
- Job Title: Java Full Stack Engineer
- Job Summary: We are seeking a highly skilled Java Full Stack Engineer to join our dynamic development team. In this role, you will be responsible for designing, developing, and maintaining both frontend and backend components of our applications using Java and associated technologies. You will collaborate with cross-functional teams to deliver robust, scalable, and high-performing software solutions that meet our business needs. The ideal candidate will have a strong background in Java programming, experience with modern frontend frameworks, and a passion for full-stack development.
- Requirements:
- Bachelor’s degree in Computer Science, Engineering, or a related field.
- 6+ years of experience in full-stack development, with a strong focus on Java.
- Proficiency in Java programming and frameworks such as Spring and Hibernate.
- Experience with frontend technologies such as HTML, CSS, JavaScript, and frameworks like React or Angular.
- Strong understanding of RESTful services, microservices architecture, and database management.
- Familiarity with version control systems like Git and continuous integration/continuous deployment (CI/CD) pipelines.
- Knowledge of cloud platforms (AWS, GCP, or Azure) is a plus.
- Excellent problem-solving skills and the ability to work independently and in a team.
- Responsibilities:
- Design, develop, and maintain full-stack applications, including frontend and backend components, using Java and other technologies.
- Collaborate with product managers, designers, and other developers to create seamless and intuitive user experiences.
- Implement and maintain microservices architectures that are scalable, reliable, and efficient.
- Optimize application performance and ensure scalability to handle increasing user loads.
- Write clean, maintainable, and testable code, following best practices for software development.
- Participate in code reviews to maintain code quality and share knowledge with the team.
- Troubleshoot and resolve issues in a timely manner, ensuring the stability and reliability of the applications.
- Stay up-to-date with the latest industry trends and technologies to continuously improve our systems.
- Must-Have Skills:
- Java Programming: Deep knowledge of Java language, its ecosystem, and best practices.
- Frontend Technologies: Proficiency in HTML, CSS, JavaScript, and modern frontend frameworks like React or Angular.
- Backend Development: Expertise in developing and maintaining backend services using Java, Spring, and related technologies.
- Full Stack Development: Experience in both frontend and backend development, with the ability to work across the entire application stack.
- Soft Skills:
- Problem-Solving: Ability to analyze complex problems and develop effective solutions.
- Communication Skills: Strong verbal and written communication skills to effectively collaborate with cross-functional teams.
- Analytical Thinking: Ability to think critically and analytically to solve technical challenges.
- Time Management: Capable of managing multiple tasks and deadlines in a fast-paced environment.
- Adaptability: Ability to quickly learn and adapt to new technologies and methodologies.
- Hard Skills:
- Java Programming: Expert-level knowledge in Java and its application in full-stack development.
- Frontend Technologies: Proficient in frontend development using HTML, CSS, JavaScript, and frameworks like React or Angular.
- Backend Development: Skilled in backend development using Java, Spring, Hibernate, and RESTful services.
- Full Stack Development: Experience in developing end-to-end solutions, from the user interface to backend services and databases.

About Umanist Business Consulting
About
Umanist is a globally integrated talent solutions firm committed to reshaping the future of work through a human-centric, technology-enabled approach. With registered operations in the United States and a Centre of Excellence in India, we specialize in high-impact Staff Augmentation, Recruitment Process Outsourcing (RPO), Payroll & HR Services, and Workforce Strategy Consulting across over 25+ industries and verticals.
Rooted in our proprietary Humanistic Ideology, we believe the future of work lies in aligning human potential with purpose, backed by intelligent systems, ethical hiring practices, and sustainable delivery models. Our operations are driven by a global team of Subject Matter Experts, Technical Recruiters, and Workforce Architects, serving clients across the Americas, Europe, LATAM, APAC, and India.
At Umanist, we don’t just fill roles — we create value-driven workforce ecosystems that help organizations grow, innovate, and lead in a rapidly changing world of work.
Similar jobs
We are building new-age billing and pricing infrastructure for SaaS companies. As SaaS pricing evolves from vanilla subscription-based models to more granular usage-based models, billing and pricing infrastructure needs to be completely reimagined.
We're building our founding team and are looking for a front-end developer, who can take ownership of the user-facing side of our product. Your primary roles and responsibilities will evolve as the team grows.
Responsibilities:
- Taking full ownership of building a pixel-perfect frontend product
- Understanding code quality, maintainability, modularity, and scalability
- Break down large tasks into independent smaller chunks
- Implementing good testing practices to ensure rapid iteration
- Communicating with both technical and non-technical stakeholders to understand their points of view and to discuss your own ideas
Requirements:
- A basic understanding of backend development is a plus
- 1-3 years of experience
- Capable of building the frontend part of web applications with minimal guidance
- Proficiency in Javascript, Reactjs, HTML, and CSS
- Knowledge of other Javascript frameworks is a plus. Tailwind CSS/Tailwind UI experience is preferred but not required.
- Comfortable with frontend build systems
- Good understanding of frontend optimization
- Good at making a designer's design come to pixel-perfect reality
- Good at making decent interfaces from basic wireframes (without a designer's help) when needed
- Understanding of SSR is a plus, but not required
- Familiarity with billing systems, CPQ, and accounting systems is a plus
- Entrepreneurial mindset
- Self-driven individual with high ownership and a strong work ethic
- Good communication skills.
Benefits:
- Health insurance
- Generous vacation policy
- Learning and development budget
- Team events and company offsites
- Choose your laptop
- Maternity and Paternity benefits
1. Determining the structure and design of web pages.
2. Ensuring user experience determines design choices.
3. Developing features to enhance the user experience.
4. Ensuring web design is optimized for smartphones.
5. Building reusable code for future use.
6. Optimizing web pages for maximum speed and scalability.
7. Utilizing a variety of markup languages to write web pages.
8. Maintaining brand consistency throughout design.
Front End Developer Requirements:
1. Degree in Computer Science or related field.
2. Understanding of key design principles.
3. Proficiency with nodejs, react, redux.
4. Understanding of server-side rendering.
5. Good problem solving skills
Front end developer | Angular, CSS + .NET
Are you...
- Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
- Keen to make software that people will use every single day to make their lives easier?
- Excited to work on greenfield projects with responsibility and independence?
- Ready to develop and use your skills across our frontend, backend and mobile offerings?
- Meticulous about quality, and gifted with a strong desire to write beautiful code?
About the company
KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.
Why we need you
As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.
A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.
With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.
Our Tech Stack
- C# MVC modern tech stack
- .Net Core
- Front end web in TypeScript & Angular
- Test Driven Development (TDD) and follow SOLID design principles.
- EF 6.0
- SQL Server 2017
- Agile experience (Scrum, Kanban)
- TFS
- Cloud hosted in Azure with micro-services architecture
Your qualities
- Proficiency with Javascript & Angular.
- Proficiency with HTML/CSS. Being able to create Figma designs from scratch.
- You have experience with back end technologies such as .NET Core.
- Track record of building great products
- You’ll love the idea of being a big part of a small team. Current team size is 5.
- Motivation and ambition to succeed in a fast-paced environment
- Not afraid to take on responsibilities
What we offer
- Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
- Competitive salary based on relevant experience
- Flexible working for our most committed staff
- Unparalleled opportunities to develop your career as the company develops rapidly
If you want to join the KeyNest team, please get in touch – we look forward to meeting you.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
We are hiring : ReactJS Developer
Experience: 1 - 3 years
Location: Gurgaon
Roles and Responsibilities
- Experience in developing large scale, highly available, complex front-end development using JavaScript, React.js and ReactNative.
- Strong knowledge in both web and mobile application development.
- Knowledge, skills, and experience to write detailed design documentation, and functional specifications for application development.
- Write well designed, efficient, reusable, and reliable code.
- Experience with popular React.js workflows (such as Flux or Redux).
- Work with other senior Developers to resolve/debug program errors.
- Knowledge and ability to apply OOD (Java, HTML, XML, Java Script, and Patterns) and impact to the application development process.
- Knowledge of Agile development methodologies (preferably Scrum).
- Knowledge of database design and data structure libraries,(e.g., Immutable.js).
- Developing new user-facing features using React.js.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Actively aid the consulting team in different phases of the project including problem definition, effort estimation, diagnosis, solution generation, design development and deployment.
- Experience with data structure libraries,(e.g, Immutable.js).
- Contributing to team meetings, troubleshooting development.
- Good understanding of HTML CSS and front-end design technologies.
Desired Candidate Profile
- Ability to establish and maintain effective working relationships, supporting company leadership and other team members.
- Ability to manage multiple and changing priorities/tasks.
- Must like to continuously improve code, product and process.
- Must work with a strong professional and ownership mindset.
- Strong working experience in JavaScript, ReactNative and ReactJs is required.
- In-depth understanding of Javascript, the DOM, and relevant concepts.
- Proficiency in Typescript.
- Should have hands-on experience with testing libraries like jest & enzyme.
- Must be strong in logic and coding abilities.
- Strong analytical and problem-solving skills.
- Must be passionate and self-motivated.
- Excellent team player and good communication skills.
Key Skills
JavaScript, React.Js, ReactNative, Frontend Web Development, HTML, CSS, Redux, DOM, Flux, Data Structure, Web Technologies, Mobile Application Development.
Aerchain is an AI-powered Procurement platform transforming the way purchase is done in enterprises. We are a 2-year-old funded startup with some of the largest global companies as clients and are part of 3 top accelerator programs backed by Reliance Group, top VCs & Supply Chain experts. We are on the lookout for technology enthusiasts who would love to contribute to revolutionising the world's procurement industry with Artificial Intelligence!
Responsibilities
1. Define technical blueprints and take complete technical ownership of high-level design, tech stack of the product.
2. Design, build, test and deploy product features that are reliable, secure and optimised for performance across all environments.
3. Work closely with product management team to define and refine feature specifications.
4. Work with cross-functional teams to address technical dependencies.
5. Drive some of the company-wide tech initiatives striving towards continuous technical excellence of our platforms.
6. Mentor upcoming engineers in the organisation / team.
Qualifications
1. 4+ years of experience in developing dynamic, scalable web applications.
2. Demonstrated ability in building / architecting large scale products in the React ecosystem.
3. Ability to work with teams in a collaborative and productive manner.
4. Strong computer science fundamentals in data structures and algorithms.
5. Familiarity with cross-browser compatibility issues and demonstrates good design and UI / UX sensibilities.
6. Excellent technical leadership and mentoring skills.
Our Ideal Candidate
1. Loves writing and owning code and enjoys challenges and problem solving.
2. Self driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities.
3. Takes end-to-end ownership of the product, ideates on product requirements with the team and drives it from design to implementation.
4. Action-oriented and dreams big. More importantly believes and has the ability of “Making it Happen !”
Why Aerchain
1. Be part of the engineering leadership team - You’ll have the opportunity to work with cross-functional teams and take key technology decisions to build future-forward products.
2. Build a truly disruptive product - We are building a platform that transforms the way S2P cycles happen in enterprises. Using data at every step, we plan on automating processes starting with requirement gathering to payments and customers love us!
3. Be part of the high-growth challenge - In the process of scaling from 1-10, we are sure that there are very exciting and challenging times ahead. The experience of being a part of this growth phase is unique and will fast track your career. You’ll obviously learn a lot!
We are looking for an excellent experienced person in the Frontend Development field. As a frontend developer, you will be closely working with our team to ensure the system consistency and improve your experience.
Responsibilities:
• Ensure the technical feasibility of UI/UX designs.
• Optimize application for maximum speed and scalability.
• Assure that all user input is validated before submitting to the back-end.
• Collaborate with other team members and stakeholders
• Collaborate well with team and data implementation specialists to design and create advanced, elegant and efficient systems.
Requirements:
• Proficient understanding of web markup, including HTML5, CSS3, ReactJS, Nodejs
• Responsive and Mobile Design
• Cross-Browser Development
• Problem Solving Skill
• Basic understanding of server-side CSS pre-processing platforms
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as ReactJS, NodeJS and PHP)
Primary Skills:
• Ability to improve the performance of the website for both mobile and desktop.
• Come up with efficient, modular and scalable solutions for business and technical problems.
• Break projects into simpler granular tasks, estimate effort required and identify dependencies.
• Write efficient and readable code leveraging on a good understanding of object-oriented principles and design patterns.
• Follow release cycles and commitment to deadlines.
Yes, We are allowing working from home for most of the profiles and maintaining all precautions in the office also.
We are looking for a highly motivated and skilled Lead Frontend Developer who can understand both the design and business context in a technical ecosystem and manage the consumer facing user interface development life cycle, from designing, planning and prioritizing to testing and release.
If you have hands-on experience developing robust, pixel perfect & fluid user interface in React or Vanilla JavaScript with Redux, Thunk or similar frameworks and are ready to build & lead a team of developers, we'd like to meet you.
Requirements
- 6+ years of web UI development experience including 4+ years of deep, hands on experience in building robust, highly reusable and responsive web applications using HTML, CSS3, SVG, React, Redux, Thunk ecosystem
- Great problem-solving skills with solid data structures and algorithms knowledge
- Strong ability to translate the design/wireframes into reusable micro components
- Experience of leading, coaching and mentoring junior developers with good delegation and time-management skills
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles and has extensively worked with Redux, Thunk, Axios etc
- Knowledge of modern authorization mechanisms, such as JSON Web Token, Oauth2 etc
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- A knack for perfection, benchmarking and optimization
- Writing and maintaining batch jobs to streamline processes (Shell, Perl etc).
- Strong understanding of Agile and Lean software development processes and practices
- Worked with WebSocket, Push notifications etc
- Experience working with local-storage, cookies etc
- Proficient understanding of CORS issues and ways to work with such issues.
- Proficient understanding of social network APIs.
- Experience with data structure libraries (e.g., Immutable.js)
- Inclined to take ownership of tasks and to ship highly polished products with excellent attention to detail.
- Strong verbal and written communication skills in English.
- BE/BTech in Computer Science or a related field or equivalent practical experience










