Experience: 5-10 Years.
Skills: Python, Django, Restfull API.
Passionate coder with 5+ years of application development experience with python based web servers.
Backend & Frontend API creation using Tornado / Django / Flask. Strong experience working with RESTful APIs.
Hands on experience with any SQL database with schema creation and SQL queries
Strong debugging, problem solving and investigative skills.
Experience with Agile/Scrum methodology.
Self-starter who can work independently.
Strong consulting and communication skills.
Ability to work effectively with various organizations in pursuit of problem solutions. Problem Solving Solves complex problems; takes a new perspective on existing solutions; exercises judgment based on the analysis of multiple sources of information

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Job Title: Backend Developer (Full Time)
Location: Remote
Interview: Virtual Interview
Experience Required: 3+ Years
Backend / API Development (About the Role)
- Strong proficiency in Python (FastAPI) or Node.js (Express) (Python preferred).
- Proven experience in designing, developing, and integrating APIs for production-grade applications.
- Hands-on experience deploying to serverless platforms such as Cloudflare Workers, Firebase Functions, or Google Cloud Functions.
- Solid understanding of Google Cloud backend services (Cloud Run, Cloud Functions, Secret Manager, IAM roles).
- Expertise in API key and secrets management, ensuring compliance with security best practices.
- Skilled in secure API development, including HTTPS, authentication/authorization, input validation, and rate limiting.
- Track record of delivering scalable, high-quality backend systems through impactful projects in production environments.
Job Title: Software Developer
Location: Remote
About Us: CipherSonic Labs is a cutting-edge technology company specializing in data security and privacy solutions for enterprises processing sensitive data in the cloud. We develop high-performance cryptographic software and hardware acceleration techniques to enable secure computing. Our team is looking for talented individuals to contribute to innovative projects in secure computing and high-performance software development.
Job Description: We are seeking a Software Developer to assist in the development of high-performance software solutions. This role will involve working on low-level programming, optimizing cryptographic algorithms, and improving performance for security-critical applications. The ideal candidate will have a passion for systems programming, algorithm optimization, and working in a high-performance computing environment.
Key Responsibilities:
· Develop and optimize software using C/C++ for high-performance computing applications.
· Work on cryptographic algorithm implementations and performance tuning.
· Optimize memory management, threading, and parallel computing techniques.
· Debug, profile, and test software for performance and reliability.
· Write clean, efficient, and well-documented code.
Qualifications:
· Completed a B.S. or higher degree in Computer Science, Computer Engineering.
· Strong programming skills in C and C++.
· Familiarity with Linux-based development environments.
· Basic understanding of cryptographic algorithms and security principles is a plus.
· Experience with AWS Lambda, EC2, S3, DynamoDB, API Gateway, Containerization (like Docker, Kubernetes) is a plus.
· Knowledge of other programming languages such as Python, Rust, or Go is a plus.
· Strong problem-solving skills and attention to detail.
· Ability to work independently and collaboratively in a fast-paced startup environment.
What You’ll Gain:
· Hands-on experience in systems programming, cryptography, and high-performance computing.
· Opportunities to work on real-world security and privacy-focused projects.
· Mentorship from experienced software engineers and researchers.
· Exposure to cutting-edge cryptographic acceleration and secure computing techniques.
· Potential for future full-time employment based on performance.
We are seeking a skilled Java Developer with hands-on experience in Java and Spark to build scalable data processing solutions. You'll contribute to high-performance data pipelines and analytics platforms in a dynamic Agile environment.
Key Responsibilities
- Design and develop Java applications integrated with Apache Spark for ETL processes, data transformations, and analytics.
- Build and optimize Spark jobs (Spark SQL, DataFrames, Streaming) for large-scale data processing.
- Collaborate with data engineers and analysts to implement robust data workflows.
- Write clean, maintainable Java code following best practices (Spring Boot, Microservices preferred).
- Perform code reviews, unit testing, and contribute to CI/CD pipelines.
- Troubleshoot and optimize Spark performance for production workloads.
- Document technical solutions and mentor junior developers.
Required Skills & Qualifications
- 4-7 years of hands-on Java development experience.
- Strong expertise in Apache Spark (Spark Core, Spark SQL, PySpark basics).
- Proficiency in Java 8/11+ with multithreading and collections frameworks.
- Experience with data processing (ETL, data pipelines, big data).
- Familiarity with build tools (Maven/Gradle) and version control (Git).
- Strong problem-solving skills and Bangalore location availability.
- Excellent communication skills for cross-team collaboration.
Good to Have
- Experience with Snowflake for cloud data warehousing.
- Knowledge of DBT (Data Build Tool) for analytics engineering.
- Python scripting for data manipulation and automation.
- Exposure to AWS/GCP/Azure cloud platforms.
- Familiarity with Kafka, Airflow, or containerization (Docker/Kubernetes).
About Company
Espressif Systems (688018) is a public multinational, fabless semiconductor company established in 2008, with headquarters in Shanghai and offices in Greater China, India, and Europe. We have a passionate team of engineers and scientists from all over the world, focused on developing cutting-edge WiFi-and-Bluetooth, low-power IoT solutions. We have created the popular ESP8266 and ESP32 series of chips, modules, and development boards. By leveraging wireless computing, we provide green, versatile, and cost-effective chipsets. We have always been committed to offering IoT solutions that are secure, robust, and power-efficient. By open-sourcing our technology, we aim to enable developers to use Espressif’s technology globally and build smart connected devices. In July 2019, Espressif made its Initial Public Offering on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE).
Espressif has a technology center in Pune. The focus is on embedded software engineering and IoT solutions for our growing customers.
About the Role
Espressif’s https://rainmaker.espressif.com/ is a paradigm-shifting IoT cloud platform that provides seamless connectivity to IoT devices to mobile apps, voice assistants, and other services. It is designed with scalability, security, reliability, and operational cost at the center. We are looking for senior cloud engineers who can significantly contribute to this platform by means of architecture, design, and implementation. It’s highly desirable that the candidate has earlier experience of working on large-scale cloud product development and understand the responsibilities and challenges well. Strong hands-on experience in writing code in Go, Java, or Python is a must.
This is an individual contributor role.
Minimum Qualifications
-
BE/B.Tech in Computer Science with 5-10 years of experience.
-
Strong Computer Science Fundamentals.
-
Extensive programming experience in one of these programming languages ( Java, Go, Python) is a must.
-
Good working experience of any of the Cloud Platforms - AWS, Azure, Google Cloud Platform.
-
Certification in any of these cloud platforms will be an added advantage.
-
Good Experience in the development of RESTful APIs, handling the security and
performance aspects.
-
Strong debugging and troubleshooting skills.
-
Experience working with RDBMS or any NoSQL database like DynamoDB, MYSQL, Oracle.
-
Working knowledge about CI/CD tools - Maven/Gradle, Jenkins, experience in a Linux (or Unix) based environment.
Desired Qualifications
-
Exposure to Serverless computing frameworks like AWS Lambda, Google Cloud Functions, Azure Functions
-
Some Exposure to front end development tools - HTML5, CSS, Javascript, React.js/Anular.js
-
Working knowledge on Docker, Jenkins.
Prior experience working in the IoT domain will be an added advantage.
What to expect from our interview process
-
The first step is to email your resume or apply to the relevant open position, along with a sample of something you have worked on such as a public GitHub repo or side project, etc.
-
Next, post shortlisting your profile recruiter will get in touch with you via a mechanism that works for you e.g. via email, phone. This will be a short chat to learn more about your background and interests, to share more about the job and Espressif, and to answer any initial questions you have.
-
Successful candidates will then be invited for 2 to 3 rounds of the technical interviews as per the previous round feedback.
-
Finally, Successful candidates will have interviews with HR. What you offer us
-
Ability to provide technical solutions, support that fosters collaboration and innovation.
Ability to balance a variety of technical needs and priorities according to Espressif’s growing needs.
What we offer
- An open-minded, collaborative culture of enthusiastic technologists.
- Competitive salary
- 100% company paid medical/dental/vision/life coverage
- Frequent training by experienced colleagues and chances to take international trips, attend exhibitions, technical meetups, and seminars.
JD-Backend Developer
Job Location: Andheri, Mumbai
Job Summary:
As a Python based Backend developer, you shall be responsible for software development of greenfield projects -an platform
for automated testing using Python as a main language. You will work with a team of developers, collaborating on projects to
create efficient and effective software solutions that meet the needs of clients or end-users in the testing domain. You will
need to have a strong understanding of Python & other languages with knowledge of test automation frameworks and tools/
libraries.
Responsibilities:
• Develop and maintain an automated testing platform using Python programming language.
• Design and implement software solutions that automate the testing process.
• Collaborate with other developers and cross-functional teams to deliver high-quality software solutions.
• Participate in code reviews, debugging, and troubleshooting to improve software quality.
• Stay up-to-date with the latest developments in Python and JavaScript programming language and related
testing frameworks and tools.
• Ensure software is delivered on-time and meets or exceeds customer expectations.
• Develop and maintain documentation related to software development processes and projects.
Requirements:
• Bachelor's degree in Computer Science, Software Engineering or a related field.
• Proven experience as a Back-end Developer.
• Strong understanding of Python & other programming language along with its ecosystem (libraries, frameworks,
tools, etc.).
• Excellent written and verbal communication skills.
Preferences:
• Preference shall be given to local candidates
• Preference shall be given to candidates having experience in greenfield software development projects related
to automated testing.
jumpingMinds (jM) is a Mental Health Tech startup leveraging the power of community and technology to disrupt the growing global Mental Health & Wellness industry. It's a first-of-its-kind anonymous safe space designed to instantly make someone under stress feel better through personalized intelligent solutions.
We have consistently seen that ~70% of jM users feel better after just one conversation. We launched the product ~18 months ago, and have received an amazing response with over 700k+ community and better than Best In Class metrics across the board. And to top that, we have been awarded 10+ times, out of which we have been recognized by Google five times already!
jumpingMinds is seeking a skilled Backend Developer with a strong proficiency in Python and Django to join our development team. Your primary focus will be the development and maintenance of the jumpingMinds backend system, scalable to millions of devices. working on different layers of the infrastructure. Therefore, commitment to collaborative problem-solving, sophisticated design, and creating quality products is essential.
Requirements :
- BS/MS degree in Computer Science, Engineering, or a related subject
- 3-4+ yrs experience as Backend, prior startup experience, should have led the team, python django expertise, AWS cloud stack knowledge are all must.
- Prior experience in Team Management
- Backend or Full-Stack experience in a work setting or classroom-setting.
- Work experience, open-source code, or coursework in any of the following languages: Python/Django, Golang, Ruby/Ruby on Rails
- Evidence of exposure to architectural patterns of a large, high-scale web application (e.g., well-designed APIs, high-volume data pipelines, efficient algorithms).
- Join our dynamic and innovative team to contribute to the development of cutting-edge web applications and make a meaningful impact in the industry.
Why should an employee join ?
We offer a competitive salary, flexible working hours, and opportunities for professional growth and advancement.
Skills:
- Expertise in Python 3 on AWS serverless
- Experience in AWS serverless stack Appsync, Lambda, Cognito, API Gateway, DynamoDB, Elasticsearch, SQS, S3, Code commit & Code Deploy.
- Proficient in modern microservice-based architectures and methodologies.
- Experience in a database technology, preferably No-SQL such as AWS DynamoDB.
- Build human-centric UX with us using technologies like React, TypeScript, GraphQL, and CSS-in-JS.
- Experience building data processing pipelines (SQS, Kinesis, DynamoDB, AWS Lambda, or similar)
- Deep technical hands-on experience developing in REST/JSON or SOAP/XML, combined with strong knowledge of concepts such as CORs (Cross Origins Resources), headers, security, JSON and http concept.
- Experience with Github and advanced Github features (good to have).
- Must have worked as a part of Agile Teams and DevOps practices such as continuous Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.
Bachelor's or Master's degree in Computer Science, Information Systems,
or equivalent.
EXPERIENCE – 2 to 5 years
CTC - UPTO 5.4L P.A.
JOB DESCRIPTION
We are looking for a backend developer who will be responsible for designing,
implementing, and supporting a distributed blockchain-based network. Your primary
responsibility will be analysing requirements, designing Blockchain technology around
a certain business model, and the building and launching of a blockchain network. You
will be asked to work on various blockchain technologies like Ethereum (Layer 1 & 2,
i.e Binance Smart Chain ).
● Analytical, results-driven Back-end Developer who will work with team members
to troubleshoot and improve current back-end applications and processes.
Focused on building a better, more efficient program and creating a better
end-user experience.
● Work closely with Frontend developers to integrate new web features into
our application
● Strong understanding of the web development cycle and programming
techniques and tools.
● Strong communication and presentation skills
● Ability to work in a fast-paced environment.
SKILLSET
● Experience with Smart contract development tools
● Strong background in Javascript, Python & Node JS, SQL
● Build new features and products using modern backend tools (Node.js, Mongo,
SQL, GraphQL)
● Hands-on technical exposure in implementing Blockchain technologies
(Ethereum and Hyperledger Familiarity with Hyperledger Fabric and Solidity )
Understanding of Distributed Ledger technology, Blockchain ecosystem and
structure.
● Experience working in an Agile and DevOps environment.
● Knowledge on Mining, Hashing, Elliptic Curve Cryptography(ECC) and P2P
networking Extensive experience with progression of major projects from the
planning stage through to implementation and completion Effective
communicator to all stakeholders and management during project consulting
and analysis. Strong Software development background.
● Experience on Smart contract and Solidity, development tools for Ethereum
(testrpc, geth, Web3, eth_lightwallet, etc.
● Experience in writing smart contracts.
● Good understanding of NFTs and tokens.
● Experience in wallet integration like MetaMask and Coinbase Wallet.
Experience working with decentralized application protocols like DeFi..
Working knowledge of at least one of the Blockchain frameworks such
as Hyperledger Fabric, R3 Corda, Ethereum (Solidity).
● Experience working with large code-bases.
● Proficiency in one or more of the following languages: C++, Go, Solidity,
Rust, Node.js, React.js.
● Strong knowledge of Algorithms and Data Structures.
● Familiarity with Cryptography.
● Familiarity with P2P networks
● Strong knowledge of bitcoin-like blockchains.
● Strong knowledge of concurrency and writing efficient and safe multithreaded
code
● Familiarity with code versioning tools such as Git
Role Summary: Back-end Developer who would contribute towards building a highly flexible and scalable Back- end by bringing deep core technology expertise.
Job Description:
- Develop modules keeping micro services architecture philosophies in check. - Implement and/or oversee implementation of different modules as part of an integrated development team. - Drive evolution of application performance. - Ensure project scalability by having good project architecture
Skill Requirements:
- Strong Node.js. - Strong database technology skillsets, namely MongoDB, MySQL
- Should have experience of using Rabbit MQ.
- Python (Django) skills are a plus. - A skilled and pragmatic approach.
- Experience with user-centred design, test-driven development, iterative/incremental and agile practices. - Experience with AWS deployment a definite plus.
Individual applying to the role should ideally have the following attributes.
-Passionate about back-end Development and continually follow the platform & innovations
-Strong and innovative approach to problem solving and finding solutions
- Excellent communicator (written and verbal, formal and informal)
- Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution
- Ability to multi-task under pressure and work independently with minimal supervision.
- Ability to prioritize when under pressure.
This is regarding .Net Core Developer/Lead opportunity we have with us and we are looking for immediate joiner.
Please find below the job description for your reference:
Required Skills:
- Good understanding of SOLID principles or Object oriented programming concepts
- Working knowledge of design patterns
- ASP.Net Core MVC & Razor
- REST API
- SQL
- Unit testing
Nice to have:
- RabbitMQ or experience working with any message oriented systems
- HTML, Javascript & CSS
- C#7 and above
- Docker
- SSRS
- Quartz or Hangfire
FYI. There will be a small coding ‘test’ during the interview











