Backend Developer
First seen by Alion on Sep 24, 2026. WAISL LIMITED scores B on the Alion truth index.
Backend Developer
Location : Onsite Bangalore
Experience : 6+ years
Role Overview :
We are seeking a seasoned Backend Developer with strong experience in designing, developing, and maintaining scalable backend applications and services. The role requires strong programming fundamentals, hands-on experience with modern backend technologies, API development, databases, microservices, and cloud environments.
Experience or exposure to data engineering is a significant advantage, as the role involves working with data-centric systems, analytics platforms, and data-intensive applications.
Key Responsibilities :
- Design, develop, and maintain scalable backend services and applications.
- Develop and integrate RESTful APIs and web services for internal and external applications.
- Build and maintain microservices-based architectures and ensure scalability, reliability, and performance.
- Work with relational and NoSQL databases, including database design, queries, optimization, and performance tuning.
- Implement secure, reliable, and high-performance backend solutions.
- Integrate applications with third-party systems, services, and APIs.
- Troubleshoot production issues, perform root-cause analysis, and implement effective solutions.
- Write clean, maintainable, and well-tested code following engineering best practices.
- Participate in code reviews, technical discussions, and architecture/design decisions.
- Collaborate with Product, QA, DevOps, Data Engineering, and other technical teams throughout the development lifecycle.
- Contribute to CI/CD pipelines, deployment processes, and application monitoring.
- Maintain clear technical documentation for backend services and APIs.
Required Skills :
- Strong hands-on backend development experience using Java (preferrable), Python, or Node.js.
- Strong understanding of object-oriented programming, data structures, algorithms, and software design principles.
- Hands-on experience with REST APIs, microservices, and web services.
- Strong experience with relational databases such as PostgreSQL, MySQL, or Oracle.
- Good understanding of NoSQL databases such as MongoDB, Redis, or similar technologies.
- Experience with Git, CI/CD pipelines, and DevOps practices.
- Hands-on exposure to Docker and Kubernetes.
- Experience working with cloud platforms such as AWS, Azure, or GCP.
- Strong understanding of application scalability, performance optimization, security, and system design.
- Experience working in Agile/Scrum environments.
Good-to-Have Data Engineering Exposure :
- Experience or exposure to ETL/data pipelines.
- Familiarity with Kafka, batch processing, or stream processing.
- Understanding of data lakes and data warehouses, including Snowflake or open-source platforms.
- Experience working with real-time data flows and event-driven architectures.
- Basic understanding of data modelling and analytics platforms.
- Experience integrating backend services with data/analytics applications.
Qualifications :
- Bachelors or Masters degree in Computer Science, Engineering, or a related field.
- 6+ years of professional experience in backend development.
- Proven experience building and maintaining scalable, production-grade backend applications and services.
- Experience working with large-scale systems and distributed/microservices architectures.
- Strong problem-solving and analytical skills.
Skills
Backend Architecture, RESTful API, Microservices Architecture, Java, Python, Node.js, Data Structure, Algorithm, NoSQL