Principal RoR Developer

Required Skills & Qualifications

• 5+ years of professional web development experience, with 3+ years focused on Shopify.
• Strong proficiency in Liquid templating language and Shopify’s theme architecture.
• Experience with Shopify APIs (REST & GraphQL) and building private or public apps.
• Strong frontend development skills: HTML5, CSS3 (SCSS), JavaScript (ES6+), and React or Vue.js.
• Deep understanding of Shopify's checkout process, cart mechanics, and store configuration.
• Experience working with Shopify Plus features like checkout.liquid, multi-store setup, and scripts.
• Solid understanding of web performance, accessibility, and SEO best practices.
• Experience with Git, CI/CD pipelines, and Agile development workflows.
• Ability to work independently and lead projects from concept to completion.

Nice to Have

• Experience with Headless Shopify implementations using Hydrogen or Next.js.
• Familiarity with Shopify Functions, custom checkout extensibility, and Shopify’s new App Bridge.
• Prior experience working with international stores, multiple currencies, and languages.
• Understanding of backend systems (Node.js, PHP, or Ruby) for custom app integrations.
• Contributions to the Shopify developer community or open-source projects.

Wednesday is a digital agency. We work with startups and enterprises to build digital products for their users.

At our core, we are a group of makers - designers, developers, product & project managers. We care about our work and think of it as a craft. We're always learning so we can build better and faster.

As a Technical Lead, your time will be divided between programming and technical oversight.

Core Responsibilities

• Code Reviews: Review all pull requests to ensure features are built correctly following the conventions and guidelines of the project.
• Communication: Work with your team to ensure they understand all the requirements clearly.
• Architecture: Have a clear picture of the system architecture in mind. Lead your teams to implement that design.
• Learn: Learn from the practices followed by other teams and evangelize your learnings.

Skills Required

• Technical expertise with our tech stack - JS, Nodejs, React, and AWS.
• Understanding of Agile processes and methodologies.
• Understanding of the continuous software delivery process using CD.
• The ability to debug corner cases, hypothesize and fix bugs.

•  Developing both frontend and backend of application using technologies like Java,   Angular, JavaScript, HTML5.
•  Designing user interactions on web pages.
•  Designing and Developing back end API's and databases.
•  Meeting both technical and customer’s needs.
•  Seeing through a project from conception to finished product.
•  Take complete ownership of the project and deliver with good quality.
•  Staying abreast of developments in web applications and programming languages.

• Relevant experience of 8+ yrs
• Strong communication, organizational skills. Good in Agile, Scrum, Dev-Ops practices.
• Proficiency with fundamental front end languages such as HTML5, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular, React and Amber.
• Proficiency in Java, Springboot, Microservices
• Familiarity with database technology such as PostgreSQL, MySQL, Oracle and MongoDB.
• Good in writing quality code and Unit Tests. Good knowledge of DevOps practices.
• Excellent verbal communication skills.
• Good problem solving skills

Job Responsibilities:

• Be a part of a team developing a rapidly growing product used by thousands of small businesses.
• Responsible for building large scale applications that are high performance, scalable, and resilient in an microservices environment
• Evaluate new technologies and tools such as new frameworks, methodologies, best practices and other areas that will improve overall efficiencies and product quality

Skill Set:

• 3+ years of working experience in developing API centric core Java/J2EE applications using Spring boot, JPA, REST API, XML and JSON
• Experience in frontend framework - any one of Backbone, Angular, Vue or React
• Working experience in any one of the Cloud Platforms - Google Cloud (preferable) or AWS
• Experience in large scale databases - NoSQL and MongoDB.
• Hands on experience in Eclipse based development and using Git, SVN, Junit
• Past experience in startups or product development is a big plus.

• Own and implement features used by large customers like Truecaller, Mozilla, Zomato, Netflix, etc.
• Performance, Security and Usability goals are in DNA.
• Full ownership and accountability of Microservices which includes day-to-day operations and maintenance.
• Business and technical Metric definitions and reviews.
• Drive CI & CD Evaluate technologies and development stacks for API-based platform which scales to 100,000 transactions per second.
• Perform push-button deployments of any version of the software to any environment on demand.
• Design and build web apps that are scalable and puts user experience front and center.
• Develop modular UI components for company-wide reuse.
• Evolve a common design language for UI across apps.
• Establish and advocate front-end coding guidelines.
• Meld UX and great-looking UI while keeping excellent code quality.
• Own end-to-end life cycle of the product from requirement analysis, design, development, test, release, and maintenance.
• Develop reusable tools/libraries
• Identify opportunities for automation and collaboration points.
• Continuously improve cycle time, throughput, and code quality.
• Continuously improve value-adding-activities/non-value-adding activities ratio.

• 4 - 6 years of experience in large-scale distributed systems.
• Proficient in Python/Golang/Java/ http://node.js/">Node.js 
• Understanding of CSS, Advanced Javascript, http://vue.js/">Vue.js, http://react.js/">React.js, and other web technologies.
• Understanding of Rest based API Architecture
• Writing high-performance, reliable and maintainable code.  
• Excellent microservices pattern understanding.  
• Ability to define cross-core contracts and bring them to closure through collaboration.
• Good knowledge of database structures, theories, principles, and practices.  
• Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].
• Analytical and problem-solving skills  
• Good aptitude in multi-threading and concurrency concepts.  
• Working knowledge of Git and proficiency with at least one build server: Jenkins/Travis/Bamboo.
• Good to have a telecom background

About Armentum

We are an IT Services and Product Development company, headquartered in Bangalore, that develops ERPs, Mobile Apps, and Web-Apps for our clients and customers globally.

We love JS and working on React, Node and Angular!

At Armentum, we have ensured that our teams are stable, there is no politics and no-blame game culture. If something goes down, the PM's take the lead, and then they drill down on what can be improved v/s who did the mistake etc. So culture wise, we are also looking for resources who can gel well with us. We do not believe in passing on the hot-potato. :)

Our Engineering team is looking for a Full-Stack Engineer to join our base in Bangalore, KA. Your key role will be able to work on complex tasks and projects, and be able to support to increase the engineering churn out. You should be able to write code that is error free, be able to quickly understand the problem statement and come up with logical solutions.

What you bring to the table:

• Experience in independently managing End-to-End Implementation, Design and Development of IT Projects and Products (Apps and Web-Apps)
• Experience converting Business Cases to Technology case and Building Products from scratch
• Experience in Training team and grooming them, undertaking managerial tasks such as Quarterly Skills Meeting, and Profile Evaluation, GAP Analysis
• Experience in Providing inputs to Project Budgeting, Efforts Estimations (EE), Technology Decks,
• Experience in Writing Test Cases and Managing UAT and Deployment Cycle (Automation Testing)
• Working with Client to understand provide Consulting or Business Solutions, Problem Solving Approach and Skills, Strong Analytical Skills, should be able to read between the lines
• Interacting with the Technical/Engineering team to ensure Delivery and Implementation of the Software Solution/Projects
• Client Relationship Management, Excellent at English Speaking, and Written Communication
• Understanding of Change Management, Risk Management and Project Management
• Experience working with US Clients is a Must
• Experience and Exposure working with different projects and business models will be an advantage
• Understanding of Blockchain, Healthcare, HIPAA Compliances, RPA, Payments Services, DevOps will be an asset

Management and Soft Skill :

• Excellent Written and Oral Communication Skills and Etiquettes - MUST
• Excellent Presentation Skills -
• Experience in working with Onshore and Offshore Teams and Experience handling Cross-Functional Projects, Resources and Clients and ability to provide inputs to improving ODCs (Off-shore development centres)
• Experience dealing with Pressure and Meeting strict Project Deadlines - MUST
• Leadership and Motivational Skills to ensure the Work is being done by the Resources on time and within the specified budget - MUST
• Conflict and Resolution Management – MUST

Qualifications:

• 7 -10 years of overall experience
• Experience of working on Mobile & Web Applications (across Android & iOS)
• Strong understanding of Java & MERN/ MEAN stack - Angular/Node/React/ Vue
• Ability to create APIs in REST, and GraphQL understanding of JSON, XML, Websockets, SOAP, COBRA
• Good to have experience of Office 365 - SharePoint and ASP.Net
• Understanding of Database: MySQL, MongoDB, Oracle, PostGres
• Understanding of Project Management: Agile/Scrum, Waterfall both is fine
• Previous experience of working in FinTech, eCommerce, Enterprise Projects, C2C, B2C, B2B Apps will be an added advantage