
Full Stack Developer
at Helps Kids in learn coding through online classes. (SQ1)



- Create a platform to change the way kids learn: Because company is solving a unique problem, we have the chance to reimagine education. Be it collaboration or puzzles or interactive videos or even 3D experiences, there is a huge scope for innovation. You can help us get there.
- Tackle challenging and impactful problems: You'd jump between product, marketing, internal tools, process — participating in every phase from inception to implementation. Absolutely no boredom.
- Join us at a magical time: We went through Y Combinator, have raised funding and are seeing strong traction with a very lean team. You get to be among the first employees in one of the strongest and most passionate teams in the EdTech space.
So, what will you do as a Full Stack Lead at company?
- As one of the early employees, there will be a lot on your plate. All the time!
- You'll take ownership and build new product features from start to finish. We love to hire ‘Product Engineers’ who care about “why” behind a feature and suggest changes to hit the objectives even better
- You'll build improvements to performance, reliability, and product polish — for example, improving the efficiency and performance of our replicated state systems.
- You will mentor new joiners, review the pull requests and help with expanding the team as we grow
This might be for you if...
- You have strong knowledge of both front and back end technologies
- You have been professionally coding for at least 4 years
- You have worked in a startup and relish the chaos and pressure
- You've built and maintained quality user interfaces that have reached a large audience, ideally while the product is experiencing rapid growth.
- You can readily learn most technologies as you go. To you, technologies are about tools and tradeoffs, not an ideology.
- You care about the business implications of anything you build. You're not just going after cool stuff — you understand the balance between craft, speed, and the bottom line.
- Bonus: You're fluent with Typescript, Python, Go, NodeJS, Postgres, Docker.
- Bonus: You're familiar with multiple frameworks such as React, Django
- Bonus: You understand AWS infrastructure and can put out a fire if one happens

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Job Description:
We are seeking a highly motivated and skilled Full Stack Java Developer with strong experience in backend and frontend development, cloud deployment, and modern DevOps practices. The ideal candidate will have a solid background in Java/J2EE technologies, hands-on experience in developing microservices on AWS, and a good understanding of CI/CD pipelines and monitoring tools.
Key Responsibilities:
- Design, develop, test, and maintain scalable web applications and microservices.
- Implement backend logic using Core Java, J2EE, Spring Boot, Spring Batch, JPA, and REST APIs.
- Build responsive UIs using React, HTML, CSS, and integrate them with backend services.
- Develop and deploy microservices using AWS services like ECS, EC2, S3, API Gateway, Aurora, ALB, and Route 53.
- Participate in Agile development processes, including sprint planning, stand-ups, and retrospectives.
- Write unit and integration tests using JUnit and Cucumber.
- Monitor application performance using APM tools and analyze logs using Splunk or similar tools.
- Implement CI/CD pipelines using Jenkins, Maven/Gradle, and Git/Bitbucket.
- Work with containerization and orchestration tools like Docker and Kubernetes.
- Collaborate with cross-functional teams using tools like JIRA and Confluence.
Required Skills & Experience:
- Strong hands-on experience in Java/J2EE application development.
- Proficiency in Spring frameworks (Spring Boot, Batch) and RESTful services.
- Frontend development experience with React, HTML, CSS.
- Solid experience with AWS cloud technologies and deployment practices.
- Experience in writing and maintaining automated tests with JUnit and Cucumber.
- Knowledge of APM tools and log analysis tools (e.g., Splunk).
- Familiarity with CI/CD pipelines and tools (Jenkins, Maven/Gradle, Git).
- Experience with Docker and Kubernetes.
- Excellent problem-solving, debugging, and analytical skills.
- Good communication skills and ability to work in Agile teams.
Preferred Qualifications:
- AWS certification is a plus.
- Experience with Amazon Aurora and API Gateway in production environments.
- Knowledge of SOA, messaging systems (e.g., MQ), and security best practices.

About us
Astra is a cyber security SaaS company that makes otherwise chaotic pentests a breeze with its one of a kind Pentest Platform. Astra's continuous vulnerability scanner emulates hacker behavior to scan applications for 8300+ security tests. CTOs & CISOs love Astra because it helps them fix vulnerabilities in record time and move from DevOps to DevSecOps with Astra's CI/CD integrations.
Astra is loved by 650+ companies across the globe. In 2023 Astra uncovered 2 million+ vulnerabilities for its customers, saving customers $69M+ in potential losses due to security vulnerabilities.
We've been awarded by the President of France Mr. François Hollande at the La French Tech program and Prime Minister of India Shri Narendra Modi at the Global Conference on Cyber Security. Loom, MamaEarth, Muthoot Finance, Canara Robeco, ScripBox etc. are a few of Astra’s customers.
Role Overview
As an SDE 2 Back-end Engineer at Astra, you will play a crucial role in the development of a new vulnerability scanner from scratch. You will be architecting & engineering a scalable technical solution from the ground-up.
You will have the opportunity to work alongside talented individuals, collaborating to deliver innovative solutions and pushing the boundaries of what's possible in vulnerability scanning. The role requires deep collaboration with the founders, product, engineering & security teams.
Join our team and contribute to the development of a cutting-edge SaaS security platform, where high-quality engineering and continuous learning are at the core of everything we do.
Roles & Responsibilities:
- You will be joining our Vulnerability Scanner team which builds a security engine to identify vulnerabilities in technical infrastructure.
- You will be the technical product owner of the scanner, which would involve managing a lean team of backend engineers to ensure smooth implementation of the technical product roadmap.
- Research about security vulnerabilities, CVEs, and zero-days affecting cloud/web/API infrastructure.
- Work in an agile environment of engineers to architect, design, develop and build our microservice infrastructure.
- You will research, design, code, troubleshoot and support (on-call). What you create is also what you own.
- Writing secure, high quality, modular, testable & well documented code for features outlined in every sprint.
- Design and implement APIs in support of other services with a highly scalable, flexible, and secure backend using GoLang
- Hands-on experience with creating production-ready code & optimizing it by identifying and correcting bottlenecks.
- Driving strict code review standards among the team.
- Ensuring timely delivery of the features/products
- Working with product managers to ensure product delivery status is transparent & the end product always looks like how it was imagined
- Work closely with Security & Product teams in writing vulnerability detection rules, APIs etc.
Required Qualifications & Skills:
- Strong 2-4 years relevant development experience in GoLang
- Experience in building a technical product from idea to production.
- Design and build highly scalable and maintainable systems in Golang
- Expertise in Goroutines and Channels to write efficient code utilizing multi-core CPU optimally
- Must have hands-on experience with managing AWS/Google Cloud infrastructure
- Hands on experience in creating low latency high throughput REST APIs
- Write test suites and maintain code coverage above 80%
- Working knowledge of PostgreSQL, Redis, Kafka
- Good to have experience in Docker, Kubernetes, Kafka
- Good understanding of Data Structures, Algorithms and Operating Systems.
- Understanding of cloud/web security concepts would be an added advantage
What We Offer:
- Adrenalin rush of being a part of a fast-growing company
- Fully remote & agile working environment
- A wholesome opportunity in a fast-paced environment where you get to build things from scratch, improve and influence product design decisions
- Holistic understanding of SaaS and enterprise security business
- Opportunity to engage and collaborate with developers globally
- Experience with security side of things
- Annual trips to beaches or mountains (last one was Chikmangaluru)
- Open and supportive culture
- 3+ years of experience in the Development in JAVA technology.
- AWS or cloud Experience
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
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.




CodeCraft Technologies is a multi-award-winning creative engineering company offering design and technology solutions on mobile, web, and cloud platforms.
We are looking for an ambitious Xamarin developer to join our team.
Roles and Responsibilities:
• Work with product owners and engineering managers to understand the product roadmap.
• Designing and building advanced mobile features and Custom UI.
• Ensuring responsiveness of applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Keep the app stable and secure all the time.
• Continuously discovering, evaluating, and implementing new technologies and processes to maximize development efficiency.
• Comprehensively testing code for robustness including edge cases, usability and general reliability.
• Building reusable components and front-end libraries for future use.
• Communicate with the project manager regarding the status of the project and suggest appropriate deadlines for new functionalities.
• Resolve all the bugs reported by the QA team in a timely manner.
Desired Profile:
• Must Have Skills: Xamarin, MAUI, C# .NET
• Other Skills: Flutter & Dart and/or Java/Kotlin and/or Swift/ Swift UI
Good to Have:
• .NET Certification
• Native (iOS and Android) development Experience.
About the company and work culture:
You will love working with CodeCraft ☺
● Our projects are fast-paced. Everyone is expected to take ownership of the work assigned and are accountable for the same.
● We love to work with people who are proactive, Solution providers and are contributing positively.
● The office has an open culture.
● We encourage leadership development.
● We have good long-term benefits, a yearly vacation, and good opportunities to learn new skills and grow.
● We have worked with the #1 Sports stadium in the world and developed solutions used by NFL, NBA, and Soccer teams.
● We are currently working with clients on the Forbes list USA. One of them is the youngest RE billionaire in the USA.
● Our clients include a few Fortune companies.
● We have developed solutions featured by Apple and Microsoft.
● We won all the entries sent to design awards including a few Indian and International design awards.
● We are working with one of the 50 largest employers in NYC in the healthcare domain.
● We are working with both emerging and very successful start-ups globally.
Design Awards:
● India's Best Design Project Award, IBDA 2018. The jury was from 11 countries. We had 2 entries and won both.
● 11th International Design Awards, LA. There were 3200 entries from 95 countries. We won Silver in design for the Society Category.
● India's Best Design Project Award, IBDA 2017. The jury was from 10 countries.
● Finalist at Design4India- NASSCOM event.
Our business spread last year was:
• USA (95%)
• UK, India, New Zealand and Germany (2%)
Visit us on:
https://www.codecrafttech.com/
LinkedIn - https://tr.linkedin.com/company/codecraft-technologies-private-limited
Instagram - https://www.instagram.com/codecrafttech/
Facebook - https://www.facebook.com/CodeCraft/
Required skills:-
2+ years of experience in the Development of JAVA technology.
Strong Java Basics
SpringBoot or Spring MVC
Hands-on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
Proficient in REST API development
Messaging Queue (RabitMQ or Kafka)
Microservices
Any Caching Mechanism
Good at problem-solving
Good to Have Skills:
2+ years of experience in using Java/J2EE tech stacks
Good understanding of data structures and algorithms.
Excellent analytical and problem solving skills.
Ability to work in a fast-paced internet start-up environment.
Experience in technical mentorship/coaching is highly desirable.
Understanding of AI/ML algorithms is a plus.
Looking for Java Fullstack Developer with 4-5yrs of experience.
Job Rolre : Java Full Stack Developer
Experience : 4-5 yrs
Job Type : Permanent
Locations : Hyderabad/Bangalore/Chennai/Mumbai/Pune/Gurgaon
Notice Period : Max 30 Days
Description :
- Experience 4 – 5 years
- Good in Backend Springboot
- write Rest API (Should be strong in this area)
- Good Analytical ability, Good coding practice, Knowledge of Spring Security (Desirable),
- UI Knowledge of Angular (Average knowledge should be enough)
Key Responsibilities:
• Should have hands-on experience with Java
• Strong experience in Spring Boot, Micro Services
• Should be well versed with Agile Development methodologies
• Should have strong debugging and communication skill
• Should participate in design discussions and provide application designs, architecture, timeline estimations
• Problem-solving mind and attitude
• Ability to interface well with externally facing departments and directly with customers
• Effective communication skills – written, spoken, listening, and presentation
• Great Team player and experience working with global teams and global organizations Genuine interest in learning and knowledge sharing
Primary Skills:
• 2 years of Spring Boot and Microservices.
• 3+ years of experience in Core Java.
• Proficiency with Spring Framework.
• Innovate new approaches algorithms, libraries, tools, platforms, for relevant development areas
• Strong programming skills in Core JAVA / J2EE expert level
• Good at data structures, algorithms, problem-solving, and design patterns
• Knowledge of Web Services, Spring, ORM Frameworks, Spring Boot, Spring Cloud Gateway, OAuth2.0, Spring Security, JWT, Eureka, Hystrix, Apache Cassandra
• Should be well familiar with SQL/NO-SQL database
• Knowledge of Spring Batch, Kubernetes, Docker is a plus point
Must have skills : Experience with Core Java, Microservices, Oracle Database and SpringBoot.
Roles & Responsibility :
- Build new decentralized microservices based on decoupled Kafka architecture
- Thorough understanding of fundamentals including OOP, Design Patterns and Data Structures
- Good knowledge of design principles
- Produce clean, efficient code based on specifications
- Recommend and implement improvements
- Has proven ability to work independently or with minimal supervision
- Drive design discussions while also working with architects if a need arises
Required Skills :
- Experience building software applications professionally using Java.
- Strong understanding of troubleshooting methodologies and root cause analysis
Soft skills required :
- Excellent interpersonal and written communication skills.
- Able to pre-empt, identify and resolve problems that are non-routine or lacking in definition
- Ability to define, implement and work to a schedule
- Good time management skills.
- Attention to detail. Able to work with little or no supervision
- Ability to work with team members across the globe
- Experience with Core Java, Angular and SpringBoot is a plus.
Educational Qualifications : B.E./ ME (CS/EE) / MCA or equivalent higher-level degree
We are looking for Senior Backend Engineers to design and build the systems that power our core business of lending and loan processing. As a Senior Backend Engineer you will be expected to contribute significantly to your team. Your work is consistently of high quality. You solve complex problems, applying appropriate technologies, design patterns, and best practices. Your focus is on a major portion of existing or new team software. You work with your team to design and build software that is secure, correct, observable, and resilient. Your solutions are pragmatic. You identify the proper level of complexity for a task and advise your peers and manager on technical approach.
What you’ll do
- Design, implement, and maintain developer-friendly APIs and services
- Contribute to code and architecture reviews to keep our code quality high
- Debug and resolve production issues; take part in blameless postmortems
- Plan and execute smooth migrations to new technology as a way of managing technical debt
- Build tools and automation for our business and operations teams
- Make decisions on trade offs such as: Reuse versus introducing dependencies; Extensibility versus over-engineering; and Maintainability versus time to delivery (via short-term workarounds)
- Contribute to the improvement of your team’s code review standards, design discussions, team planning, and AARs.
You may shine in this role if you
- Have a track record of shipping software in a distributed systems environment
- Are enthusiastic about collaborating across departments to solve challenging problems
- Are pragmatic about the need to release less-than-perfect software and continuously iterate on it
- Can identify and articulate trade-offs in software and data design
- Can communicate both technical and business requirements fluently
- Are excited about both learning new things and teaching others
We speak mainly in javascript and golang, though we are open to engineers with different backgrounds and languages

