Staff Backend Engineer

Deutsche Telekom Digital Labs; Gurugram District; On-site; INR 4,000,000 - 6,500,000; Full time

Job summary

Deutsche Telekom Digital Labs in Gurugram (India) seeks an experienced Staff Engineer to design and build high-performance backend systems for large-scale projects.

You will apply your strong foundations in data structures, algorithms, and multiple programming languages to real-world challenges, lead architecture discussions, and mentor junior engineers while delivering end-to-end solutions.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 8–12 years of solid experience in backend engineering.
• Strong foundation in data structures and algorithms.
• Proficiency in C++, Java, or Python.
• Experience with large-scale systems design and architecture.
• Experience with REST-based API integration and DB/SQL.
• Excellent communication and ownership of technical projects.

Responsibilities

• Design, implement, and optimise software systems for scalability and performance.
• Lead technical design discussions and contribute to architecture decisions.
• Write clean, maintainable code following best practices.
• Collaborate with product managers, designers, and engineers to deliver high-quality products.
• Mentor junior engineers and provide technical leadership across the team.
• Stay updated with latest tech and advocate modern tools and methodologies.

Skills

Backend engineering

Algorithms & data structures

C++/Java/Python

Microservices

REST APIs

SQL / RDBMS

OO design

Design patterns

Technical leadership

Code optimization

Education

Bachelor's or Master's in CS/Engineering

Tools

Version control

Job description

As a Staff Engineer, you will be instrumental in designing and developing high-performance systems. You will work on large-scale projects that impact millions of users globally, focusing on building scalable, efficient, and reliable solutions. This is an opportunity to apply your strong foundation in data structures, algorithms, and programming languages such as C++/Java/Python to real-world challenges.

Responsibilities

• Design, implement, and optimise software systems and applications, ensuring high availability, scalability, and performance.
• Lead technical design discussions and contribute to architecture decisions for large-scale projects.
• Write clean, maintainable, and efficient code while following best practices for software development.
• Collaborate with cross-functional teams, including product managers, designers, and other engineers, to deliver high-quality products.
• Mentor and guide junior engineers, providing technical leadership across the team.
• Stay up to date with the latest advancements in technology, and advocate for the adoption of modern tools and methodologies.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field from a top-tier institution.
• 8-12 years of solid experience in backend engineering.
• Solid foundation in data structures and algorithms with an ability to solve complex computational problems.
• Proficiency in one or more programming languages, including C++ or Java or Python.
• Work in collaboration with architects to write low-level design documents and to create a technical roadmap.
• Rearchitect existing algorithms and implementations. Work with simulations for functional performance.
• Experience with large-scale systems design and architecture.
• Strong problem-solving skills, with a focus on writing efficient and optimised code.
• Experience working on any microservice platform. Experience in algorithmic development. Good understanding of version control system.
• Experience working on REST-based API integration. Good RDBMS skills and experience in DB/SQL.
• Good understanding of design patterns, object-orientated design, and frameworks.
• Excellent verbal and written communication skills, with the ability to articulate technical concepts clearly.
• Demonstrated ability to take ownership of technical projects and deliver end-to-end solutions.