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Annova Solutions

Junior Back-end engineer

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Summary

Junior backend engineer (~2 years experience) who designs and maintains REST APIs and scalable services in Python and/or Node.js, backed by SQL/NoSQL databases. Day-to-day spans AWS cloud services (Lambda, EC2, EKS, RDS, S3), Docker, CI/CD, and integrating LLMs/AI services into backend pipelines.

About the Role

We are looking for a Junior Backend Engineer with around 2 years of hands-on experience in backend development. The ideal candidate should have good working knowledge of Python and/or Node.js, REST APIs, databases, AWS, Docker, and backend application development.

You will work closely with senior engineers and cross-functional teams to develop, maintain, test, and improve scalable backend applications and services.

Key Responsibilities

Backend Architecture & Development

  • Design and develop scalable backend applications using Python and Node.js
  • Build secure, high-performance RESTful APIs and asynchronous event-driven services.
  • Design modular, reusable, and maintainable software following industry best practices.
  • Lead backend architecture discussions.
  • Optimize application performance, scalability, and reliability.


AI, NLP & Data Processing

  • Design and implement large-scale document and data processing pipelines.
  • Build backend systems supporting AI and NLP workloads.
  • Develop services for processing structured and unstructured datasets.
  • Integrate Large Language Models (LLMs) and other AI services into enterprise applications.
  • Collaborate with AI/ML engineers to deploy production-ready machine learning models.
  • Optimize AI inference pipelines for performance and cost.


Cloud Engineering (AWS)

Design, deploy, and manage cloud-native applications using AWS services including:

  • Amazon EKS
  • AWS Lambda
  • Amazon EC2
  • Amazon S3
  • Amazon RDS
  • Amazon ECS
  • IAM
  • CloudWatch
  • EventBridge
  • SQS/SNS
  • API Gateway
  • Secrets Manager
  • CloudFront

Responsibilities include:

  • Designing highly available cloud architectures.
  • Infrastructure automation.
  • Performance optimization.
  • Cost optimization.
  • Security best practices.
  • Disaster recovery planning.


Database & Data Engineering

  • Design scalable database schemas.
  • Optimize SQL queries and indexing strategies.
  • Work with relational and NoSQL databases.
  • Build ETL/data ingestion pipelines.
  • Handle large-scale data migration and processing.
  • Ensure data integrity, consistency, and high availability.


DevOps & Platform Engineering

  • Build and maintain CI/CD pipelines.
  • Containerize applications using Docker.
  • Deploy applications to Kubernetes (Amazon EKS).
  • Implement logging, monitoring, and observability solutions.
  • Improve deployment automation and operational efficiency.


Leadership & Mentorship

  • Mentor junior and mid-level engineers.
  • Conduct architecture and code reviews.
  • Define engineering standards and best practices.
  • Participate in sprint planning and technical estimation.
  • Collaborate with cross-functional teams to deliver high-quality solutions.


Required Technical Skills

Programming Languages

  • Python (Expert)
  • Node.js (Expert)
  • JavaScript / TypeScript


Backend Technologies

  • REST APIs
  • GraphQL
  • Microservices Architecture
  • Event-Driven Architecture
  • Message Queues
  • Asynchronous Processing
  • API Security
  • Authentication & Authorization (OAuth2, JWT)


Frontend (Working Knowledge)

  • React.js
  • Next.js

AWS Cloud

Strong hands-on experience with:

  • Amazon EKS
  • AWS Lambda
  • Amazon EC2
  • Amazon S3
  • Amazon RDS
  • Amazon ECS
  • API Gateway
  • CloudWatch
  • IAM
  • VPC
  • CloudFront
  • Route 53
  • Elastic Load Balancer
  • Auto Scaling
  • EventBridge
  • SQS
  • SNS
  • AWS Secrets Manager


Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis
  • Elasticsearch/OpenSearch (preferred)


Requirements

Required Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • Around 2 years of hands-on backend development experience.
  • Good knowledge of Python and/or Node.js.
  • Experience developing REST APIs.
  • Good understanding of databases and SQL.
  • Exposure to AWS or another cloud platform.
  • Experience with Git and version control.
  • Good problem-solving and debugging skills.
  • Willingness to learn new technologies and work in a fast-paced environment.

Preferred Qualifications

  • Experience with both Python and Node.js.
  • Experience with microservices architecture.
  • Hands-on Docker experience.
  • Exposure to Kubernetes/Amazon EKS.
  • Experience with AWS services.
  • Exposure to AI/ML, NLP, LLM, or document-processing applications.
  • Experience with PostgreSQL, MongoDB, or Redis.
  • Understanding of CI/CD pipelines.


Skills

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See also

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