Perks
- Best hardware and software to help you get the job done in the best way possible
- Remote office allowance to support you regardless of where you work
- Learning and development allowance to help you grow your career
- Flexible leave policy to give you more control over your time.
- Health insurance for your family and you to keep you well.
Required experience and skills
- Bachelors degree in Computer Science and Engineering. Bonus: Masters degree.9+ years of total full-time work experience, preferably shipping SaaS applications.
- Startup experience strongly desired.
- Played a pivotal role in scaling a company and led teams in an agile environment where iteration has led to perfection.
- Proven track record of on time project deliveries with balanced calls on technical designs and tech debt.
- Expert proficiency in:
- 1. Ruby, Ruby on Rails, Mysql, Linux, Git, AWS, CI/CD, NewRelic.
- 2. broad range of internet technologies and applications.
- 3. interacting, building, and improving the performance of systems end-to-end.
- 4. architecting/designing complex systems
- Strong collaborator and thought partner to Product team.Driven by outcomes more than output.
- Have led projects with small, dynamic, and fast-paced teams (3-5 engineers), with great flexility and adaptability on large projects, delegating working effectively.
- Viewed by the team as their evangelist, role model and bar raiser.
- Past teams and co-workers attest to your prowess & agility in building great products, and driving sound technical decision making.Mentored engineers within and outside own team.
- High on EQ, humility, curiosity and self drive.
Responsibilities
We use a rubric / career ladder as a framework to help our engineers grow in their careers. Please refer to the SDE IV section in the rubric (https://docs.google.com/spreadsheets/d/1z_51E1mZ3qf0MBuAyfHjKE1HN6h_yghAx2WMaB1z-Ms/edit?usp=sharing">click to view) to understand our expectations on your role and responsibilities.
Your responsibilities include:
- Leading completion and delivery of multiple concurrent projects with clear deliverable timelines and milestones
- Providing key input and guidance in helping to solve our most difficult and challenging issues, and providing recommendations for preventing or mitigating the effects of the issues in the future
- Identifying inconsistencies caused by lack of best practices and patterns, and proactively collaborate with the team to gather input to define and rollout new best practices
- Mentoring other engineers on increasing their impact both within and outside of their team, including identifying opportunities for them to do so
- Participate in shaping longer term technical and architectural goals in consideration of product/company strategy, organizational growth, scalability, security, and other factors
About Tophatter

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About NonStop io Technologies
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.
Brief Description:
We're seeking an AI/ML Engineer to join our team. As AI/ML Engineer, you will be responsible for designing, developing, and implementing artificial intelligence (AI) and machine learning (ML) solutions to solve real-world business problems. You will work closely with engineering teams, including software engineers, domain experts, and product managers, to deploy and integrate Applied AI/ML solutions into the products that are being built at NonStop io. Your role will involve researching cutting-edge algorithms and data processing techniques, and implementing scalable solutions to drive innovation and improve the overall user experience.
Responsibilities
● Applied AI/ML engineering; Building engineering solutions on top of the AI/ML tooling available in the industry today. Eg: Engineering APIs around OpenAI
● AI/ML Model Development: Design, develop, and implement machine learning models and algorithms that address specific business challenges, such as natural language processing, computer vision, recommendation systems, anomaly detection, etc.
● Data Preprocessing and Feature Engineering: Cleanse, preprocess, and transform raw data into suitable formats for training and testing AI/ML models. Perform feature engineering to extract relevant features from the data
● Model Training and Evaluation: Train and validate AI/ML models using diverse datasets to achieve optimal performance. Employ appropriate evaluation metrics to assess model accuracy, precision, recall, and other relevant metrics
● Data Visualization: Create clear and insightful data visualizations to aid in understanding data patterns, model behaviour, and performance metrics
● Deployment and Integration: Collaborate with software engineers and DevOps teams to deploy AI/ML models into production environments and integrate them into various applications and systems
● Data Security and Privacy: Ensure compliance with data privacy regulations and implement security measures to protect sensitive information used in AI/ML processes
● Continuous Learning: Stay updated with the latest advancements in AI/ML research, tools, and technologies, and apply them to improve existing models and develop novel solutions
● Documentation: Maintain detailed documentation of the AI/ML development process, including code, models, algorithms, and methodologies for easy understanding and future reference.
Qualifications & Skills
● Bachelor's, Master's, or PhD in Computer Science, Data Science, Machine Learning, or a related field. Advanced degrees or certifications in AI/ML are a plus
● Proven experience as an AI/ML Engineer, Data Scientist, or related role, ideally with a strong portfolio of AI/ML projects
● Proficiency in programming languages commonly used for AI/ML. Preferably Python
● Familiarity with popular AI/ML libraries and frameworks, such as TensorFlow, PyTorch, scikit-learn, etc.
● Familiarity with popular AI/ML Models such as GPT3, GPT4, Llama2, BERT etc.
● Strong understanding of machine learning algorithms, statistics, and data structures
● Experience with data preprocessing, data wrangling, and feature engineering
● Knowledge of deep learning architectures, neural networks, and transfer learning
● Familiarity with cloud platforms and services (e.g., AWS, Azure, Google Cloud) for scalable AI/ML deployment
● Solid understanding of software engineering principles and best practices for writing maintainable and scalable code
● Excellent analytical and problem-solving skills, with the ability to think critically and propose innovative solutions
● Effective communication skills to collaborate with cross-functional teams and present complex technical concepts to non-technical stakeholders
Company: BigThinkCode Technologies
URL: https://www.bigthinkcode.com/
Experience required: 3-4 years
Work location: Chennai
Joining time: Immediate – 2 weeks
Work Mode: Work from office / Hybrid
About the Role
We're looking for a skilled Node.js Developer with 3+ years of experience building scalable applications using event-driven architecture within distributed systems. The ideal candidate is comfortable working on high-performance backend services and has a strong understanding of asynchronous programming patterns. Exposure to knowledge embedding and vectorization techniques is a strong plus, especially for modern data-driven or AI-powered systems.
Key Responsibilities
- Design, develop, and maintain server-side applications using Node.js
- Build and optimize scalable, event-driven systems in distributed environments
- Implement asynchronous workflows, message queues, and pub/sub architectures
- Collaborate with cross-functional teams to define and deliver backend solutions
Required Skills
- 3+ years of hands-on experience with Node.js
- Strong understanding of event-driven architecture and non-blocking I/O
- Experience working with distributed systems and microservices architecture
- Proficiency in RESTful API design and implementation
- Experience with databases such as MongoDB, PostgreSQL, or MySQL
- Experience with containerization tools like Docker and orchestration tools like Kubernetes
Good to Have
- Experience with knowledge embedding and vectorization techniques
- Familiarity with vector databases (e.g., Pinecone, Weaviate, FAISS)
- Understanding of cloud platforms (AWS, Azure, or GCP)
Why Join Us:
- Collaborative work environment.
- Exposure to modern tools and scalable application architectures.
- Medical cover for employee and eligible dependents.
- Tax beneficial salary structure.
- Comprehensive leave policy
- Competency development training programs.
Job Title : Senior Java Developer (Telecom Domain)
Experience : 6 to 10 Years
Location : Nagpur, Maharashtra
Job Summary :
We are looking for a Senior Java Developer with strong experience in the Telecom domain to design and develop enterprise messaging applications.
The ideal candidate should have hands-on expertise in Java, Kannel SMS Gateway, SMPP protocol, and telecom messaging platforms, along with experience building scalable REST APIs and microservices.
Mandatory Skills :
Java 8/11/17, Spring Boot, Spring Framework, Hibernate/JPA, REST APIs, Microservices, Kannel SMS Gateway, SMPP Protocol, Telecom Messaging Platforms, SMSC Integration, SQL, Linux, Git, CI/CD, Telecom Domain Experience.
Key Responsibilities :
- Design, develop, and maintain Java-based enterprise applications.
- Develop and integrate SMS solutions using Kannel SMS Gateway and SMPP.
- Build REST APIs and Microservices using Spring Boot.
- Integrate with SMSCs and telecom messaging platforms.
- Optimize application performance, reliability, and scalability.
- Troubleshoot production issues and collaborate with cross-functional teams.
- Perform code reviews and mentor junior developers.
Required Skills :
- 6 to 10 years of Java development experience.
- Strong expertise in Java 8/11/17, Spring Boot, Spring MVC, Hibernate/JPA.
- Hands-on experience with Kannel SMS Gateway and SMPP protocol.
- Experience with Telecom SMSCs and messaging platforms.
- REST APIs, Microservices, SQL (MySQL/PostgreSQL/Oracle).
- Linux/Unix, Git, CI/CD pipelines.
- Strong debugging and problem-solving skills.
Preferred Skills :
- Kafka, RabbitMQ, or ActiveMQ.
- Docker & Kubernetes.
- AWS, Azure, or GCP.
- Redis and monitoring tools (Grafana, Prometheus, ELK).
- Experience with Agile/Scrum.
Mandatory Requirement :
Candidates must have prior Telecom industry experience with hands-on working knowledge of SMPP, SMSC, and Kannel SMS Gateway. Profiles without Telecom messaging experience will not be considered.
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.
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Experience in AWS.
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Experience in AWS.
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
We are looking for 2 - 10 years experienced Ruby on Rails and VueJS developer responsible for building
applications, including anything from complex groups of back-end micro-services to command line utilities and
data processing scripts. Your primary responsibility will be to design and develop these applications, and to
coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to
collaborative problem solving, sophisticated design, and building quality products is essential.
Key Duties & Responsibilities:
• Design, develop, and implement new modules and APIs for the BEAM Product
• Plan, build and launch features for our products
• Write unit, functional, and integration tests
• Estimate development tasks and meet deadline
• Collaborate with engineering, QA, and product design team members
• Scale our applications as our user base grows
Mandatory Skills & Experience:
Ability to work & develop in Linux environment
• A solid understanding of Ruby
• 5+ years of web application engineering experience with Ruby on Rails, PostgreSQL, HTML, CSS,
JavaScript, Responsive Design, Caching
• 1+ years of experience with a front-end framework (Vue.js & GIT)
• Solid 2+ plus years of web dev experience building web UI/UX interactions.
• 5+ years of experience improving the performance of Ruby on Rails applications with Memcached &
background job processing frameworks (Sidekiq, Resque etc.)
• Hands on experience in deploying applications using AWS Infrastructure using Capistrano automated
deployment.
- Bachelor's Degree or equivalent experience.
- 5-8 years of experience with software development, preferably in Agile environment.
- Advanced knowledge of in software development tools, programming languages, databases, and environments, including but not limited to:
- Python 3.x, Django, functional Python, procedural Python, object oriented Python, Asynchronous Design, Micro Services, memcache, REDIS, Celery, ElastiSearch, RESTful web services, Relational (Oracle & MySQL) and Non-Relational (NOSQL & DynamoDB) databases, AWS.
The B2B manufacturing industry has a lack of digitisation globally. NowPurchase is building layers of technology to help improve the productivity and profits of the manufacturer. For this we are building the OS (Operating System) that will seamlessly connect factory equipment such as furnaces and spectrometers to our software systems that provide real time optimisations.
The end-game is to use this interconnected system to do great production planning and autonomous procurement of their raw materials. The Heart of NowPurchase will be a marketplace consisting of these smart factories and raw material suppliers.
Here a video that explains our product journey:
https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21">https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21
This is fully a remote role, but the employer needs to fly down to the office in Kolkata for 5–6 days every month. Plane tickets and accommodation will be reimbursed by the company.
Role Description
NowPurchase is looking to add an immensely talented Senior Backend Engineer that will help us invent, design, refine and deliver products that will meet the above vision.
- Expect to build a lot of services and APIs in the cloud and stand-alone IoT devices to serve both the browser as well as native IoT enabled terminals that will be placed at the manufacturers' premises.
- Expect designing algorithms that model the metallurgy of the manufacturing processes as well as using tools such as linear programming, machine learning etc.
- You need to lead the backend team to make sure they are delivering high quality code and is constantly inspired to experiment with tools to push out MVPs.
What are the expectations from this role?
- Deliver high quality modular code deployed to serve web, mobile and native IoT enabled terminals that leverage REST-based services and real time sockets. This would include algorithms for real time optimizations that are critical for the manufacturing process.
- You are empowered to work directly with leadership and the product team to make decisions about your code and future of the product.
- Have a strong emphasis on shipping features quickly without sacrificing code quality. Be ready to build a lot of MVPs that will go through iteration or be completely scrapped depending on the outcome at the customer end.
- Own your Agile projects and lead the team from software design to implementation and deployment. Maintain sprints, delivery timelines and contribute to better managing the engineering team.
- Collaborate on the end to end design and implementation of the platform, including data modeling, systems architecture, data security, access controls, architecture, user experience, deployment, automation, and monitoring.
- Maintain a high level of data integrity, quality and security checks.
- Develop data pipelines and RESTful services that are distributed, robust and highly performant.
- Build a culture of simplicity and pragmatism, which is reflected in your elegant code that other developers emulate and you ensure through thorough code reviews and processes.
Qualifications and Experience
- 4+ years of demonstrated software engineering experience in an agile environment designing, architecting and implementing robust scalable systems preferably for modern SaaS application
- 1+ years of technical leadership experience
- Experience with modern server-side programming languages such as Python, Scala, Go. Experience with web frameworks such as Django Rest Framework, Flask.
- Experience with architecting asynchronous services with design patters leveraging PostgreSQL, MongoDB, Redis, Celery for storage and multi-tenant servers over AWS Elastic BeanStalk.
Compensation & Benefits
- **Cash Compensation:** As per industry standards & pedigree of candidate
- **ESOPs:** 10% of NowPurchase is dedicated to current & future team members. Your package would entail some ESOPs so that you own a part of the company and grow along with it.
- **Medical Insurance:** Benefits of group insurance of 3 lakhs for family including parents, spouse, children
- **Generous leave structure and WFHs** including Marriage, Maternity & Paternity leaves
- **Complete Relocation Expenses:** We are building a unicorn out of the city of Joy (Kolkata). We will pay for everything you spend to relocate here.
**Possible Growth path**
Senior Backend End Engineer > Engineering Manager > VP of Engineering
**Tech Stack**
- React/Redux
- Python/Django/Celery
- Git, AWS, ELB (Elastic Beanstalk), Netlify
- PostgreSQL/Redis/S3
## **Hiring Process**
1. Screening of applicants & initial telephonic call with Manager -HR
2. F2F/Video Interview with Engineering Manager and Cofounder CTO
3. Take home written assessment
4. F2F/Video Interview with Cofounder CEO
5. Email communication on final feedback
The end to end process shall take less than 10 days. We pride ourselves on being transparent & moving fast.
*Candidates who accept an offer may join within 1 hour, 1 week or up to 45days of signing - though, we have a preference for as short a gap period between signing and joining since we're at the most exciting part of our journey - laying the foundation for the NowPurchase platform!*









