh

Apply Now

Job details

Full-time
10 days ago

Qualifications

Spring Boot
CI/CD
CSS
React
Kubernetes
Full-stack development
Enterprise Software
Git
Java
Microservices
AWS
Docker
JavaScript
Distributed systems
Terraform
Continuous integration
Back-end development
REST
Software development
GitHub
APIs
Agile
AI
TypeScript
Spring framework
HTML

Full job description

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:

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.

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.

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.

Partner with client stakeholders to build strong relationships, acting as a strategic technical advisor and helping expand long-term engagements.

Support business development efforts through solution design, client presentations, and contributing to proposals and industry engagement.

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.

Why Lab49?

Lab49 is an established partner for most financial institutions on Wall Street. You will gain exposure into a variety of environments, business domains, technologies, and people. Your ability to bring drive and creativity to the role will be the key component to success at Lab49. The broad and intense exposure to a variety of challenges accelerates your career growth, and Lab49’s structure is designed to enable you to learn and grow as an engineer and consultant.

Lab49/ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business.

Lab49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Apply Now

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