Full Stack Developer – Golang

Job Title : Flutter Dart Developer (Backend Heavy - Node.js)

Experience Required : 5+ Years

Location : Bellandur & Manthali, Bangalore – Onsite Only

Type : Contractual

About the Role :

We are looking for an experienced Flutter Dart Developer with a backend-heavy architecture (Node.js) to join our team on a contractual basis.

This role goes beyond basic UI development — we need someone who understands the complexities of security, caching, APIs, SQL, server-side rendering, performance tuning, and scalable backend architecture.

Mandatory Skills : Flutter, Dart, Backend-heavy architecture (Nodejs), RESTful APIs, SQL, Caching, Firebase, State Management (Bloc/Provider/Riverpod), Performance Tuning, Git, Mobile Deployment (iOS & Android), Agile

Key Responsibilities :

• Develop high-performance cross-platform apps using Flutter & Dart.
• Translate complex UI/UX into responsive mobile experiences.
• Collaborate with product, design, and backend (Node.js) teams to deliver scalable features.
• Implement caching, security, SQL, and performance optimization strategies.
• Integrate RESTful APIs, Firebase, and third-party libraries.
• Conduct code reviews and support junior developers.
• Stay updated on emerging mobile/backend technologies.

Required Skills & Qualifications :

• 5+ Years in Mobile Development, 3+ Years with Flutter & Dart.
• Strong knowledge of state management (Bloc, Provider, Riverpod).
• Hands-on experience in Node.js for backend development.
• Expertise in API design, SQL, caching, offline storage, security, and performance tuning.
• Experience with Firebase, push notifications, and app deployment on iOS & Android.
• Familiarity with native mobile development (Kotlin/Java or Swift/Obj-C) is a plus.
• Proficient in Git and Agile methodologies with excellent problem-solving skills.

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

• frames and using Agile methodology.
• Basic Azure server administration - Provide technical help during testing, development, and production.
• Discover, evaluate, and implement new technologies to maximize development efficiency - Design and implement complex, optimized algorithms with minimum time and space complexities

Requirements.

• Experience in .Net web development - Experience with C#, Angular Js, Angular2, SQL.

• Sound understanding of MVC design Pattern 

• Strong knowledge/understanding of OOPS concepts

• Experience with tools like Visual Studio, SQL Server, Git

• Good analytical and logical skills.

• Good written and verbal communication skills

• Passion for new technologies and innovations.

• Ability to grasp new concepts quickly.

• Takes initiative to uncover/develop solutions to potential problems

•  Ability to take on new projects and easily transition between tasks

• Team player who is receptive to coaching and adaptive to change

• Desire to excel and grow each day

• Strong knowledge of Web APIs, Typescript, ES6, ngrx

Nice to Have 

• Experience with of LESS, SASS, GULP and GRUNT. 

• Knowledge of VueJS

• .Net Framework and/or .Net Core
• Angular 2+, preferable Angular 10
• Experience with tools like Visual Studio, SQL Server, Git
• Material framework
• SASS
• Good technical aptitude
• Restful APIs
• Data structures and Algorithms
• Azure experience including Azure functions etc.
• Azure Devops

As a Senior Technical lead you will be a member of a software development team building innovative new features for the application. Lead the team as Senior Full Stack developer

Primary Job Responsibilities:

• Inherit a well-architected, clean, and robust codebase built with .NET Core 5.x, and JavaScript and Angular
• Evaluate and implement new libraries and components
• Ensure best practices are followed in the design and development of the application Contribute to and help manage our open-source libraries
• Strong knowledge of C# and .NET Core, JavaScript, Angular
• NoSQL databases (MongoDB)Real-time web applications (Web Sockets / SignalR)
• Containerization technologies (Docker, Kubernetes) Swagger /OpenAPI Initiative
• Strong knowledge of design patterns and practices
• Experience in non-Microsoft tech stacks as Node, Python, Angular and others are also crucial components of Source Control - GitHub Unit / Performance / Load Testing
• Experience with Continuous Integration - Jenkins/Travis/Circle/etc.
• Experience working in Agile Environments - JIRA/Slack
• Working knowledge of SAAS Architecture and Deployments - AWS/Google Cloud/etc.

About the Company-

About the Internship:

selected intern's day-to-day responsibilities include:

1. Develop server-side/client-side applications.

2. Basic knowledge of Data structures.

3. Test and document the developed code.
4. Must have basic knowledge of any one of the following technologies -

     PHP, Javascript, Golang, Dart.

Note - Only those candidates can apply who:

1. are available for full-time (in-office) internship

2. can start the internship between 1st Aug'22 and 15th Aug'22

Looking for someone who can take care of all the server-related works, their security, can handle code versions through GitHub, handle the server logs, loads with automated tools.

Hassle-free deploying the code on servers with automated scripts. Should have provision to manage the server downtime efficiently during deployment time on production environment.  Only privileged candidates can access the code and servers with a restricted IP address.

1. Responsibilities

• Serve as a point of cross-functional contact and expertise, providing support to development and QA teams for the build and release process in all environments.
• Provide emergency support for critical issues, research possible cause, and provide solutions.
• Aid DevOps team in the maintenance of existing automated deployment operations as well as the advancement of desired state automated CI-CD Pipelines
• Documents build and deployment process for assigned product and/or tools
• Aid Infrastructure team in the implementation of new resources used by the development, test, and production environments.
• Maintain awareness of best-in-class tools, languages, and practices related to development operations.
• Provides instructions to Infrastructure, Development and Test teams to aid in product development life cycle.

• Participate in discussions regarding new product development and product enhancements.
• 2. Requirements

• Experience working on Linux based infrastructure
• Configuration and managing databases such as MySQL, MongoDB
• Excellent troubleshooting
• Working knowledge of various tools, open-source technologies, and cloud services
• Awareness of critical concepts in DevOps and Agile principles
• Great Experience with public cloud platforms such as AWS, Google Cloud Platform (GCP), or Microsoft Azure.
• Must have implementation experience with TLS/SSL, public private key cryptography, how certificates work, and mutual authentication
• Should have deal with IP addressing, firewalls, open ports, DNS & DHCP

Overview

Xcelpros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. Our focus is Tech Innovation, Product Development and Technology Consulting.

We are hiring for our Product Development team and have an immediate need for a Backend Developer / Fullstack MERN Developer. The position calls for someone with a mindset who can build great products, manage multiple projects and related tasks on deadline. We are looking for high-quality and passionate developers that want to be a part of a great product team.

You need to have at least 2 years of demonstrated experience  as a Backend Developer using MERN (NodeJS, MongoDB, PostgreSQL & Express) & GraphQL technologies. The candidate will work closely with our internal teams in the design, development, launch and enhancement of various products.

About XcelPros

XcelPros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. XcelPros is focused on Tech Innovation, Product Development and Technology Consulting.

XcelPros specializes in technology solutions for Business-to-Business (B2B) and Business-to-Consumer (B2C) areas. We believe technology is the enabler of exponential growth for us and our customers. We are strategists delivering innovative business and technology solutions.  We have been well funded and operational since 2011.

XcelPros and affiliated group of companies are proud to foster a high-performance culture, one that's defined by having the best people, with the skills and determination to deliver above and beyond. We look for insightful and astute professionals who are also forward-thinking, confident, self-motivated and globally minded. Our core team consists of professionals with a wide range of skills and backgrounds.  XcelPros is continuously looking for talented, highly motivated individuals who believe in excellence and are committed to providing superior service to our customers and stakeholders. 

Experience

• Minimum of 2 years of experience in the design and development of  Web and Mobile applications using NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• You are required to have experience with development in Microservices Architecture 
• Experience with NestJS framework is a major plus
• Hands on experience with GoLang is not mandatory but a major plus

Start Date - Immediate

Positions - 2 (Immediate Need)

Responsibilities

• Minimum of 2 years of hands-on experience building applications in NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• Strong and mandatory experience of 2 years of experience in building applications using the Microservices architecture in NodeJS
• Strong and mandatory skills in Automating Components, Perceptibility, Configuration Management, Debugging & Consistency while writing Microservices.
• Experience building applications using NestJS or similar frameworks is a major plus 
• Experience building applications and service integrations using Apollo /  GraphQL
• Adhere to best practices of engineering by writing high-quality code.
• Hands on experience in Elastic Search and related technologies
• Hands on experience with one or more testing frameworks such as  Jest
• You are required to write / conduct unit & integration testing to ensure code meets high-quality standards
• Collaborate with multiple stakeholders, including Production Support, BAs, Architect, Project Managers, and Product Owners to deliver high quality solutions.
• Develop, build, configure and unit test solutions from low level designs
• Ensure that solutions meet requirements outlined in the design documentation
• Perform all work to agreed time, cost and quality constraints
• Ensure that developed solutions are peer reviewed and formally documented
• Design, develop, test and document detailed technical specifications for application components built using MERN (MongoDB, ExpressJS, ReactJS, NodeJS) stack and integrations
• Develop and maintain high traffic / high performance React and Node based e-commerce web applications and web services, including support for mobile
• Participate in support activities to help UI developers integrate with APIs / services
• Create and maintain scalable infrastructure leveraging modern AWS cloud platforms
• Knowledge of all development aspects within an Agile SDLC framework, including; estimation, design, development, unit test, code reviews, and documentation
• Develop solutions that satisfy business requirements as outlined in user stories, and within agreed upon timelines
• Ensure solutions are of high-quality with regards to following standards and best practices, as well as satisfying security and performance requirements
• Collaborate effectively with other Agile team members
• Work with the Production Support team in the research and resolution of production issues.
• Prior hands-on experience with architecture for Web and Mobile technologies, E-commerce, Payment Gateways, Data security and encryption is a major plus
• Experience with CICD, containers and container management platforms(Dockers, Docker Swarm/Kubernetes, etc.)
• Knowledge of GOLANG is a major plus
• Good understanding of the Twelve-factor App methodology is a major plus
• Experience defining new architectures and ability to drive project from an architecture standpoint is a major plus
• Experience with Security configuration is a major plus
• Experience in understanding platforms & key AWS services like Elastic Beanstalk, AWS Lambda, ECS, AWS Fargate, EKS, EC2, S3 etc. is a major plus
• Troubleshoot and resolve complex technical issues in cloud integrations
• Highest levels of code quality
• Needs to conduct weekly code reviews
• Ensure timely and quality release of the product in collaboration with other team members
• Must be a self-starter and able to build up presence in the team.
• Perform other related duties as assigned

Technical Expertise / Hands-On Skills:

• MERN (MongoDB, ExpressJS & Node JS)
• PostGreSQL
• Apollo GraphQL
• JEST
• RESTAPIs

Key Deliverables

• Develop very high sense of ownership, the zeal to build scalable applications
• Develop a deep understanding of product development and start-up ecosystem
• Work with a performance oriented team driven by ownership and open to experiments
• Build customer facing technology product for global customers
• Collaborate with development teams to help identify and develop reusable platforms/libraries.

Key Requirements

• Can do attitude
• Highly motivated to bring fresh thoughts to the table
• Highly creative and most importantly willing to exercise it
• Self-starter and self-learner focused on research and learning
• Ability to play a variety of roles and most importantly take accountability
• Ability to communicate openly and embrace various perspectives without judgment
• Believe in a ”No politics” attitude. Politics can be detrimental to yourself and the organization.

Level 3 Contractor-to-Fulltime-Programmer Role:

Must have 1-2 years (ideally 12 to 30 months) of post-collegiate professional programming experience at a top SaaS company in React, Typescript, Javascript working within Visual Studio Code and Yarn, leveraging superior techniques with Routing, Components, State, and Props to deliver elegant consumer applications based on dynamic data.

Ability to translate user story completely into exceptional functionality that consistently meets acceptance criteria and delights users.  Ability to convert complex workflows into elegant experiences highly prized.

Experience with Firebase, Firestore, MongoDB, Heroku and other Cloud-based technologies to deliver scalable, performant data-driven applications, with deployments on Kubernetes.  Ideally experienced working with colleagues over Discord.

Ability to exhibit judgment to independently author test suite and testing scripts to evaluate code additions, ensuring no regressions in functionality or user experience.

Proficiency in translating complex mathematical concepts into effective data structures and programming practices.  Personal pleasure in solving mathematical puzzles elegantly is a huge plus.

Bonus for those possessing keen interest in better investing, wealth creation, and FinTech/WealthTech experience.

Collaborate effectively through coding tools such as GitHub, Jira, and Slack.

Enthusiastic, collaborative, driven, curious, professional, fast-paced, detail-oriented.  Clear communicator, flexible work hours to be part of experienced Silicon Valley product team. Able to make constructive contributions to improved team development practices
.

Anticipated first year will be entirely working from home given COVID as Level 3 Contractor, and upon completion of first anniversary will be eligible for sign-on bonus as full time employee. Required to have own effective laptop/development set up and sufficient bandwidth to be exceedingly productive.

We are excited to consider applicants from outside top IITs and top technical cities, so you don’t have to be a graduate of IIT Madras or IIT Bombay, nor living in Bangalore, Pune, or Hyderabad – we are more interested in exceptional and fluent programming talent and passion than just these degrees.  And all that being said, we confess we do have a founding team with degrees and DNA from Stanford, Harvard, and INSEAD.

There will be a technical task/test, a fit/communication interview, and a technical interview.

We are looking for a full stack developer to produce scalable software solutions.

As a full stack developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.

If you’re also familiar with Agile methodologies, we’d like to meet you.

Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements:

• Degree in Computer Science or related field
• Strong organizational and project management skills.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React and Amber.
• Proficiency with server side languages such as Python, Ruby, Java, PHP and .Net.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Excellent verbal communication skills.
• Good problem solving skills.
• Attention to detail.

Reporting directly to the Founder

The job requires a great deal of responsibility early on, but we're working on something exciting and there's lots of opportunity of growth and learning.

The job is full-time, remotely based, and with flexible hours.