Backend Developer (Java/Golang)

This role is for one of the Weekday's clients

Min Experience: 3 years

Location: Bangalore

JobType: full-time

We are looking for a highly motivated Backend Developer with 3–5 years of experience to join our engineering team and contribute to the development of scalable, high-performance backend systems powering a fast-growing B2B e-commerce marketplace. This platform is redefining the retail and supply chain ecosystem through cutting-edge technology, data-driven decision-making, and AI-enabled innovation.

As a Backend Developer, you will be responsible for designing, building, and optimizing robust microservices and APIs that support mission-critical business functions. You will collaborate closely with product managers, frontend developers, data teams, and platform engineers to deliver reliable and scalable solutions that enhance customer experience and operational efficiency.

This role is ideal for engineers who enjoy solving complex distributed systems challenges, working with modern cloud-native technologies, and exploring opportunities to integrate AI/LLM capabilities into enterprise applications.

Key Responsibilities

• Design, develop, test, and maintain scalable backend services and APIs using Java or Golang.
• Build high-performance microservices architectures capable of handling large transaction volumes and real-time business operations.
• Collaborate with cross-functional teams to understand requirements and translate them into technical solutions.
• Optimize application performance, reliability, and scalability through efficient coding practices and architectural improvements.
• Develop and maintain integrations with internal systems, third-party services, and external APIs.
• Write clean, maintainable, and well-documented code following engineering best practices.
• Participate in code reviews, technical discussions, and architecture planning sessions.
• Implement monitoring, logging, and observability solutions to ensure system health and uptime.
• Troubleshoot production issues, perform root cause analysis, and implement preventive measures.
• Stay updated with emerging technologies and contribute to innovation initiatives involving AI-powered applications and intelligent automation.

Required Skills & Qualifications

• 3–5 years of professional software development experience in backend engineering.
• Strong proficiency in Java or Golang with a solid understanding of object-oriented or concurrent programming concepts.
• Experience designing and developing RESTful APIs and backend services.
• Good understanding of microservices architecture, distributed systems, and event-driven applications.
• Hands-on experience with relational and/or NoSQL databases such as MySQL, PostgreSQL, MongoDB, or similar technologies.
• Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization technologies such as Docker.
• Experience working with version control systems, preferably Git.
• Strong understanding of software design principles, data structures, algorithms, and system design.
• Excellent problem-solving, debugging, and analytical skills.

Good-to-Have Skills

• Exposure to AI, Generative AI, Large Language Models (LLMs), AI agents, or machine learning-powered applications.
• Experience integrating AI services, vector databases, retrieval systems, or LLM-based workflows into backend applications.
• Familiarity with Kubernetes, CI/CD pipelines, Kafka, Redis, or message queue systems.
• Understanding of performance optimization, caching strategies, and distributed data processing.