Mern Stack Developer

Job Summary

We are looking for a Java and React developer with 2–5 years of experience in designing, developing, and maintaining scalable web applications using Java, Spring Boot, and React.js. The ideal candidate should have strong backend development skills along with hands-on experience building modern, responsive frontend applications.

Key Responsibilities

ey Responsibilities

• Design, develop, and maintain scalable web applications using Java and Spring Boot.
• Develop responsive user interfaces using React and TypeScript.

Required Skills

• Strong experience in Java
• Hands-on experience with Spring Boot
• Good knowledge of React.js
• Experience with TypeScript

Good to Have

• Experience with Next.js.
• Knowledge of Kafka or RabbitMQ.
• Exposure to Kubernetes.
• Experience working in Agile/Scrum teams.

About Us

We are building the next generation of AI-powered products and platforms that redefine how businesses digitize, automate, and scale. Our flagship solutions span eCommerce, financial services, and enterprise automation, with an emerging focus on commercializing cutting-edge AI services across Grok, OpenAI, and the Azure Cloud ecosystem.

Role Overview

We are seeking a highly skilled Full-Stack Developer with a strong foundation in e-commerce product development and deep expertise in backend engineering using Python. The ideal candidate is passionate about designing scalable systems, has hands-on experience with cloud-native architectures, and is eager to drive the commercialization of AI-driven services and platforms.

Key Responsibilities

• Design, build, and scale full-stack applications with a strong emphasis on backend services (Python, Django/FastAPI/Flask).
• Lead development of eCommerce features including product catalogs, payments, order management, and personalized customer experiences.
• Integrate and operationalize AI services across Grok, OpenAI APIs, and Azure AI services to deliver intelligent workflows and user experiences.
• Build and maintain secure, scalable APIs and data pipelines for real-time analytics and automation.
• Collaborate with product, design, and AI research teams to bring experimental features into production.
• Ensure systems are cloud-ready (Azure preferred) with CI/CD, containerization (Docker/Kubernetes), and strong monitoring practices.
• Contribute to frontend development (React, Angular, or Vue) to deliver seamless, responsive, and intuitive user experiences.
• Champion best practices in coding, testing, DevOps, and Responsible AI integration.

Required Skills & Experience

• 5+ years of professional full-stack development experience.
• Proven track record in eCommerce product development (payments, cart, checkout, multi-tenant stores).
• Strong backend expertise in Python (Django, FastAPI, Flask).
• Experience with cloud services (Azure preferred; AWS/GCP is a plus).
• Hands-on with AI/ML integration using APIs like OpenAI, Grok, Azure Cognitive Services.
• Solid understanding of databases (SQL & NoSQL), caching, and API design.
• Familiarity with frontend frameworks such as React, Angular, or Vue.
• Experience with DevOps practices: GitHub/GitLab, CI/CD, Docker, Kubernetes.
• Strong problem-solving skills, adaptability, and a product-first mindset.

Nice to Have

• Knowledge of vector databases, RAG pipelines, and LLM fine-tuning.
• Experience in scalable SaaS architectures and subscription platforms.
• Familiarity with C2PA, identity security, or compliance-driven development.

What We Offer

• Opportunity to shape the commercialization of AI-driven products in fast-growing markets.
• A high-impact role with autonomy and visibility.
• Competitive compensation, equity opportunities, and growth into leadership roles.
• Collaborative environment working with seasoned entrepreneurs, AI researchers, and cloud architects.

Founding Engineer - LITMAS

About LITMAS

LITMAS is revolutionizing litigation with the first AI-powered platform built specifically for elite litigators. We're transforming how attorneys research, strategize, draft, and win cases by combining comprehensive case repositories with cutting-edge AI validation and workflow automation. We are a team incubated by experienced litigators, building the future of legal technology.

The Opportunity

We're seeking a Founding Engineer to join our core team and shape the technical foundation of LITMAS. This is a rare opportunity to build a category-defining product from the ground up, working directly with the founders to create technology that will transform the US litigation market.

As a founding engineer, you'll have significant ownership over our technical architecture, product decisions, and company culture. Your code will directly impact how thousands of attorneys practice law.

What You'll Do

• Architect and build core platform features using Python, Node.js, Next.js, React, and MongoDB
• Design and implement production-grade LLM systems with advanced tool usage, RAG pipelines, and agent architectures
• Build AI workflows that combine multiple tools for legal research, validation, and document analysis
• Create scalable RAG infrastructure to handle thousands of legal documents with high accuracy
• Implement AI tool chains to provide agents tool inputs
• Design intuitive interfaces that make complex legal workflows simple and powerful
• Own end-to-end features from conception through deployment and iteration
• Establish engineering best practices for AI systems including evaluation, monitoring, and safety
• Collaborate directly with founders on product strategy and technical roadmap

The Ideal Candidate

You're not just an AI engineer, you're someone who understands how to build reliable, production-grade AI systems that users can trust. You've wrestled with RAG accuracy, tool reliability, and LLM hallucinations in production. You know the difference between a demo and a system that handles real-world complexity. You're excited about applying AI to transform how legal professional’s work.

What We're Looking For

Must-Haves

• Deployed production-grade LLM applications with demonstrable experience in:
• Tool usage and function calling
• RAG (Retrieval-Augmented Generation) implementation at scale
• Agent architectures and multi-step reasoning
• Prompt engineering and optimization
• Knowledge of multiple LLM providers (OpenAI, Anthropic, Cohere, open-source models)
• Background in building AI evaluation and monitoring systems
• Experience with document processing and OCR technologies
• 3+ years of production experience with Node.js, Python, Next.js, and React
• Strong MongoDB expertise including schema design and optimization
• Experience with vector databases (Pinecone, Weaviate, Qdrant, or similar)
• Full-stack mindset with ability to own features from database to UI
• Track record of shipping complex web applications at scale
• Deep understanding of LLM limitations, hallucination prevention, and validation techniques

Tech Stack

• Backend: Node.js, Express, MongoDB
• Frontend: Next.js, React, TypeScript, Modern CSS
• AI/ML: LangChain/LlamaIndex, OpenAI/Anthropic APIs, vector databases, custom AI tools
• Additional: Document processing, search infrastructure, real-time collaboration

What We Offer

• Significant equity stake true ownership in the company you're building
• Competitive compensation commensurate with experience
• Direct impact your decisions shape the product and company
• Learning opportunity work with cutting-edge AI and legal technology
• Flexible work remote-first with a global team
• AI resources access to latest models and compute resources

Interview Process

One more thing: Our process includes deep technical interviews and fit conversations. As part of the evaluation, there will be an extensive take-home test that should expect to take at least 4-5 hours depending on your skill level. This allows us to see how you approach real problems similar to what you'll encounter at LITMAS.

What are we?

Llama is a purpose driven startup.

We help people build the inner skills that are critical to have for wellbeing and high performance today!

A unique mindfulness-based behaviour change platform for mental health through workplace wellbeing.

We are building a hybrid learning platform to cater to a broad spectrum of well-being needs by introducing contemplative wisdom practices into the workplace.

All Llamas have some terrific abilities! You will have…

• 1 - 2+ years of experience in full stack development.
• Strong understanding of HTML, CSS, JavaScript.
• Comfortable in working with WordPress, React/Vue, Python, and PHP.
• Worked with multiple of the UI libraries.
• Understanding of version control systems.
• Comfortable in switching different technologies both in front end and back end.
• Good understanding with different types of databases.
• Knows the best practices of the technology, worked on.
• Experienced in using Figma, canva or similar designing tools

All Llamas also have some terrific response-abilities!

For starters you will…

• Develop the current wordpress website.
• Develop the current product ecosystem.
• Co develop AI tools and different integrations for multiple platforms.
• Explore possible technologies to integrate in Llama’s Tech ecosystem.
• Contributes to the open source projects that we use in any form.
• Document the project as you build.
• Utilize Project management tools
• Create training resources for future team members

Client:- E&Y

Role:- Permanent

Experience in full cycle implementation of software development projects using .NET 4.0 and above, C#, ADO.NET, ASP.NET, MVC.

Experience in developing Web API and RESTful web services.

Experienced with client-side programming HTML, CSS, AJAX

Experience with Javascript frameworks like AngularJS, BackboneJS, jQuery, jQuery Mobile.

Programming skills on SQL Server with strong database design.

Good experience with design patterns, object-oriented design and programming.

Must have good analytical, debugging and problem-solving skills.

Good communication skills.

What You Need for this Position:

5+ yrs. of experience in .NET 4.0 and above, ASP.NET, MVC.

5+ yrs. of experience in jQuery and Javascript.

5+ yrs. of experience in CSS.

5+ yrs. of experience in LINQ and entity framework.

Required Candidate profile

Strong analysis, design, programming and testing skills

Excellent Coding Skills

Ability to learn new Technologies

Must be a self-starter who requires minimal supervision.

Good communication skills, experienced in direct client interaction

Should be capable of executing projects independently

Should be creative, quick learner and hard working

Linkby is a global VC funded software company founded by one of Australia’s top digital publishing entrepreneurs. Our software helps D2C e-commerce brands and publishers work together more effectively and profitably than ever before. We’re currently building our engineering team globally to support our rapid growth. We have a remote-first culture while also having office hubs in Toronto, London & Sydney.

We are looking for a seasoned full-stack engineer to join our team to help build out and manage our entire web infrastructure. You will work as part of a team to develop fast, well-tested, and performant code across various web projects in the adtech vertical.

As a Full Stack Developer, you should be comfortable around both front-end and back-end development (predominantly in Javascript), development frameworks and third-party libraries. You will be responsible for the full software development life cycle, from conception to deployment.

Responsibilities

Design and deployment of database and backend storage systems (eg. relational database, key-value/blob stores) Design and implementation of low-latency, high-availability, and performant applications Design and construction of REST APIs Integrating front-end UI with the constructed APIs “Pixel-perfect” implementation of approved UI and designs Building reusable components and front-end libraries for future use Design and implementation of continuous integration and deployment Test software to ensure responsiveness and efficiency Implementation of security and data protection Integration with third-party services and software

Required Skills & Experience

At least three years’ experience with: Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum) Back-end development with Node.js Front-end development with Vue.js Database design and management with PostgreSQL Highly proficient with the JavaScript language and its modern ES6+ syntax and features Understanding the nature of asynchronous programming and its quirks and workarounds Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM Experience with development & deployment using containerisation technology (eg. Docker) Experience with cloud infrastrastructure management & deployment on AWS (eg. ECS, Lambda, SQS, SNS, Kinesis) Familiarity with automated JavaScript testing, specifically testing frameworks (eg. Jest or Mocha) Familiarity with CSS preprocessors, bundlers, and associated languages/syntaxes/libraries (eg. Sass, Less, Webpack) Proficient understanding of code versioning tools (eg. Git) Ability to understand business requirements and translate them into technical requirements Open-mindedness and ability to learn new programming languages & tools to best serve the project at hand Appreciation for clean and well documented code Excellent verbal & written communication skills

Preferred Skills & Experience

Experience with React.js & TypeScript will be highly regarded Knowledge of other backend languages such as Golang, Rust, OpenResty Experience with adtech/martech technology Experience with Machine Learning/AI/Data Science Experience working with large scale/high traffic applications Experience with other cloud infrastructure providers (eg. Google Cloud, Azure) We offer flexibility and a strong team culture with additional leave and health benefits for your location. We can't wait to see your application

What you need to have:

As a senior full-stack developer, you will contribute to our end-to-end supply chain platform. You'll work with all key stakeholders to deliver scalable, maintainable code and deliver amazing user experiences. We are building a design and process-centric culture where you'll play a key role in the implementation of the foundation of all our systems. Up for a challenge?

You are:

• A self-starter with a sense of what it takes to be successful as a team
• An agile - welcome change, do as little as possible and embrace continuous delivery
• Conscious about how quality is carried through from the UI to all layers underneath
• Passionate about design as a foundation of great user experience
• Opinionated, but flexible to accommodate the big picture

• Analyze requirements, provide estimates and deliver code in an agile setup
• Stay on top of all owned work and raise red flags as early as possible
• Define the architecture, best practices, and coding standards for a full-stack development
• Support continuous technical improvement by investigating alternatives and technologies and present them for architectural review 
• Motivate team members, coach junior members, and extend goodwill to other employees

Must have

• Prior startup experience, preferably with war stories to share
• 3-5 years of software industry experience
• Solid understanding of software design, development, testing, and problem-solving 
• Expertise in coding efficient, high quality, and modularized software 
• Expertise in React.js and related ecosystem
• Experience with GraphQL and other modern JS ecosystems
• Expertise in common design patterns and anti-patterns Javascript
• Experience with service-oriented architecture and microservices
• Expertise in relational and non-relational databases and expertise in at least one database system
• Experience with planning, execution, and maintenance of test infrastructure for backend workflows
• Knowledge of AWS
• Knowledge of Unix shell and source control systems and tools such as git 
• Strong technical leadership skills
• Strong communication skills
• Technical mentoring skills

Great to have

• Experience with CI/CD and setting up a monitoring infrastructure
• Experience with Flutter
• Interest in blockchain and computer vision-related ML systems
• Experience working on high traffic systems
• Bachelor’s degree in Computer Science or a related discipline