Mean Stack Developer

About us:

Trential is engineering the future of digital identity with W3C Verifiable Credentials—secure, decentralized, privacy-first. We make identity and credentials verifiable anywhere, instantly.

We are looking for a Team lead to architect, build, and scale high-performance web applications that power our core products. You will lead the full development lifecycle—from system design to deployment—while mentoring the team and driving best engineering practices across frontend and backend stacks.

 Design & Implement: Lead the design, implementation and management of Trential products.

 Lead by example: Be the most senior and impactful engineer on the team, setting the technical bar through your direct contributions.

 Code Quality & Best Practices: Enforce high standards for code quality, security, and performance through rigorous code reviews, automated testing, and continuous delivery pipelines.

 Standards Adherence: Ensure all solutions comply with relevant open standards like W3C Verifiable Credentials (VCs), Decentralized Identifiers (DIDs) & Privacy Laws, maintaining global interoperability.

 Continuous Improvement: Lead the charge to continuously evaluate and improve the products & processes. Instill a culture of metrics-driven process improvement to boost team efficiency and product quality.

 Cross-Functional Collaboration: Work closely with the Co-Founders & Product Team to translate business requirements and market needs into clear, actionable technical specifications and stories. Represent Trential in interactions with external stakeholders for integrations.

What we're looking for:

 Experience: 5+ years of experience in software development, with at least 2 years as a Technical Lead.

 Technical Depth: Deep proficiency in JavaScript and experience in building and operating distributed, fault-tolerant systems.

 Cloud & Infrastructure: Hands-on experience with cloud platforms (AWS & GCP) and modern DevOps practices (e.g., CI/CD, Infrastructure as Code, Docker).

 Databases: Strong knowledge of SQL/NoSQL databases and data modeling for high-throughput, secure applications.

Preferred Qualifications (Nice to Have)

 Identity & Credentials: Knowledge of decentralized identity principles, Verifiable Credentials (W3C VCs), DIDs, and relevant protocols (e.g., OpenID4VC, DIDComm)

 Familiarity with data privacy and security standards (GDPR, SOC 2, ISO 27001) and designing systems complying to these laws.

 Experience integrating AI/ML models into verification or data extraction workflows

When life gives you lemons and you can code both front and back with equal zest, you’re probably a Full Stack Developer we’d love on our team.

At Lemon Yellow, we’re looking for someone who thrives on building end-to-end web solutions using the MERN stack. From crafting intuitive front-ends to developing efficient, scalable back-end systems, you’ll be involved in shaping digital products from the ground up. If turning design mockups into pixel-perfect, high-performance applications excites you, we’re ready to build with you.

1. Core Responsibilities

• Build and maintain end-to-end web applications using the MERN stack.
• Act as a bridge between design and development to bring ideas to life with clean, scalable code.
• Support digital campaigns through intuitive and functional tech implementations.
• Design, develop, and deploy scalable front-end and back-end components.
• Write clean, maintainable code while collaborating with designers, marketers, and other developers.
• Translate product requirements and UI/UX wireframes into fully functional digital solutions.

2. API & Integration Management

• Implement RESTful APIs and connect third-party tools and services.
• Ensure smooth data exchange across platforms through secure integrations.
• Manage user authentication and authorization using mechanisms like JWT or OAuth.

3. Code Quality & Optimization

• Debug, profile, and optimize applications for performance and reliability.
• Maintain unit and integration test coverage for code robustness.
• Conduct code reviews and help improve internal coding standards.

4. Agile Collaboration

• Actively participate in agile activities: daily stand-ups, sprint planning, retros, and demos.
• Contribute to task estimation and cross-functional problem-solving.
• Stay responsive to project shifts and quick delivery needs.

5. Continuous Learning & Innovation

• Stay up to date with the latest development trends, tools, and practices.
• Share learnings and explore creative solutions for technical challenges.
• Experiment with emerging technologies and suggest process improvements.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Minimum 1 year of hands-on experience building production-ready web applications using MongoDB, Express.js, React.js, and Node.js.
• Strong command of JavaScript (ES6+), HTML5, and CSS3.
• Experience with Git and version control systems
• Familiarity with RESTful API design, JSON, and authentication mechanisms (JWT, OAuth)
• Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization (Docker).
• Basic understanding of CI/CD pipelines and automated testing.
• Strong analytical and problem-solving mindset.
• Detail-oriented with a passion for clean, maintainable code.
• Collaborative attitude with good verbal and written communication skills.

What are we offering?

Experience

• A chance for you to work in a thriving and growing environment. We foster a culture where growth is harmonious and creativity is always appreciated - you grow and you encourage others to do the same.

Exposure

• If you believe in your work, we believe in you. If you think your designs have the power to change the world, we'll help you bring your vision to life and give you the platform to prove it.

Empathy

• We have a carefully curated culture that promotes 2 things: fun & fulfilment. Your welfare - personal, professional, mental, and physical - becomes our responsibility. From Fitness Thursdays to learning sessions, we try to make you laugh & learn.

Who are we?

Lemon Yellow LLP is a user-centered UI/UX design agency, based out of Thane, Maharashtra. With international operations, an experienced mentorship, and a passionate team, we aim to design digital happiness.

How do you reach us?

Well, after you send in your application, it takes us 2-3 weeks to review it. Sometimes, not often, we might delay just a bit beyond that. This happens when our mailbox is flooded with applications.

We promise we won’t ghost you, you’ll definitely hear from us. In the meantime, feel free to explore our official website.

Responsibilities :

● Designing and developing robust and scalable server-side applications using Python, Flask, Django, or other relevant frameworks and technologies.

● Collaborating with other developers, data scientists, and data engineers to design and implement RESTful APIs, web services, and microservices architectures.

● Writing clean, maintainable, and efficient code, and reviewing the code of other team members to ensure consistency and adherence to best practices.

● Participating in code reviews, testing, debugging, and troubleshooting to ensure the quality and reliability of applications.

● Optimizing applications for performance, scalability, and security, and monitoring the production environment to ensure uptime and availability. ● Staying up-to-date with emerging trends and technologies in web development, and evaluating and recommending new tools and frameworks as needed.

● Mentoring and coaching junior developers to ensure they grow and develop their skills and knowledge in line with the needs of the team and the organization.

● Communicating and collaborating effectively with other stakeholders, including product owners, project managers, and other development teams, to ensure projects are delivered on time and to specification.

You are a perfect match, if you have these qualification :

● Strong experience in Python and server-side development frameworks such as Flask or Django.

● Experience in building RESTful APIs, web services, and microservices architectures.

● Experience in using database technologies such as MySQL, PostgreSQL, or MongoDB.

● Familiarity with cloud-based platforms such as AWS, Azure, or Google Cloud Platform.

● Knowledge of software development best practices such as Agile methodologies, Test-Driven Development (TDD), and Continuous Integration/Continuous Deployment (CI/CD).

● Excellent problem-solving and debugging skills, and the ability to work independently as well as part of a team.

● Strong communication and collaboration skills, and the ability to work effectively with other stakeholders in a fast-paced environment

Build the future of 3D virtual and hybrid events with Sarcon. Fast-growing profitable startup working with top brands across the globe.
We are recognized by the Government of Singapore & are a NASSCOM 10K startup. We also have a bunch of prestigious recognitions to our name. Our technology has powered virtual, hybrid and physical events of all sizes, from large international conferences to focused B2B meets in industries ranging from defense, information technology, aerospace to medicine and nanotechnology. The engineering team behind Sarcon consists of patent-holding engineers having worked for the likes of Intel, Qualcomm, Oracle, and L-Brands. We are continually working on adding products and features to our arsenal to make your events world-class.

In this role you would get to work closely not only with a highly smart and dedicated group of technologists but also with the sales and customer success teams as you help deliver the delightful experience customers have started to expect from Sarcon.

The role would be of interest to you if:

1) You want to build a world-class B2B2C product (A product used by businesses and end customers).
2) Are excited by the prospect of building cutting edge, scalable,secure, and intuitive applications.

3) You want to work on a product that is seeing exponential growth in demand and are excited by the challenges of building technology to support this demand

4) You want to work on stuff where the impact of your work will be seen by hundreds of thousands of industry leaders across industries

5) You want to push yourself to your limits and build a world-beater

Bonus-
Experience with Docker
Setting up scalable systems on the cloud 

Key responsibilities:

1. Work on full-stack development with Primary Laravel PHP, JavaScript & Secondary- NodeJS,React

2. Work on building high-performance scalable applications for the global audience

Salary is negotiable for rockstar candidates.

What you need to have:

Technology Development Manager

Location : Bangalore (5 Days WFH)

Education Qualification : B.Tech/M.Tech

(Must have good communication skills)

Skills Required : Java, JEE, Spring Frameworks, REST, Object Oriented Analysis and Design,Microservices Architecture, MySQL, MongoDb, ElasticSearch, Git, Jenkins, Microservices, JSON, Javascript, Node.js, Amazon Web Services or any other cloud 

Experience : 8 to 17 years

Role :

• As a Technology Development Manager, be passionate about technology strategy & vision, hands-on solution design, critical analytical thinking and team management
• Responsible for Peer review, design, deployment, production support & mentoring the team
• Be a self-starter based on your experience and be able to deliver world-class capabilities for one of the fastest growing startups in the Global Digital Identity space
• Ability to thrive in a fast-paced, results-oriented, execution-focused environment while handling the day to day operations and having full control over the business technology organization

• Be energised in the fine balance between managing team and being a technologist
• Be comfortable with ambiguity. As with any startup, this role and the company will evolve and pivot and times will show more unknowns than known.

Requirements:

• 8-15 years of progressive technology experience as an engineer, an architect, project manager, and a team leader in cross functional teams
• Results driven! Demonstrated ability to successfully have brought a product to market
• Experience with full-stack software development including newer front-end frameworks
• Java, JEE, Python, Spring Frameworks, REST, Object Oriented Analysis and Design, Microservices Architecture, MySQL, MongoDb, ElasticSearch, Git, Jenkins, Microservices, JSON, Javascript, Node.js, Amazon Web Services all important

• Experience and knowledge in Machine Learning & Computer Vision a plus
• Hands-on product management and software development life-cycle experience (especially Agile methodologies)

• Experience leading teams in the successful delivery of large technology projects
• Demonstrated ability to make good technology trade-off decisions, i.e. managing technical debt

• Drives the CI/CD strategy for the product
• Served as technical lead throughout the full development lifecycle, end-to-end, from scoping, planning, conception, design, implementation and testing to documentation, delivery and maintenance

Competencies:

• Can identify leading indicators for problems that is likely to surface in the future
• Can identify large problem patterns, systemic issues and opportunities for larger re-architecture and redesign
• Can troubleshoot the entire product ecosystem effectively
• Considered as a Guru in a language, its internals and the application of the language in a wider context
• Defines coding standards and design approaches across the organization
• Can independently design multi systems and systems with complex interactions
• Can design generic platforms for a wider usage across teams
• Accountable for all designs in the team
• Deep knowledge, understanding and experience with working of different architectural styles 
• Responsible and accountable for NFR aspects of the product
• Responsible for Architecture and Tech stack across the team(s)
• Ability to define (in collaboration with cross functions), plan, deliver and operationalize large releases.
• Create formal mentoring plans and identify mentoring needs for a team
• Contribution to open source projects, open standards
• Flag bearer of
• Freedom and responsibility
• First Principles
• Bias for action
• Earn your badge
• Customer Empathy
• Truth seeking

• Design, develop and maintain features, services, products that are part of a company
• Own delivery of said features and services
• Own success of the products by tracking its lifecycle with customers
• Build systems that scale horizontally
• Write automated tests to ensure code quality
• Work with customers to build a product roadmap
• Work with sales & marketing to sell your product to end-users
• Work as an integral part of an agile software development team to build features end-to-end
• Support those features in the company production environment by participating in an on-call rotation

• Bachelor's degree in Computer Science or equivalent work experience
• 3+ years of experience working on teams to develop and deploy web or mobile applications
• Expertise with Javascript and NodeJS; knowledge of frameworks such as React.js is a big plus
• Experience writing and consuming RESTful APIs
• Expertise with data modeling
• Proficiency with git and Github workflows
• Expertise with test-driven development and automated testing
• Proficiency with SQL and NoSQL datastore
• Excellent analytical and problem-solving skills
• Excellent communication skills and fluent English
• Open to learn and work on new technologies