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Firstsource Job Vacancy in Mumbai| Senior Software Engineer| Apply

Firstsource Job Vacancy Senior Software Engineer with 1–2 years of experience is being looked for Solutions. As part of the job responsibilities, the employee has to work on developing and...
Posted in Blog   •   Jobs
September 26, 2025
Firstsource Job Vacancy in Mumbai| Senior Software Engineer| Apply

Firstsource Job Vacancy Senior Software Engineer with 1–2 years of experience is being looked for Solutions. As part of the job responsibilities, the employee has to work on developing and maintaining the MERN stack, handle debugging, adjust the application for better performance, and interact with other teams for coordination. The ideal candidate should be skilled in Node.js, React.js, and SQL/NoSQL databases, comfortable with DevOps tools and front-end technologies. Familiarity with AI/ML technologies will be considered a bonus. Moreover, this is a full-time, on-site job with the potential for skill development, certification, and career progression in a lively and diverse work atmosphere.

  • Position: Senior Software Engineer
  • Company: Firstsource 
  • Location: Mumbai 
  • Experience: 1–2 years
  • Salary: ₹5 LPA – ₹8 LPA
  • Education: Bachelor’s Degree 
  • Employment Type: Full Time 

Firstsource Job Vacancy in Mumbai| Senior Software Engineer| Apply

Firstsource Job Vacancy Responsibilities 

As a Senior Software Engineer at Firstsource Solutions Limited, critical technical responsibilities directly associated with project success and business growth will be yours to own. The principal duties are as follows:

1. Application Development & Maintenance

  • Develop, test, and deploy scalable applications with the use of the MERN (MongoDB, Express.js, React.js, Node.js) stack.
  • Regular maintenance and performance tuning of software systems are necessary so that the systems remain up to the required standards for efficiency and scalability.

2. Collaboration with Cross-functional Teams

  • Collaborate closely with product managers, designers, testers, and other developers to define, design, and implement new features in the product.
  • Collaborate effectively with various departments to match technology-based solutions with business strategies.

3. Troubleshooting & Debugging

  • Discover the limiting points, bugs, and other performance issues of the software.
  • Do complex debugging and provide solutions quickly.

4. Full Software Development Lifecycle Participation

  • Participate solidly in requirement gathering, architecture design, coding, unit testing, integration, deployment, and maintenance.
  • Practice Agile/Scrum methodologies for quicker delivery.

5. Learning & Certification

  • Continue to learn and upskill in future technologies.
  • Get certified in the use of relevant tools and technologies as per the requirement of the project.

6. AI/ML Exposure (Added Advantage)

  • If you have the knowledge of frameworks like TensorFlow, PyTorch, and scikit-learn, then you can assist in AI/ML projects.
  • Use statistical analysis and mathematical modeling for solving practical business problems.

Job Description of Senior Software Engineer at Firstsource

Firstsource Senior Software Engineer is a technologist who is highly versatile in both front-end and back-end technologies with a thorough understanding of databases and cloud computing. This position needs a combination of technical expertise, problem-solving skills, and teamwork to produce superior software solutions.Bring out-of-the-box solutions to the table using the MERN stack.Make sure database design and management are both good by utilizing SQL and NoSQL systems.Employ contemporary DevOps methods to make software distribution more efficient.Implement collaborative development with fellow workers to satisfy the needs of the organization and clients.Keep abreast of and adopt new tools, frameworks, and best practices to provide valuable technical contributions to the company.This position will be perfect for those with 1–2 years of professional experience, who love coding, are eager to learn new technologies, and are devoted to giving their best.

Qualifications for Senior Software Engineer

For a Senior Software Engineer at Firstsource Solutions, we are looking for individuals who meet the following qualifications:

1. Educational Background

  • A Bachelor of Science degree in Computer Science, Information Technology, or equivalent fields.
  • The candidate holding a master’s degree in computer applications or engineering will be considered a little more qualified but it is not a prerequisite.

2. Professional Experience

  • Around 1 year of professional experience is the minimum required for the position.
  • Holders of 2 years of practical software development experience can be preferred.

3. Technical Certifications (Preferred)

  • A Certification in MERN stack technologies.
  • Cloud certifications (Azure, AWS, or GCP).
  • AI/ML-related certifications (however, it is a beneficial point to have but not mandatory).

Skills Required Firstsource Senior Software Engineer

To deliver as a Senior Software Engineer at Firstsource, you must know, use, and justify the following skills.

Core Technical Skills

  • Backend Development: Node.js with the Express.js framework.
  • Frontend Development: React.js; Angular is a bonus.

Databases:

  • SQL: Oracle, SQL Server, PostgreSQL.
  • NoSQL: MongoDB.
  • Programming Languages: JavaScript, HTML, CSS.
  • DevOps Tools: Azure DevOps, Git, and Docker.
  • Open-source Technologies: Experience in using open-source libraries and frameworks.
  • Database Tools: Know-how of Liquibase or Hibernate.

Additional Skills

  • AI/ML Knowledge: Understanding of frameworks like Keras, PyTorch, scikit-learn.
  • Analytical Abilities: Ability to perform statistic analysis and apply mathematical models with comfort.

Soft Skills:

  • Strong communication skills (written and spoken) with high proficiency.
  • Team player: The support you provide in teamwork in a cross-functional team with different skills and disciplines is beyond expectations.
  • The ability to raise questions and logical thinking skills of the solved problem are also possessed by you.
  • You can always amaze others with your ability of time.

Firstsource Job Vacancy in Mumbai| Senior Software Engineer| Apply

Benefits of Working at Firstsource

The employees of Firstsource Solutions Limited are the recipients of the several benefits and bonuses like:

1. Work-life Balance

  • Five-day work week.
  • Regular hours for full-time, on-premises jobs.

2. Learning & Development

  • Chance to learn and master new technologies.
  • Certification fees borne by the company to which employees have access.

3. Career Advancement

  • Experience with cross-domain projects which are difficult.
  • The flexibility of shifting to AI/ML or management positions.

4. Supportive Environment

  • Cooperative workplace conduct.
  • The primary focus on teamwork, and continuous learning.

5. Employee Well-being

  • Corporate health coverage (depending on company policy).
  • A workplace that is Open-minded and that encourages Diversity.

Senior Software Engineer Job Salary 

  • Salary: the information is not made public.
  • The salary is estimated to range between ₹5 LPA – ₹8 LPA, based on industry standards in Mumbai for candidates with 1–2 years of experience in MERN stack development.
  • Other benefits may include performance bonuses, health coverage, and upskilling sponsorships.

Company Overview

Firstsource Solutions Limited is a provider of the business process management (BPM) services with a global customer-centric model based out of Mumbai, India. The company is an RP-Sanjiv Goenka Group member and is highly regarded for its successful implementation of customer-centric solutions spanning the sectors of banking, financial services, healthcare, telecommunications, and media.They have gone global, and Firstsource currently has operations in multiple countries, employing a total number of thousands of specialists that are committed to achieving positive changes in businesses through the use of digital platforms and creative application of technology.

Career Growth Opportunities at Firstsource 

A Senior Software Engineer at Firstsource is the key to a bright future, the next step in your professional growth will then become very easy. Due to the company commitment to digital transformation, the staff of the firm can foresee the following paths of advancement:

1. Technical Growth

  • Step into professions that are highly technical such as AI/ML Engineer, Data Scientist, or Cloud Solutions Architect.
  • Advance your knowledge of programming languages and frameworks to an expert level.

2. Leadership Roles

  • Take up leadership roles like Team Lead, Technical Architect, or Engineering Manager.

3. Cross-functional Exposure

  • Interact with professionals from different countries, domains, and industries.
  • Experience working in various client places.

4. Learning & Development

  • Open doors to certifications and training programs.
  • Motivation to use the new technologies that are coming up.

How to Apply for Senior Software Engineer Job in Mumbai

Interested candidates can apply for the Senior Software Engineer at Firstsource through the following channels:

1. Official Careers Page: Visit Firstsource Careers to explore openings.

2. Job Portals: Apply through platforms like Naukri, LinkedIn, or Indeed where the vacancy is listed.

3. Direct Application: Share your updated resume with the HR team via company-provided email addresses.

4. Employee Referrals: Reach out to current Firstsource employees for referrals, which increases chances of selection.

When applying, ensure that your resume is tailored to highlight:

  • MERN stack experience.
  • Knowledge of DevOps and cloud technologies.
  • Any AI/ML exposure (if applicable).

Interview Preparation Tips For Firstsource Job

To crack the interview for the Senior Software Engineer role, consider the following preparation tips:

1. Technical Preparation

  • Revise concepts of React.js, Node.js, and MongoDB.
  • Brush up on SQL queries and database normalization concepts.
  • Practice coding problems on platforms like HackerRank, LeetCode, or CodeSignal.
  • Review DevOps practices, Git commands, and Docker basics.

2. AI/ML Knowledge (Optional but Advantageous)

  • Prepare basic ML algorithms and their applications.
  • Understand key libraries like scikit-learn or PyTorch.

3. Soft Skill Preparation

  • Practice answering behavioral questions (e.g., conflict resolution, teamwork, problem-solving).
  • Communicate ideas clearly and concisely.

4. Mock Interviews

  • Participate in mock technical interviews to simulate real scenarios.
  • Time yourself while solving coding challenges.

5. Company Research

  • Learn about Firstsource’s services, clients, and work culture.
  • Familiarize yourself with the RP-Sanjiv Goenka Group’s values and initiatives.

FAQs for Senior Software Engineer Job in Mumbai 

1. What is the minimum experience required for this role?

A minimum of 1 year and a maximum of 2 years of professional software development experience is required.

2. Is remote work available for this role?

No, this is a full-time, in-office role based in Mumbai.

3. Do I need AI/ML knowledge to apply?

AI/ML is an added advantage but not mandatory. The core requirement is proficiency in the MERN stack and databases.

4. What is the working schedule like?

The role follows a 5-day work week with regular office timings.

5. Does Firstsource provide certifications?

Yes, the company encourages employees to pursue certifications in new technologies.

Firstsource Job Vacancy in Mumbai| Senior Software Engineer| Apply

Conclusion

The position of Senior Software Engineer at Firstsource Solutions Limited is such a great chance for a young developer to grow his professional career during the next couple of years. The job description that comes with this position involves working with MERN stack technologies, managing databases, applying DevOps principles, and being exposed to AI/ML, which essentially means being at the forefront of the technical excellence and innovation.No doubt, Firstsource is a place that will give you a good working atmosphere, professional growth opportunities, and access to the worldwide projects. The question that can be asked is: Do you want to be a technical specialist or a manager?

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