Software Engineer - Backend

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Profile - SQL Database

Experience - 5 Years

Location - Bangalore (5 days working)

Mandatory skills - SQL, Stored Procedures, MySQL

Notice Period - Immediate Joiners

Job Description -

• Strong experience in SQL
• Experience in Databases - MySQL & PostgresSQL.
• Experience in writing & adjusting Stored Procedures, T-SQL.
• Experience in Query optimization Index creation, SQL Joins, Sub-Queries.

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

1. At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
2. Excellent hands-on experience using MySQL or any other SQL Database.
3. Good knowledge of MongoDB or any other NoSQL Database.
4. Good knowledge of Redis, its data types, and their use cases.
5. Experience with graph-based databases like GraphQL and Neo4j.
6. Experience developing and deploying REST APIs.
7. Good knowledge of Unit Testing and available Test Frameworks.
8. Good understanding of advanced JS libraries and frameworks.
9. Experience with Web sockets, Service Workers, and Web Push Notifications.
10. Familiar with NodeJS profiling tools.
11. Proficient understanding of code versioning tools such as Git.
12. Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
13. Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
14. Experience building a large-scale social or location-based app.

About the Company:

Alyke, recognized as India's first friendship app, is revolutionizing the way people find friends online through its innovative matching algorithm. Alyke has quickly gained traction, surpassing 1 million users. This platform uniquely connects individuals based on shared interests and proximity, and stands out for its commitment to creating a secure environment that encourages users to express themselves freely. Joining Alyke offers the chance to be part of an innovative team dedicated to reshaping the landscape of social connections

Role Overview:

As a Senior Backend Developer, you will play a crucial role in the design, development, and optimization of our backend systems. You will be instrumental in building scalable, high-performance applications that support our business's needs. This role demands a deep understanding of backend technologies, database design, cloud infrastructure, and the ability to integrate a wide range of services and APIs.

Key Responsibilities

• Design and implement scalable, secure, and robust backend services and APIs.
• Lead the development of microservices architecture, ensuring optimal performance and scalability.
• Oversee the integration of third-party services and external APIs, including notification services like FCM.
• Develop and manage database schemas, optimizing for performance and scalability using MongoDB and Redis.
• Implement real-time data processing mechanisms for live updates and push notifications, utilizing technologies like Firebase.
• Manage cloud infrastructure and serverless functions on platforms such as AWS and GCP, ensuring efficient operations and cost management.
• Ensure the security of backend systems through robust authentication, authorization, data encryption, and adherence to best practices in data security and compliance.
• Work closely with the frontend team to integrate backend services and ensure a seamless user experience.
• Continuously evaluate and adopt new technologies and frameworks to improve the backend infrastructure.
• Mentor junior developers, fostering a culture of learning and growth within the team.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 5+ years of experience in backend development, with a strong portfolio of projects demonstrating expertise in NodeJS, ExpressJS, and asynchronous programming.
• Extensive experience with database design, optimization, and management using MongoDB and Redis.
• Proven track record in developing and managing REST APIs.
• Deep understanding of microservices architecture and real-time data processing.
• Solid experience with caching mechanisms and SQS management.
• Comprehensive knowledge of security principles, including authentication, authorization, and data encryption.
• Familiarity with compliance and data protection standards.
• Should have worked on scalable microservices architecture
• Experience with Lambda functions.
• Experience working with firebase
• Should have proven experience in mobile application development
• Should have working experience in sqs
• Have knowledge of elastic cache 
• Experience with cloud-native development and managing cloud infrastructure on AWS or GCP.
• Excellent problem-solving skills, with the ability to lead projects and collaborate effectively with cross-functional teams.
• Strong communication and leadership skills, with a passion for mentoring and driving technical excellence.
• Attach the link of mobile application worked on till date

Why Join Us?

• Opportunity to lead a cutting-edge project impacting users globally.
• Work in an environment that fosters innovation, collaboration, and professional growth.
• Competitive compensation, comprehensive benefits.

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.

Roles and Responsibilities

• Production platform hands-on experience involving Node JS & REST API.

• Hands-on production platform experience working with micro-service back-end architecture.

• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.

• Well-versed in cloud deployment of code blocks.

• Experience with JS testing and code analysis frameworks such as Mocha.

• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.

• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.

• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.

• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.

• Utilize AWS S3 bucket for secure and scalable storage of data and media files.

• Collaborate with QA engineers to perform thorough testing and bug fixes.

• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

• Coding and creating functional web applications and optimizing code for increasing response time and efficiency.
• Coordinating with front-end developers and providing server-side algorithms of user-facing web application elements.
• Analyzing the goals and requirements, handling bugs and errors and providing solutions for the same.
• Interacting with the database for storing data and ensuring that every user has access to what they search.

• Accomplishing the projects and goals within the deadline.
• Managing APIs that are executed across the devices.
• Participating in defining the architecture of the system.

Required skills

• Proven knowledge of front-end technologies, such as Angular, React, HTML, CSS, and JavaScript will be preferred.
• In-depth knowledge of PHP and related frameworks. Knowledge of Ruby, Python, NodeJs, and Java will be an added advantage.
• Good Communication, Analytical, Logical, and Leadership skills.
• Knowledge of front-end technologies such as Angular, React, HTML, CSS, and JavaScript will be preferred.
• Ability to manage a hosting environment along with database administration such as MySQL, Oracle.
• Excellent knowledge of APIs (REST, SOAP) and Web services.
• Capable of scaling applications to handle the load changes.
• Knowledge of version control, such as GIT.
• Knowledge of accessibility and security compliance.

Experience:
Min 3 year experience

About the Backend Developer

We are looking at a diligent, driven, passionate person for our efforts on engagement and retention of our customers (schools) in a high growth environment. Backend Developer will be the face of the organisation for the schools that are using the platform on a day to day basis. The Developer will interact with the schools via the chat support and email requests and resolve any issues that the schools might be facing in using the platform or extend any support they might be needing to use the platform to its fullest.

• As a Backend Developer, you will play a major role in, developing and deploying high-quality web platforms. In this multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and students, and user-test the product in real school settings.   
  
  Preferred Qualifications/Skills
  
  * Frameworks & Technologies: Node.js
  * Database: PostgreSQL, SQL
  * Tools: Git basics, Scripting basics
  * Soft Skills: Having a bias towards action, a good sense of design, empathy, and good communication skills 
  * Excellent written and oral communication skills
  * Great interpersonal skills
  
  About Toddle:  ( http://www.toddleapp.com/" target="_blank">www.toddleapp.com ) 

Tech9 India is looking for a mid-senior software engineer who is an expert with Nodejs and MongoDB.  This is a great opportunity to work with a company that has a primary focus of making our customers happy by delivering value, without all the burdensome policies and rules that have become typical for outsourced software development companies.

If you are looking for a change this is what we can promise you:

• You will have challenging problems to solve
• You will have flexibility and autonomy to solve problems and deliver solutions
• We will provide a highly collaborative environment with skilled and super friendly teammates
• We will fully support you in developing software the right way
• We won't burden you with useless policies and procedures
• We will provide you the tools you need to do your job right

If this sounds attractive please apply! We'd love to talk to you!

Responsibilities:

• Work with cross-functional teams, using agile practices, write, debug and deliver code
• Produce solid, thoroughly tested features

Requirements:

• Mid level roles require at least 3 years of experience in Nodejs senior roles require at least 4 years of experience with Node.
• At least 3 years of experience developing in HTML and CSS
• Strong verbal and written communication skills
• Experience working with product managers and scrum teams to effectively translate business requirements into workflows 
• Demonstrated ability to remove problems and overcome roadblocks
• Cloud platform experience 
• Hands-on experience with APIs, microservices
• Multiple years of experience delivery solutions through an Agile delivery methodology
• Ability to understand complex systems and solve challenging analytical problems
• Ability to leverage multiple tools and programming languages to analyze and manipulate data sets from disparate data sources
• Strong problem solving skills and critical thinking ability