lives of API developers and consumers easier. If you love thinking big and delving deep and
enjoy envisioning truly elegant solutions, this role is definitely for you.
What you will be Doing
- You will abstract away complex data interactions with easy-to-use APIs that will power several
mobile and web applications.
- You will also own, scale, and maintain the computational and storage infrastructure for the
various micro-services and long-running jobs, designed and implemented by you and the team.
- We will look to you to make key decisions on the technology stack, architecture, networking,
and security. We love working with bleeding-edge technology, especially if it improves the
malleability, and simplicity of our deliverables.
What you need
- The ideal Backend Engineers are polyglots who are fluent in HTTP and core CS concepts such
as algorithms, data structures, and programming paradigms, and always pick the right tools for
the right job.
- They have a keen eye for common security vulnerabilities and how to act on them (example:
DDOS attacks, SQL Injection etc.).
- They understand what it takes to work in a startup environment and know when to trade
performance for simplicity.
- They fail fast, learn faster, and execute in time.
- Strong communication skills, get-things-done attitude, and empathy
- Strong sense of ownership, drive and obsessive attention to detail.
- Comfortable with iterative development practices and code reviews
- Previous experience as part of a product-oriented team is a plus
Technical Skillsets:
NodeJS + Javascript, GoLang, Typescript + Nodejs, Clojure/Haskell/F#/Scala
(languages/environments)
Koa, Express, Play (frameworks)
Asynchronous Programming Frameworks (Akka, Nodejs, Tornado)
MongoDB, postgres, Bigtable, Dynamo (databases)
Apache Kafka, NATS, RabbitMQ, ZeroMQ (queues)
FunctionalProgramming, FRP (functional reactive)
microservices, multi-tenant, distributed-systems, distributed-computing, event-sourcing
Good to have Skillsets:
Clojure/Haskell/F#/Scala
Apache Kafka, NATS
FunctionalProgramming, FRP (functional reactive)
event-sourcing
Koa
Why you should consider this role seriously?
- We have an audacious vision of helping companies fight counterfeiting and managing their
supply chain more efficiently
- We have built a product and solved problems for some of the largest brands in the country and
tested platform at scale (With our tags present in over 50 Million products already). We have
plans to grow 10x in the next 1 year
- Ownership of key problems. Fast-paced environment
- We are a well-balanced team of experienced entrepreneurs and are backed by top investors
across India and the Silicon Valley (Venture Highway, Startup Buddy etc.)
- Competitive market salary
- Opportunity to work directly with the CEO, COO, CTO of the company
- A chance to interact with top-notch executives from multiple industries
- Open vacation policy (and we really mean it!)
- Open Pantry
- As a team, we love to travel :). An off-site every quarter

About O4S
About
Connect with the team
Similar jobs
We are looking for a talented Node.js Developer to join our growing development team. The ideal candidate will be responsible for designing, developing, and maintaining server-side applications using Node.js.
Responsibilities:
- Develop, test, and maintain server-side applications using Node.js.
- Design and implement scalable and high-performance APIs.
- Collaborate with front-end developers to integrate user-facing elements using server-side logic.
- Implement security and data protection measures.
- Troubleshoot and debug issues to ensure the smooth operation of applications.
- Collaborate with other team members and stakeholders to define software requirements and specifications.
- Stay up-to-date with the latest industry trends and advancements in Node.js development.
- Participate in code reviews to maintain code quality and provide constructive feedback.
- Optimize applications for maximum speed and scalability.
- Work with databases, such as MongoDB, MySQL, or other NoSQL databases.
Qualifications:
- Proven experience as a Node.js Developer or similar role.
- Strong proficiency in JavaScript and server-side frameworks (e.g., Express.js).
- Experience with front-end technologies, such as HTML, CSS, and JavaScript.
- Knowledge of RESTful API design and development.
- Familiarity with databases and data modeling.
- Understanding of asynchronous programming and event-driven architecture.
- Experience with version control systems, such as Git.
- Solid understanding of security best practices for web development.
- Excellent problem-solving skills and attention to detail.
- Good communication skills and the ability to work effectively in a collaborative team environment.
Education and Experience:
- Bachelor's degree in Computer Science, Engineering, or a related field.
- Proven work experience as a Node.js Developer with a portfolio of relevant projects.
BlackLight Gaming is looking for a top-notch, ambitious and driven Node. js developer who is confident of creating, maintaining and further optimising highly scalable backend supporting our multiplayer mobile games which are played by millions of players. If you're hard-working, enthusiastic, dedicated, have fire in the belly to accept challenges, then BlackLight Games is the place for you.
What You Bring to the team:
- More than 3+ years of experience developing serverless applications using public cloud like Google Cloud/ AWS
- Knowledge of Node. js and frameworks available for it.
- Strong proficiency with JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Distributed system development with an understanding of latency, scalability, scheduling, asynchronous programming, and reliability
- Understanding fundamental design principles behind a scalable application
- Experience with services common to serverless architectures, like: AWS Lambda, DynamoDB, IAM, Firebase Real Time Database, Google Cloud SQL, Cloud Tasks. It’s a bonus if you have worked on Google Cloud Project and Firebase.
- Solid Experience with NoSQL and SQL databases is required with proven experience of creating database schemas that represent and support business processes.
- Integration of multiple data sources and databases into one system.
- Experience with deploying, maintaining, debugging live systems, and end-to-end testing and analysis
- Experienced in creating micro-services based architectures, reusable components
- Experience building REST APIs and other common application architectures on the above services
- Experience building data processing pipelines
- Solid understanding of code, design, and development practices
- General comfort in exploring, assessing, and learning new frameworks
- High levels of integrity and professionalism, and an ability to channel maximum amounts of energy into the role delivering premium customer service at all times
- Adhere to different Project Management methodologies (Agile etc) and leverage different CI/CD tools
Extra Gems for:
- Google, AWS and/or Industry certifications.
- Familiarity with object storage such as AWS S3, Firebase Storage, in-memory caches such as Redis
- Demonstrated performance of threat modeling, risk assessment techniques, code reviews in the context of DevSecOps security
- Knowledge of Application Monitoring using tools like Google Stackdriver
- Broad familiarity with other languages like J2EE, Python as we write some code in these as well.
- Experience with Github and advanced Github features.
- Experience of working in Product industry
- Open source contributions, interesting hobby projects.
Why Us?
- High Growth Startup environment
- Company sponsored courses and education material
- Lots of learning opportunities
- Work with a super-talented team of professionals
- Informal work-culture, Casual Dress Code, multiple outings and trips
- Performance Based Bonus
- Competitive Salary
- Medical Insurance for you and your family
- Subsidies Lunch and Unlimited Snacks, Tea & Coffee in the house at all time
Roles & Responsibilities JOB TITLE: AEM Developer - Senior
RESPONSIBILITIES:
1. Participation in software development and maintenance
processes as per quality requirements, procedures and best
practices applicable.
2. Implementing, optimizing and supervising efficiency of IT
systems in accordance with specific standards, resolution or
escalation of problems, as appropriate.
3. Drawing up technical documentation.
4. Developing knowledge in scope of information technology used.
5. Developing knowledge in scope of best practices and standards
of creating software.
6. Developing soft skills in scope of effective communication and
efficient teamwork, solution presentation and knowledge sharing.
7. Interpreting business cases, preparing specifications and
analyzing functional and technical requirements.
8. Designing solutions and creating documentation, estimating
individual scope of works and time consumption of works.
9. Within the team and project/services, proactively identifying
problems and proposing measures to increase the level of services.
10. Developing knowledge in scope of information technology
used.
11. Developing knowledge in scope of best practices and standards
of creating software.
12. Spreading the knowledge throughout the organization by
educating and supporting less experienced Specialists.
13. Maintaining industry standards and practices in projects.
14. Performing tasks assigned by the superior.
PROFESSIONAL EXPERIENCE& TECHNICAL SKILLS
1. Minimum 3 years of experience in work related to CQ/AEM
development.
2. Minimum 5 years of experience in work related to Java
development in IT sector.
SOFT SKILLS:
1. Independence in performance of tasks assigned.
2. Team and end user communications skills.
3. Skills to acquire knowledge and put it in practice.
4. Work time estimation based on functional or technical
requirements.
5. Recommending employment in the case of reviewing technical
knowledge of candidates in recruitment process.
6. Work time estimation.
7. Designing and supervising implementation of solutions.
SPECIAL QUALIFICATIONS: Nice to have: AEM 6 Developer
certification
Skills Primary Skills –
1. AEM including Sling Models
2. Apache Sling
3. JCR
4. Sightly (must)
Secondary Skills –
1. OSGi (Apache Felix),
2. Java, JavaEE (Servlet, Filter, JSP)
3. Git
4. Junit
5. Maven
6. REST
7. Object Oriented Design Patterns, Basic HTML + JavaScript
Experience Total Experience – 4-6 years
Relevant Experience – 4-6 years
Qualification Required to perform the
Job (Any Certifications if Needed)
Bachelor’s in information technology or equivalent qualifications.
Dear Candidate,
I came across your candidature and want to discuss on a suitable role with us.Please find below JD and do reply with updated resume. Software Development Engineer – SDE 2. Bengaluru/Hyderabad/Gurgaon/Chennai/Pune As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward. Top Skills You write high quality, maintainable, and robust code, often in Java or C++ or C# You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations. You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed. Roles & Responsibilities You solve problems at their root, stepping back to understand the broader context. You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact. You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications. You recognize and use design patterns to solve business problems. You understand how operating systems work, perform and scale. You continually align your work with Amazon’s business objectives and seek to deliver business value. You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer. You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon. You communicate clearly with your team and with other groups and listen effectively. Skills & Experience Bachelors or Masters in Computer Science or relevant technical field. Experience in software development and full product life-cycle. Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby. Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability. Proficiency in SQL and data modeling.
WebGile Solutions is a fast growing IT services and solutions company. We combine cutting-edge technologies with strategic expertise to help customers meet their business requirements. We utilize the latest technology to provide sophisticated and secure IT solutions and deliver it using our onsite offshore model to ensure flexibility and agility. We are a highly talented team of dedicated professionals providing our valued customers with bespoke solutions and great-value services.
Industry Type: IT Software Services
Employment Type: Full-time
Job Location: Nagpur
Education Qualification: B.E (CS/ IT) / B.Tech /MCA
Experience Required: 1 to 4 years
*
Skills Required:
HTML5, CSS3, Javascript, Jquery, MySQL, PHP, Wordpress
Knowledge in Codeigniter and Laravel will be an added advantage
Good Communication skills and go getter attitude
Roles & Responsibilities:
- Must be able to perform all aspects of the development tasks, including front- end, back- end, and database development.
- Develop web sites, applications and rich multi- media experiences according to the brief and technical specifications.
- Will be handling a team and multiple projects.
- Adhering to project coding standards and recommending improvements, modifying existing software to correct errors, allowing it to function in new operating environments.
- Designing and building the website front-end.
- Creating the website architecture.
- Designing and managing the website back-end including database and server integration.
- Generating WordPress themes and plugins.
- Troubleshooting content issues.
- Monitoring the performance of the live website.
Knowlarity Communications is India's largest cloud-based solutions provider. Our virtual phone system and enterprise solutions help make your business reliable and intelligent. With the capability to process over a million calls an hour, Knowlarity is a trusted brand for more than 8000 companies worldwide, SMBs as well as enterprises. We are funded by Sequoia Capital and Mayfield, headquartered in Singapore and have offices in Gurgaon, Mumbai, Bangalore, Dubai and the Philippines. Knowlarity solves business problems by making telephony intelligent and reliable in real time over the cloud, for Enterprises.
Must Have:
Languages : C, Python
DataBase: MySQL, PostgreSQL
Tools: Git
Operating System: Linux
Protocols: SIP, RTP, WebRTC
Good to have:
Languages : AWS, GCP, Azure (Cloud services)
Tools: FreeSWITCH, Asterisk, OpenSIP
We offer:
- A competitive salary and extensive social benefits
- Opportunity to be part of a team that invented and dominates the emerging market in the cloud telephony industry.
- Massive opportunities for growth.
- Work from a prime location - easy accessibility from both Gurgaon and Delhi.
- Work-life balance and support for career development.
- An amazing life inside the Knowlarity! Want to know more about it
Then let's stay connected!
https://www.facebook.com/Knowlarity/" target="_blank">https://www.facebook.com/
https://twitter.com/knowlarity" target="_blank">https://twitter.com/knowlarity
https://www.linkedin.com/company-beta/410771/" target="_blank">https://www.linkedin.com/
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Past experience in NodeJs, Redux and other advanced JavaScript libraries and frameworks.
- Hands-on experience in NodeJS, Javascript, ECMAScript (OOJS) and JSX.
- Knowledge of SPAs and build tools like Npm, Webpack, Grunt, Bower etc
- Should have good knowledge of Mobile friendly web application development
- Proficient understanding of web markup, including HTML5, CSS3, Bootstrap, Flexbox.
- Should have the knowledge of Good understanding of asynchronous request handling, partial page updates, and AJAX framework.
- Familiarity with RESTful APIs
- Hands-on experience in server-side CSS pre-processing platforms, such as SASS or LESS
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git, Github
Responsibilities :
- Perform all aspects of the software development such as requirements and specifications, design and development, coding and debugging.
- Should be able to come up with strategies to speed up the iterative process of software development.
- Analyse and enhance efficiency, stability, and scalability of system resources
Responsibilities:
- Build reusable code and libraries for future use.
- Own & build new modules/features end-to-end independently.
- Collaborate with other team members and stakeholders.
Requirements:
- Thorough understanding of Node.js, JavaScript, its quirks, and workarounds.
- Excellence in at least one framework like strongloop loopback, express.js, sail.js etc.
- Excellence in at least one Javascript framework like Angular, vue.js, Ember, React or Backbone.
- Basic architectural understanding of modern day web applications.
- Diligence for coding standards.
- Must be good with git and git workflow.
- Experience of external integrations is a plus.
- Working knowledge of AWS, GCC, Azure.
- Expertise with linux based systems.
- Experience with CI/CD tools like jenkins is a plus.
- Experience with testing and automation frameworks.
- Extensive understanding of RDBMS systems.
- Interpersonal Go-getter attitude and a passion for making killer web applications.
- Good communication and interpersonal skills.
- Ability to work in a high pressure environment.
- Ability to quickly understand complex problems and devise effective solutions.
- Knowledge of D3/NodeJS/AngularJS/lodash etc.
- Experience on Cloud as a platform or Infrastructure.
- Inclination to application design standards.








