We are hiring IN OFFICE ONLY.
Office located in the beautiful Astra Towers in Rajarhat Kolkata.
We are looking for Senior Laravel Developers that have experience with Laravel Framework PHP, and VueJs.
You will be working right away with other senior Laravel Developers that know the products. You will be learning the projects, and helping them clean up and polish our tech better. We are a product based company.
A little about us:
Klizo Solutions has over 50 employees and is located in the New Town area, near CC2. Our employees range from graphic designers, back-end developers, iOS and Android Developers, and more. We are primarily a product-focused company. Our founder is from the USA and spends about 6 months a year here going back and forth. We develop technologies around his products and develop products for a few other clients. We are looking to expand to more locations, and are hiring for those reasons. You can see a company video here: https://klizos.com/about-us/
Preferred & Required knowledge and Duties:
- MVC Structure
- SQL concept
- Eloquent Relationships
- HTTP middleware
- Basic knowledge of JQuery
- Basic command of Laravel (How to create Model, Controller, migration, middleware )
- Experience of Vue.js
- Experience with Git
- Experience integrating third-party APIs
- Experience with payment APIs
Required Shifts:
We are expected to work Monday - Friday
We may rarely be needed on a Saturday if a project is required.
BONUS Knowledge (not required):
- MongoDB
- Worked with Jira
- Knows Github / Repo / Source control
- Worked with Bitbucket
Job Types: Full-time, Permanent, In Office
Benefits
- Bonuses based on performance
- Additional training will be available and may be required
- Clean office, professional hardware, and a positive team.

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Specific Knowledge/Skills
- 4-6 years of experience
- Proficiency in Python programming.
- Basic knowledge of front-end development.
- Basic knowledge of Data manipulation and analysis libraries
- Code versioning and collaboration. (Git)
- Knowledge for Libraries for extracting data from websites.
- Knowledge of SQL and NoSQL databases
- Familiarity with RESTful APIs
- Familiarity with Cloud (Azure /AWS) technologies
- 5+ years of experience working with MySQL Databases, including the community edition
- Advanced understanding of Linux OS
- Can use SSH to connect to remote systems with password & public/private keys
- Deep understanding of systems performance
- Understand automation concept to speed up the work: Ansible
- Advanced knowledge on InnoDB internals
- Expert knowledge of Performance Schema
- Knows how to optimize queries/schemas
- Deep understanding of replication and clustering
- Knows backup solutions and strategies
- Knows HA solutions and strategies
- Knows proxy usage as it relates to MySQL
- Designs and executes overall database architecture strategy, standards and practices.
- Works closely with project teams to develop data models that support business processes.
- Works with application development to ensure database changes adhere to best practices and are properly prioritized and scheduled.
- Supports all areas of the enterprise - ensures that all databases run at optimal performance
- Proactively identifies and troubleshoots databases performance issues
- Ensures that industry wide security standards are properly implemented
Senior Python Developer
Experience: 4–8 Years
About the Role
We are looking for a Senior Python Developer Engineer to join our team. This role focuses on building and maintaining data-intensive backend systems, handling large-scale datasets, and exposing insights through robust, scalable APIs.
You will work closely with operational and transactional data, design efficient data pipelines, and build backend services that power analytics, reports, and ERP workflows. The ideal candidate is strong in Python, excellent with data and databases, and capable of owning features end-to-end.
Key Responsibilities
- Analyze large datasets to identify trends, inconsistencies, and operational insights.
- Design, build, and maintain backend services and REST APIs using Python and FastAPI.
- Perform advanced data manipulation and aggregation using Pandas, NumPy, and SQL.
- Design and optimize data pipelines for analytics, reporting, and downstream systems.
- Implement automated data quality checks, validations, and monitoring scripts.
- Work closely with product, application, and business teams to translate raw data into clear, actionable outputs.
- Optimize query performance across relational and analytical databases.
- Expose processed data and insights via APIs or dashboards for consumption by web or ERP applications.
- Ensure high standards of code quality, performance, scalability, and maintainability.
- Write clear documentation for APIs, data flows, and processing logic.
Required Skills & Qualifications
- 4–8 years of strong, hands-on experience with Python in production systems.
- Excellent experience with data handling, processing, and large datasets.
- Strong experience building APIs using FastAPI (or similar frameworks).
- Deep expertise in Pandas, NumPy, and SQL.
- Solid experience with MySQL and PostgreSQL.
- Experience working with analytical or reporting workloads.
- Strong understanding of data modeling, joins, aggregations, and performance tuning.
- Proficiency with Git and collaborative development workflows.
- Strong analytical and problem-solving skills with the ability to work independently.
Good to Have
- Experience with ClickHouse, Databricks, or Elasticsearch.
- Exposure to data engineering concepts such as ETL/ELT, batch processing, and data pipelines.
- Experience with workflow orchestration tools (Airflow, Prefect, Dagster).
- Familiarity with data visualization libraries (Plotly, Matplotlib, Seaborn).
- Experience with AWS services (S3, EC2, RDS, Lambda).
- Prior experience integrating data services into ERP or business applications.
Soft Skills
- Strong analytical mindset and attention to detail.
- High ownership and accountability.
- Ability to work independently with minimal supervision.
- Clear communication and documentation skills.
- Proactive, solution-oriented approach.
Job description: for Node js Developer at Appinop Technologies
- Experience in developing IOT applications using NodeJS & frameworks
- Writing reusable, testable, and efficient code
- Familiarity with RESTful APIs . Experience in working on serverless framework in AWS using Lambda, API Gateway . Experience in working on AWS database services such as Dynamodb , RDS - Experience in working on other AWS services such as Cognito, AWS ElasticSearch, Kinesis Data Stream, Firehose, Athena, S3
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
Requirements and qualifications:
- Previous working experience as a Node.js Developer 1-2 years
- Bachelor's degree in computer science, information aries, and Exceptional analytical and problem-solving aptitude. Science, or similar.
- Extensive knowledge of JavaScript, web stacks, libr
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Availability to resolve urgent web application issues outside of business hours.
About Appinop
Innovation begins with like-minded people aiming to transform the world together.
We invite you to become a part of an organization that has been helping clients transform their business by fusing insights, creativity, and technology. At Appinop, we embrace a diverse mix of talented people who come here to stay and do their best work.
At Appinop, we transform passionate individuals into proficient professionals dedicated to exploring new frontiers in Software development. Here you will get the opportunity to work with technical craftsmen that are pioneer in latest technologies
We promote a culture of equality, learning, collaboration, and creative freedom so that our employees grow.
For more information about our solutions and organization, visit http://www.Appinop.com">www.Appinop.com
Treflo is looking for an Engineering Lead to join our Product Development team and work on the financial revolution triggered by the dawn of Cryptocurrencies and Smart contracts along with us. As Engineering Lead, you will be leading the Tech teams focused on Building Web 3 products along with the Product Team to ensure smooth execution of Specifications, provide engineering and product development inputs, oversee the company's technical team, analyze briefs, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals. We see successful Leadership as always expanding their industry knowledge and ability to quickly identify problems, understand accountability, and trustworthiness, and be able to build lasting relationships with their teams.
Responsibilities
Determining project requirements and developing work schedules for the team. Delegating tasks and achieving daily, weekly, and monthly goals. Analyzing existing operations and scheduling training sessions and meetings to discuss improvements. Up to date with industry news and emerging best practices and technologies. Working closely in collaboration with the business, product, and design teams. Provide guidance on best implementation. Product Oriented Thinking - should come up with ideas to improve our product continuously and marshal resources at hand.
Requirements
Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field. Minimum 4+ years of proven experience in deploying and maintaining Products. Minimum 1+ years of experience building and managing teams. Experience in Web3 stack with a clear understanding of concepts like decentralization, EVM, and cross-chains. Experience with Blockchain development - Smart Contracts, Solidity, Move, Haskell or WASM, etc. Expertise in frontend and backend tech stack - Node JS, Express, Typescript, Solidity, Smart Contracts, ReactJS, Android, Blockchains, Data structures, and Algorithms. Expertise in Databases like MongoDB & MySQL. Experience with solutions like Digital Ocean, Kubernetes, AWS, Docker, etc. Strong leadership, team building, hiring, and organizational abilities.
Desired Skills and Experience Blockchain,JavaScript,Node.js,React.js
Senior backend developers
Minimum 5 years of experience
Backend skills: MongoDB, Node.js
Remote work available
(We prefer individual developers over agencies or IT providers)
If you are a technology enthusiast, we have the perfect job for you! We are looking for Node.Js Developers to join our agile team of professionals.
Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Requirements:
- Bachelor's degree in computer science, information science, or similar.
- At least two years' experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
We are planning to expand our team to explore new opportunities and looking for creative, enthusiastic, and passionate individuals to join our team.
Job Description
- Engage in Node.js back-end development with MongoDB
- Work on Backend programming
- Work on databases
- Coordinate with front end teams for overall project overview
- Create User stories and UML, documentation of the business goals
- Must have knowledge of Node.Js, HTML, CSS
- Knowledge of git and AWS
- Proficient in Data Structures and Algorithms
- Good in Object oriented design
- Ability to work independently and manage the entire backend of all platforms associated with Rejolut
- Exemplary tasks – Explore something new every day!
- Responsibility – Bring in your own ideas and get supported in executing them.
- Fun – Experience a family culture & celebrate with the founders & team.
- Team – Be a part of a high-performance & cultural diverse team
- Freshers can apply
- Students in their last semester or passed out in 2020 can also apply
- Working days: Monday to Friday
- Timings: 11:00 am to 7:00 pm
- Duration of internship: 6 months/PPO(Performance Basis)
Stipend: INR 10,000 -15000 / per month
Please apply only if -
- You are available for the above said duration.
- You prefer to work in a fast paced environment with growth & learning opportunities
- If you have not applied for an internship before with us.
- have relevant skills and interests
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loyalty Rewardz.
Benefits :
- Health Insurance
- Work from Home
- Fast growth and more visibility into the company
- Experience to work on the latest technology
- Competitive Learning Environment with supportive co-workers
- Employee friendly HR Policies
- Paid leaves up to certain limits
- Liberal working atmosphere
- Get mentored by the best in the industry
Affinsys is a Cognitive CX platform that combines Human & AI realms to help businesses with customer experience management, hyper-personalization & operations automation. With laser sharp focus on Customer Experience automation for financial services, we use Deep learning, NLP, computer vision, big data, recommendation system & speech analytics fused with our domain knowledge of working with 100's of banks across 50 countries to help financial institutions shift : from legacy to latest channels (Embedded Financial services), from transactions to goal based journeys (Personalized customer experience), from reactive service provider to proactive advisor (Robo/AI based advisory), from silos to ecosystem (Open banking).
Role:
- Understand complex business problems and implement product features that are secure, scalable, robust and easy to implement and maintain.
- Take full ownership of product features to implement, provide bug fixes and write tests and tooling for those features to ensure they work well at cloud scale.
- Take pride of ownership in features that are used by users of Top 100 Global enterprises.
Required skills:
- C#/ASP.NET/Javascript/MVC guru with the ability to understand complex domain problems and churn out a PoC quickly.
- A great communicator of ideas and solutions and a lateral thinker when faced with complex performance or production issues.
Qualifications
Any B.E /B.Tech / Science / Computer - graduate or post graduate












