Sr Java FullStack Developer

About ProjectDiscovery

ProjectDiscovery is an open-source powered cyber security company with a mission to democratize security. With one of the largest open-source security communities in the world, we host contributions from security researchers and engineers to our 20+ open-source projects, including tools like Nuclei and httpx, which have earned us over 100k GitHub stars and millions of downloads.

We’re a passionate, globally distributed team of ~35, driven by the shared mission of revolutionizing the application security landscape. Backed by $25M in funding, we’re looking for talented individuals to join us in Jaipur office.

Learn more at:

🌐 ProjectDiscovery.io

📂 ProjectDiscovery GitHub

About the Role

We are looking for a software engineer to join our core platform team. The Platform team is a small group of experienced engineers managing ProjectDiscovery infrastructure, improving developer velocity, and ensuring the security, reliability, and scalability of our software. We are highly engaged in shaping the engineering culture at ProjectDiscovery, and operate as “the execution arm” working closely with founders and our CTO.

• Own codebase health, iteration velocity, and developer experience for all of ProjectDiscovery engineering.
• Build and maintain scalable, high-performance web applications.
• Work across the stack, from crafting intuitive front-end interfaces to building robust backend systems.
• Design and implement secure, maintainable APIs for seamless integration of tools and platforms.

What We’re Looking For:

• Expert with JavaScript (Next.js, React) and backend technologies like Node.js and Go.
• Experience with cloud services (Vercel, AWS, GCP) and modern DevOps practices.
• Knowledge of RESTful APIs and database systems like PostgreSQL, Elastic or MongoDB.
• Self-motivated and passionate about solving complex problems at scale.
• Operating and optimizing CI/CD systems to improve developer velocity

Why Join Us?

• Competitive compensation package and stock options.
• Inclusive Healthcare Package.
• Learn and grow - we provide mentorship and send you to events that help you build your network and technical skills.
• Learn with intense innovation and software shipping cycles. We ship multiple times a week and push major releases a couple of times a month.

Our Interview Process

We value efficiency and technical excellence in our hiring process:

1. Application Review: Your application is reviewed by a technical team member.
2. Initial Screening: A short call to understand your background, goals, and fit.

• Technical Rounds:Coding Assessment: Solve challenges using our tech stack.
• Create PR: Develop or enhance a feature related to one of our open-source tools.

1. Final Round: Showcase your work, share your vision, and discuss how you can contribute to ProjectDiscovery at our office in Jaipur.

We are looking for a skilled Fullstack Tech Lead with extensive experience in NestJS and NextJS to join our team. The ideal candidate should have a strong background in full-stack development, including building and deploying complex web applications. If you are a proactive and self-motivated individual with a passion for developing high-quality software, we would love to hear from you!

Key Responsibilities:

• Lead the development team in building and maintaining complex web applications using NestJS and NextJS.

• Architect and design scalable, secure, and maintainable systems.

• Collaborate with cross-functional teams to design, develop and deploy new features.

• Conduct code reviews and ensure the team follows best practices.

• Mentor junior developers and help them grow their skills.

• Stay up-to-date with the latest trends and technologies in web development.

Requirements:

• Proven experience as a Fullstack Developer or similar role, with a minimum of 5 years of experience.

• Strong experience with NestJS and NextJS.

• Strong experience in front-end technologies such as ReactJS, HTML, CSS, and JavaScript.

• Strong experience in backend technologies such as NodeJS and RESTful APIs.

• Experience in database technologies such as MongoDB and PostgreSQL.

• Familiarity with containerization technologies such as Docker and Kubernetes.

• Good understanding of Agile methodologies and experience in working in Agile environments.

• Excellent problem-solving and analytical skills.

• Strong leadership and communication skills.

• Bachelor's degree in Computer Science, Engineering or a related field.

At Advisor360°, we hire people with all kinds of awesome experiences, backgrounds, and perspectives. We like it that way. So even if you don’t meet every single requirement, please consider applying if you like what you see.

As a Full stack Software Engineer, you’ll be part of a team that’s responsible for developing several of Advisor360°’s most visible and critical web applications, including our public-facing application, Investor360°. These products are at the heart of what we offer to our advisors and their clients. In addition to having an Agile mindset and a desire to produce great software, you’ll need a positive attitude and excellent communication skills.

Key responsibilities

• Plan and implement mid- to large-scale projects from conception to completion
• Understand how to adapt theory and best practices to fit the needs of the project
• Deep knowledge and understanding of technology software design patterns and code concepts
• Demonstrate solutions by developing documentation, flowcharts, layouts, diagrams, code comments, and clear code
• Troubleshoot, debug, and upgrade existing systems
• Deploy programs and evaluate user feedback
• Document and maintain software functionality
• Show an appetite and aptitude for taking responsibility for technical decisions
• Assist with the direction for the team
• Collaborate with team members on effective development practices and communicate with tact, professionalism, and an eye toward team progression

Requirements

• 5+ years of programming experience in ASP.NET (C# or VB.NET), including MVC and Web API
• Experience serving as technical lead throughout the full software development lifecycle: conception, architecture definition, detailed design, scoping, planning, implementation, testing, documentation, delivery, and maintenance is preferred
•  Knowledge of professional software engineering and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
• Knowledge of Angular 5/npm/Swagger/TypeScript/.NET Core, or related technologies, along with client-side frameworks and languages, such as jQuery
• Proficiency in SQL/relational databases and TFS including building and release definitions within a CI and CD environment

Additional skills and knowledge

• Knowledge of Microsoft Azure platform a plus
• Ability to work in a fast-paced, Agile/Scrum environment
• A positive attitude and excellent communication skills
• An Agile mindset and a desire to produce great software

We are looking for a FULL-TIME OFFICE POSITION Java Developer (2-3 years experience) who is proficient with coding and can design, develop, test, and implement Java applications and resolve technical issues.

As a Java Developer, we are looking for a highly skilled candidate, who will be responsible for building great web applications in Java, analyzing business objectives and user requirements, suggesting necessary changes for the existing Java applications, compiling detailed technical documentation, and determining application functionalities and features.

Do you think you fit this description well? Then apply now!

Expected Responsibilities

• Understanding the business requirements
• Designing and developing the front end for customer-facing applications using the MVC framework
• Creating RESTful APIs for the front-end developers with and with ORM or raw query for any Database technologies like MySQL or MongoDB
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain regarding the app logic as well as the file system
• Supporting continuous improvement by investigating alternatives and technologies and presenting these for architectural review
• Writing non-blocking code and resorting to advanced techniques, such as multi-threading, when required

Required Skills And Qualifications

• MCA/BTech degree in Computer Science, Engineering, or a related subject
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Experience with Docker or any other containerization tools
• Growth mindset and a positive and collaborative attitude
• Professional, precise communication skills
• Fluency in English, both written and spoken

Must-Haves

• At least 2-3 years of experience as a Java Developer
• Experience with Amazon Web Services (S3, Lambda, Elastic Beanstalk, and other AWS modules)
• Hands-on experience in Core Java, Spring Boot, and Spring framework (Embedded Tomcat), REST API skills
• Deep understanding of Java, servlets in J2EE, web-based request handling with Microservices architecture
• Experience with JavaScript-based front-end frameworks like Angular JS or React JS
• Good understanding of Design Patterns, Data structures, and Algorithms
• Exposure to Agile principles and methodologies, including Continuous Integration and Test Driven Development
• Comprehensive knowledge of OO design principles and development patterns
• Java Batch Scheduling (e.g., Flux, Quartz) knowledge
• Previous experience working with clean code, SOLID principles, TDD

A Little About Who We Are

Klizo Solutions, founded by Joseph Ricard, is an IT company that develops outstanding applications and techs in an enterprise environment, located near CC2 in the New Town Area, Kolkata.

But it isn’t the first brainchild of our founder, as he also has multiple start-ups to his credit, including one of the largest music apps in the Philippines and Italy and a first-of-its-kind Cannabis Vending Machine.

So, naturally, being a part of a company founded and run by such a visionary tech leader and a serial entrepreneur, our employees always have ample opportunities to learn and grow as the company evolves.

Currently, our big happy Klizo family consists of 50+ employees. But we want to extend the happiness of working and collaborating with talented individuals even further. And by this, we mean we will hire more talents over the next few weeks!

Perks Of Being A Klizonian

• Training will be provided (if required)
• 5-day working in a week
• On-time salary every month
• Cool and approachable management
• Numerous opportunities for growth

Job Type: Full Time

• Architect, develop and maintain core products and services of the company.
• Create database architecture and best practises for optimization in speed and product operating costs.
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs with high-volume large scale transaction processing capabilities.
• Collaborate with design teams to ensure flawless UI and UX is achieved 
• Build features and applications with a mobile responsive design
• Write technical documentation
• Test software to ensure responsiveness and efficiency
• Work with customers in evaluating technical requirements.
• Work closely with the product managers to achieve product vision and goals
• Review work of other developers and contractors, provide feedback and mentoring.
• Assist in the hiring of technical talent.

• Proven experience as a Full Stack Developer or similar role for atleast 3 years 
• In depth knowledge of Ruby on Rails, NodeJS, ExpressJS or Restify
• Experience implementing applications using Angular 1 or React
• Experience creating front end applications using HTML5, Angular, LESS/SASS
• Hands on experience with JavaScript Development on both client and server-side
• Automating the building and deploying of code along with continuous integration (Jenkins/Hudson) and version control (SVN, Git)
• Strong experience is deploying and managing application in AWS and Google Cloud
• Creating secure RESTful-based web services in XML and JSON, Javascript, JQuery
• Experience with modern frameworks and design patterns, minimum 2 years experience with MEAN Fullstack paradigm

• Know how to create apis and applications
• Know how to architect and scale databases
• Know how to build front end for applications
• Know how to deploy applications on the cloud

Technical Leader reporting to the CTO/CEO. Your responsibilities include the following, but are not limited to:

1. Architecting, Designing and Developing Software Programmes based on requirements provided
2. Designing and Developing with a high quality of code that is modular, scalable and re-usable at all times
3. Promote SRE (Site Reliability Engineering) to ensure all of the services are Highly-Available and Fault Tolerant at all times
4. Communicate effectively the system requirements to other software development teams
5. Involve pro-actively with client and their requirements
6. Evaluate and select appropriate software or hardware and suggest integration methods
7. Oversee assigned programs (e.g. conduct code review) and provide guidance to team members
8. Assist with solving technical problems when they arise
9. Ensure the implementation of agreed architecture and infrastructure
10. Address technical concerns, ideas and suggestions
11. Monitor systems to ensure they meet both user needs and business goals

Overview

Xcelpros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. Our focus is Tech Innovation, Product Development and Technology Consulting.

We are hiring for our Product Development team and have an immediate need for a Backend Developer / Fullstack MERN Developer. The position calls for someone with a mindset who can build great products, manage multiple projects and related tasks on deadline. We are looking for high-quality and passionate developers that want to be a part of a great product team.

You need to have at least 2 years of demonstrated experience  as a Backend Developer using MERN (NodeJS, MongoDB, PostgreSQL & Express) & GraphQL technologies. The candidate will work closely with our internal teams in the design, development, launch and enhancement of various products.

About XcelPros

XcelPros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. XcelPros is focused on Tech Innovation, Product Development and Technology Consulting.

XcelPros specializes in technology solutions for Business-to-Business (B2B) and Business-to-Consumer (B2C) areas. We believe technology is the enabler of exponential growth for us and our customers. We are strategists delivering innovative business and technology solutions.  We have been well funded and operational since 2011.

XcelPros and affiliated group of companies are proud to foster a high-performance culture, one that's defined by having the best people, with the skills and determination to deliver above and beyond. We look for insightful and astute professionals who are also forward-thinking, confident, self-motivated and globally minded. Our core team consists of professionals with a wide range of skills and backgrounds.  XcelPros is continuously looking for talented, highly motivated individuals who believe in excellence and are committed to providing superior service to our customers and stakeholders. 

Experience

• Minimum of 2 years of experience in the design and development of  Web and Mobile applications using NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• You are required to have experience with development in Microservices Architecture 
• Experience with NestJS framework is a major plus
• Hands on experience with GoLang is not mandatory but a major plus

Start Date - Immediate

Positions - 2 (Immediate Need)

Responsibilities

• Minimum of 2 years of hands-on experience building applications in NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• Strong and mandatory experience of 2 years of experience in building applications using the Microservices architecture in NodeJS
• Strong and mandatory skills in Automating Components, Perceptibility, Configuration Management, Debugging & Consistency while writing Microservices.
• Experience building applications using NestJS or similar frameworks is a major plus 
• Experience building applications and service integrations using Apollo /  GraphQL
• Adhere to best practices of engineering by writing high-quality code.
• Hands on experience in Elastic Search and related technologies
• Hands on experience with one or more testing frameworks such as  Jest
• You are required to write / conduct unit & integration testing to ensure code meets high-quality standards
• Collaborate with multiple stakeholders, including Production Support, BAs, Architect, Project Managers, and Product Owners to deliver high quality solutions.
• Develop, build, configure and unit test solutions from low level designs
• Ensure that solutions meet requirements outlined in the design documentation
• Perform all work to agreed time, cost and quality constraints
• Ensure that developed solutions are peer reviewed and formally documented
• Design, develop, test and document detailed technical specifications for application components built using MERN (MongoDB, ExpressJS, ReactJS, NodeJS) stack and integrations
• Develop and maintain high traffic / high performance React and Node based e-commerce web applications and web services, including support for mobile
• Participate in support activities to help UI developers integrate with APIs / services
• Create and maintain scalable infrastructure leveraging modern AWS cloud platforms
• Knowledge of all development aspects within an Agile SDLC framework, including; estimation, design, development, unit test, code reviews, and documentation
• Develop solutions that satisfy business requirements as outlined in user stories, and within agreed upon timelines
• Ensure solutions are of high-quality with regards to following standards and best practices, as well as satisfying security and performance requirements
• Collaborate effectively with other Agile team members
• Work with the Production Support team in the research and resolution of production issues.
• Prior hands-on experience with architecture for Web and Mobile technologies, E-commerce, Payment Gateways, Data security and encryption is a major plus
• Experience with CICD, containers and container management platforms(Dockers, Docker Swarm/Kubernetes, etc.)
• Knowledge of GOLANG is a major plus
• Good understanding of the Twelve-factor App methodology is a major plus
• Experience defining new architectures and ability to drive project from an architecture standpoint is a major plus
• Experience with Security configuration is a major plus
• Experience in understanding platforms & key AWS services like Elastic Beanstalk, AWS Lambda, ECS, AWS Fargate, EKS, EC2, S3 etc. is a major plus
• Troubleshoot and resolve complex technical issues in cloud integrations
• Highest levels of code quality
• Needs to conduct weekly code reviews
• Ensure timely and quality release of the product in collaboration with other team members
• Must be a self-starter and able to build up presence in the team.
• Perform other related duties as assigned

Technical Expertise / Hands-On Skills:

• MERN (MongoDB, ExpressJS & Node JS)
• PostGreSQL
• Apollo GraphQL
• JEST
• RESTAPIs

Key Deliverables

• Develop very high sense of ownership, the zeal to build scalable applications
• Develop a deep understanding of product development and start-up ecosystem
• Work with a performance oriented team driven by ownership and open to experiments
• Build customer facing technology product for global customers
• Collaborate with development teams to help identify and develop reusable platforms/libraries.

Key Requirements

• Can do attitude
• Highly motivated to bring fresh thoughts to the table
• Highly creative and most importantly willing to exercise it
• Self-starter and self-learner focused on research and learning
• Ability to play a variety of roles and most importantly take accountability
• Ability to communicate openly and embrace various perspectives without judgment
• Believe in a ”No politics” attitude. Politics can be detrimental to yourself and the organization.