Tech Lead - Backend

Job Title: Lead Java Developer

Experience Required: 7+ Years

Location: Mumbai

About the Role

We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
• Build and optimize APIs for large-scale applications ensuring high performance and reliability.
• Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
• Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
• Write efficient SQL queries and integrate with relational and NoSQL databases.
• Collaborate with product managers, architects, and other developers to define and align on technical decisions.
• Identify and solve complex problems with innovative and scalable solutions.
• Drive best practices in coding standards, system design, and performance optimization.
• Communicate complex technical concepts clearly across teams and stakeholders.

Skills & Qualifications

• 7+ years of experience as a Backend Developer.
• Strong expertise in Java, Spring Boot, Microservices, SQL.
• Significant experience in API design and optimization for enterprise-scale applications.
• Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
• Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
• Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
• Strong communication and collaboration skills, with the ability to influence and align teams.

• Drive development and delivery of top notch technology solutions to clients efficiently.
• Lead development of implementation plan, logic and modules to embed in client solutions and client discussion ready documents /presentations.
• Lead in designing, implementing, maintaining and updating applications that are often high-volume and low-latency, required for mission critical systems.
• Lead in refining and improving system stability by continuously refactoring and measuring performance.
• Drive development of actionable, clean, maintainable, testable, reusable, extensible codes, including standardization and automation of processes.
• Provide technical and functional guidance to team members through expert knowledge and hands-on support.
• Manage projects, resource utilization, time schedules and deliveries to clients.
• Proactively drive discussions with stakeholders to understand their business requirements, business context and guide team to provide robust actional solutions.
• Effectively engage with stakeholders – create and nurture and deepen relationships. 
• Ensure positive & creative work-environment, culture of collaborations, speak-up, high level of energy & enthusiasm, curiosity to learn and continuous improvement.
• Inspire, engage, motivate and provide constructive feedback to team members to develop their technical & soft skills and fully support their development aspirations.
• Drive researching and conceptualizing solution approaches, new techniques or solution frameworks and author high quality discussion papers.

Qualifications, Skills and Experiences

• BE / BTech / ME / M Tech in engineering or MCA or similar relevant field.
• 2 to 17 years (Junior, Intermediate, Senior Role & we have multiple openings)of relevant hands-on experience and excellent knowledge of Java, Python, SQL, Relational Databases, DB schema or ORM technologies.
• Excellent knowledge and experience of building applications, platforms and services in Java, Python and MS SQL or at least two of them.
• 5 + years of experience of managing projects, team and stakeholders.
• Knowledge and experience of agile methodologies.
• Excellent communication and inter-personal skills.
• Experience of working in a fast-paced environment and make quality decisions in moderately to high ambiguous work environment.
• Previous work experience in financial services, especially, capital markets is preferred.

About Root Node

We’re an early-stage startup building intelligent tools for planning, scheduling, and optimization—starting with timetabling and warehouse logistics. Backed by deep domain expertise and a growing customer pipeline, we’re now building our core tech team. This is not just a coding job — it's a chance to build something meaningful from the ground up.

About the job

• Design and implement robust backend systems and APIs using Java or similar backend language and Spring Boot or equivalent frameworks
• Integrate backend services with existing custom ERP systems 
• Work closely with the founder on product architecture, feature prioritization, and go-to-market feedback
• Take full ownership of features — from system design and development to deployment and iterative improvements
• Help shape our engineering culture and technical foundations

You're a Great Fit If You:

• Have 3+ years of experience in backend development
• Are strong in Java or similar languages (e.g., Kotlin, Go, Node.js)
• Have solid experience with Spring Boot or equivalent backend frameworks
• Have integrated with ERP or enterprise systems in production environments
• Are comfortable with both SQL (PostgreSQL) and NoSQL (MongoDB)
• Understand REST API development, authentication, Docker
• Have an entrepreneurial mindset — you're excited about ownership, ambiguity, and making decisions that shape the product and company
• Want more than just a job — you want to build, solve, and learn rapidly

What We Offer

• Competitive salary
• High degree of ownership and autonomy
• Ability to shape the tech and product direction from Day 1
• Transparent and fast decision-making culture
• A builder’s environment — solve real-world problems with real impact

Responsibilities include:

• Coordinate and clarify the requirements and technical issues (including client interaction)
• Support creation of high and low level design
• Development and maintenance of automation code
• Build reusable Business objects as required
• Review the automation implemented code
• Deploy the code to multiple environments phase wise
• Provides regular status updates to clients and management
• Participates in research/design/implementation of appropriate automation tools
• Develop .net libraries using C# /.Net
• Design and develop SQL scripts – Stored procedures, queries, and functions
• Perform unit testing, support systems integration testing and UAT testing
• Raise ticket and co-ordinate with IT team and CS team
• Analyze, estimate and implement special projects
• Effectively manage multiple priorities / assist with various projects as they arise.
• Accurately track, monitor, and report progress and obstacles
• Travel requirements will be modest, working hours must be flexible to deal with international time zone and key process owners located throughout the world.

Education, Experience, & Required Skills:

• Bachelor degree in Computer Science, Computer Engineering or equivalent is required
• 7+ years of overall IT experience
• 2+ years of overall development experience with leading RPA tool.
• Certified RPA Tool (UiPath, UiPath X, Blue Prism, Automation Anywhere) as developer
• Programming experience in Java, .Net, C, C#, .Net, Python
• Sufficient knowledge of RDBMS like ORACLE / MS SQL Server and SQL tools
• Knowledge in developing & understanding excel macros codes.
• Knowledge in Power BI, Excel Macro, web forms, mobile applications are preferable.
• Knowledge of service oriented architecture is preferable.
• Knowledge in Finance & Accounting domain is preferable.
• Strong written and verbal communication skills
• Excellent organization and communication skills.
• Effectively interact with various levels of management.
• Ability to multitask.

• Strong experience in Java Development
• Deep expertise and hands-on experience with Web Applications
• Expertise in Java, Spring Boot is an added advantage.
• Experience in Microservices
• Hands-on design experience with Web Services (REST, SOAP, etc ..).
• Strong grasp of security principles.

Nice to Have

• Spring Zuul
• Kafka
• cryptography and certificates

Abilities:

• Developer with  strong ability to develop web applications using Java
• Should be able to Code, design, and implement
• Maintain code integrity and organization