Senior Software Engineer (FullStack)
Synup is a marketing platform for local businesses.
Ever tried to find the best Sushi restaurant in town?
- We help businesses like that be found online by helping them manage their online profiles across different platforms like Google, Facebook, Apple Maps, Yelp, etc.
- We build tools for them to interact with customers better by notifying them of latest reviews, helping them respond appropriately or collect feedback.
- We provide them with analytics reports that these businesses would not have otherwise had access to.
Our customers include businesses both small like a Sushi restaurant or large like your most trusted bank.
About your role as our new Senior Software Engineer (FullStack)
As an experienced engineer we know that you have built software to solve various business problems at your previous workplaces. You may have also explored technologies on your own for your learning or hobby projects.
- You will be building APIs for the Synup platform and also UI to make our platform capabilities available to our customers.
- You and the team that you are a part of will be collectively responsible building performant software and customer experiences that scale to our next million customers.
- You will be responsible for writing technical specs and contributing to it's implementation. We expect that you would have done the same in your previous workplaces.
- Other folks on our team are looking forward to learn from your experiences.
For engineers that join our team
- We expect you to be good with Ruby or Python to build APIs.
- You will be contributing to our UI that is built with React and GraphQL.
- We hope our team members have a strong grasp of software design patterns and know when to put them to good use.
- Experience with an SQL datastore would help a lot. PostgreSQL is our primary datastore.
- We optimize our search functionality and rollup reports by using ElasticSearch.
- We expect that you have used Redis. Redis is our swiss army knife to solve a lot of problems apart from just caching.

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We are inviting a Fullstack Developer who excels at building modern web and mobile applications, with deep backend experience in Node.js and strong frontend proficiency in Next.js and React Native (Expo). You’ll work with a team of designers, product leads, and developers to bring impactful climate tech to life.
Location: Mumbai & Vicinity (India)
Responsibilities:
- Design, develop, and maintain scalable backend services using Node.js.
- Develop responsive and high-performance web applications using Next.js.
- Build and deploy mobile applications using React Native and Expo.
- Collaborate with UX Designers, Architects, and other Developers to implement full-stack web and mobile solutions.
- Perform data modeling and database management using PostgreSQL and Prisma.
- Ensure the performance, quality, and responsiveness of applications.
- Troubleshoot and debug applications to optimize performance.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and contribute to continuous improvement of development processes.
- Apply AI-enhanced developer tools like Cursor, Copilot, or similar to boost development velocity and code quality.
Required Skills and Experience:
- 2+ years of experience in full-stack JavaScript development.
- Strong proficiency in backend development using Node.js.
- Demonstrated experience with frontend technologies such as Next.js and React Native.
- Experience with PostgreSQL and Prisma for database management and data modeling.
- Experience with deploying React Native applications using Expo.
- Solid understanding of RESTful APIs and how to integrate them with front-end applications.
- Familiarity with modern JavaScript (ES6+), HTML5, and CSS3.
- Strong understanding of software development best practices.
- Proficiency in version control systems such as Git.
Additional Relevant Skills and Experience:
- Experience with map modules, such as ArcGIS, and Google Earth Engine.
- Experience with TypeScript.
- Experience with CI/CD pipelines.
- Understanding of server-side rendering and static site generation.
- Good eye for design and UX principles.
- Experience working in Agile/Scrum environments.
Good to Have:
- Experience with WebSockets and real-time applications.
- Familiarity with cloud platforms such as AWS or Azure.
- Experience with Docker and containerized applications.
- Knowledge of performance optimization techniques.
- Strong problem-solving skills and ability to work independently or as part of a team.
We Offer:
- Work on Open Source Projects
- Competitive Salary based on Location
- Flexible working hours
- 4 weeks of paid leave/year
- Work from home
Plant-for-the-Planet is a global, youth-led non-profit with a mission to restore ecosystems through tree planting and climate justice advocacy. Our tech team, spanning five continents, builds scalable, open-source tools to support environmental action at a global scale.
Learn more: https://www.plant-for-the-planet.org
KEY RESPONSIBILITIES
- Building a website based on the given requirements and ensure it’s successfully deployed
- Responsible for designing, planning, and testing new web pages and site features
- A propensity for brainstorming and coming up with solutions to open-ended problems
- Work closely with other teams, and project managers, to understand all stakeholders’ requirements and ensure that all specifications and requirements are met in final development
- Troubleshoot and solve problems related to website functionality
- Takes ownership of initiatives and drives them to completion.
- Desire to learn and dive deep into new technologies on the job, especially around modern data storage and streaming open source systems
- Responsible for creating, optimizing, and managing REST APIs
- Create website content and enhance website usability and visibility
- Ensure cross-browser compatibility and testing for mobile responsiveness
- Ability to integrate payment processing and search functionality software solutions
- Stay up-to-date with technological advancements and the latest coding practices
- Collaborate with the team of designers, content managers, and developers to determine site goals, functionality, and layout
- Monitor website traffic and overall system’s health with Google analytics to ensure high GTmetrix score
- Build the front-end of applications through appealing visual design
- Design client-side and server-side architecture
- Develop server-side logic and APIs that integrate with front-end applications.
- Architect and design complex database structures and data models.
- Develop and implement backend systems to support scalable and high-performance web applications.
- Create automated tests to ensure system stability and performance.
- Ensure security and data privacy measures are maintained throughout the development process.
- Maintain an up-to-date changelog for all new, updated, and fixed changes.
- Ability to document and manage all the software design, requirements, reusable & transferable code, and other technical aspects of the project.
- Create and convert storyboards and wireframes into high-quality full-stack code
- Write, execute, and maintain clean, reusable, and scalable code
- Design and implement low-latency, high-availability, and performant applications
- Implement security and data protection
- Ensure code that is platform and device-agnostic
EDUCATION & SKILLS REQUIREMENT
- B.Tech. / BE / MS degree in Computer Science or Information Technology
- Expertise in MERN stack (MongoDB, Express.js, React.js, Node.js)
- Should have prior working experience of at least 3 years as web developer or full stack developer
- Should have done projects in e-commerce or have preferably worked with companies operating in e-commerce
- Should have expert-level knowledge in implementing frontend technologies
- Should have worked in creating backend and have deep understanding of frameworks
- Experience in the complete product development life cycle
- Hands-on experience with JavaScript, HTML, CSS, JQuery, JSON, PHP, XML
- Proficiency in databases, including analytical (e.g., mySQL, MongoDB, PostgreSQL, DynamoDB, Redis, Hive, Elastic etc.)
- Knowledge of architecting or implementing search APIs
- Great understanding of data modeling and RESTful APIs
- Strong knowledge of CS fundamentals, data structures, algorithms, and design patterns
- Strong analytical, consultative, and communication skills
- Excellent understanding of Microsoft office tools : excel, word, powerpoint etc.
- Excellent organizational and time management skills
- Experience with responsive and adaptive design (Web, Mobile & App)
- Should be a self starter and have ability to work without being supervised
- Excellent debugging and optimization skills
- Experience building high throughput/low latency systems.
- Knowledge of big data systems such as Cassandra, Elastic, Kafka, Kubernetes, and Docker
- Should be willing to be a part of a small team and working in fast-paced environment
- Should be highly passionate about building products that create a significant impact.
- Should have experience in user experience design, website optimization techniques and different PIM tools
About Apexon:
Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. For over 17 years, Apexon has been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving our clients’ toughest technology problems, and a commitment to continuous improvement. We focus on three broad areas of digital services: User Experience (UI/UX, Commerce); Engineering (QE/Automation, Cloud, Product/Platform); and Data (Foundation, Analytics, and AI/ML), and have deep expertise in BFSI, healthcare, and life sciences.
Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.
To know more about us please visit: https://www.apexon.com/
About the role:
- Experience: 7+ years of experience building modern web applications working in the fullstack
- Proficiency in TypeScript and JavaScript with a thorough understanding of React.js or Vue.js and their core principles preferred
- Implementing RESTful APIs using .Net/C# preferred with experience with .Net Core, .Net 5 or 6 a bonus!
- Experience with SQL and relational database design with MS SQL Server experience is added advantage
- Experience with NoSQL/document database technologies
- Experience writing automated unit tests in the full stack environment
- Knowledge of modern authentication and authorization mechanisms
- Familiarity with modern front-end and backend build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Experience with modern responsive web application design & development Familiarity with Node.js
- Experience with microservice architecture
- Experience using Git version control
- Experience with VS Code, Visual Studio, or other relevant development tools
- Familiarity with Scrum/Agile principles
- Strong communication skills
- Ability to understand business requirements and translate them into technical requirements.
Required skill set:
- Candidate must be good in JavaScript and have experience in at least one modern JavaScript framework such as Vue/Angular/React. But must be willing to work in Vue/React.
- Must have experience in .NET Framework. Good to have experience in .NET Core/.NET 5/6/7. But must be willing and capable enough to learn .NET Core.
- Should be able to work independently with minimum supervision.
- Must be good in programming concepts such as OOPS, Unit Tests, Web API, SQL, etc
Yojito is looking for motivated self-driven full stack engineer who can lead internal modules on his own. This role is for founding team member so deserving candidate will have lot of opportunities to grow into bigger roles and carry bigger responsibilities.
Aptitude Desired
- Self Driven, Open to learning on the job
- Comfortable in fast moving environment, ready to break and fix things quickly
- Focus on getting shit done
Experience Required
- At least 1 year of Professional experience
- Must have worked and delivered application which is running in production
- Experience in Managing production application
Skills Required
- Core Java
- Javascript - Sound knowledge of Javascript Eco-system
- ReactJS
- PostgreSQL and Basic Database Administration
- AWS Cloud - EC2, Lambda, Cognito
- Basic Shell Scripting and OS Administration
Senior Software Engineers are responsible for the design and development of the suite of cloud-based software products utilizing cutting-edge tools and technologies.
What You Will Be Doing:
Work on Internet scale applications, where performance, reliability, and scalability, are critical design goals – not after-thoughts.
Learn the nuts and bolts of Microservices Architecture and build robust RESTful APIs.
Create beautiful, interactive, and easy-to-use web applications using modern client-side frameworks and libraries.
Gain experience with different database technologies, ranging from traditional relational to the latest NoSQL products such as Couchbase and Elastic Search.
AWS for infrastructure, deploying services with ECS and Lambda
What You Will Need for this Position
The prerequisites for joining our development team are simple. We care more about your attitude and aptitude than the specific tools and technologies you have used in the past. You need to have a strong passion for software development and must take pride in your coding. You should also have great analytical skills and ability to handle complex, modular software development in a collaborative team-based environment.
5+ years of overall development experience, which ideally includes working with an object-oriented language (Java)
Experience with using and implementing RESTful APIs.
Experience with one or more of the following databases: traditional relational database as well as document/NoSQL storage.
Experience with JavaScript, React/Angular/Vue and Node.js. We will also welcome proven engineering leaders who are eager to immerse themselves in mastering Typescript/JavaScript and our tech stack
BS, MS or PhD in Computer Science OR related technical discipline.
Big plus if prior experience with video processing, streaming and video-related cloud services such as AWS Elemental & Amazon IVS
Salary :- No bar for deserving candidates
Apptroit is a leading Mobile App & Web Solution Development Company in the USA, UK, UAE and India and serving its clients across the globe. Also having proficient and dedicated Android app developers, iOS App developers, designers and digital marketing experts with a reputation for getting things done. We are well-versed in a variety of operating systems, networks, and databases. We work with just about any technology that a small business would encounter. We use this expertise to help customers with small to mid-sized projects.
Roles & Responsibilities:
- As one of the earliest employees, there will be a lot on your plate. All the time!
- You'll build new product features from start to finish: through conception, research, maintenance, and polish. Think features to improve our collaborative student learning platforms, such as new collaborative learning activities for teaching coding and other subjects.
- You'll build improvements to performance, reliability, and product polish — for example, improving the efficiency and performance of our replicated state systems.
- You'll build and improve processes and internal tools with simplicity and productivity in mind — such as, a tool to sync updates between Zoho, slack etc.
This might be for you if...
- You have knowledge of ReactJS and any backend technology along with that
- You have been professionally coding for at least 3 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.
If you believe in “ First, solve the problem. Then, write the code. ”, we are looking for you.
- Atleast 4 - 6 years of experience working Ruby on Rails.
- Ability to manage a team.
- Very good at Analysis and Design.
- Passion to write good quality code.
- Able to work in a fast paced environment.
- Able to manage multiple tasks with changing priorities in a cross-functional environment
- Team player
- Ability to balance competing priorities.
- Excellent communication skills.
BoTree Technologies was incorporated in 2012 and since then we have constantly worked towards building a place to work which provides each member an opportunity to challenge herself and grow on a day to day basis.










