Sr. Backend Software Engineer (Nodejs)

JUUUNO is a leading technology innovator seeking a highly skilled Senior Backend Developer to join our dynamic engineering team. We are committed to building scalable, high-performance applications that push the boundaries of technological innovation.

Job Title

Senior Backend Developer

Bangalore

Job Type

Full-Time | Regular Employment

Experience Requirements

• Minimum 4-5 years of professional experience in backend development
• Proven track record of designing and implementing scalable application architectures
• Demonstrated expertise in building and maintaining complex backend systems
• Extensive experience in app development across multiple domains

Technical Requirements

Programming Languages (Required)

• Proficiency in at least two of the following languages:
• Python (Django/Flask)
• Java (Spring Boot)
• JavaScript/Node.js
• Kotlin
• Go (Golang)

Database Technologies

• Advanced knowledge of both SQL and NoSQL databases
• Experience with:
• PostgreSQL
• MySQL
• MongoDB
• Redis
• Ability to design efficient database schemas and optimize complex queries

Cloud and DevOps

• Extensive experience with cloud platforms:
• Amazon Web Services (AWS)
• Google Cloud Platform
• Microsoft Azure
• Containerization expertise:
• Docker
• Kubernetes
• CI/CD pipeline implementation
• Infrastructure as Code (Terraform, CloudFormation)

API and Microservices

• Expert-level API design and implementation
• RESTful and GraphQL API development
• Microservices architecture
• API documentation and management tools (Swagger, OpenAPI)

Security and Performance

• Strong understanding of:
• Authentication protocols (OAuth, JWT)
• Encryption techniques
• Web security best practices
• Performance optimization
• Scalability design patterns

Responsibilities

1. Design and develop robust, scalable backend services for complex applications
2. Architect high-performance system solutions
3. Implement and maintain microservices architectures
4. Ensure application security and data protection
5. Optimize database performance and query efficiency
6. Collaborate with cross-functional teams including frontend developers, product managers, and DevOps engineers
7. Conduct code reviews and mentor junior developers
8. Implement and maintain CI/CD pipelines
9. Troubleshoot and resolve complex technical challenges

Preferred Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, or related field
• Experience in startup or fast-paced technology environments
• Contributions to open-source projects
• Knowledge of machine learning integration in backend systems
• Experience with message queue systems (RabbitMQ, Apache Kafka)

Soft Skills

• Strong problem-solving abilities
• Excellent communication skills
• Ability to work in an agile, collaborative environment
• Passion for continuous learning and technology innovation
• Detail-oriented with strong analytical thinking

We are India’s fastest-growing digital trust platform offering services such as background verifications, reference checks, employee/staff onboarding, etc. We have completed more than 500+ million checks across 3000+ happy clients and since its inception, the company has shown continuous uptrend growth in an ever-changing business environment. As an organization, we are self-sustainable with positive cash flows.

At OnGrid, we are focused on redefining and reimagining Trust. We are leveraging APIs to build a digital trust platform all while being accountable that provides verified credentials instantly coming from the source directly. Having built the basic pillars of trust, we now want our imaginations to be let loose and think of avenues not explored and ways never implemented before. In this pursuit, we are looking for a motivated Staff Engineer (Backend) with experience in building high-performing, scalable, enterprise-grade applications, joining us, driving this vision, and taking it to a larger scale. If you are a visionary, always on the lookout for finding the right solutions, and a technology geek, constantly seeking to learn and improve your skillset, then you are the type of person we are looking for.

Roles & Responsibilities -

● Develop new user-facing features.

● Work alongside product to understand our requirements, and design, develop and iterate, think through the complex architecture.

● Writing clean, reusable, high-quality, high-performance, maintainable code.

● Encourage innovation and efficiency improvements to ensure processes are productive

● Ensure the training and mentoring of the team members

● Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed.

● Research and apply new technologies, techniques, and best practices.

Requirements -

• Bachelors/Masters in Computer Science or a related field

• 5 - 10 years of prior relevant experience

• Experience with web technologies and microservices architecture

• Java, Spring framework

• MySQL, Mongo, Solr, Redis,

• Kubernetes, Docker

• Excellent teamwork skills, flexibility, and ability to handle multiple tasks.

• Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story • Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services

• Exceptional design and architectural skills

• Experience of cloud providers/platforms like GCP and AWS

Apply only to this link - https://loginext.hire.trakstar.com/jobs/fk01is7?source=" target="_blank">https://loginext.hire.trakstar.com/jobs/fk01is7?source=

LogiNext is looking for a technically savvy and experienced senior engineer to lead development efforts. You will help the team grow in size and skills, optimizing their code while working on your own. You will design, and develop the products that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving access to massive amounts of data and information.

You have hands-on experience in building secure, high-performing and scalable systems in Java. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have successfully shipped applications with beautiful front-end and intelligent backend. You have demonstrated strong interpersonal and communication skills.

Responsibilities

Co-lead end-to-end design and development efforts for high-volume, low-latency applications for real-time event based systems Lead and direct software engineers, define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of platform modules and features Deliver high-availability and high-performance platform using micro-services architecture Identify bottlenecks and inefficiencies in code, and devise solutions to production and non-production issues Keep an eye out for open source projects and technology trends that can be introduced in the products Transform business functionalities and production specifications into technical requirements and low level design Be hands-on, adopt a practical approach to software and technology Work with product management and other teams to build highly scalable products

Requirements

Bachelor’s degree in Computer Science, Information Technology or a related field 4 to 6 years of design and development experience in scalable and distributed enterprise applications using Java/J2EE, JPA, Spring boot framework and RESTful web services Experience in managing, implementing and optimizing big data stores such as MySQL, MongoDB, Elasticsearch, Redis, DynamoDB Experience in deploying applications and using various managed services provided by cloud platforms (AWS, Azure, GCP) Experience in front-end technologies HTML5, CSS3, React.js, Angular and D3.js is preferred Strong foundation in computer science, with strong competencies in data structures, algorithms and software design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership

Around 4 years of experience in creating and implementing Web-based applications using

C#, ASP.net, Web API, MVC, Micro Services, JavaScript and SQL Server.

Familiarity or exposure to CI / CD, Dev Ops such as Dockers, containers, Azure, Pipeline is

highly recommended

Ability to work in an Agile, fast-paced environment, and learn rapidly.

Bachelor degree in computer science, computer engineering or similar.

Familiar with object-oriented development, design patterns and specifically in .NET

Framework (C#) with a strong background in web-based development and service-oriented

Architecture.

Expert in HTML, CSS, JavaScript, JQuery, JSON.

Writing clean, readable, and easily maintainable code.

Must have knowledge of project/task management tools like Jira,

Familiarity with Version Control like Bitbucket, Git etc.

Understanding of UI, cross-browser compatibility and web standards.

Build features and applications with responsive design

Good English communication skills, written and spoken.

Able to work with minimum supervision as well as perform under pressure and meet

Deadlines.

Come be a part of one of the most exciting e-learning startup! A product based company building a B2C subscription product for kids around the world. Best understood as a combination of Netflix + Skillshare + Instagram for kids of ages 5 - 15, there is going to be something new every week to work on!

Already present in over 148 countries, kids of all backgrounds, languages and ages use DIY.org on website, iOS and Android. DIY is a place online where kids truly discover themselves.

We are looking for a Product Engineer - Senior Backend Engineer to join our early stage startup with experience in building B2C products.

If you have experience of working in product based companies (preferably startups), and are looking to build exciting things that children across the world will use - come talk to us!

What you get to do:

• Design and build advanced applications from scratch keeping scalability and performance in mind
• A good handle on both client and server architecture.
• Work on bug fixing and improving application performance.
• Comfortable in owning large scale products and continuously re-evaluating and innovating.

Who are we looking for:

• Experience of 7+ years across product based companies
• Should have worked on building B2C products. Having experience in building edtech products would be a major plus.
• Should be an avid programmer with great problem solving skills.
• Should have a great grasp over NodeJs/Typescript/ AWS microservices/DB design/System Design.
• Should have experience in building scalable server-side systems. Should have significant experience in cloud infrastructure and designing databases.
• Should have knowledge of software architecture, system thinking and design patterns.

Core Responsibilities:

• Design and build solutions for complex business workflows
• Understanding the user persona and deliver a slick experience
• Take end to end ownership of components and be responsible for the subsystems that you work on from
• design, code, testing, integration, deployment, enhancements, etc.
• Write high-quality code and taking responsibility for their task
• Solve performance bottlenecks
• Mentor junior engineers
• Deliver with quality, on-time in a fast-paced start-up environment

Required Skills:

• Bachelor/Master's in computer science or relevant fields
• 4+ years of relevant experience
• Strong sense of ownership
• Excellent Java and object-oriented development skills
• Experience in building and scaling microservices
• Strong problem-solving skills, technical troubleshooting and diagnosing
• Expected to be a role model for young engineers, have a strong sense of code quality and enforce code
• quality within the team
• Strong knowledge in RDBMS and NOSQL technologies
• Experience in developing backends for enterprise systems like eCommerce / manufacturing / supply chain etc
• Excellent understanding of Debugging performance and optimization techniques
• Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
• Experience in developing any large scale Experience in cloud technologies
• Demonstrated ability to deliver in a fast-paced environment

We are looking to hire an experienced angularJS developer to join our dynamic team. As a lead developer, you will be responsible for creating a top-level coding base using Angular best practices. Your role will require you to implement an exciting and streamlined user experience in the form of a Java-based desktop and mobile web app.

• Designing and developing user interfaces using angularJS best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for AngularJS projects.
• Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support. 
  

  Requirements:

  • Bachelor’s degree in computer science, computer engineering, or similar.
  • Previous work experience as an AngularJS developer.
  • Proficient in CSS, HTML, and writing cross-browser compatible code.
  • Experience using JavaScript building tools like Gulp or Grunt.
  • Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
  • Excellent project management skills.
  • Proven experience implementing back-end JavaScript applications.
  • Excellent communication skills.
  • Critical thinker and good problem-solver.