Technical Lead- R&D

Walker Digital Table Systems, LLC; New Delhi; On-site; INR 400,000 - 700,000; Full time

Job summary

Walker Digital Table Systems, LLC is seeking a Software Analyst to join its R&D team as a hands-on technical leader for backend platform design and evolution powering casino gaming solutions. The role directs engineering decisions, mentors developers, and collaborates with Product, QA, DevOps, Hardware, and Integration teams to deliver scalable, high‑performing software.

Candidates should have 10+ years in enterprise software, strong Java/J2EE with Spring Boot, Kafka, and SQL skills;

Qualifications

• 10+ years in enterprise software with leadership experience.
• Expert in Java/J2EE with Spring Boot.
• Design distributed, multi‑tier enterprise apps and microservices.
• Strong SQL/PL‑SQL skills with relational databases.
• Experience with Kafka or similar event streaming.
• Knowledge of logging, performance tuning and JVM GC analysis.
• Docker/Kubernetes is a plus.

Responsibilities

• Lead technical design and architecture of backend services.
• Mentor engineers and drive engineering governance.
• Build scalable REST APIs and microservices.
• Collaborate with DevOps for deployment and observability.
• Ensure performance and reliability of backend platform.

Skills

Java/J2EE

Spring Boot

Microservices

REST APIs

Distributed systems

Kafka

SQL/PL-SQL

OO Design / SOLID

Leadership / Mentoring

Tools

Nginx

API Gateways

Load Balancers

Redis

Git

Maven/Gradle

Docker

Kubernetes

Job description

We are looking for a highly skilled Software Analyst to join our Research & Development team. This is a hands‑on technical leadership role responsible for designing, building, and evolving the backend platform powering our next‑generation casino gaming solutions.

As a Software Analyst, you will provide technical direction to the engineering team, drive architectural decisions, mentor developers, and work closely with Product, QA, DevOps, Hardware, and Integration teams to deliver scalable, reliable, and high‑performance software. You will play a key role in transforming product concepts into robust enterprise solutions while ensuring engineering excellence across the platform.

Key Responsibilities

Technical Leadership

Lead the technical design, architecture, and development of backend software solutions across a distributed, multi‑tier ecosystem.

Drive engineering best practices, coding standards, design reviews, and technical governance.

Translate business requirements, product concepts, and high‑level ideas into scalable, maintainable software architectures.

Own technical decision‑making and guide the team through architectural trade‑offs.

Mentor and coach software engineers through design discussions, code reviews, and technical problem‑solving.

Software Development

Design and develop enterprise‑grade backend services using Java, Spring Boot, and event‑driven architectures.

Build scalable REST APIs, microservices, and distributed applications.

Design and implement asynchronous messaging solutions using Apache Kafka.

Design efficient database schemas and optimize SQL/PL‑SQL queries for high‑volume transactional systems.

Ensure software is built with performance, reliability, scalability, and maintainability as key principles.

Architecture & Platform Engineering

Design both high‑level and low‑level application architectures.

Contribute to the evolution of the R&D technology platform and software frameworks.

Work with reverse proxies, API gateways, load balancers, and distributed deployment architectures.

Design and implement application‑side and centralized caching strategies.

Collaborate with DevOps teams on deployment automation, observability, and production readiness.

Production Engineering & Performance

Lead troubleshooting of complex production issues and perform root cause analysis.

Analyze CPU, memory, heap dumps, thread dumps, GC behavior, application logs.

Drive application performance tuning and system optimization.

Ensure high availability and reliability across backend services.

Cross‑functional Collaboration

Work closely with Product Management, QA, Hardware Engineering, DevOps.

Support integration with external systems including casino management systems, table hardware, payment systems, and third‑party services.

Participate in Agile planning, technical estimation, and release planning activities.

Required Skills & Experience

Core Technical Skills

• 10+ years of experience in enterprise software development, with demonstrated experience leading technical initiatives or mentoring engineering teams.
• Expert‑level proficiency in Java/J2EE.
• Strong hands‑on experience with Spring Boot and Spring ecosystem.
• Deep understanding of Object‑Oriented Design, SOLID principles, and software design patterns.
• Strong experience designing distributed systems and multi‑tier enterprise applications.
• Experience building scalable microservices and RESTful APIs.

Messaging & Integration

• Strong experience with Apache Kafka or similar event‑streaming platforms.
• Understanding of asynchronous communication patterns and event‑driven architecture.

Database

• Strong expertise in SQL/PL‑SQL and relational databases (PostgreSQL, MySQL, Oracle, SQL Server, etc.).
• Experience in query optimization, indexing, transaction management, and performance tuning.

Hands‑on experience with:

• Heap dump and thread dump analysis
• JVM tuning and garbage collection analysis
• CPU and memory profiling
• Application log analysis

Platform & Infrastructure

Experience with:

• Nginx or similar reverse proxies
• API Gateways
• Load Balancers
• Distributed caching (e.g. Redis)
• Git and Maven/Gradle

Good to Have

• Experience with Docker and Kubernetes.
• Exposure to cloud platforms (AWS, Azure, or GCP).
• Experience with monitoring and observability tools (Grafana, Prometheus, ELK, Splunk, etc.).
• Knowledge of secure software development practices.
• Experience working in an Agile/Scrum environment.
• Experience in gaming, casino technology, embedded systems, or real‑time transaction processing.
• Strong technical leadership and decision‑making abilities.
• Excellent analytical thinking and structured problem‑solving skills.
• Ability to simplify complex technical problems into practical solutions.
• Strong ownership with a product mindset.
• Ability to mentor engineers and foster technical excellence.
• Excellent communication and stakeholder management skills.
• Passion for innovation, continuous learning, and engineering best practices.