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Full Stack Engineer (Java Springboot, React)

Kilde

Kilde

Software Engineering
Bengaluru, Karnataka, India
Posted on Sep 15, 2025

About Kilde

Kilde is a rapidly scaling fintech on a mission to build the world’s leading private wealth-management platform. Our investments marketplace connects accredited investors with high-quality private credit opportunities, and we are expanding fast across Asia. If you thrive in a high-growth, international setting and want to leave your mark on the future of wealth tech, read on. We are currently on a path to scale from $100 million Assets Under Management to $1 billion.

Why this role matters

As we scale from $100m to $1b in assets under management and launch crypto-driven initiatives, we are expanding our product engineering team with a Fullstack / Solution Architect. This is a pivotal role — you will own architecture decisions across backend and frontend, ensuring Kilde delivers seamless, trustworthy, engaging experiences that empower investors to achieve their goals.

Key responsibilities

Architecture & Solution Design

  • Define and own the technical architecture for Kilde’s platform — backend services, frontend apps, APIs, integrations, and data flows.
  • Ensure scalability, security, and compliance in a regulated fintech environment.
  • Translate business and product requirements into robust, future-proof technical solutions.

Fullstack Engineering

  • Build and maintain high-quality, performant features across Java/Spring Boot backends and React.js/React Native frontends.
  • Mentor engineers across the stack to ensure consistency, maintainability, and adherence to Kilde’s design principles and best technical solutions, including automated pipelines and tests.
  • Optimise user journeys end-to-end, from backend logic to intuitive UI delivery on secure, robust and reliable building blocks.
  • Experience with microservice architecture, supported by containerization and willingness to code with AI, as of today, Claude preferably.

Collaboration & Leadership

  • Partner with product managers, designers, and business stakeholders to align technical solutions with Kilde’s growth roadmap..
  • Optimise the platform for scalability as we expand from hundreds of millions to billions in transaction volume while maintaining simplicity.
  • Guide teams through trade-offs in performance, usability, and scalability.
  • Foster a culture of clean and documented code, strong testing practices, and continuous improvement.
  • Be ready to switch between React.js and React Native when bringing a native mobile app to life.

Quality & Reliability

  • Write clean, testable code with strong unit and integration coverage. Followed up with test cases in BrowserStack.
  • Partner with QA and DevOps to ensure smooth releases across web and mobile.
  • Stay current with modern engineering practices, proactively introducing improvements.

What you bring

  • 10+ years of development experience (React, Next.js, or similar modern frameworks). A good eye for design, usability, and responsive layouts.
  • Strong foundation in JavaScript/TypeScript, HTML5, and CSS3, but also knowledge of Java, experience with Sprinboot is a plus. Showcase your extra mile on becoming a fullstack developer (can be personal projects or past work experience)
  • Proven track record in solution architecture, designing scalable, secure systems in fintech, SaaS, or other regulated industries.
  • Experience integrating APIs, optimising performance, and handling security in fintech or regulated environments is a plus. Experience within the crypto space is a plus.
  • Growth mindset - comfortable in a fast-paced, international scale-up environment.
  • Excellent communication skills and the ability to influence technical and non-technical stakeholders.
  • A growth mindset - excited by the challenge of building for billions in transaction volume.

What’s in it for you

  • Impact & Growth: Join a venture aiming to create US$1 billion in Assets under Management in shareholder value within five years, and your work will be shipped to customers every sprint.
  • Innovation: Drive cutting-edge initiatives, including upcoming crypto features and cross-border investment products.
  • Leadership: Work directly with Kilde’s founders and CTO, influencing the company’s product and technology vision.
  • Hybrid Flexibility: Work onsite at our Bangalore tech hub (HSR Layout) and from home.
  • Cross-Border Collaboration: Quarterly team meet-ups in Bangalore and Singapore.
  • Competitive Package: Attractive salary, ESOP, possibility to impact the final product