Backend developer

What We’re Looking For

Required Skills & Experience

Backend Development (5+ Years of Experience)

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Proficiency in backend programming: Python, Go, Rust, or Java.

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Experience with distributed systems, microservices, and event-driven architectures.

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Strong grasp of software engineering principles, design patterns, and scalable system design.

API Development & Web Services

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Expertise in RESTful API and GraphQL design and development.

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Experience with API security protocols, including OAuth 2.0, JWT, and HMAC authentication.

Blockchain & Web3 Technologies

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Familiarity with blockchain protocols: Ethereum, Hyperledger, Polkadot, Corda.

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Understanding of smart contracts, decentralized applications (dApps), and tokenization frameworks.

Database & Data Transformation

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Strong experience in SQL (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis, Cassandra).

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Knowledge of financial data transformation standards (ISO 20022, FIX, Open Banking).

Security & Compliance

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Experience implementing security best practices, including encryption, authentication, and RBAC/IAM-based access control.

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Understanding of regulatory frameworks: AML/KYC, GDPR, SOX, FISMA, HIPAA.

Cloud & DevOps (2+ Years of Experience)

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Hands-on experience with AWS, GCP, or Azure for scalable infrastructure deployment.

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Familiarity with containerization (Docker, Kubernetes) and CI/CD automation (GitHub Actions, Jenkins, Terraform).

Bonus Points For:

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Experience integrating financial APIs (SWIFT, FIX, Open Banking).

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Hands-on smart contract development (Solidity, Rust, Go).

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Contributions to open-source blockchain or fintech projects.

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Experience with real-time event streaming using Kafka, RabbitMQ, or Pub/Sub architectures.

We are a dynamic and innovative technology company dedicated to delivering cutting-edge solutions that empower businesses and individuals. As we continue to grow and expand our offerings, we are seeking a coding fanatic, who is interested in working on and learning new technologies. 

Position - Backend developer 

Job type - Freelance or on contract 

Location - Remote 

Roles and Responsibilities:

• Plan,create and test REST APIs for back-end services such as authentication and authorization.
• Deploy and maintain backend systems on the cloud.
• Research and develop solutions for real life business problems.
• Creating and maintaining our apps' essential business logic, providing correct data processing and flawless user experiences.
• Database design, implementation, and management, including schema design, query optimisation and data integrity.
• Participating in code reviews, providing constructive input, and ensuring that code quality standards are met.
• Keep abreast of industry developments and best practices to bring new solutions to our initiatives.

Required skills and experience - 

Must have skills : -

• Bachelor’s degree in computer programming, computer science, or a related field.
• 3 + years of experience in backend development.
• Proficient in Python,Mongodb,postgres/sql,Django and Flask
• Knowledge on nginx.
• C++/C +Cython for creating python modules
• Knowledge on Redis
• Familiarity with using AI provider apis and prompt engineering
• Experience in working with linux based instances on the cloud.
• Strong problem solving and verbal and written communication skills.
• Ability to work independently or with a group.

Good to have skills :- 

• Experience in node.js and Java 
• AWS and Google cloud knowledge.

Job Description:

As a MERN Full Stack Developer, you will be responsible for developing and maintaining web applications using the MERN (MongoDB, Postgresql, Express.js, React, Node.js) stack. You will work closely with our product and design teams to build high-quality, scalable, and efficient solutions.

Key Responsibilities:

• Develop and Maintain Web Applications: Design, develop, and deploy full-stack web applications using the MERN stack.
• API Development and Integration: Create and integrate RESTful APIs.
• Database Management: Design and manage databases using MongoDB.
• Code Quality and Testing: Write clean, maintainable, and efficient code. Implement unit tests and integration tests.
• Collaborate with Cross-functional Teams: Work closely with product managers, designers, and other developers to deliver high-quality products.
• Performance Optimization: Identify and implement performance improvements for existing applications.
• Stay Updated with Industry Trends: Keep abreast of latest trends and technologies in web development.

Required Qualifications:

• Experience: 3-4 years of professional experience as a Full Stack Developer.
• Technical Skills:
• PostgreSQL: Proficient in database design, indexing, and performance optimization.
• Express.js: Solid experience in building and managing APIs and middleware.
• React: Strong knowledge of React and related libraries (Redux, React Router, etc.).
• Node.js: Expertise in server-side development and asynchronous programming.
• HTML/CSS: Proficient in web markup and responsive design.
• JavaScript/TypeScript: Advanced proficiency in JavaScript and TypeScript.
• Version Control: Experience with Git and Git workflows.
• Soft Skills:
• Strong problem-solving abilities and analytical skills.
• Excellent communication and teamwork skills.
• Ability to work in a fast-paced environment and manage multiple tasks.
• Attention to detail and a commitment to delivering high-quality work.

Preferred Qualifications:

• Experience with cloud services (AWS, Azure, Google Cloud).
• Familiarity with CI/CD pipelines.
• Experience with Docker and container orchestration (Kubernetes).
• Knowledge of GraphQL.
• Prior experience in Agile/Scrum development methodologies.

Benefits:

• Competitive salary and benefits package.
• Opportunity to work with a talented and diverse team.
• Professional development opportunities.

About Talent Litmus

- Talent Litmus is a game-based platform for assessments and learning founded by IIT Bombay, IIM Ahmedabad alumnus. We are a young, funded, growing and ambitious startup.

- Imagine if companies were to recruit candidates using interactive mobile games instead of tedious assessments. What if training sessions in organisations were not long 3-day workshops but gripping online role-playing games. We imagined it, and have made it a reality.

- We are using Games and Generative AI to make assessments nd learning at the workplace interesting.

Responsibilities

• Complete ownership of our web and mobile platform - from specification to design, development, and troubleshooting.
• Design and develop secure, scalable, performant and reliable systems.
• Create a framework of technical standards and procedures
• Collaborative work with other HR tech platforms to implement seamless integration.
• Rapid development and prototyping of new features.

Requirements 

• Bachelors or higher degree in Computer Science or Mathematics 2 or more years of demonstrated successful experience in Full-Stack web development.
• Hands-on Experience with designing and building a high-quality front end for web applications.
• Experience with Node. JS, Angular JS, MongoDB, ExpressJS, NestJs, AWS(EC2, Route53, S3, CloudFront, Lambda), Docker, nginx.
• Experience with version control systems such as Git.
• Experience with Typescript Basic understanding and exposure to GEN AI tech.
• Bonus: experience with CI/CD, and game development (phaser.js, three.js, play canvas, etc. )
• Ability to have smart technical conversations and defend hypotheses with factual data.
• Candidates willing to work from home or from office in Mumbai

As a Tech Lead I (Backend) at Gocomet, you will be pivotal in driving backend development initiatives. Your role will involve leading the design and implementation of robust backend systems, ensuring high performance and responsiveness to requests from the front-end.

You will work closely with other team leads and departments to define and meet the technical and business requirements.

Roles and Responsibilities:

• Backend vision & ownership: Architect and implement scalable and efficient backend solutions, contributing significantly to the design and overall architecture, keeping in mind a long term vision of the product & scale.
• Optimize Performance: Focus on optimizing the application for maximum speed and scalability, including database optimization, effective caching strategies, improving code health, code design & refactoring, etc.
• Technical Innovation: Suggest innovative solutions wherever required for problems related to new product requirements & scale related issues. Stay abreast of emerging backend technologies and trends, advocating and leading the adoption of technologies that will give a competitive edge to our products.
• Mentor and Guide: Provide mentorship and guidance to backend development team members, ensuring the dissemination of best practices and efficient use of technology stacks. Take ownership of hiring & building a high quality backend team.
• Quality Assurance: Uphold high standards in code quality, including rigorous code review processes, and ensure adherence to industry best practices in backend development.

Experience & Skills:

• Backend Expertise: 4-6 years of experience in backend development, with a deep understanding of server-side logic, architecture design & handling scalability issues.
• Cloud & DevOps exposure: Experience with Cloud (GCP or AWS) with a deep understanding of different services, resources utilisations, CI/CD pipelines, Observability tools (Sentry, New Relic / Datadog, etc.) and an ability to debug infra related issues.
• Strong Technical Skills: Strong expertise in a Backend development framework (preferably Ruby on Rails but not mandatory), SQL & NoSQL database technologies.

(like Postgresql and MongoDB), Caching (Redis), Async job frameworks (like Sidekiq), etc.

• Problem-Solving Ability: Strong analytical and problem-solving skills, research ability with a proven track record of delivering high-quality software solutions.
• Leadership Skills: Demonstrated experience in mentoring backend development teams and taking complete tech ownership.
• Communication Skills: Excellent verbal and written communication skills, with the ability to clearly articulate technical challenges and solutions to both technical and non-technical team members.
• Continuous Learning: A commitment to continuous learning and staying current with the latest backend development trends and technologies.

Benefits:

• Collaborative and innovative work environment.
• Dynamic & high-performing team that thrives in a fast-paced environment.
• Opportunities for professional growth and development.
• Cutting-edge technology stack and tools.
• Make a significant impact on our products and the user experience.
• Join a team of passionate, creative, and driven individuals.
• 5 Days working.
• Flexible Working Hours.
• Experience good work culture with regular fun activities.
• Health medical insurance coverage with Family, etc.

Job Location: Bangalore

Why Gocomet?

GoComet is a dynamic SaaS start-up that provides AI-powered transportation visibility solutions to revolutionize the trillion-dollar logistics sector. At GoComet, we are revolutionizing the logistics sector one day at a time, and every team member is committed to making it a reality.

We're seeking individuals who embody our core values, character, and attitude. While we recognize that skills can be developed with the right mindset and learnability, we prioritize those who share our philosophy. Our recruitment processes reflect this belief.

Look no further if you're looking for a diverse, talented, and vibrant workplace that recognizes and rewards hard work. We're ambitious, fast-paced, and unafraid to experiment, fail, learn, and ultimately succeed. This is us! Join our team if you share our culture and values.

We're an equal-opportunity employer. We welcome qualified applicants from all races, colors, religions, sexes, nationalities, sexual orientations, gender identities, and abilities.

We are hiring for multiple positions.

For any queries, feel free to write to Know more about us:

https://www.youtube.com/watch?v=YxGt9ZCkaA8 https://youtu.be/jv9cAsgenSE https://www.youtube.com/watch?v=Er0dHqxaaXc https://youtu.be/0ql1eCVhiWA

About us:

HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.

We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.

To know more, Visit! - https://www.happyfox.com/

We’re looking for an experienced Backend Engineer to join our growing team of engineers to help build and maintain our products. You should have prior experience being responsible for building sufficiently complex features by yourself. 

Responsibilities:

• Implement product features by writing clean, robust, reusable code with tests
• Bring new ideas and best practices to improve the team and the codebase

Requirements:

• At least 3 years of relevant professional experience
• Sound knowledge of programming languages like Python
• Experience working with web application frameworks like Django
• Experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
• Experience developing REST APIs and a good understanding of best practices around building APIs
• Good communication skills
• Passion to solve complex technical problems and troubleshoot the issue

ROLES AND RESPONSIBILITIES 

• Proven working experience in backend app development and experience with Node JS.  
• Build advanced ecommerce backend applications for the multiple client platforms (both React and Android).  
• Understanding of design principles and good architecture patterns.  
• Proper Data Structures and Algorithm knowledge is a must.  

• Graph QL and Apollo Server knowledge.  
• Collaborate with cross-functional teams to define, design, and ship new features. Work with outside data sources and APIs like the one of Unicommerce.  
• Create Unit-test code for robustness, including edge cases, usability, and general reliability.  
• Work on bug fixing and improving application performance.  
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.  

• Translate designs and wireframes into high quality code.  
• Have a good understanding of CI/CD tools (any).  
• Robust knowledge of popular databases like MongoDB, Elastic Search, DynamoDB, Redis etc;  
• Knowledge about AWS Services like EC2, Lambda, Kinesis, Redshift, S3 is super plus. 
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CANDIDATES MUST HAVE  

• Node JS. 
• Data Structures and Algorithm  
• HTML5 and CSS3 
• Graph QL and Apollo Server  
• MongoDB, Elastic Search, DynamoDB, Redis 

• AWS Services like EC2, Lambda, Kinesis, Redshift, S3  

REQUIREMENTS  

• Bachelor's degree in computer science, information science, or similar.  
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.  
• Knowledge of front-end technologies such as HTML5 and CSS3.  

• Superb interpersonal, communication, and collaboration skills.  
• Exceptional analytical and problem-solving aptitude.  
• Great organisational and time management skills.  
• Availability to resolve urgent web application issues outside of business hours 

Hello,

My name is Amim and I'm a part of the Talent Acquisition team in PayU India!

Were looking for a seasoned Backend engineers who would work on cutting edge technologies to solve complex problems in FinTech world. We are currently looking for bright and talented backend engineers, who can bring new ideas to the table and contribute to our strategy in a big way.

If you like to solve complex problems and challenges, that too in a fast-moving and dynamic environment, this is great opportunity for you.

Who were looking for

Position :      Senior Software Engineer / Lead Software Engineer

Experience : 4 yrs - 9 yrs

Job Location: Bangalore / Gurgaon / Pune(Currently WFH)

Key Skills :  Object Oriented Programming ( Java / Go Lang), Problem Solving, Data Structures Algorithms, System Design Microservices / Spring Boot, Distributed Systems, AWS, Cloud, Scalability, Web Security, Kafka, Elasticsearch, Mo SQL / MongoDB / MySQL etc.  

Desired Profile

B.E / B. Tech / M. Tech in computer science or equivalent with excellent academic record.

Experience in any language like Java / GoLang / Core Java / Scala / RoR and object oriented design.

You will be Translating high level business problems into scalable design and code.

Very strong in Data Structures and Algorithms with excellent programming skills

Have experience in building and maintaining large scale web applications in service oriented architecture.

Passion for adopting new technologies at rapid pace and working in a highly agile environment

What we offer

A positive, get-things-done workplace

A dynamic, constantly evolving space (change is par for the course important you are comfortable with this)

An inclusive environment that ensures we listen to a diverse range of voices when making decisions.

Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale

Access to 5000+ training courses accessible anytime/anywhere to support your growth and development (Corporate with top learning partners like Harvard, Coursera, Udacity)

 About us

At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at http://www.payu.com">www.payu.com

Our Commitment to Building A Diverse and Inclusive Workforce

As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.

If you are interested, please share your resume on md.amim at payu.in

Role and Responsibilities:

• As a backend developer, your primary focus will be the development of all server-side systems
• A basic understanding of front-end technologies is necessary as well. You will test, secure and deploy your code
• Work experience on Node.js is a must along with a server-side framework like Express.js
• Strong proficiency in JavaScript
• Writing reusable, testable, and efficient code
• Experience and proficiency integrating with REST APIs
• Understanding of scalable computing systems, software architecture, data structures, and algorithms
• Experience in working with databases such as MongoDB, Redis, Elasticsearch, etc.
• AgileScrum development cycle understanding.

Skills Required:

• At least 2 years of experience developing backends using NodeJS should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Good knowledge of MongoDB(Must) & any other MySQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience developing and deploying REST APIs.
• Knowledge and working experience in Cloud environment - AWS or Azure
• Good knowledge of Unit Testing and available Test Frameworks.
• Should be a fast learner and a go-getter without any fear of trying out new things