Java Developer

Role & Responsibilities

As a Staff Engineer at Locus, you will play a critical role in defining and driving our backend architecture as we scale globally. You’ll own key systems that handle high volumes of data and transactions, ensuring performance, reliability, and maintainability across distributed environments.

Key Responsibilities-

• Own one or more core applications end-to-end, ensuring reliability, performance, and scalability.
• Lead the design, architecture, and development of complex, distributed systems, frameworks, and libraries aligned with Locus’s technical strategy.
• Drive engineering operational excellence by defining robust roadmaps for system reliability, observability, and performance improvements.
• Analyze and optimize existing systems for latency, throughput, and efficiency, ensuring they perform at scale.
• Collaborate cross-functionally with Product, Data, and Infrastructure teams to translate business requirements into technical deliverables.
• Mentor and guide engineers, fostering a culture of technical excellence, ownership, and continuous learning.
• Establish and uphold coding standards, conduct design and code reviews, and promote best practices across teams.
• Stay ahead of the curve on emerging technologies, frameworks, and patterns to strengthen Locus’s technology foundation.
• Contribute to hiring by identifying and attracting top-tier engineering talent.

Ideal Candidate

• Strong staff engineer profile
• Mandatory (Experience 1): Must have 9+ years in backend engineering with Java, Spring/Spring Boot, and microservices building large and schalable systems
• Mandatory (Experience 2): Must have been SDE-3 / Tech Lead / Lead SE for at least 2.5 years
• Mandatory (Tech skills 1): Strong in DSA, system design, design patterns, and problem-solving
• Mandatory (Tech skills 2): Proven experience building scalable, reliable, high-performance distributed systems
• Mandatory (Tech skills 3): Hands-on with SQL/NoSQL databases, REST/gRPC APIs, concurrency & async processing
• Mandatory (Tech skills 4): Experience in AWS/GCP, CI/CD pipelines, and observability/monitoring
• Mandatory (Communication): Excellent ability to explain complex technical concepts to varied stakeholders
• Mandatory (Company): Product companies (B2B SAAS preferred)
• Mandatory (Stability): Must have stayed for at least 2 years with each of the previous companies
• Mandatory (Education): B.Tech in computer science from Tier 1, Tier 2 colleges

1. Interested in exploring integration technologies 
2. Understand the business complexities of airline & hotel domain and system integration, their business process
3. Explore new technology stacks for integration and 
4. Many more opportunities .

JEE Technologies: Java,Servlet

Database: SQL.JDBC

Tools : GIT

Web Services: REST based API or XML based web services

Others : design Patterns, UML

We are looking for a highly motivated senior developer with at least 3+ years of strong hands-on experience in Java to join our startup. You would be playing pivotal role in contributing to the initial tech stack. You would be further responsible for designing and implementing product requirements that are highly usable, scalable, extensible and maintainable. You should be comfortable on working across different technologies/frameworks that we work on - Microservices, Java, Spring, Spring Boot, MySQL, Kubernetes, AWS.

Responsibilities and Duties:

• Design and build scalable REST APIs on Spring Boot
• Develop, test, tune for performance and deploy microservices
• Collaborate with the team, optimize and refactor the back-end architecture
• Maintain high standards of quality for code, documentation and other deliverables
• Active cross-team coordination would be expected
• Architecture and tech stack discussions to optimize for increasing server load
• DevOps tasks along with AWS features exploration

What are we looking for?

• Strong 3+ year experience in Core Java & backend technologies
• Good working knowledge of design patterns & OOAD
• Excellent analytical and problem-solving skills
• The skills that we consider: Java, MySQL/RDS, Spring/ Play, Maven, Redis, Kafka/SQS, Elasticsearch, AWS
• Experience with designing, implementing and deploying microservices
• Previously worked in a startup

WHAT YOU WILL DO:

• Execute a full software development lifecycle (SDLC)
• Develop flowcharts, layouts, and documentation to identify requirements and solutions
• Write well-designed, testable, reusable code and libraries for future use
• Optimize the application for maximum speed and scalability
• Implement security and data protection
• Produce specifications and determine operational feasibility
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document and maintain software functionality
• Troubleshoot, debug and upgrade existing systems
• Deploy programs and evaluate user feedback
• Comply with project plans and industry standards
• Ensure software is updated with latest features

REQUIRED SKILLS & QUALIFICATIONS:

• Good knowledge of Core Java (Minimum Version 8)
• J2EE with a good understanding of Servlets and JSP
• Experience in Spring Modules – Spring IOC and AOP, Spring Boot (version 2 plus), JDBC
• Expertise in design and development of various web and enterprise – level applications using Java/J2EE technologies such as Spring, Hibernate, Rest services.
• Web Services (including SOAP, XML, XML Schema, JSON, and REST)
• Tools required: Maven,Eclipse, Github, and Swagger
• Good knowledge of SQL and Redis (NOSql)
• Ability to document requirements and specifications
• Proven work experience as a Software Engineer or Software Developer
• Ability to develop software in Java or any other OOPS languages
• Excellent knowledge of relational databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in developing Web Applications using at least one popular Web Framework (Spring)
• Experience with test-driven development
• Proficiency in software engineering tools

PREFERRED SKILLS & QUALIFICATIONS:

• A Bachelor’s Degree in Computer Science, Software Engineering, or other related fields.
• Eight to Ten years of Software Engineering or Software Development experience, preferably in a related field.

REPORTING: This position will report to HOD

EMPLOYMENT TYPE: Full-Time

LOCATION: Remote (Pan India) & In-Office – Jaipur, India

SHIFT TIMINGS:

Summer - 1:30pm-10:30pm IST

Winter    - 2:30pm-11:30pm IST

What you will be doing

You will join our team as our Senior PHP Developer (Laravel) and your main responsibilities will be to:

• Write clean and maintainable code with good test coverage.
• Implement new features in collaboration with our design team.
• Optimize existing code to perfection with special attention to performance and maintainability.
• Do a code review of your colleagues work.

You and our future-proof stack

• We seek a balance between sticking with what works and fearlessly exploring the new.
• We use the latest stable version of PHP 7|8 because it allows us to write better code using features like strict type declarations, typed class properties and arrow functions.
• We leverage the elegance, simplicity and readability of the latest Laravel version.
• We want to spend our precious time on things that matter the most; that's why we perfect our easy to run the development environment with Homestead and custom scripts.
• We write and run tests with PHPUnit and http://cypress.io/">JavaScript End to End Testing Framework.
• We have a great set of tools to maintain the code quality and run on CI/CD (psalm (error level 4), rector, phpcs, php-cs-fixer, phpcpd etc.)
• We use Rector to maintain our code quality.
• We’re constantly refactoring our front-end code intending to reach front-end heaven:
• Laravel Blade template engine.
• PostCSS to maximize the power of modern CSS.
• Webpack for perfect control over front-end assets.
• Latest JS with support for ES2020 features. To accomplish this we use the latest Babel releases.

We ❤ CI (Continuous Integration) and CD (Continuous Delivery) so we usually deploy a few releases per day: Zero downtime. Just a few buttons to push. No sweaty palms.

We care deeply about the Developer Experience (DX) of our codebase and tools. DX and DevOps is our middle name: Git, GitHub, HTTP/2, Assets CDN, AWS, Enterprise SSDs on our high-spec servers, and much more.

About you

• You have expert knowledge of PHP.
• You have expert knowledge of Laravel.
• You have experience with test-driven development (TDD).
• You have 6+ years of experience working professionally with OOP.
• Your work is based on a solid foundation in computer science fundamentals from data structures and algorithms to design patterns.
• You are an engineer by mindset and always try to understand how things work under the hood.
• You have substantial experience working with RESTful web services and ORM concepts.
• You love to learn through doing. You’re ready to put in some hard work to expand your skills.
• You speak and write acceptable English – not perfect English, just acceptable
• You are a team player and you don't bring your ego to work. 
• You are self-motivated and self-disciplined and thus work well in a flat hierarchy with lots of freedom.
• You love to have creative freedom, make independent judgments and live up to the responsibility that comes with that freedom.
• You love to create tangible results—every hour and every day.
• You love to make a positive impact on the world and the lives of others.

Basic Qualifications

Candidates for this role must have:

• Bachelor’s degree in computer science or a related field
• At least three years of experience writing production code of increasing complexity
• Strong understanding of computer science fundamentals, including algorithms, complexity analysis, data structures, problem solving, and object-oriented analysis and design
• Proficiency in at least one of the following: Java, C, C++, C#, Ruby, Scala, Python
• Experience refactoring code and evolving architectures
• Experience crafting unit, integration, functional and regression tests

 Preferred Qualifications

• Master’s degree in computer science or a related field
• Experience developing in a Linux environment
• Experience applying service-oriented architecture techniques to production use cases
• Experience in developing secure, multi-platform mobile applications