Backend Developer

JOB TITLE – BACKEND DEVELOPER

Company’s Profile- VectorStack is a dynamic and creative leader in the IT industry. In addition to providing high-quality, high-value goods, consulting, and support services all in one package, we are dedicated to fostering innovation and providing our clients with outstanding solutions. We offer 24/7 service with an unwavering dedication to quality, guaranteeing prompt resolution of any issues.

Job Summary: We are seeking a skilled and experienced Senior Back-end Engineer proficient in Java to join our dynamic team. The ideal candidate will have 4-8 years of hands-on experience in Java development, particularly in building robust back-end systems and microservices architecture. As a Senior Back-end Engineer, you will collaborate with cross-functional teams to design, develop, and deploy scalable and efficient back-end solutions to support our products and services.

Responsibilities:

1.        Design, develop, and maintain high-performance backend systems and microservices using

Java.

2.        Collaborate with product managers, front-end engineers, and other stakeholders to understand requirements and translate them into technical specifications.

3.        Implement best practices in software development, including code reviews, testing, and documentation.

4.        Optimize and refactor existing codebase for improved performance, scalability, and maintainability.

5.        Troubleshoot and debug issues in production environments and provide timely resolutions.

6.        Stay updated with industry trends and emerging technologies to propose innovative solutions and improvements.

7.        Mentor junior engineers and contribute to their professional growth and development.

8.        Participate in agile ceremonies such as sprint planning, stand-ups, and retrospectives.

Requirements:

1.                  Bachelor's degree in Computer Science, Engineering, or a related field.

2.                  3+years of professional experience in backend development with a focus on Java.

3.                  Strong proficiency in Java programming language and its ecosystem.

4.                  Experience with building scalable and distributed systems using a microservices architecture.

5.                  Proficiency in Spring Framework (Spring Boot, Spring MVC, Spring Data, etc.).

6.                  Solid understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).

7.                  Experience with RESTful API design and implementation.

8.                  Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform.

9.                  Knowledge of containerization and orchestration tools like Docker and Kubernetes is a plus.

10.              Excellent problem-solving skills and attention to detail.

11.              Strong communication and collaboration skills.

12.              Ability to work independently and in a team-oriented environment.

13.              Experience with Agile/Scrum methodologies.

Preferred Qualifications:

1.                  Master's degree in Computer Science or a related field.

2.                  Experience with DevOps practices and CI/CD pipelines.

3.                  Knowledge of reactive programming frameworks like Akka or Vert. x.

4.                  Familiarity with message broker systems such as Kafka or RabbitMQ.

5.                  Contributions to open-source projects or active participation in the developer community.

Key deliverables for the Backend Engineer would be to work on meaningful, large-scale initiatives with a focus on autonomy to build features, be a part of the core team, and give direction to the product.

What you'll do

• You will join a growing team of experienced developers building a cross-platform application, backend services and open platform
• You will collaborate with your peers to define architecture, quality standards, and best practices and participate in code reviews, design reviews, architecture discussions.
• You will work closely with our product team, teaming up in small cross-functional teams to bring features from idea to prototype to final implementation

We would love to hear from you if

• You have 3+ years of experience as a software engineer at a SaaS or technology company, including familiarity with the different pieces of technology involved in building modern web applications
• You are proficient in backend development and technologies. You should understand concepts of multithreading, I/O, messaging, instrumentation, and their implementation.
• You have a working knowledge of algorithms and data structures with space and memory complexities
• You deal well with constant change and high levels of ambiguity (we are a startup)
• You have knowledge of Messaging Queues (Kafka/RabitMq/SQS), Dynamodb, Elastic Search, Redis/Memcache/Elasticache
• You have experience in building RESTful APIs, Spring framework, and Mysql/RDS
•  
• Experience with source control systems (prefer Github)
• Strive to craft clean, reliable, and highly maintainable code
• Experience with test-driven development and pair programming
• To you, technologies and programming languages are about tradeoffs. You may be opinionated, but you're not ideological and can learn new technologies as you go

• Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
• Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
• Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
• Developing the Code as per the requirements
• Working with product team and constructing the tech roadmap
• Designing, building and scaling the company's backend microservices
• Maintaining code integrity and organization
• Applying all quality requirements to make the code production ready
• Developing and deploying new features to facilitate related procedures and tools if necessary
• Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
• Designing and building efficient, reusable, and reliable Java code
• Pro actively catching and fixing bugs, and providing support for the back end services
• Managing servers and infrastructure by keeping the lights on and refining the deployment architecture

Your Responsibilities:

• Own the backend stack – Python based, that powers our product

• Collaborate with Data Scientists, Backend Developers(Node.js), Front-end developers, DevOps to design and implement new features
• Build and maintain several Backend Jobs and REST’ful Services which will be used internally in a Macroservices/Distributed services environment.
• Deploy and monitor the Jobs and endpoints ensuring availability and scalability(ability to handle 100X data processing load)
• Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.

Skills that you bring Along:

• A minimum 8+ years of extensive work experience with Python and related frameworks – particularly Flask.
• Extensive experience in designing and scheduling backend Python jobs
• Hands on working in different file formats like Json, Parquet, csv etc. coming from Data Science side.
• Extensive experience with databases such as Postgres and Mongo.
• Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
• Experience with cache like Redis and/or Memory cache
• Good experience in Microservices/Macroservices or Event driven Architectures
• Good experience with design patterns
• Experience in writing advanced SQL-queries, good knowledge of PL/SQL
• Good understanding of Software Design Principles and domain-driven design
• Good experience with Continuous Delivery and Containerization(Docker)
• Good experience in designing and maintaining REST’ful API endpoints
• Ideally maintaining infrastructure-as-code using Terraform
• Ideally experience in parallel data processing and building end-to-end Data Pipelines using tools such as Airflow/Prefect and Spark/Dask
• Excellent communication skills and the ability to explain complex topics in a simple manner

You will:

• Build services that serve millions of users
• Build for performance, reliability, and scalability
• Design easy-to-use APIs, systems, and tools
• Work with small teams of engineers, product, design, operation and other teams
• Lead projects, achieve goals, celebrate success with your teams

What you bring:

• 5+ years as individual contributor
• Strong background in Computer Science
• Strong technical expertise in robust and scalable server platform
• Helpful experiences include Java, Python, AWS, GCP, DevOps
• Leadership at bijnis is a service - you must be influential, patient, compassionate, able to prioritize, and able to inspire
• Ability to collaborate across multiple and cross functional teams
• Strategic mindset combined with pragmatic execution, and bias for action

• Understands detailed requirements and demonstrates excellent problem solving skills
• Deep understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
• Excellent programming skills in ROR, Golang, NodeJS, Python or Java
• Strong communication skills
• Strong sense of ownership, drive and ability to deliver results
• 2+ years of experience in product driven organization

Job Summary:

• Willingness to work on highly scalable cloud-native solutions based on microservices.
• Quickly learn the technologies and deliver using the same.
• Take complete ownership of the customer requirements.
• Motivated to deliver world-class quality.
• Inclined to bring new ways of thinking, working and providing solutions.
• Drive the concept of quality into everybody and have a zero-tolerance towards bad quality.

• Understand requirements from product management, customer and able to comprehensively break this down to manageable tasks.

Experience:

● 3-9 years of development experience.

Technical Skills:

Mandatory:

• Java - Advanced concepts concurrency, reflection, lambda, Java Springboot, Spring security,
• Actuator/Prometheus/Grafana/Servo (metrics),
• EFK/ELK stack (log analysis)
• OpenAPI/Swagger (documentation)
• RDBMS (PostgreSQL, MySQL, Maria or any other)
• NoSQL (Anyone of Mongo DB, Redis, Cassandra, Neo4J or other DBs)
• Automated unit tests/e2e tests (JUnit, TestNG, RestAssured etc)
• CI/CD pipelines (Jenkins, Sonar, Maven/Gradle etc)

Optional: (But highly recommended)

• NewSQL DB (TiDB, CockroachDB)
• AMQP/RabbitMQ
• Kafka
• Docker
• Kubernetes