Principal Software Engineer - Java

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

Experience in Core Java and Spring Boot.

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

• Should have the ability to analyze, design, develop and test complex, low-latency clientfacing applications. 

• Good development experience with RDBMS.

 • Good knowledge of multi-threading and high-performance server-side development.

• working knowledge of Kafka

• Excellent problem solving and coding skills. 

• Strong interpersonal, communication and analytical skills. 

• Should have the ability to express their design ideas and thoughts.

Sr Java Developer

Experience: 5+ Years

Location: Navi Mumbai, CBD Belapur

Domain: Banking (Payment Aggregators Project)

Work Schedule: 1st and 3rd Saturdays required, as per banking norms

Education: B.E. or Graduation in Computer Science or related field

Budget- 15 Lacs max fixed

Initial document check list before sharing the profiles.

Education

1. 10th Passing Certificate
2. 10th Mark Sheet
3. 12th Mark Sheet
4. 12th Passing Certificate
5. Convocation Certificate (Mandatory)
6. PG (if completed) Degree Certificate & Passing Certificate

Employment

1. Previous Organization’s Offer Letter
2. Previous Organization’s Appointment Letter
3. Previous Organization’s Experience Letter
4. Resignation Acceptance Mail from Previous Organization

JOB DESCRIPTION

Key Responsibilities:

Application Development: Design, develop, and maintain robust applications using Java, Spring, Spring Boot, Microservices, Hibernate, REST API, and Oracle SQL.

Spring Validation & Security: Implement input validation and manage secure access to resources using Spring Security.

Collaboration: Work hand-in-hand with cross-functional teams to define, design, and deliver innovative features.

Performance Optimization: Ensure peak performance, quality, and responsiveness of applications.

Problem Solving: Identify bottlenecks and bugs, and craft effective solutions.

Code Quality: Maintain high standards of code quality, organization, and automation.

Skills and Qualifications:

Experience: 5+ years in Java development.

Technical Proficiency: Expert in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and Spring Security.

Banking Domain Knowledge: Experience in payment gateway projects is a plus.

Design Patterns: Strong understanding of object-oriented programming and design patterns.

Problem Solver: Excellent analytical skills and ability to thrive in a fast-paced environment.

.Overall 5+ years of experience in application development using Java with creating and deploying microservices using the Spring Boot framework







• Strong experience in Maven.







• Good experience in unit(Junit) and integration testing.







• Experience in Microservices is a must.







Experience in designing and developing REST based services / Microservice development.







• Candidate should have good communication skills (written and verbal)







Excellent analytical and problem solving skills







Any one of these database Mongo, Maria, RMQ, Postgres, or other NoSQL servers







• Experience in AWS and CI/CD







5+ Years







Design, develop, and maintain robust, scalable, and secure backend services and APIs.







• Collaborate with frontend developers to integrate user-facing elements with server-side logic.







Write clean, efficient, and maintainable code following best practices and coding standards.







• Optimize performance and ensure high availability of backend services.







• Implement security measures to protect sensitive data and prevent vulnerabilities.







Design and manage databases, ensuring data integrity and efficient query performance.







Debug, troubleshoot, and resolve issues in production and development environments.







• Conduct code reviews and provide constructive feedback to team members.







Stay up-to-date with emerging backend technologies, frameworks, and best practices.







• Participate in Agile/Scrum ceremonies and contribute to sprint planning and estimations.

Job Brief:

We are looking for experience in API and Node.js to produce scalable software solutions. You will be part of a cross-functional team that is responsible for the full software development life cycle, from conception to deployment. You should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.

Responsibilities:

·       Work with development teams and product managers to ideate software solutions.

·       Design client-side and server-side architecture

·       Build the front-end of applications through appealing visual design.

·       Develop and manage well-functioning databases and applications.

·       Write effective APIs.

·       Test software to ensure responsiveness and efficiency.

·       Troubleshoot, debug and upgrade software.

·       Create security and data protection settings.

·       Build features and applications with a mobile responsive design.

·       Write technical documentation.

·       Work with data scientists and analysts to improve software.

Requirements:

·       Proven experience as a Full Stack Developer or similar role

·       Experience developing desktop and mobile applications.

·       Familiarity with common stacks

·       Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, Nodejs and .Net)

·       Familiarity with databases (e.g. MySQL, MS SQL, Mogo DB)

·       Good to have- Cloud knowledge (Azure, AWS)

·       Strong command on API Development with  Nodejs

·       Good to have- knowledge on multiple back-end languages ( Java, Python) and knowledge of JavaScript frameworks ( React, Angular, Node )

·       Excellent communication and teamwork skills

·       Great attention to detail

·       Organizational skills

Technical Skills:

HTML, CSS, React, API, JavaScript, Node, SQL, and Cloud knowledge (Azure/AWS)

 Experience – 4+ Years

• Working knowledge of XML, JAVA, REST, SOAP etc
• Basic knowledge of SQL, including the ability to author ad-hoc database queries.
• Is comfortable writing code in Ruby, Python, JavaScript, and Java and enjoys learning new languages and technologies.
• Has experience integrating  APIs (major plus)
• Experienced integrating RESTful APIs into web applications (a plus)
• Is experienced with Github or the likes.
• Should have worked on Payment Gateway Applications.

• Has a technical degree in Computer Science, Engineering or Mathematics (MBA is an asset)
• Technical Product/Software certifications an asset
• Has 3 to 5 years of experience in a similar client-facing role
• Has previous experience in a traditional software engineering or Implementation role.
• Has strong analytical and debugging skills.
• Experienced with Salesforce is a plus
• Solution-driven, able to grasp new concepts quickly and efficiently, able to work alone or in a team, able to work with no supervision and under pressure
• Excels in a collaborative and cross-functional environment.
• Demonstrates professional communication skills on technical and business-related subjects
• Experience working with payment gateways a major plus including ecommerce and Retail Experience with continuous integration and test-driven development methodologies a plus
• Excellent time management, organization, and planning skills are essential
• Flexibility to travel as required to meet with clients
• Ability to comprehend and translate complex technical issues and apply to business solutions
• Demonstrate ability to articulate complex technical terms or processes into business language
• Ability to synthesize technical information and apply to business solutions
• Able to set priorities, influence others, and manage customer and partner expectations
• Demonstrated success in customer and partner relationship management
• You are motivated, think outside of the box, and understand the purpose of process and procedures

Position: Java Backend Developer

Experience: Atleast 3 years

Joining: Immediate

Communication Skills: Good

Mandatory requirements:

- Java 8, SpringBoot 2.x

- Backbase 6, DB 2.x, IPS 1.x, CXS 6.x

- DBS 2.19 – 2.20

- Fluent in English, ability to work in remote teams, dependable

- Problem solving skills

Desirable requirements:

- DevOps, Pipelines, Docker, Kubernets, HELM

- Backbase Identity

- Security

Required Experience and Qualifications:

-3 to 6 years of software development experience.

-Experience of working in at least 2 or 3 projects, managing or leading the entire

tasks.

-Experience from a middle size company or from a startup will be preferred.

-BE/MCA/MSc in Computers/Information technology with a good academic

record.

-Must be willing to start Immediately work from home permanent

-Can Allocate working hours (Flexible) as per Projects Requirements.

-Must have Good Internet & Good Laptop/System

Perks & Benefits:

• Great learning, innovative and development platform.
• Remote work and flexible timings.
• Reimbursement of the online learning courses on certification.
• Medical insurance coverage for you and the dependence.
• Five Working days per week.