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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.
We are looking for a skilled Backend Developer with strong experience in building, scaling, and optimizing server-side systems. The ideal candidate is proficient in Node.js, FastAPI (Python), and database design, with hands-on experience in cloud infrastructure on AWS or GCP.
Responsibilities:
Design, develop, and maintain scalable backend services and APIs using Node.js and FastAPI
Build robust data models and optimize performance for SQL and NoSQL databases
Architect and deploy backend services on GCP/AWS, leveraging managed cloud services.
Implement clean, modular, and testable code with proper CI/CD and observability (logs, metrics, alerts)
Ensure system reliability, security, and high availability for production environments
Requirements:
2–5 years of backend development experience
Strong proficiency in Node.js, FastAPI, REST APIs, and microservice architecture
Solid understanding of PostgreSQL/MySQL, MongoDB/Redis or similar NoSQL systems
Hands-on experience with AWS or GCP, Docker, and modern DevOps workflows
Experience with caching, queueing, authentication, and API performance optimization
Good to Have:
Experience with event-driven architecture, WebSockets, or serverless functions
Familiarity with Kubernetes or Terraform
Job Location: Gurugram, Haryana, India
Industry: Artificial Intelligence
ABOUT UNRAVEL CARBON
Unravel Carbon enables companies to assess their carbon footprint by tracking their digital financial footprint with its proprietary carbon emission factor model; making it easy, fast and convenient to become climate positive.
We aim to accelerate the participation of all companies, big and small, in the global fight against climate change. And we want to do it the 21st century way—autonomous, painless, and beautiful.
Unravel Carbon consists of a team of software engineers, data scientists, founders and climate experts with a passion to solve the world’s most pressing issue—climate change. Collectively, our leadership team has launched and invested in multiple companies, and are now combining their experience and knowledge here at Unravel.
We are backed by some of the world’s best funds and investors and are part of Y Combinator’s W22 batch.
Unravel Carbon was founded in 2021 with headquarters in Singapore.
Unravel Carbon on LinkedIn: https://www.linkedin.com/company/unravelcarbon/
ABOUT THE ROLE
We are looking for early members of our India team. You will be part of the team that establishes our India product development team. We are looking for candidates who have high potential, are excited about tackling the climate change problem and are excited to grow in a high-growth environment while working with the Singapore HQ.
A junior/mid-level backend software engineer. Must be comfortable to work in a small development team and have the initiative to work alone on smaller problem sets. Must be passionate about climate-tech for a better future.
- Build backend server applications using Flask/DJango framework
- Collaborate with the data team to integrate data pipelines into our backend system.
- Collaborate with the front end team.
- Analyze processes and code to troubleshoot problems and identify areas of improvement.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- Take lead on projects, as needed.
ABOUT YOU
- Willingness to learn, be a self-starter, and thrive in uncertainty; you would be one of the first few employees at an early stage startup, be prepared to venture into unknown territory, collaborate and learn
- Meticulous and detail-oriented
- Required skills:
- Python Backend Development Frameworks (Flask, Django). Backend development in other languages/frameworks can be considered too
- NoSQL databases (MongoDB)
- SQL databases (MySQL, Postgres, DuckDB)
- Running/managing Linux servers on Cloud services (AWS/GCS/Azure)
- Optional skills:
- Front End Web development (ReactJS)
- Python data science tools (Pandas, Numpy, Scipy)
- Python NLP tools
YOUR WORK STYLE
- An understanding of agile product development
- Self exploration and self learning of the latest technologies and applying them to solving the technical challenges our team face
- Self-starter (proactive and independent) with an ability to prioritize different assignments and tasks to meet deadlines
- Comfortable working in a collaborative environment
- Eager to think outside of the box and creatively problem-solve
YOUR PREFERRED BACKGROUND
A Bachelor’s Degree in Computer Science, IT, or related discipline AND 1+ years working experience in the IT industry.
WHAT WE OFFER YOU
We offer an exciting challenge for a purpose-driven person who thoroughly enjoys learning and takes up responsibilities in a multi-cultural, primarily virtual, and pioneering organization.
We nurture a culture that allows you to thrive, where your skills can be honed and your ideas will be heard, and where collaboration across teams and with global partners is the default.
Sizzle is an exciting new startup that’s changing the world of gaming. At Sizzle, we’re building AI to automate gaming highlights, directly from Twitch and YouTube streams. We’re looking for a superstar Python expert to help develop and deploy our AI pipeline. The main task will be deploying models and algorithms developed by our AI team, and keeping the daily production pipeline running. Our pipeline is centered around several microservices, all written in Python, that coordinate their actions through a database. We’re looking for developers with deep experience in Python including profiling and improving the performance of production code, multiprocessing / multithreading, and managing a pipeline that is constantly running. AI/ML experience is a plus, but not necessary. AWS / docker / CI/CD practices are also a plus. If you are a gamer or streamer, or enjoy watching video games and streams, that is also definitely a plus :-)
You will be responsible for:
- Building Python scripts to deploy our AI components into pipeline and production
- Developing logic to ensure multiple different AI components work together seamlessly through a microservices architecture
- Managing our daily pipeline on both on-premise servers and AWS
- Working closely with the AI engineering, backend and frontend teams
You should have the following qualities:
- Deep expertise in Python including:
- Multiprocessing / multithreaded applications
- Class-based inheritance and modules
- DB integration including pymongo and sqlalchemy (we have MongoDB and PostgreSQL databases on our backend)
- Understanding Python performance bottlenecks, and how to profile and improve the performance of production code including:
- Optimal multithreading / multiprocessing strategies
- Memory bottlenecks and other bottlenecks encountered with large datasets and use of numpy / opencv / image processing
- Experience in creating soft real-time processing tasks is a plus
- Expertise in Docker-based virtualization including:
- Creating & maintaining custom Docker images
- Deployment of Docker images on cloud and on-premise services
- Experience with maintaining cloud applications in AWS environments
- Experience in deploying machine learning algorithms into production (e.g. PyTorch, tensorflow, opencv, etc) is a plus
- Experience with image processing in python is a plus (e.g. openCV, Pillow, etc)
- Experience with running Nvidia GPU / CUDA-based tasks is a plus (Nvidia Triton, MLFlow)
- Knowledge of video file formats (mp4, mov, avi, etc.), encoding, compression, and using ffmpeg to perform common video processing tasks is a plus.
- Excited about working in a fast-changing startup environment
- Willingness to learn rapidly on the job, try different things, and deliver results
- Ideally a gamer or someone interested in watching gaming content online
Seniority: We are looking for a mid to senior level engineer
Salary: Will be commensurate with experience.
Who Should Apply:
If you have the right experience, regardless of your seniority, please apply.
Work Experience: 4 years to 8 years
About Sizzle
Sizzle is building AI to automate gaming highlights, directly from Twitch and YouTube videos. Sizzle works with thousands of gaming streamers to automatically create highlights and social content for them. Sizzle is available at www.sizzle.gg.
👋🏼We're Nagarro.
We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!
REQUIREMENTS:
- Must have Skills: Node JS, Microservices architecture (MSA) (Capable),Javascript/Typescript, AWS S3/ LAMBDA/ EC2/DYNAMODB
- Cloud developer with a minimum of 6 years of experience Technical skills in most of the following areas
- Expert in developing REST Services and APIS using JavaScript, TypeScript NodeJS is a must
- Implementing Serverless Software development using Amazon Lambda written in NodeJS is desirable.
- Services including AWS IoT, S3, RDS, IAM, Cognito, SNS, VPC, EBS, AWS Route 53, and Cloud Watch is a must
- Proficient in database concepts including schema design, querying, performance tuning, and debugging (Both SQL and No-SQL databases)
- Strong experience in designing and developing enterprise cloud-based IoT solutions using AWS
- Develop Web, APIs, IoT & Cloud based solutions is a must
- Ability to write automated unit test cases using mocking frameworks (Jasmine, Mocha, chai, Jest, etc.)
- Experience in modern data architectures (e.g. Micro Service, event-driven architectures, stream processing, and integrating real-time analytics into customer applications is desirable
- Have a good eye for NFRs (Scalability, extensibility, reliability, etc.) while evaluating design. should be able to Converts Solution Requirements into logical systems & subsystems
- Innovates and creates new ideas and have the ability to develop quick proof of concepts and validate with the customer.
RESPONSIBILITIES:
- Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
- Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it
- Determining and implementing design methodologies and tool sets
- Enabling application development by coordinating requirements, schedules, and activities.
- Being able to lead/support UAT and production roll outs
- Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it
- Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
- Giving constructive feedback to the team members and setting clear expectations.
- Helping the team in troubleshooting and resolving of complex bugs
- Carrying out POCs to make sure that suggested design/technologies meet the requirements.
- Writing reusable, testable, and efficient code.
- Design and implementation of low-latency, high-availability, and performant applications.
- Implementation of security and data protection.
- Integration of data storage solutions {mysql, redis}.
- Understanding the requirements and planning the implementation accordingly.
- Good interaction with the team. Good debugging skills.
- Strong proficiency with JavaScript {optimized code}.
- Knowledge of Node.js and frameworks available for it {sequelize}.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Optimization in terms of memory and time.
- Good understanding of server-side templating languages.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Proficient understanding of code versioning tools, such as Git.
5 years of architecture, design and programming experience preferably in fast-paced dynamic environment
Strong application design and implementation skills, solid understanding of the entire development cycle.
Strong background in Java/J2EE based application
Strong background in Spring/Spring boot based application
Strong background in Microservices based application
Experience working with Apache and/or Tomcat
Experience in transforming requirements to software design
Strong Experience with developing Java SAAS web applications.
Working experience in Industry Standard protocols related API Security including OAuth
Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.
Strong background working with Linux/UNIX environments.
Strong Shell scripting experience.
Working knowledge with Oracle, DB2 or MongoDB databases.
Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play. Strong agile/scrum development experience
Strong collaboration and communication skills within distributed project teams
Excellent written and verbal communication skills
In this role, the individual will be part of the engineering team and will be responsible for
* Participating and collaborating with Product Owner/ Cross-functional teams in the organization to understand the business requirements and to deliver solutions that can scale.
* Design and Develop API in NodeJS using Express JS framework with relevant middleware integrations.
* Designing and implementing software that is simple, intuitive, and easy to use with Test first driven Approach.
* Proactively anticipating problems and keeping the team and management informed in a timely manner.
**Basic Requirements:**
* 1-2 years experience in designing and building secure large-scale systems.
* Deep experience in one or more relevant front-end frameworks such as React.
* Ability to rapidly prototype and adjust in response to customer feedback
* Strong problem solving and troubleshooting skills.
* Solid coding practices including peer code reviews, unit testing, and a preference for agile development.
* Expertise in NodeJS and JavaScript;
* Strong in Jasmine, Karma, Jest, Mocha, Cucumber JavaScript testing frameworks.
* Strong in REST, GraphQL API frameworks.
* Knowledge of securing REST APIs using OAuth, JWT, etc.
* Experience in designing and working with No SQL Databases such as Mongo etc.
* Experience in designing and working with SQL Databases such as MySQL, Postgres, etc.
* Experience in building solutions on top of any of cloud technologies like AWS, Google Cloud.
* Excellent written and verbal communication skills.
* Experience with building service side applications with object-oriented design and Multi-page MVC architecture.
* Actively practicing professional software engineering best practices for the full software development life-cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
| Job Description | Roles and Responsibilities Researching, designing, implementing and managing software programs Testing and evaluating new programs Write high quality source code to program complete applications within deadlines Perform unit and integration testing before launch Working closely with other developers, UX designers, business, Testing Team and systems analysts Find bugs and offer timely solutions Integration of user-facing elements developed by front-end developers Build efficient, testable, and reusable PHP modules Solve complex performance problems and architectural challenges Produce detailed specifications Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality Contribute in all phases of the development lifecycle Follow industry best practices Good understanding of RESTful API development. Good knowledge of TDD (Test Driven Development). Good understanding of jQuery, Bootstrap. Knowledge of OOPS preferred. Develop and deploy new features to facilitate related procedures and tools if necessary |
|---|---|
| Ideal Candidate | Strong knowledge of PHP web frameworks like Laravel, CI, etc Knowledge of programming language such as Python/NodeJs will be preferred Understanding the fully synchronous behavior of PHP Understanding of MVC design patterns Understanding of front-end technologies, such as JavaScript, HTML5, and CSS3 Knowledge of object oriented PHP programming Understanding accessibility and security compliance Strong knowledge of the common PHP or web server exploits and their solutions Understanding fundamental design principles behind a scalable application User authentication and authorization between multiple systems, servers, and environments Integration of multiple data sources and databases into one system Familiarity with limitations of PHP as a platform and its workarounds Creating database schemas that represent and support business processes Familiarity with MySQL/Mongo DB databases and their declarative query languages Proficient understanding of code versioning tools, such as Git Cross-browser/platform experience. Ability to adapt to changing priorities and to thrive in a fast-paced work environment. Good analytical and debugging skills. Team-oriented and Self-motivated. |









