About us:

Codewalla is a New York–based product studio with engineering teams in India. Since 2005, we've built innovative products that scale. We work at the intersection of design, engineering, and AI developing systems shaped by real business needs and tested in the real world. Our team moves fast, thinks deeply, and cares about pushing what software can do to empower people and businesses.

What Sets Us Apart

Build products, not just code — work directly with founders and influence product direction.
Ship high-impact features that reach real users fast.
Work with cutting-edge AI tools every day.
Start with top-tier hardware and premium workflows from day one.
Access funded training, certifications, and hands-on projects in emerging technologies.

What You'll Do

In this role, you will design and implement core backend systems that influence how customers experience and trust our products.

Architect and build backend services in Core Java, Spring, and MySQL that support essential business workflows at scale.
Deliver clean, maintainable, and scalable code using SOLID principles, Clean Architecture, and comprehensive automated testing to ensure reliability.
Create and integrate RESTful APIs that enable seamless interaction between systems and services.
Collaborate closely with product, frontend, and DevOps teams to transform ideas into secure, high-performance systems with measurable impact.
Take ownership of production challenges - troubleshoot, resolve, and protect the customer experience across environments.
Contribute to architectural decisions and maintain clear documentation to accelerate so the whole team can build faster and smarter.
Evaluate, test, and adopt emerging tools and practices that improve performance, scalability, and reliability.

Who Thrives Here

Strong Engineering Foundation – Proficiency in multiple programming languages and paradigms, with a thorough understanding of software development principles.
Technical Expertise –
Proven experience with Core Java, Spring, MySQL, and Linux.
Working knowledge of Spring Boot, REST APIs, Microservices, Maven, JPA/Hibernate, JDBC, and unit testing frameworks such as JUnit or TestNG.
Preferred: Experience with Docker, Redis, MongoDB, RabbitMQ, or cloud platforms (AWS, GCP, Azure).
Solid understanding of system design, database modeling, and service-oriented architecture.
AI Awareness – Interest in exploring AI-driven tools and integrating AI capabilities into application development.
Forward-Looking Mindset – Curiosity about emerging technologies including Spring AI, Reactive Java (Project Reactor/RxJava), Serverless Architectures, GraalVM, and CRaC.
Collaborative Approach – Strong communication skills and the ability to work effectively within cross-functional teams.

Join us, and build the kind of career that other developers wish they had.

Back End Developer

Sr. Developer Application Development (Back-End)