Sr Software Engineer - Backend [Java with Cloud]

As a Senior Backend & Infrastructure Engineer, you will take ownership of backend systems and cloud infrastructure. You’ll work closely with our CTO and cross-functional teams (hardware, AI, frontend) to design scalable, fault- tolerant architectures and ensure reliable deployment pipelines.

1. What You’ll Do :

• Backend Development: Maintain and evolve our Node.js (TypeScript) and Python backend services with a focus on performance and scalability.
• Cloud Infrastructure: Manage our infrastructure on GCP and Firebase (Auth, Firestore, Storage, Functions, AppEngine, PubSub, Cloud Tasks). 
• Database Management: Handle Firestore and other NoSQL DBs. Lead database schema design and migration strategies.
• Pipelines & Automation: Build robust real-time and batch data pipelines. Automate CI/CD and testing for backend and frontend services.
• Monitoring & Uptime: Deploy tools for observability (logging, alerts, debugging). Ensure 99.9% uptime of critical services.
• Dev Environments: Set up and manage developer and staging environments across teams.
• Quality & Security: Drive code reviews, implement backend best practices, and enforce security standards.
• Collaboration: Partner with other engineers (AI, frontend, hardware) to integrate backend capabilities seamlessly into our global system.

Must-Haves :

• 5+ years of experience in backend development and cloud infrastructure.
• Strong expertise in Node.js (TypeScript) and/or Python.
• Advanced skills in NoSQL databases (Firestore, MongoDB, DynamoDB...).
• Deep understanding of cloud platforms, preferably GCP and Firebase.
• Hands-on experience with CI/CD, DevOps tools, and automation.
• Solid knowledge of distributed systems and performance tuning.
• Experience setting up and managing development & staging environments. 

• Proficiency in English and remote communication.

Good to have :

• Event-driven architecture experience (e.g., Pub/Sub, MQTT).
• Familiarity with observability tools (Prometheus, Grafana, Google Monitoring).
• Previous work on large-scale SaaS products.
• Knowledge of telecommunication protocols (MQTT, WebSockets, SNMP).
• Experience with edge computing on Nvidia Jetson devices.

What We Offer :

• Competitive salary for the Indian market (depending on experience).
• Remote-first culture with async-friendly communication.
• Autonomy and responsibility from day one.
• A modern stack and a fast-moving team working on cutting-edge AI and cloud infrastructure.
• A mission-driven company tackling real-world environmental challenges. 

Required Qualifications & Skills:

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 5+ years of professional experience in backend software development, with a strong focus on systems using . NET Framework /. NET Core (C#).
• Proven, significant experience in backend software development using the . NET framework /. NET Core (C#, ASP. NET Web API, Entity Framework).
• Expert-level proficiency in T-SQL, including writing and optimizing complex queries, stored procedures, functions, and understanding database design principles (preferably with MS SQL Server).
• Demonstrated ability to read, understand, and analyze complex legacy code to determine functionality and troubleshoot issues effectively.
• Strong analytical and problem-solving skills, with experience in debugging and resolving production system issues.
• Experience in leading technical initiatives or mentoring junior engineers.
• Formal team lead experience is a strong plus, if for Lead level role.
• Solid understanding of software development lifecycle (SDLC), APIs, and backend architecture patterns.
• Excellent communication and interpersonal skills.

Responsibilities:

• Lead and Mentor: Guide, manage, and mentor a backend engineering team of approximately 4 members, fostering a collaborative and high-performing environment.
• Backend Development: Architect, design, develop, test, and deploy scalable and maintainable backend services, APIs, and database solutions using. NET (C#) and T-SQL.
• Enhancement Ownership: Take ownership of technical design and implementation for new features and enhancements requested for our POS and web platforms.
• Legacy System Expertise: Dive into existing codebases (.NET and T-SQL) to thoroughly understand current system functionality, data flows, and business logic, becoming a subject matter expert.
• Production Support: Act as a key escalation point for diagnosing and resolving complex production issues related to the backend systems. Perform root cause analysis and implement effective solutions.
• Technical Guidance: Provide technical direction, conduct code reviews, establish and enforce coding standards and best practices within the team.
• System Knowledge & Communication: Clearly articulate how backend systems work and answer technical questions from team members and other stakeholders.
• Collaboration: Work closely with front-end developers, QA testers, product managers, and potentially clients to deliver integrated solutions

Job Description:

• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• Should be able to express their design ideas and thoughts. 

1. 5-7 years hands-on working experience in Java / Spring / Spring Cloud / Spring Data JPA / Spring Boot Microservices
2. Data processing capability
3. Hands-on working experience with GCP/AWS/Azure
4. Hands-on working experience with Junit, Git, Jenkins, Maven
5. Excellent communication skill
6. Experience on Google cloud data flow would be an added advantage

Java, SpringBoot, Problem Solving skill, Apache Beam, AWS/GCP,

What we are looking for

• At-least 3 years of experience of development on backend applications. Full stack experience is a cherry on the top!
• Experience / knowledge of designing robust systems, maintaining & scaling them
• Experience with usage of NoSQL databases like MongoDB & with SQL and RDBMS Systems
• Experience of creating applications with any of the popular frameworks in Python, Java, GoLang, Node
• Experience with JS frontend frameworks like React, Angular, Vue etc is a big plus
• Well versed with versioning systems like git
• Understanding of rest API implementation

Some of the responsibilties you will be taking up are following

• Working on creating performant and fault tolerant systems which are scalable
• Design, build, and maintain high performance, reusable, and reliable codebase
• Effectively work with product to gather requirements, gain deep understanding of use cases and business needs, and translate into design and implementation.
• Maintain code integrity and organization.
• Manage basic devops related to CI/CD
• Creating secure systems
• Lead other junior developers
• Define optimal and minimal architecture to achieve product requirements