Fullstack Developer

We’re looking for a Full Stack Software Engineer to help build GenAI applications for the energy industry. You’ll have end-to-end ownership of features, building APIs, data pipelines, and integrating AI/ML models, alongside some of the best engineers in energy tech. If you’re naturally curious, full stack-savvy, and eager to learn new skills, you’ll thrive here.

The Team:

Join our agile software engineering team at the forefront of energy innovation. You’ll collaborate on prototyping and implementing cutting-edge solutions that drive our mission to shape the future of energy.

What You’ll Do:

• Design and implement user-facing features using React/TypeScript integrated with Python backends.
• Build RESTful APIs and microservices powering GenAI applications.
• Develop and maintain data processing workflows using AWS services (S3, Lambda, DynamoDB, OpenSearch).
• Take features from concept to production—frontend, backend, database, deployment.
• Integrate and optimize AI/ML models, including LLMs and agentic workflows.
• Work in a modern engineering environment: CI/CD, automated testing, code reviews, continuous improvement.

What You Bring:

Required:

• Bachelor’s in Computer Science or related field.
• 3+ years of software development experience with full stack exposure.
• Strong Python and TypeScript skills; experience building APIs/backend services.
• Proficiency in modern frontend frameworks (React, Vue, Angular) and TypeScript.
• Hands-on experience with AWS services (S3, Lambda, DynamoDB, API Gateway).
• Knowledge of relational (PostgreSQL/MySQL) and NoSQL databases.
• Familiarity with CI/CD pipelines, containerization (Docker/Kubernetes), and Git.
• Solid foundation in data structures, algorithms, and system design.
• Excellent English communication skills for cross-team collaboration.

Bonus Points:

• Experience with GenAI/LLM applications or agentic AI systems.
• Knowledge of the energy industry or B2B SaaS products.
• Contributions to open-source projects.
• Experience with infrastructure-as-code (Terraform, CloudFormation).

What Makes You Successful:

• Ownership mindset: Pride in delivering and maintaining high-quality features.
• Curiosity: Eager to learn and stay current with technology trends.
• Pragmatism: Balance innovation with practical, business-focused solutions.
• Independence: Work autonomously while collaborating when needed.
• Adaptability: Thrive in a fast-paced, dynamic environment.

About Us

Wednesday is a technology consulting and engineering firm based in Pune. We specialise in helping digital-first businesses solve complex engineering problems. Our expertise lies in data engineering, applied AI, and app development. We offer our expertise through our services: Launch, Catalyse, Amplify, and Control.

We're a passionate bunch of people who take their work seriously. We deeply care about each other and are united by the cause of building teams that delivery great digital products & experiences.

Job Description

Wednesday is a technology consulting and engineering firm based in Pune. We specialise in helping digital-first businesses solve complex engineering problems. Our expertise lies in data engineering, applied AI, and app development. We offer our expertise through our services: Launch, Catalyse, Amplify, and Control.

We're a passionate bunch of people who take their work seriously. We deeply care about each other and are united by the cause of building teams that delivery great digital products & experiences

Wednesday works with customers with a high amount of autonomy. We own problem statements and work with them to provide simple solutions to complex and challenging problems. You will be responsible for front-end architecture, delivery and innovation across all pods at Wednesday.

Key Responsibilities:

• Collaborate with UI/UX designers to develop responsive web applications.
• Build, test, and deploy frontend interfaces using React.js.
• Work on fullstack development, integrating frontend with backend (Node.js).
• Optimize applications for performance and scalability.
• Troubleshoot and resolve issues in both frontend and backend.

Skills Required:

• Proficiency in React.js, HTML, CSS, JavaScript.
• Basic knowledge of backend technologies (Node.js, Express.js).
• Familiarity with RESTful APIs and databases (MongoDB or MySQL).
• Version control (Git/GitHub).
• Strong problem-solving skills and teamwork.

Nice to Have:

• Familiarity with cloud services (AWS, Azure).
• Building developer libraries and SDKs.

Benefits

• Mentorship: Work next to some of the best engineers and designers.
• Freedom: An environment where you get to practice your craft. No micromanagement.
• Comprehensive healthcare: Healthcare for you and your family.
• Growth: A tailor-made program to help you achieve your career goals. Click here to read more about our career ladder.
• A voice that is heard: We don't claim to know the best way of doing things. We like to listen to ideas from our team.

Minimum Qualifications

• Excellent problem-solving skills and the got right attitude to work in fast paced environments
• Bachelor’s degree in computer science or equivalent practical experience
• 2 to 5 years of experience in software development using modern frontend frameworks in JavaScript/TypeScript.
• Strong understanding of data structures and algorithms.

Preferred Qualifications

• Strong in Object Oriented Programming and Design Patterns.
• You have experience of working closely with the product and design teams to deliver the product that materially impacts the business and improves the customer experience
• You follow SOLID principles and have experience with microservice architecture, have designed and implemented high performance scalable services/APIs.
• You have experience with component based architectures, PWA, Service workers, UI patterns and libraries most preferably ReactJS / NextJS
• Write client side high performant applications & develop prototypes
• Experience working with Node, NestJS / Express.
• Experience working with PostgreSQL, Redshift, Dynamo, Mongo and Cassandra databases.
• Experience working with RabbitMQ, Kafka.
• You constantly learn and adopt best practices at work, keeping in mind app performance, security, and scalability.
• You have experience working in distributed systems and built/designed systems to failover, event streaming, caching strategies
• You have experience with Docker/Kubernetes in AWS or any cloud computing platforms. And, are familiar with CI/CD processes.

Bonus if you are great communication and team collaboration skills.

• Experience in .Net Core, MVC framework, WebAPI
• Deep understanding of programming principles and OOPS concepts.
• Strong Coding Discipline
• Comprehensive knowledge on Good Practices, Coding guidelines, General Programming Paradigms
• Excellent verbal communication skills and good interpersonal skills.
• Good experience in Error handling & debugging techniques
• Strong Logical, analytical & problem solving skills
• Ability to build well maintained libraries & tools based on the business needs
• Experience in mentoring the teams and helping them
• Azure / AWS DevOps knowledge is desirable but not a must.

What you need to have: 

Regarding the job role: 

The Senior Developer is responsible for running the day to day operations of a group of developer/s. The individual should exhibit proven experience on our technology stack and product. Our technology stack is primarily written in React, Node + Express with Apollo, GraphQL, Typescript and MySQL on AWS Cloud Services.

Responsibilities:

• Contribute at a senior level to the development process.
• Own the product development lifecycle with the team.
• Work closely with the subordinates both at the technical as well as troubleshooting and problem solving.
• Manage developer allocations on tasks to best utilise time and resources.
• Work with Product Managers and the team to ensure that commitments are met.
• Responsible for the quality of work completed.
• Ability to do code reviews and maintain the quality standards. 
• Ability to conduct manual server deployments and automate the same. 
• Mentor and stimulate team member career growth.

Qualification:

BE/ME in Computer Science, Information Technology or a related subject, MCA, MSc(IT) or equivalent degree.

Required Skills:

• 4-6 years of proven software development experience with React, Node/Express, CSS/Bootstrap, HTML5 and MySQL or any RDBMS Server.
• Experience in TypeScript, GraphQL, TypeORM, styled components.
• Familiarity with Webpack and bundling the web applications for server deployment.
• Experience using AWS Toolchain or any other public cloud providers.
• Familiarity with shell scripting to automate deployment processes. 
• Ability to write robust, maintainable applications.
• Ability to build and work with distributed, high-volume backend services.
• Have a great understanding of system design, data structures, object-oriented programming and software engineering principles.
• You should have experience in identifying, debugging and resolving complex production issues.
• Awareness of continuous deployment tools such as Jenkins or other DevOps tools will be an advantage.
• Well versed with agile methodologies and continuous development / integration approaches. 
• People management/mentoring experience is required.

Role & Responsibilities

• A Proven work experience as a Ruby on Rails developer with good understanding of Java script, jQuery, HTML, CSS. The individual will need to be hands on with development, performance optimisation, secure development process, usability, and coding standards of the product.
• Strong ROR development experience and follows best practices (test-driven development, continuous integration, SCRUM, refactoring, and code standards).
• Should have a mix of excellent reasoning ability to document, develop and test software with the commitment to excellence and defect free product before being deployed.
• Should be able to work closely with all stakeholders to investigate, fix, optimise, test, and deploy high quality solutions.
• Should have hands on understanding of technical design, implementation, and maintenance of technical initiatives towards improving and scaling of products.
• Self-motivated and should rapidly incorporate new requirements and deliver successfully by self.
• Effectively communicates with peers and stakeholders, gathers and clarify requirements from technical & functional aspect.

• Follows software development process; consistently innovates processes to improve individual and team productivity and quality.
• Strong Analytical, Problem Solving Skills and participates in all activities with urgency, should be result oriented and with strong work ethic.
• Experience with Agile development lifecycle with excellent understanding of feature estimation and ability to communicate issues and risks that may impact timelines or resources.

Desired Candidate Profile

• 4+ years of IT experience.
• At least 4 years commercial web development experience.
• At least 3 years of Ruby on Rails commercial development experience.
• Familiarity with Relational and Non Relation Databases ( Postgres, Mysql, MongoDb)
• REST API development.
• Familiarity with In Memory Database ( Redis, Memcache )
• Web development - HTML, HTML5 JavaScript, AJAX, CSS, jQuery, http, REST.
• AGILE/SCRUM development Experience.
• Development practices - Rails test framework / TDD / BDD, Domain Driven Design, SOLID, refactoring, OOP design patterns
• Expertise in version control system ( GIT )
• Candidate need to be comfortable dabbling with some basic infrastructure management on AWS.
• Familiarity with ( React, Vue ) is a plus.

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).