Hashone careers

We’re Hiring: Fullstack Developer (Node.js/Python + React.js)

Location: Bangalore

Type: Full-Time

Experience: 2 to 5 Years

Key Responsibilities

Develop and maintain full-stack web applications using Node.js/Python backends and React.js frontend.

Build scalable backend APIs (Express.js, Nest.js, Django, FastAPI, Flask) and integrate with frontend components.

Write clean, maintainable JavaScript/TypeScript and Python code following best practices.

Participate in code reviews and contribute to technical discussions.

Collaborate with cross-functional teams to deliver high-quality products.

Debug and troubleshoot across the full stack, ensuring seamless deployments.

Optimize application performance and ensure responsive user experiences.

✅ Required Skills

2–5 years of hands-on full-stack development experience.

Strong proficiency in JavaScript (ES6+) and modern web development concepts.

Backend expertise with Node.js (Express.js, Nest.js) OR Python (Django, FastAPI, Flask).

Frontend expertise in React.js, including hooks and modern component patterns.

Experience with RESTful API development & integration.

Database knowledge in SQL (PostgreSQL, MySQL) and NoSQL (MongoDB).

Familiarity with Git and collaborative workflows.

Strong problem-solving, debugging, and performance optimization skills.

Knowledge of agile methodologies and software development lifecycle.

📌 Skills:

SQL | JavaScript | React.js | Node.js | Python

Job Title: Data Scientist

Location: Bangalore (Hybrid/On-site depending on project needs)

About the Role

We are seeking a highly skilled Data Scientist to join our team in Bangalore. In this role, you will take ownership of data science components across client projects, build production-ready ML and GenAI-powered applications, and mentor junior team members. You will collaborate with engineering teams to design and deploy impactful solutions that leverage cutting-edge machine learning and large language model technologies.

Key Responsibilities

ML & Data Science

• Develop, fine-tune, and evaluate ML models (classification, regression, clustering, recommendation systems).
• Conduct exploratory data analysis, preprocessing, and feature engineering.
• Ensure model reproducibility, scalability, and alignment with business objectives.

GenAI & LLM Applications

• Prototype and design solutions leveraging LLMs (OpenAI, Claude, Mistral, Llama).
• Build RAG (Retrieval-Augmented Generation) pipelines, prompt templates, and evaluation frameworks.
• Integrate LLMs with APIs and vector databases (Pinecone, FAISS, Weaviate).

Product & Engineering Collaboration

• Partner with engineering teams to productionize ML/GenAI models.
• Contribute to API development, data pipelines, technical documentation, and client presentations.

Team & Growth

• Mentor junior data scientists and review technical contributions.
• Stay up to date with the latest ML & GenAI research and tools; share insights across the team.

Required Skills & Qualifications

• 4.5–9 years of applied data science experience.
• Strong proficiency in Python and ML libraries (scikit-learn, XGBoost, LightGBM).
• Hands-on experience with LLM APIs (OpenAI, Cohere, Claude) and frameworks (LangChain, LlamaIndex).
• Strong SQL, data wrangling, and analysis skills (pandas, NumPy).
• Experience working with APIs, Git, and cloud platforms (AWS/GCP).

Good-to-Have

• Deployment experience with FastAPI, Docker, or serverless frameworks.
• Familiarity with MLOps tools (MLflow, DVC).
• Experience working with embeddings, vector databases, and similarity search.

We’re Hiring – Machine Learning Expert | Bangalore | 5+ Years Experience

Are you passionate about building intelligent systems and deploying ML models at scale? We are looking for a Machine Learning Expert to join our team in Bangalore. If you have strong engineering skills and love solving complex problems with data and algorithms, this role is for you!

🔹 Role: Machine Learning Expert

📍 Location: Bangalore (Hybrid)

🕒 Experience: 5+ years

🎓 Education: B.E/B.Tech/M.E/M.Tech in Computer Science, Engineering, or related field

What We’re Looking For

✅ Hands-on experience with NumPy, Pandas, FastAPI, Postman, Keras

✅ Deep understanding of stochastic algorithms & optimizers (Adam, Adagrad, RMSProp)

✅ Strong analytical and problem-solving mindset

✅ Ability to design ML-driven solutions for real-world business problems

Job Title: Lead Java Developer

Experience Required: 7+ Years

Location: Mumbai

About the Role

We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
• Build and optimize APIs for large-scale applications ensuring high performance and reliability.
• Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
• Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
• Write efficient SQL queries and integrate with relational and NoSQL databases.
• Collaborate with product managers, architects, and other developers to define and align on technical decisions.
• Identify and solve complex problems with innovative and scalable solutions.
• Drive best practices in coding standards, system design, and performance optimization.
• Communicate complex technical concepts clearly across teams and stakeholders.

Skills & Qualifications

• 7+ years of experience as a Backend Developer.
• Strong expertise in Java, Spring Boot, Microservices, SQL.
• Significant experience in API design and optimization for enterprise-scale applications.
• Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
• Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
• Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
• Strong communication and collaboration skills, with the ability to influence and align teams.