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Software Engineer (C++ / Software Development)

Tsys

  • Pune, India
  • 3-5 LPA
  • Internship
  • Posted Yesterday
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About the role

Global Payments is a leading worldwide provider of payment technology solutions, serving merchants, financial institutions, and software developers across more than 100 countries. With a strong focus on innovation, the company builds secure, scalable platforms that enable seamless electronic transactions for millions of consumers every day. As part of its rapid expansion in India, Global Payments has set up a technology hub in Pune, where fresh talent is nurtured to work on cutting‑edge payment products that power everything from point‑of‑sale terminals to mobile wallets.

The role of Software Engineer (C++ / Software Development) is an entry‑level position designed for recent graduates who are eager to start their professional journey in software development. You will be part of a collaborative engineering team that follows Agile methodologies and adheres to strict PCI‑DSS security standards. Your day‑to‑day activities will involve writing clean, maintainable code, debugging issues, and participating in code reviews.

The position offers a structured learning path, mentorship from senior engineers, and exposure to the full Software Development Life Cycle (SDLC) – from requirement gathering to deployment and post‑release support.

Key responsibilities include

  • Design, develop, and maintain backend services using C++ and supporting languages.
  • Write and debug frontend components with HTML, JavaScript, Node.js, or React.js.
  • Implement and consume RESTful APIs and integrate external services.
  • Perform unit testing, integration testing, and assist in system testing activities.
  • Identify, troubleshoot, and resolve coding defects and performance bottlenecks.
  • Maintain comprehensive documentation for code, APIs, and system architecture.
  • Follow coding standards, version‑control practices, and security compliance guidelines.
  • Collaborate with cross‑functional teams including QA, product, and operations.
  • Participate in sprint planning, daily stand‑ups, and retrospective meetings.
  • Continuously learn new technologies and contribute ideas for product improvement.

Technical stack for this role comprises C++, Python, Go, JavaScript, SQL/NoSQL databases, and modern web frameworks such as Node.js and React.js. Familiarity with API design, cloud platforms, and containerisation (Docker/Kubernetes) is a plus. The company encourages continuous upskilling through internal workshops, certifications, and access to online learning portals.

Growth path: Freshers start as Software Engineers and can progress to Senior Engineer, Tech Lead, and eventually Architect or Product Manager based on performance and skill acquisition. Global Payments values internal mobility, offering opportunities to work on diverse payment products, cross‑regional projects, and leadership programs.

Why join Global Payments? You will be part of a global brand that is shaping the future of digital commerce, gain hands‑on experience with high‑impact payment systems, and enjoy a supportive environment that invests in your professional development. The Pune office provides a vibrant campus culture, regular tech talks, and a collaborative atmosphere that helps fresh talent thrive.

Eligibility & process

Who can apply

Bachelor's degree in Computer Science, Information Technology, Management Information Systems or related fields; minimum 60% aggregate (or CGPA 6.0/10); graduating batch 2025‑2027; no active backlogs; basic knowledge of at least two programming languages; understanding of APIs and relational/NoSQL databases.

Skills & stack

C++ Python Go JavaScript HTML5 Node.js React SQL

Selection process

  1. Round 1: Online Aptitude Test
  2. Round 2: Technical Interview (coding & fundamentals)
  3. Round 3: HR Interview

Prep kit

20 resources
Study material 4
Company-specific guides 4
Likely coding questions 4
Round-wise strategy 4
Round 1: Online Assessment (OA) Aptitude, Quantitative Logic & 2 Coding Problems Focus on accuracy and speed. Practice arrays, strings, and standard arithmetic puzzles.
Round 2: Technical Interview 1 Core Tech Stack (C++, Python, Go, JavaScript, HTML5, Node.js, React, SQL) & Live Code Tracing Explain your thought process aloud. Analyze time & space complexities before coding.
Round 3: System Design & Problem Solving Database Schemas, APIs & Architecture Basics Clarify edge cases, diagram schemas cleanly, and discuss scalability trade-offs.
Round 4: HR & Cultural Fit Discussion Tsys Core Values, Learning Agility & Offer Terms Demonstrate passion, strong communication, and readiness for full-time collaboration.
Technical questions 5
What is the difference between WHERE and HAVING clauses in SQL? Answer
Model answer: WHERE filters rows before any groupings are applied, while HAVING filters aggregated groups after GROUP BY has executed.
Explain SQL Window functions: ROW_NUMBER(), RANK(), and DENSE_RANK(). Answer
Model answer: ROW_NUMBER() assigns unique sequential integers. RANK() assigns identical ranks to ties and skips ranks. DENSE_RANK() assigns identical ranks to ties without skipping rank numbers.
How do you handle NULL and missing values during data cleaning in Python/Pandas? Answer
Model answer: Use .isna().sum() to identify missing values. Impute with mean/median using .fillna() or remove with .dropna(subset=[...]) depending on variance impact.
What is the difference between Star Schema and Snowflake Schema in Data Warehousing? Answer
Model answer: Star Schema has denormalized dimension tables directly connected to the central Fact table. Snowflake Schema normalizes dimension tables into sub-dimensions to minimize redundancy.
How do you calculate MoM (Month-over-Month) growth in SQL? Answer
Model answer: Use LAG(revenue, 1) OVER (ORDER BY month) to fetch the previous month's revenue and compute (revenue - prev_revenue) / prev_revenue * 100.
Behavioural & HR questions 3
Why do you want to join Tsys as a Software Engineer (C++ / Software Development)?
Highlight Tsys's market reputation, recent tech innovations, and how your skills in C++ directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
How do you handle strict deadlines or sudden scope changes?
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
Tsys 3-5 LPA
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