Backend Developer

Job Title : Node.js Developer / Backend Developer

Experience : 4+ Years

Job Location : Mumbai – Andheri

Work Mode : Work From Office (5 Days a Week)

Job Type : Full-time Opportunity

Role Overview :

We are seeking an experienced Node.js / Backend Developer to design, develop, and maintain scalable backend systems.

The ideal candidate will have strong hands-on experience with Node.js, Nest.js, relational and NoSQL databases, and AWS cloud services.

You will work closely with frontend developers, DevOps, and product teams to deliver secure, high-performance, and reliable backend solutions.

Mandatory Skills : Node.js, Nest.js, MongoDB, PostgreSQL, AWS, REST API development, strong backend fundamentals.

Key Responsibilities :

• Design, develop, and maintain scalable backend applications using Node.js & Nest.js

• Build and manage RESTful APIs and backend services

• Work with MongoDB and PostgreSQL for efficient data storage and retrieval

• Develop cloud-ready applications and deploy them on AWS

• Ensure application performance, security, and scalability

• Write clean, well-documented, and maintainable code

• Participate in code reviews and follow best engineering practices

• Troubleshoot, debug, and optimize existing applications

• Collaborate with cross-functional teams for end-to-end delivery

Required Skills & Qualifications :

• 4+ years of experience in Backend / Node.js development

• Strong hands-on experience with Node.js and Nest.js

• Experience working with MongoDB and PostgreSQL

• Good understanding of AWS services (EC2, S3, RDS, etc.)

• Experience building RESTful APIs

• Understanding of backend architecture, design patterns, and best practices

• Strong problem-solving and debugging skills

• Familiarity with version control systems (Git)

Good-to-Have Skills :

• Experience with microservices architecture

• Knowledge of Docker and CI/CD pipelines

• Exposure to message queues or event-driven systems

• Basic understanding of frontend-backend integration

Job Title: Mid-Level Backend Engineer

Location: Remote

Type: Full-time or Project Basis

About Us:

At Tese, we are committed to advancing sustainability through innovative technology. Our platform helps SMEs and financial institutions manage their Environmental, Social, and Governance (ESG) goals using AI, IoT, and data-driven insights. We are looking for a skilled Backend Engineer with mid-level experience to join our dynamic team and contribute to building scalable, robust backend systems.

Role Overview:

As a Mid-Level Backend Engineer, you will be responsible for developing and maintaining backend services that power our core platform. You will work closely with our frontend developers, product team, and data scientists to implement solutions that are scalable, secure, and efficient. You will focus on building APIs, managing databases, and optimizing the performance of our services.

Key Responsibilities:

• API Development:
• Design, develop, and maintain RESTful APIs that serve our frontend applications and third-party integrations.
• Ensure high-performance and responsiveness of APIs, while following best practices for security and scalability.
• Database Management:
• Work with both NoSQL (MongoDB) , SQL (PostgreSQL, MySQL) and databases, ensuring efficient data storage and retrieval.
• Optimize database queries and manage migrations, ensuring data integrity and consistency across the platform.
• Microservices and Cloud Infrastructure:
• Develop microservices architecture using Docker and Kubernetes, ensuring that services are scalable and maintainable (Good to have).
• Work with cloud platforms (AWS, GCP, Azure) to deploy and manage backend services, ensuring high availability and fault tolerance.
• Collaboration and Documentation:
• Collaborate with frontend developers, data scientists, and product managers to gather requirements and develop backend solutions.
• Write clear, maintainable code with proper documentation, including technical designs, API specifications, and test cases.
• Performance and Security:
• Monitor backend services to ensure optimal performance, identifying bottlenecks and implementing improvements.
• Implement security best practices for APIs, databases, and backend systems, including authentication, authorization, and data encryption.

Qualifications:

• Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Experience: 3-5 years of experience in backend development, with a strong focus on building scalable and efficient systems.
• Technical Skills:
• Proficiency in backend programming languages such as Node.js, Python.
• Strong understanding of RESTful APIs.
• Hands-on experience with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) databases.
• Familiarity with cloud platforms such as AWS, Google Cloud.
• Knowledge of CI/CD pipelines and version control (e.g., Git).
• Soft Skills:
• Strong problem-solving abilities and the capacity to work independently as well as in a collaborative environment.
• Excellent communication skills, with the ability to explain complex technical concepts to both technical and non-technical stakeholders.
• A strong passion for sustainability and a desire to contribute to impactful projects that drive positive environmental change.

Preferred Qualifications:

The following qualifications are bonus, but not strictly necessary:

• Experience with Docker and Kubernetes for containerisation and orchestration (Good to have).
• Experience working with microservices architecture.
• Knowledge of ESG (Environmental, Social, and Governance) metrics and sustainability (Good to have).
• Familiarity with serverless architectures and API gateways.

Benefits:

• Competitive salary and benefits package and performance bonuses.
• Flexible working hours and remote work options.
• Opportunity to work on cutting-edge technology with a focus on sustainability.
• Professional development opportunities, including access to conferences and training.

How to Apply:

Interested candidates should submit their CV and a cover letter detailing their experience and passion for backend development and sustainability here.

Join Us:

Be a part of a forward-thinking team that is making a real difference in the world. At Tese, you'll have the opportunity to innovate, grow, and contribute to a more sustainable future through technology.

Job description for Python/Backend Developer

We are actively looking for backend software engineers who are passionate about building cutting-edge systems that work on the latest tech stack (Python, Django) but also help save lives. You’ll have the opportunity to learn and lead the development of several AI-enabled products and solutions within the company that are geared to help accelerate the development of new cures and to reduce the inefficiencies in how healthcare information is managed. 

Key Responsibilities:

• Design, develop, and deploy scalable APIs using Python/Django.
• Integrate third-party APIs like Facebook page API, Google Business API, and all other social APIs (10+)
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and testable code.
• Develop and maintain authentication mechanisms, including OAuth, JWT, and SSO integration with third-party providers.
• Optimize and maintain existing APIs for performance and scalability.

Required Skills and Qualifications:

• Education: Bachelor’s degree in Computer Science, Information Technology, or related field.
• Experience:
• 2+ years of experience in Python development.
• Proven experience in designing and developing RESTful APIs.
• Advanced proficiency in Python programming.
• Strong experience with databases (e.g., MySQL, Elasticsearch).
• Hands-on experience with SSO protocols and implementation (e.g., OAuth, SAML, OpenID Connect).
• Experience integrating SSO with third-party providers.
• Proficiency in using JSON Web Tokens (JWT) for secure data exchange

• Technical Skills:
• Proficiency in Python and Python frameworks (Django, Flask).
• Solid understanding of web technologies (HTTP, SSL/TLS, JSON, XML).
• Familiarity with API documentation tools (e.g., Swagger, Postman).
• Experience with version control systems (e.g., Git).
• Expertise in authentication and authorization methods.
• Ability to write clean, maintainable, and efficient code following best practices.
• Experience in writing unit tests for code to ensure reliability and maintainability

Looking to hire a single backend engineer who will become a part of the core team, with the track to become a part of the leadership at our company.

Candidate should have worked in startups, possess strong programming skills in Python, displays a sense of ownership and is highly energetic and eager to learn state-of-the-art tech and ML.

A minimum of 2 years of relevant experience is preferred.

2022 or later year pass outs - please apply only if you have relevant full-time and at least 2 prior internships experience

Representative (not exhaustive) responsibilities:

• Assess the current design and infrastructure of the backend server, and continuously implement enhancements to make the systems more robust, reliable and responsive
• Design, implement, test, and deploy APIs with Python on Linux servers
• Enhance back-end functionality and integrate with the front end to deliver a fully functional product
• Implement and set up automated tests to periodically test backend infrastructure for reliability, security and performance
• Design new data pipelines to enable the production deployment of new models
• Mentor junior employees and interns in the company
• Additionally, interest and ability to contribute to the continuous enhancement of our state-of-the-art NLP model pipeline and Inferencing engine is a big plus
• Be ready to roll up your sleeves and participate in customer calls, understand our ICP well, do research around product features, etc.

Fast Track Your Application

Think about the ICP for ContractKen. Sign up for a trial plan, experience the product and provide feedback on how to improve the current experience of the product to add immediate value to the ICP. We don't need you to fully code any feature in its entirety and are not looking for free work. The idea is to identify folks who get** what we are trying to do with ContractKen and find faster alignment with the right candidate.

Do not apply if

You're looking for your first, real-world model building, ML/AI role. We believe that deploying existing models (open source and proprietary) in production and delivering real business value to our customers is 10x more important than hyperparameter tuning or the latest algorithm implementation. While we'd love to entertain experienced ML data scientists, the emphasis on MLOps is as much as it is on experimentation.

Note:

• Should have hands-on core knowledge of Java.
• Must have min 3-5 years of experience.

Kindly do not apply otherwise.

Candidates must also fill out this form to start their processes. -> https://forms.gle/mBUAdg2NfrL6DF479

Looking for 5+ years of experienced Java developers to work on a new-age lending finance company based in Pune. We empower established banks with the lending ecosystem of the future. Backed by HDFC, we are on a mission to grow our current transactional amount of 13 Bn+ to tenfolds in the near future.

Our tech stack is one of the most exciting and ahead of its times where we would be expecting you to get your hands practical on these things.

- Ability to communicate effectively verbally and in writing.

- Mentoring junior developers with code reviews design reviews and unit tests.

- Code Versioning (Git, Bitbucket)

- Java

• Collections

• Multi-threading, Background Scheduling

• Design & Architecture patterns

• Springboot, MVC, API-first philosophy

• Understanding fundamental design principles behind a scalable application

• Work with database versioning concepts using Java.

- Api Gateways - APiCurio, Kong, Open API Concept

- Redis, Kafka, ElasticSearch

- DB - PSQL, Aurora, MongoDB

- Deployment - basic understanding of Docker, Kubernetes, Terraform AWS

- Alerting & Monitoring - grafana, elasticsearch, kibana, fluentd, prometheus

Although the full list of the tech stack is very vast, and we've multiple developers for each part of the stack, we would expect any senior role to understand the basics of other services end of the day, but be fluent in Core Java.

Responsibilities: 

• Design and code efficient, scalable systems that can accept feedback from multiple hundred thousand employees and generate insights 
• Design efficient and scalable event driven systems to process complex machine learning pipeline
• Experiment with data to come up with unique insights and that can benefit our clients
• Identify libraries and technologies worth experimentation
• Participate in brainstorming sessions to bring more value to our clients
• Investigate performance issues / scalability bottlenecks, existing queries and/or write new queries with performance optimization in mind
• Develop RESTful APIs that can be used by frontend to show insights
• Debug and fix production level bugs as and when they crop up
• Support ad hoc data analytics upon requests by clients, and believe us nothing creates a better DB understanding than handling ad hoc data requests 

Requirements: 

• 3+ years of experience in architecture and developing high performance web applications 
• Experience with systems ingesting/processing high amounts of data is a plus 
• In-depth understanding of the entire web development process (design, development, and deployment) 
• Experience with SQL and NoSQL database 
• Working knowledge of RESTful API paradigms  
• Experienced in microservices architecture  
• Solid engineering principles and a clear understanding of data structures and algorithms
• Passion for products, empathy for users, and aspiration to make a big impact
•  

• Work experience as Python developer
• Should have experience in  developing and working on consumer facing web/app products on in Django framework
• Should have experience working with react js front end design.
• Thorough knowledge of data stores, MyScore AWS services and should have experience with EC2, ELB, AutoScaling, CloudFront, S3
• Experience in Frontend codebases using HTML, CSS and Javascript
• Good understanding of Data Structures, Algorithms and Operating Systems
• Good experience of developing and integrating APIs
• Knowledge of object-relational mapping (ORM)
• Able to integrate multiple data sources and databases into one system (mysql)
• Understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Proficient understanding of code versioning tool (git)
• Good problem-solving skills

1. Building REST API's & Services In Django Framework
2. Building reusable code and libraries for future use
3. Optimization of the application for maximum speed and scalability
4. Implementation of security and data protection
5. Design and implementation of the database schema
6. Design and implementation of data storage solutions
7. Implementing CI/CD pipeline

• Proficient knowledge of a back-end programming language Python
• Hands-on experience with Python Frameworks like Django
• Proficient knowledge of MySQL, PostgreSQL
• Creating database schemas that represent and support business processes (Relational & NoSQL)
• Understanding of queueing systems like Redis/AWS SQS
• User authentication and authorization between multiple systems, servers, and environments
• Data migration, transformation, and scripting
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Proficient understanding of code versioning tools, such as Git

• Experience in Docker
• HandsOn Knowledge with implementing CI/CD pipelines
• Experience in managing applications on AWS
• Management of hosting environment, including database administration and scaling application to support load changes
• Product wide application-level thinking on API and data modeling