Backend Developer - Node JS

Job Title : Software Development Engineer II (SDE 2) – Java or Golang (Backend)

Experience : 3+ Years

Location : Bengaluru

Working Days : 5 Days WFO

Notice Period : Immediate to 15 Days

Interview Process : 3 Client Rounds

Job Overview :

We are looking for an SDE 2 – Backend with strong hands-on experience in Java / Spring Boot or Golang to design, develop, and maintain scalable, high-performance backend applications. Candidates with experience in caching services will be highly preferred.

Mandatory Skills :

Java, Spring Boot, Golang, Gin, gRPC, REST APIs, Microservices, MySQL / PostgreSQL / Oracle, System Design, Caching, Data Structures & Algorithms, Git, CI/CD, Docker, Kubernetes, AWS / GCP.

Key Responsibilities :

• Design, develop, test, and deploy scalable backend applications and APIs.
• Develop microservices using Java / Spring Boot or Golang.
• For Golang roles, experience with Gin and gRPC is preferred.
• Work with MySQL, PostgreSQL, Oracle, or similar databases.
• Design and optimize caching solutions for application performance.
• Participate in system design and architecture discussions.
• Conduct code reviews and write unit/integration tests.
• Troubleshoot bugs and performance issues.
• Collaborate with Product, QA, and other engineering teams.
• Contribute to CI/CD, cloud, and DevOps practices.

Requirements :

• 3 to 5 years of backend development experience.
• Strong proficiency in Java / Spring / Spring Boot or Golang.
• Good understanding of REST APIs, Microservices, DSA, and System Design.
• Experience with relational databases.
• Strong debugging and problem-solving skills.
• Exposure to AWS/GCP, Docker, Kubernetes, Git, and CI/CD.
• Java candidates with end-to-end application design experience are preferred.
• Exposure to AI/ML tools or Low-Code/No-Code frameworks is a plus.

Interview Process :

Round 1 – LeetCode / Coding Round

• Data Structures & Algorithms
• Problem-solving and coding proficiency

Round 2 – System Design

• System architecture
• Scalability and performance
• API and database design
• Caching and distributed systems

Round 3 – Hiring Manager Round

• Technical depth
• Project and ownership experience
• Problem-solving approach
• Communication and collaboration
• Role and culture fit

Job Description:

• Bachelor's or Master's degree in Computer Science.
• Proven experience in leading a team of backend engineers
• Strong organizational and project management skills.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with Android development - kotlin, RX-java, design pattern.
• Proficiency with server-side languages such as Spring boot, Hibernate.
• Familiarity with database technology such as MySQL and MongoDB.
• Familiarity with cloud platforms(GCP).
• Experience with Agile/Scrum methodologies
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

Developer – Golang 

Responsibilities: 

• An individual contributor who will be part of the Software R&D team working on the following areas 

• Backend work in Golang, Micro services architecture 

• Work with internal team and customers to deliver solutions that will meet the customer needs with respect to the performance security, scalability and functionality. 

• Implementation of API and authentication methods using JWT 

• Writing scalable, robust, testable, efficient, and easily maintainable code 

• Translating software requirements into stable, working, high performance software 

Skills 

• 2-5 years of experience in Go programming language 

• Strong experience in working with Goroutine and channel patterns 

• Experience in Go framework for DB, JSON, Sockets, Web Frameworks and tools 

• Knowledge of logging and configuration packages like Zap, Viper 

• Experience in writing unit tests for Golang code 

• Familiarity with code versioning tools such as Git or Azure Repo 

• Should have knowledge of MySQL, PostgreSQL, or any RDBMS 

• Good knowledge of Linux / Ubuntu 

• .Develop and maintain the backend for a web platform in the Fin-tech Industry domain.
• Create testing framework for all business use cases Maintain Deploy builds

We at Joistic are a strong and focused team working on flutter and PHP Laravel. We are looking to add a backend dev to our team.

As a Backend Engineer at Joistic, you’ll be involved in working on admin panels, web apps, Rest Api creation etc. Having a good sense of UI/UX would be appreciated.

We are looking for an experienced Back-end developer to join our IT team! As a Back-end Developer, you will be responsible for the server-side web application logic as well as for the integration of the front-end part. 

• Be involved and participate in the overall application lifecycle
• Main focus on coding and debugging
• Collaborate with Front-end developers 
• Define and communicate technical and design requirements
• Provide training, help and support to other team members
• Build high-quality reusable code that can be used in thew future
• Develop functional and sustainable web applications with clean codes
• Troubleshoot and debug applications
• Learn about new technologies
• Stay up to date with current best practices
• Conduct UI tests and optimize performance
• Manage cutting-edge technologies to improve applications
• Collaborate with multidisciplinary team of designers, developers and system administrators
• Follow new and emerging technologies

• Bachelor’s Degree in Computer Science or equivalent
• 8-12 years’ of industry experience in programming web applications, mobile and/or large scale enterprise products
• Deep knowledge of C#, ASP, .NET, MVC, .Net core
• Deep knowledge and extensive experience working on Ruby or React and JavaScript, as required
• Experience with XML, ADO/ADO.NET, LINQ, AJAX, IIS
• Extended experience with SQL, relational and non-relational databases
• Experience in TFS and Visual Studio
• Hands on experience with SDLC and programming design patterns
• Experience with Agile methodology
• Skillful at reviewing new feature impact on an application and recognizing potential risks
• Uses time effectively and efficiently
• Quickly learns new technologies
• Detailed oriented, professional and possesses a positive work attitude
• Communicate professionally both verbally and in writing
• Effective time management skills
• Knowledge on UI technologies will be plus

PRINCIPAL DUTIES AND RESPONSIBILITIES:

• Develops software solutions by studying information needs, conferring with users, studying systems flow, data usage, and work processes, investigating problem areas, following the software development lifecycle.
• Conducts systems analysis and makes recommendations to improve the system to achieve an outcome.
• Promotes internal best practices and coding conventions to write and execute tests for your own code, including creating comprehensive unit tests.
• Contributes to Technical Requirements Documents.
• Requests constructive feedback for designs early in the process.
• Communicates successfully with large teams and many stakeholders.
• Provides mentorship for Software Engineers and participates in interview panels to hire new Software Engineers.
• Assists in removing obstacles for the team to yield successful sprints.
• Performs peer code reviews to ensure quality of the codebase.
• Ability to decompose and delegate work to junior engineers.
• Updates job knowledge by studying state-of-the-art development tools, programming techniques and computing equipment; participating in educational opportunities, reading professional publications, maintaining personal networks, participating in professional organizations.
• Works effectively with multiple projects and features.
• All other duties as assigned.