Lead Sr Full Stack Developer

Weekday AI (YC W21); Bengaluru; On-site; INR 1,900,000 - 2,000,000; Full time

Benefits offered by this job

Job summary

Weekday AI in Bengaluru, Karnataka, India, seeks an experienced Lead Senior Associate – Full-Stack Java to design, develop, and support scalable enterprise applications using Java, Spring Boot, and modern frontend frameworks. The role combines hands-on software engineering, system design, mentoring, and cross-functional collaboration for mission-critical platforms.

The ideal candidate will lead engineering deliverables, drive architectural decisions, and ensure observability, reliability, and

Qualifications

• 6+ years of professional software engineering experience.
• Strong proficiency in Java, Spring Boot, and related Spring technologies.
• Experience developing enterprise applications using microservices and distributed systems.
• Strong experience with RESTful APIs, application integrations, and scalable backend services.
• Hands-on experience with ReactJS or modern frontend frameworks such as Angular or Vue.
• Strong understanding of MySQL, PostgreSQL, database schema design, and query optimisation.
• Solid foundation in data structures, algorithms, object‑oriented programming, and software design principles.
• Experience with automated testing, code reviews, CI/CD, Agile development, and modern engineering practices.
• Strong understanding of application observability, monitoring, metrics, alerting, and production support.
• Experience with AWS or other cloud platforms is preferred.
• Familiarity with Docker, Kubernetes, and Terraform is an advantage.
• Experience with Apache Kafka, AWS Kinesis, SNS/SQS, or other data‑streaming and messaging technologies is desirable.
• Exposure to advertising technology, programmatic advertising, or real‑time bidding platforms is an advantage.
• Strong problem‑solving, communication, mentoring, and stakeholder‑management skills.
• Ability to work independently while collaborating effectively across technical and non‑technical teams.
• Bachelor s or Masters degree in Computer Science, Engineering, or a related discipline, or equivalent professional experience.

Responsibilities

• Design, develop, and support scalable Java-based microservices and modern user interfaces.
• Build enterprise applications using Java, Spring Boot, Spring frameworks, and ORM technologies.
• Develop responsive and maintainable frontend applications using ReactJS or other modern JavaScript frameworks.
• Design and implement RESTful APIs, integrations, and distributed application components.
• Translate product requirements and user stories into actionable technical solutions.
• Take ownership of engineering deliverables throughout the complete software development lifecycle.
• Design loosely coupled, scalable, maintainable, and resilient microservices architectures.
• Work with relational databases such as MySQL and PostgreSQL, including schema and query design.
• Improve system observability through appropriate metrics, monitoring, logging, and alerting.
• Define and monitor technical and operational metrics to assess system health and manage risks.
• Troubleshoot production issues, perform root-cause analysis, and implement sustainable solutions.
• Participate in on‑call rotations and support production systems when required.
• Conduct code reviews and promote clean coding, automated testing, and engineering best practices.
• Mentor and support other engineers through technical guidance, documentation, and knowledge sharing.
• Collaborate with Product, UX, Engineering, QA, DevOps, and other stakeholders.
• Contribute to Agile planning, estimation, delivery, and continuous improvement initiatives.
• Evaluate and use AI-assisted engineering tools responsibly in accordance with organisational policies.
• Contribute to cloud-native and modern DevOps practices across application development and deployment.

Skills

Java

Spring Boot

Microservices

RESTful APIs

ReactJS

Angular

Vue

MySQL

PostgreSQL

CI/CD

Agile development

AWS

Docker

Kubernetes

Terraform

Kafka

Education

Bachelor's or Master's in CS/Engineering

Tools

Docker

Kubernetes

Terraform

AWS

Kafka

MySQL

PostgreSQL

ReactJS

Angular

Vue

Spring Frameworks

ORM technologies

Job description

Job Description:

This role is for one of the Weekdays clients

Salary range: ₹1900000 - ₹2000000 (i.e INR 15-20 LPA)

Experience: 6+ yrs

Location: Bengaluru, Karnataka, India

Job Type: Full-time

We are looking for an experiencedLead Senior Associate – Full-Stack Javato design, develop, and support scalable enterprise applications usingJava, Spring Boot, modern frontend frameworks, and distributed systems.

The role combines hands‑on software engineering, technical ownership, system design, mentoring, and cross‑functional collaboration. The ideal candidate will be comfortable building mission‑critical applications, solving complex engineering challenges, and contributing to reliable, observable, and maintainable software platforms.

Key Responsibilities

• Design, develop, and support scalableJava-based microservicesand modern user interfaces.
• Build enterprise applications usingJava, Spring Boot, Spring frameworks, and ORM technologies.
• Develop responsive and maintainable frontend applications usingReactJSor other modern JavaScript frameworks.
• Design and implementRESTful APIs, integrations, and distributed application components.
• Translate product requirements and user stories into actionable technical solutions.
• Take ownership of engineering deliverables throughout the complete software development lifecycle.
• Design loosely coupled, scalable, maintainable, and resilient microservices architectures.
• Work with relational databases such asMySQL and PostgreSQL, including schema and query design.
• Improve system observability through appropriatemetrics, monitoring, logging, and alerting.
• Define and monitor technical and operational metrics to assess system health and manage risks.
• Troubleshoot production issues, perform root-cause analysis, and implement sustainable solutions.
• Participate in on‑call rotations and support production systems when required.
• Conduct code reviews and promote clean coding, automated testing, and engineering best practices.
• Mentor and support other engineers through technical guidance, documentation, and knowledge sharing.
• Collaborate with Product, UX, Engineering, QA, DevOps, and other stakeholders.
• Contribute to Agile planning, estimation, delivery, and continuous improvement initiatives.
• Evaluate and useAI-assisted engineering toolsresponsibly in accordance with organisational policies.
• Contribute to cloud-native and modern DevOps practices across application development and deployment.

What Makes You a Great Fit

• 6+ years of professional software engineering experiencewith strong hands‑on development expertise.
• Strong proficiency inJava, Spring Boot, and related Spring technologies.
• Experience developing enterprise applications usingmicroservices and distributed systems.
• Strong experience withRESTful APIs, application integrations, and scalable backend services.
• Hands‑on experience withReactJSor modern frontend frameworks such as Angular or Vue.
• Strong understanding ofMySQL, PostgreSQL, database schema design, and query optimisation.
• Solid foundation indata structures, algorithms, object‑oriented programming, and software design principles.
• Experience with automated testing, code reviews, CI/CD, Agile development, and modern engineering practices.
• Strong understanding of application observability, monitoring, metrics, alerting, and production support.
• Experience withAWS or other cloud platformsis preferred.
• Familiarity withDocker, Kubernetes, and Terraformis an advantage.
• Experience withApache Kafka, AWS Kinesis, SNS/SQS, or other data‑streaming and messaging technologiesis desirable.
• Exposure toadvertising technology, programmatic advertising, or real‑time bidding platformsis an advantage.
• Strong problem‑solving, communication, mentoring, and stakeholder‑management skills.
• Ability to work independently while collaborating effectively across technical and non‑technical teams.
• Bachelors or Masters degree inComputer Science, Engineering, or a related discipline, or equivalent professional experience.