Cutshort logo
Genius Placement Service logo
Mean/mern Stack developer
Mean/mern Stack developer
Genius Placement Service's logo

Mean/mern Stack developer

Muskan Keshvani's profile picture
Posted by Muskan Keshvani
2 - 5 yrs
₹2L - ₹6L / yr
Remote, Ahmedabad
Skills
skill iconNodeJS (Node.js)
skill iconReact.js
skill iconAngular (2+)
skill iconAngularJS (1.x)
skill iconMongoDB
skill iconExpress
skill iconJavascript

We are looking for Full Stack Developer.

Experience - 2 to 5 years 

Location - Ahmedabad 

5 Days working 

 

Required Skills:

 

  • Should have strong hands on experience in Node.js, React.js & Angular.js.
  • Deep understanding of object - oriented JavaScript and design principles and standards, and has a solid programming background
  • Experience handling different browser capabilities
  • Hands - on experience in UI optimization best practice implementations
  • Demonstrated ability to accurately estimate and scope development work
  • Good analytical and problem - solving skills
  • Communication skills are imperative both in written and in verbal form
  • Excellent organizational and coordination skills

 

Read more
Users love Cutshort
Read about what our users have to say about finding their next opportunity on Cutshort.
Shubham Vishwakarma's profile image

Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
Companies hiring on Cutshort
companies logos

About Genius Placement Service

Founded
Type
Size
Stage

About

N/A

Connect with the team

Profile picture
Muskan Keshvani

Company social profiles

N/A

Similar jobs

Wissen Technology
at Wissen Technology
4 recruiters
Tony Tom
Posted by Tony Tom
Gurugram
2 - 4 yrs
Best in industry
skill iconC#
skill icon.NET
skill iconReact.js

Job Description:


  • 2 – 4 years of hands-on experience as a Developer in financial services
  • Experience with C#/.NET
  • Experience with JavaScript/TypeScript, ReactJS, and AWS Cloud technologies is a plus
  • Experience with databases such as MSSQL and MongoDB is a plus
  • Familiarity with concepts such as microservices, API, TDD, unit testing, and SDLC
  • Knowledge of Stock Loan, Collateral margining, Swaps would be a great advantage
  • Strong analytical and problem-solving skills, with the ability to think critically
  • Strong written and verbal communication skills
  • Experience in stakeholder management across both IT and business sectors


Read more
MyOperator - VoiceTree Technologies
at MyOperator - VoiceTree Technologies
1 video
2 recruiters
Vipra Mishra
Posted by Vipra Mishra
Remote only
3 - 7 yrs
₹7L - ₹13L / yr
skill iconNodeJS (Node.js)
skill iconReact.js
skill iconAngular (2+)
skill iconAngularJS (1.x)
skill iconMongoDB
+1 more
MyOperator is a leading Software as a Service (SaaS) for managing cloud communication. 

 

The team will build our next generation cloud telephony platform and provide our customers with new ways to deliver communication experiences to their audiences. This is an exciting and meaningful opportunity both from a technical and career opportunities perspective.

 

Our Stack - ReactJS, Node, Python, PHP, MongoDB, Redis, MySQL, Elasticsearch, RabbitMQ, Git, Docker, Nginx, 

 

Responsibilities:

  • Writing reusable, testable, and efficient code
  • Design and implement high performance applications. 
  • End to end responsibility from development to production.
  • Work with product and design teams to translate designs and wireframes into high quality products.

 

Requirements

  • Minimum 3-6 years of working experience with Node.js,  React, backend and frontend
  • Core understanding of react state management.
  • Knowledge of common JS design patterns.
  • Knowledge of Redux, Webpack, Formik, Thunk and has a working experience on these libraries.
  • Knowledge and experience on REST APIs.
  • Hands-on experience with Jest, Enzyme for TDD.
  • End to end responsibility from development to production.
  • Good written and verbal communication skills.
  • Great at MySQL and query optimization. 

 

Benefits

    • 100% Remote Team
    • 5 days working with flexible working hours
    • We have an amazing design (UI and UX) team so development receives fully researched and designed tasks.
    • Everyone has a voice in the development process.
    • Opportunity to work in a dynamically growing company where what you do has a direct and immediate impact.
 
 
Want hear our CEO? https://www.youtube.com/watch?v=g85J6h8RGCU&;t=157s" target="_blank">https://www.youtube.com/watch?v=g85J6h8RGCU&t=157s
 
Our Product: https://www.youtube.com/watch?v=2uhjcIa5rlE" target="_blank">https://www.youtube.com/watch?v=2uhjcIa5rlE
Read more
MSMEx
at MSMEx
6 recruiters
Sujata Ranjan
Posted by Sujata Ranjan
Remote, Mumbai, Pune
4 - 10 yrs
₹15L - ₹25L / yr
skill iconNodeJS (Node.js)
skill iconJavascript
Fullstack Developer
skill iconReact.js
skill iconReact Native
+3 more

We are looking for a Full Stack Lead having worked on NodeJS and React with total experience of 4 to 6 years. Minimum two year of experience in NodeJS, React and Redux is required for this position.

 

Responsible for requirements understanding, propose architecture, detailed design, development and timely deliverables with the highest quality standards.

We are looking for Product creators who can work with minimum inputs from business and are able to deliver products quickly and with quality.

This person should have worked in Enterprise class product from scratch. Start-up experience would be highly desirable.

 

Tech Stack: Node.js, React.js, HTML, CSS, AWS, MySQL, MongoDB, Mix panel/Metabase, Instamojo and Razor Pay, Google Analytics, FB Pixel, SEO, Dev Ops, CI/CD, Micro services, Unit Testing

 

Responsibilities

·      Will be responsible for designing and developing web-based enterprise class solutions using NodeJS, React and Redux.

·      Should be expert in writing Unit Test Cases with NodeJS and React and with quality.

·      Excellent communication and presentation skills.

·      Proven experience as an individual contributor/Architect.

·      Should be able to quicky come up with system design by understanding business requirement and translate into good quality product.

·      Building reusable components and front-end libraries for future use.

·      Translating designs and wireframes into high quality code.

·      Optimizing components for maximum performance across a vast array of web-capable devices and browsers.

 

Skills

·      Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

·      Thorough understanding of React.js, HTML, CSS and its core principles

·      Experience with popular React.js workflows (such as Flux or Redux)

·      Familiarity with newer specifications of ECMAScript

·      Experience with data structure libraries (e.g., Immutable.js)

·      Knowledge of isomorphic React is a plus

·      Familiarity with RESTful APIs

·      Knowledge of modern authorization mechanisms, such as JSON Web Token

·      Familiarity with modern front-end build pipelines and tools

·      Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

·      Knowledge of CI/CD and should have worked on at least one tool like Jenkins etc.

·      Ability to understand business requirements and translate them into technical requirements

·      A knack for benchmarking and optimization

·      Familiarity with GIT Technology like GitHub, Bitbucket

 

Desirable (Nice to Have skills):

·      Knowledge of Data analytics platform like Meta Base.

·      Good understanding of digital marketing, Google & FB Analytics, consumer funnel data tracking tools, including SEO.

·      Experience of e-commerce start up would be an added plus.

·      Scaling experience using AWS, knowledge of EBS, Docker, Kubernetes, Microservices.

·      AWS Certification would be an added plus.

·      Knowledge of Dev/Ops and should be able to set up CI/CD quickly.

·      Participation in Hackathons is an added plus.

 

Eligibility

 

BTech or MTech in Computer Science from a reputed institute, IIT, NIT, BITS Pilani, COEP (Pune), VJTI, BHU or ISM

 

Good knowledge on Data Structure and Algorithms.

Read more
Recro
at Recro
1 video
32 recruiters
Tuhina Sarkar
Posted by Tuhina Sarkar
Bengaluru (Bangalore), Mumbai, Delhi, Gurugram, Noida
3 - 7 yrs
₹10L - ₹15L / yr
skill iconNodeJS (Node.js)
skill iconReact.js
skill iconAngular (2+)
skill iconAngularJS (1.x)
skill iconMongoDB
+4 more


Skills

  • Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
  • Expertise in backend programming with Node.js and MongoDB.
  • Experience with React.js and redux.
  • Material UI and 3rd party libraries.
  • Experience with clean code writing practices like avoiding callback hell like promises, async.
  • Thorough understanding of Node.js and its core principles.
  • Experience with popular React.js workflows (such as Flux or Redux).
  • Familiarity with newer specifications of ECMAScript.
  • Experience with data structure libraries (e.g., Immutable.js).
  • Familiarity with RESTful APIs.
  • Knowledge of modern authorization mechanisms, such as JSON Web Token.
  • Familiarity with modern front-end builds pipelines and tools.
  • A knack for benchmarking and optimization.
  • Familiarity with code versioning tools (such as Git, SVN, and Mercurial).



Responsibilities:

  • Build Node.js APIs using microservices.
  • Rewriting backend code with microservices architecture & Unit tests.
  • Developing new user-facing features using React.js.
  • Building reusable components and front-end libraries for future use.
  • Translating designs and wireframes into high-quality code.
  • Optimizing components for maximum performance across a vast array of web-capable devices and browsers.


Read more
Cast Software
at Cast Software
3 recruiters
Sibil Sagar
Posted by Sibil Sagar
Bengaluru (Bangalore)
3 - 6 yrs
₹10L - ₹30L / yr
skill iconReact.js
skill iconAngularJS (1.x)
skill iconAngular (2+)
skill iconHTML/CSS
RESTful APIs
+4 more

Full-stack Developer

CAST is the market leader in Software Intelligence. Its unique technology thoroughly examines the structure of complex software systems, with MRI-like precision. It delivers accurate, actionable, and automated views of software architecture, critical flaws, quality grades, sizing metrics, open source usage, and cloud readiness levels. Hundreds of companies rely on CAST for greater objectivity in crucial business decisions, faster application modernization for Cloud, raising the quality and security of their custom software. CAST operates globally with offices in North America, Europe, India, China.

Title: Software Developer

Location: Bangalore

Job definition

Working at CAST R&D means being an important part of a highly-talented, fast-paced, multicultural and Agile team based in Paris (France) and Bangalore (India). The team builds sophisticated source code analysis platform leveraging parsing, control flow, data flow and others mechanisms to fully understand the inner structure of the complex IT Systems developed and used by the Fortune 500 companies.

You, working as individual contributor, will be integrated in Dashboard Teams working on web portals of CAST AIP. Your teammates will be located in India and in France and you will have the opportunity to travel to France every year.
You will collaborate to writing and designing new features and improve existing ones. You will write unit tests and drive code reviews. You will participate into best practices definition and technology watch. Depending on will, skills and experience, you will have the opportunity to take technical lead on topics or projects.

While the domain of CAST is a niche, the position will propose you to work on software that dedicate to company Dashboards and control software, focusing on technical and creative skills.

Profile

  • Experience : 3-6 years
  • Experience in developing front-end/full stack applications at scale
  • Should have experience in any of the front-end framework like React, Angular, BackboneJS, Ext etc and HTML/CSS/Bootstrap .
  • Experience in backend technologies like GOLANG, NodeJS, Python, REST web services and Java(OOPS, Collections, DB Access) or any other technology.
  • Hands on experience in JavaScript Concepts (OO-JS, Closures, Unit Testing, Module Patterns etc)
  • Good to have skills like REST, Bootstrap, UI Components, CI/CD, NoSQL based DB is added advantage.
  • Experience with advanced CSS programming using LESS or SASS is a plus.
  • Expertise in of server side technologies and SQL/NoSQL is a plus.
  • Experience of JavaScript testing frameworks like Karma, Mocha, Jest etc.
  • It involves design the software system, Select algorithms, theories or technologies that will be used for BUSINESS Applications
  • Contribute to software development design discussions for new features and new product development
  • Strong Problem solving skills and ability to troubleshoot applications & environment issues.
  • Adaptability, ability to learn faster, Independent, responsible and diligent.
  • Good team spirit and interpersonal skills, Excellent Written, Verbal, communication skills, Analytical skills & Business Thinking.

The candidate should have a passion for technology and a flexible, creative approach to problem solving. You are autonomous and take responsibility for your work.

Ideally, you know how to write unit tests and maybe even better write them in TDD. You have knowledge in agile methodologies such as Scrum. You know about GIT and the use of continuous integration tools. You have developed single page JS applications end to end.

Candidate should have a bachelor or Master technical degree or equivalent experience. Strong knowledge in software engineering. Proactive Self Starter, creative thinker in designing, developing and supporting applications. Work as part of cross functional, passionate agile project teams to ensure quality is driven into the heart of the development process.

 

Read more
Defacto Technologies Pvt Ltd
Hussain Effendi
Posted by Hussain Effendi
Remote, Navi Mumbai
1 - 2 yrs
₹5L - ₹15L / yr
skill iconNodeJS (Node.js)
skill iconReact.js
skill iconAngular (2+)
skill iconAngularJS (1.x)
skill iconMongoDB
+1 more

What is Pocketbits?
India's Oldest Active Cryptocurrency Exchange. Born in 2016, PocketBits takes pride in being India's oldest operating Crypto Exchange. Our strategy focuses on providing unprecedented support and innovative products for all our global user base. We are solely a product-based company wherein we build and develop our own line of products and currently operate primarily in the Cryptocurrency and Blockchain space.

Visit us at: https://pocketbits.in/.">https://pocketbits.in/

 

What is in it for you?

Working in a hyper-growth community of young, adventurous, and enthusiastic minds who passionately own and love what they do will be an excellent spot. You'll have absolute freedom to pursue your objectives without constraints, and you'll get a front-row seat to the cryptocurrency revolution while we make history.

 

Domain: Fintech ( Cryptocurrency)

Experience: 1-3 years 


What do we expect:


  • Experience with the MERN stack (MongoDB, Docker, Express.JS, React.JS, and Node.JS)
  • Excellent JavaScript skills and strong proficiency in React
  • Experience building backend APIs using NodeJs and ExpressJs
  • Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework, and Redis
  • Experience with Web sockets, KAFKA, and related frameworks
  • Experience with Blockchain-related developments is a plus.
  • Understanding accessibility and security compliance.

What will you do :


The duties and responsibilities of a selected applicant would include:

  • Designing and building scalable applications from end to end.
  • Seeing through a project from conception to finished product.
  • Creating servers and databases for functionality.
  • Ensuring cross-platform optimization for mobile phones.
  • Ensuring responsiveness of applications.
  • Designing and developing APIs.
  • Testing and fixing bugs or other coding issues.


Read more
MySchoolPage
at MySchoolPage
2 recruiters
Souvik Bhattacharjee
Posted by Souvik Bhattacharjee
Bengaluru (Bangalore)
3 - 6 yrs
₹3L - ₹7L / yr
skill iconJava
Hibernate (Java)
skill iconJavascript
skill iconPython
skill iconNodeJS (Node.js)
+5 more
About Us:
We are an online private tutoring service with a dedicated team of experienced tutors from around the world. We were founded in 2014 to meet the growing need of students for non-traditional classroom learning. We emphasize self-discovery, and focus on transformational and independent learning.

Our teaching methods are custom-designed for the specific needs of our students. We offer 1-on-1 online tutoring delivered on our proprietary MySchoolPage Tutoring System- (MTS). Based on the latest cognitive theories for delivering online learning, the system consists of a highly interactive whiteboard and other multimedia tools. This enables students in virtual classrooms to write, speak, draw or discuss lessons.

We're passionate about education as a means of understanding in our world, which in turn propels our motivation to teach.

Responsibilities and Duties
1. Proficiency in Python, NodeJS, React JS, React Native

2. Strong understanding of basic data structures and algorithms.

3. Code in a variety of programming languages like Go, Java, C, Erlang. . You name it and embrace the right tool for the right job.

4. Exposure to AWS - Lambda is desirable.

5. Collaborate on system reliability, architecture and code quality

6. Good at applying right algorithms at the right place

7. Quickly adapt to the technology changes.

Required Experience, Skills and Qualifications
1. Experience as Full Stack developer 3 to 5 years.

2. Experienced with common API authentication methods like OAuth, JWT, etc.

3. Java server side frameworks(Like Spring, Hibernate)

4. know how to architecture and implement the systems and services to scale 1000x.

5. Should be able to handle REST or SOAP services.

6. Deal with Apache Kafka and Apache Spark.

7. Know the servers (AWS or Droplet or Kubernets whatever which work is better).

8. Good written and oral communication skills.

9. Should be a team player with a mind-set that is inclined towards innovation and bringing a difference

10. Must respect diverse culture and believe in technology as a process enabler

11. Should know or have inclination towards learning new techniques and tools for websites.

Location: Bangalore. Currently employees would be requested to work from home due to the Covid situation, but can be asked to come to office for meetings. Hence it is imperative for the selected employee to be physically located in Bangalore. In case, the candidate is not located in Bangalore, they should consider relocation to the city once Covid situation improves.

Immediate Joiners Required.
Read more
Kopykitab
at Kopykitab
1 recruiter
Soumee Biswas
Posted by Soumee Biswas
Bengaluru (Bangalore)
9 - 14 yrs
₹15L - ₹25L / yr
skill iconPHP
MySQL
skill iconMongoDB
skill iconjQuery
skill iconSASS

Essential Duties and Responsibilities:

  • Execute full lifecycle software development
  • Develop, designed well efficient code
  • Integrate software components into a fully functional software system
  • Fully adaptive to the technology needed for the current project

Requirements:

  • Minimum 8 year of strong demonstrated knowledge in PHP, Mysql, Mongodb, Jquery, SASS
  • Algorithms, data structure.
  • Object-oriented programming.
  • AWS/Server experience to handle production machines is a plus.
  • Team Management mandatory
  • Experience on PHP, PHP Frameworks, Ajax, Knowledge on CMS platform like Opencart, payment gateway integration, experience working on portals.
  • Familiarity with software development methodology and release processes.
  • Strong problem-solving skills and excellent communication skills
  • Product based company preferable
  • Startup experience preferable
Read more
samco securities limited
at samco securities limited
9 recruiters
Manali Juwatkar
Posted by Manali Juwatkar
Chennai
4 - 8 yrs
₹4L - ₹8L / yr
Web
skill iconNodeJS (Node.js)
skill iconJavascript
skill iconPHP
skill iconPython
+4 more

Job Description:

 

  1. At least 3+ years’ experience into web front end/full stack development
  1. Proficient in Object Oriented JavaScript programming and working with JS frameworks on both client and server-side
  1. In depth knowledge and working experience in full stack development, for example in Node JS and Mongo DB based implementations as a MEAN stack dev
  1. Experience implementing applications using Sails.JS, Angular or ExpressJS frameworks
  1. Have hands on knowledge in database technologies, preferable NoSQL databases, such as, MongoDB, Cassandra, etc.
  1. Experience with design patterns and building applications from scratch is a plus
  2. Thorough understanding and exposure to API integrations, especially RESTful-based web services in JSON
  3. Continuous integration (Jenkins/Hudson) and version control (bitbucket, Git etc).
Read more
Stratbeans Consulting
at Stratbeans Consulting
1 recruiter
Prasoon Nigam
Posted by Prasoon Nigam
Bengaluru (Bangalore)
2 - 5 yrs
₹4L - ₹10L / yr
skill iconPHP
Yii
MySQL
skill iconAmazon Web Services (AWS)
skill iconAngularJS (1.x)
+1 more
JD Stratbeans' leadership team from IIT and IIM grads, is looking forward to candidates for the position of PHP Technical Lead (TL). If you are an innovative and entrepreneurial technologist stuck in a time loop,working in large/small company, as you dream for an opportunity where your ideas can be realized into elegant software solutions in team work with like minded technologists, Stratbeans is the place for you. We are looking for hands on PHP technologist who should have a knack to lead a team of software developers. We develop web & mobile SaaS software product, like GoPerform (Machine learning based search engine), Atum-Barium Learning Management system, Doctor E learning (E learning Optimization Tool). Our technology in the web/mobile product/service space and we use LAMP based stack over AWS, with PHP, Python, ElasticSearch, AR integration, Oculus Rift VR, NLTK, Tensorflow, Various AI Api for Image Recognition, Text Recognition, Language Translation. TL is expected to take ownership and provide successful business products. Moreover, for TLs who exhibit great performance with us, Stratbeans will be extending stock options and other core group benefits. Goal #1 : A happy client is what we all are working for. What is it like to be a TL at Stratbeans Product team is of small size, Being a small setup roles have flavours like these: Learn from Seniors: You get to report directly to the CTO and learn from his technical and non technical experiences. Shadow sales team head for client session to learn business dynamics. Contribute Ideas : You can suggest with newer product features, improvement in existing technology and upon concensus get to bring those features to life Engage with Client + Show and tell : You lead with the client at all stage of engagement, requirement analysis, technical challenge which are to be solved, showing(-off) new features Performant Software : You need to ensure that product performance and health is always high, by engaging with QA team and also running project to improve Current technology : Make use of all the new age technology to up the stack, be it AI, ML, Cloud, ElasticSearch, Chatbot etc Integrate : Create interesting integration to solve the learning challenge of how to make people learn better or how to have system that can help corporates perform better Social Learning : Attend Conferences and Session to upgrade yourself and bringing those know how to seed newer ideas for Goal #1 above Share Learnings : Learns new technical online and shares it by giving 30 mins knowledge sessions Personal Tech Branding : Create technology blogs for creating a personal branding and presence on our corporate blog. Contribute on GitHub Lead Developers : Creates Software designs before implementation. Then allocates to end developer to work on them Camaderia : Create camaderia with team of great developers we have, run mini hackathons etc Desired Skills Experience 2 - 5 Years experience Location Location : Bangalore Must Have Candidate should be from a demostrable programming background either from CS or by nature of the job the candidate have been part of complex product development solutioning. Professional experience of working in web technology with PHP, with proven examples of successful projects Proficient in Javascript, AngularJS, MySQL Worked on PHP MVC Platforms like YII / Laravel etc Strong analytical and problem solving skills. Irrespective of the language should enjoy doing newer technical problem without being constraint to just PHP Hands on solid grasp on writing test cases unit, functional etc Well versed with SDLC / Agile flow Should be comfortable with Distributed revision control (GIT) / GitFlow (release management) Good to Have Exposure to Android OR iOS development Experience in managing client requirement. Should have managed clients directly and should have extroverted personality Cloud Technologies like: AWS, EC2, RDS, AutoScaling, etc Good if the person knows above DevOps / CI / CD Our product makes use of machine learning / AI Algorithms / AI integrations in the background, and candidate with those experience would be preferred B.S / M.S from Top Institutes like IITs are preferred About Company StratBeans Consulting Pvt. Ltd. is a leading provider Software products like Learning Management Systems(LMS), GoPerform(Machine learning based Search Engine), Doctor Elearning and E learning Content. Our customers include INTEL Japan, Honda Cars, GE Money, SBI Cards, NIIT, Landmark Group, ITC, JCB, Aviva, Maxnewyork Life, ICICI Pru , MPC Dubai, Royal Bank of Scotland , WNS, Metlife, Thomson Reuters, Cognizant , Patni , Unitedlex , Deutsche Postbank , Dominos, Optima , EXL Services, Unitedlex and many other organisations. Our Product in learning space like LMS has served more than .5 Mn users worldwide for secure distribution of training videos , simulations and assessments. It comes with advanced tracking and training management features. GoPerform application is used by banks and credit card companies to provide query answering systems.
Read more
Why apply to jobs via Cutshort
people_solving_puzzle
Personalized job matches
Stop wasting time. Get matched with jobs that meet your skills, aspirations and preferences.
people_verifying_people
Verified hiring teams
See actual hiring teams, find common social connections or connect with them directly.
ai_chip
Move faster with AI
We use AI to get you faster responses, recommendations and unmatched user experience.
Did not find a job you were looking for?
icon
Search for relevant jobs from 10000+ companies such as Google, Amazon & Uber actively hiring on Cutshort.
companies logo
companies logo
companies logo
companies logo
companies logo
Get to hear about interesting companies hiring right now
Company logo
Company logo
Company logo
Company logo
Company logo
Linkedin iconFollow Cutshort
Users love Cutshort
Read about what our users have to say about finding their next opportunity on Cutshort.
Shubham Vishwakarma's profile image

Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
Companies hiring on Cutshort
companies logos