This is for a project that aims to simplify blockchain and cryptocurrency news, concepts, and research/white papers.
Mandatory:
- Significant completed projects under blockchain space for content with expertise in the same
- Apply with portfolio links for us to check or ensure your resumes have samples available
- Please note, this is a freelance opportunity and NOT full-time

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Requirement:
● Role: Fullstack Developer
● Location: Noida (Hybrid)
● Experience: 1-3 years
● Type: Full-Time
Role Description : We’re seeking a Fullstack Developer to join our fast-moving team at Velto. You’ll be responsible for building robust backend services and user-facing features using a modern tech stack. In this role, you’ll also get hands-on exposure to applied AI, contributing to the development of LLM-powered workflows, agentic systems, and custom fi ne-tuning pipelines.
Responsibilities:
● Develop and maintain backend services using Python and FastAPI
● Build interactive frontend components using React
● Work with SQL databases, design schema, and integrate data models with Python
● Integrate and build features on top of LLMs and agent frameworks (e.g., LangChain, OpenAI, HuggingFace)
● Contribute to AI fi ne-tuning pipelines, retrieval-augmented generation (RAG) setups, and contract intelligence workfl ows
● Profi ciency with unit testing libraries like jest, React testing library and pytest.
● Collaborate in agile sprints to deliver high-quality, testable, and scalable code
● Ensure end-to-end performance, security, and reliability of the stack
Required Skills:
● Proficient in Python and experienced with web frameworks like FastAPI
● Strong grasp of JavaScript and React for frontend development
● Solid understanding of SQL and relational database integration with Python
● Exposure to LLMs, vector databases, and AI-based applications (projects, internships, or coursework count)
● Familiar with Git, REST APIs, and modern software development practices
● Bachelor’s degree in Computer Science or equivalent fi eld
Nice to Have:
● Experience working with LangChain, RAG pipelines, or building agentic workfl ows
● Familiarity with containerization (Docker), basic DevOps, or cloud deployment
● Prior project or internship involving AI/ML, NLP, or SaaS products
Why Join Us?
● Work on real-world applications of AI in enterprise SaaS
● Fast-paced, early-stage startup culture with direct ownership
● Learn by doing—no layers, no red tape
● Hybrid work setup and merit-based growth
Prepare layout plan as per details
given in Annexure I
Plot allocation and preparation of
digital database linked to layout
plan.
Zoning plans; temporary vs
permanent establishment, sector
divisions, parking zones etc.
Preparation of concept notes,
presentations, brief reports etc. on
specific aspects related to layout
planning.
Should have a bachelor's in
architecture/planning preferably with
master’s in urban planning/ urban
design.
Should be proficient with CAD/GIS
drawings and should have experience of
undertaking drawings of similar scale in
an urban or event context.
Should have undertaken consultancy/planning projects for
cities/similar events.

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Experience with popular React.js workflows (such as Flux or Redux)
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Experience with data structure libraries (e.g., Immutable.js)
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Experience with standard front-end development tools such as Babel, Webpack, NPM, etc.
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Thorough understanding of React.js and its core principles
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Familiarity with RESTful APIs and backend services
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Familiarity with code versioning tools such as Git, SVN, and Mercurial
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Familiarity with modern front-end build pipelines and tools
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Knowledge of isomorphic React is a plus
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Knowledge of modern authorization mechanisms, such as JSON Web Token
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Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

What We’re Looking For
- 4+ years of backend development experience in scalable web applications.
- Strong expertise in Python, Django ORM, and RESTful API design.
- Familiarity with relational databases like PostgreSQL and MySQL databases
- Comfortable working in a startup environment with multiple priorities.
- Understanding of cloud-native architectures and SaaS models.
- Strong ownership mindset and ability to work with minimal supervision.
- Excellent communication and teamwork skills.
- Present, promote and sell products/services using solid arguments to existing and prospective customersPerform cost-benefit and needs analysis of existing/potential customers to meet their needs Establish, develop and maintain positive business and customer relationshipsReach out to customer leads through cold callingExpedite the resolution of customer problems and complaints to maximize satisfactionAchieve agreed upon sales targets and outcomes within scheduleCoordinate sales effort with team members and other departmentsAnalyze the territory/market’s potential, track sales and status reportsSupply management with reports on customer needs, problems, interests, competitive activities, and potential for new products and services.Keep abreast of best practices and promotional trendsContinuously improve through feedback
Requirements and skills
- Proven work experience as a Sales RepresentativeExcellent knowledge of MS OfficeFamiliarity with BRM and CRM practices along with ability to build productive business professional relationshipsHighly motivated and target driven with a proven track record in salesExcellent selling, negotiation and communication skillsPrioritizing, time management and organizational skillsAbility to create and deliver presentations tailored to the audience needsRelationship management skills and openness to feedbackBachelor’s degree in business or a related field
Support at Exotel is different. The goal is not just to deliver help to our customers, but to deliver happiness. It's not the same questions over and over again, and often involves researching/understanding the business side of how companies use our platform to build their communication applications and help accordingly.
Providing time-sensitive help to meet the customer’s needs during each interaction is of utmost importance.
About us
Exotel is one of Southeast Asia’s largest cloud telephony companies. Our aim is to change the way enterprises look at customer communication. We build the best in class communication products that power the companies of today and tomorrow. Our technology enables customer communication for our clients such as Uber, Ola, Go-Jek, Redbus, Flipkart, Quikr, Practo,Lazada, Redmart, to name a few.
We are a young company with humble beginnings in 2011 that grew from a 3 member team to 150+ employees in 2018. Our technology has connected 85 million people, powered 1.2 billion customer calls, powered 3.2 billion voice API calls, 3.2 billion business SMS powered. Read our 2018 growth story https://2018.exotel.com/">here.
About the Role
Customer Happiness is one of our key differentiators. In this role you will be the customer champion for Exotel, thrive to create great customer experience while responding to customer inquiries, resolving their queries and ensure all the agreed SLA’s are met consistently. In this role, you will be working with internal and external stakeholders with high level of ownership on your deliverables with customer first approach.
What we are looking for?
- You're empathetic to customers and can easily put yourself in their shoes. You listen and understand well. You’re smart and know that not everyone comes with the same skill sets and help people whether they are technically inclined or not. Your job is to make the customer feel empowered and happy after each interaction.
- You love solving problems and have the ability to provide solutions to technical problems that customers face. You never give up when you don't know the answer right away.
- You have dual qualities of time management, patience and ability to speak to customers with confidence and conviction.
- You write well. You know exactly what word or punctuation to use based on the context.
- As we are an API driven company, you either know how applications are built using APIs or have a keen interest to learn.
Why should you join us?
- You want to be an enabler for business success with an appetite for steep learning.
- You enjoy mentoring and coaching teams, take pride in teams success.
- You enjoy solving problems and thrive for excellence
What will you do?
- You’ll be our Product Champ in all areas. Providing solutions to different problems of clients by taking help of different internal tools, coordinating with Tech Support (this is one team with whom you’ll be working the most), Network operations, Customer Success, Product and Finance teams.
- You'll work one-on-one with customers, helping them to get the most out of Exotel. You might wing unplanned Skype calls and live screen-shares apart from answering phone calls and responding to emails.
- Ensure that all the related notes/ call comments are properly documented and suitable information is provided to clients.
- Maintain our https://support.exotel.in/support/home" target="_blank">knowledge base site. Write, edit and help create content whenever necessary.
- We work 24*7, considering we now are expanding geographically. We expect you to be comfortable working in rotational shifts (you’ll be working from home during nights and over weekends, though)

- Ability to attract and hire top-notch Engineering talent for the organisation.
- Be responsible for the group's technical strategy and roadmap - creating success metrics in close collaboration with other groups across the organisation in executing initiatives in an agile way.
- Brings a strong perspective that drives change and motivates engineers to develop simple solutions to complex problems.
- Help implement effective engineering processes and champion their adoption.
- Has the technical capacity and capability to partner with tech leads and architects in problem solving.
- Mentor the professional development of each direct report through personal and performance management.
- Give engineers the tools, confidence, and motivation to make decisions independently that lead to their recognition.
- Effective at influencing a culture of engineering craftsmanship and excellence.
- Initiate cross-functional (Product, Business, Operations) collaborations with development teams throughout Razorpay and gather feedback and requirements.
- Seek diverse perspectives to drive bottom-up innovation and create buy-in from all technical stakeholders.
- Ensure the team fully understands the goals and objectives of Razorpay as a company and how their work fits into 'the bigger picture.
Mandatory Qualifications:
- Total of 8+ years' experience.
- Experience level of 5+ years of experience in very large-scale applications and 3+ years' experience in people management.
- Strong problem solving skills, data structures and algorithms.
- Experience with distributed systems handling large amounts of data.
- Excellent coding skills in one of the languages PHP/Python/C++/Java.
- Very good understanding of Web Technologies.
- Very good understanding of any RDBMS and/or messaging.


- 5 years experience with the Django framework
- Experience with building APIs (REST or GraphQL)
- Strong Troubleshooting and debugging skills
- React.js knowledge would be an added bonus
- Understanding on how to use a database like Postgres (prefered choice), SQLite, MongoDB, MySQL.
- Sound knowledge of object-oriented design and analysis.
- A strong passion for writing simple, clean and efficient code.
- Proficient understanding of code versioning tools Git.
Experience:
- Min 5 year experience
- Startup experience is a must.
Location:
- Remote developer
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period.
- Bachelor’s degree in computer science, engineering, or a related field.
- At-least more than 1+ Years of Experience in a similar role would be desired.
- Excellent technical, diagnostic, and troubleshooting skills.
- Strong leadership skills to drive good coding and design practices across multiple engineering teams
- Willingness to build professional relationships with staff and clients.
- Excellent communication, motivational, and interpersonal skills.
- Expertise in architecting, building, and maintaining ultra-low latency, cost-efficient systems in cloud environments
- Excellent track record in modernizing cloud-based applications using micro services, containers, and other architectures
- Experience and working knowledge in building large-scale, data-intensive Text search applications using Solr / Elastic Search is a Must
- Experience and working knowledge of AI/ML/ML Ops with respect to building large-scale, data-intensive applications would be a Plus
- Experience and working knowledge in building Java based Spring Boot micro-services integrated with any messaging framework
- Driven, Highly-motivated and passionate towards development & innovation
- Determining project requirements and developing work schedules for the team.
- Delegating tasks and achieving daily, weekly, and monthly goals.
- Liaising with team members, management, and clients to ensure projects are completed to standard.
- Identifying risks and forming contingency plans as soon as possible.
- Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
- Keeping up-to-date with industry trends and developments.
- Updating work schedules and performing troubleshooting as required.
- Motivating staff and creating a space where they can ask questions and voice their concerns.
- Being transparent with the team about challenges, failures, and successes.
- Writing progress reports and delivering presentations to the relevant stakeholders.
- Extremely hands-on in delivering Development and R&D tasks
- Design, plan and perform dev-analysis to determine effort estimates on every sprint for the team
- Running Demo's, ensuring thorough documentation of the features built
- Identify & Plan upgrades to technologies & frameworks from time-to-time


