
Key Responsibilities:
- Design, develop, and maintain full-stack applications using Python and React.
- Collaborate with designers, product managers, and other developers to build user-friendly interfaces and seamless APIs.
- Optimize applications for maximum speed and scalability.
- Write clean, maintainable, and well-documented code.
- Debug and resolve technical issues promptly.
- Implement unit and integration tests to ensure high-quality deliverables.
- Stay updated with the latest industry trends, tools, and technologies.
- Participate in code reviews and contribute to team best practices.
Required Skills and Qualifications:
- 3–5 years of hands-on experience with Python and React.
- Strong understanding of JavaScript, ES6+, and TypeScript (preferred).
- Proficient in building RESTful APIs and integrating with frontend frameworks.
- Experience with state management libraries (e.g., Redux, Context API).
- Familiarity with databases such as MongoDB, PostgreSQL, or MySQL.
- Experience with modern build tools and package managers like Webpack, Babel, NPM, or Yarn.
- Hands-on experience with version control tools, particularly Git.
- Knowledge of containerization and CI/CD pipelines is a plus.

About Euphoric Thought Technologies
About
Similar jobs
Strong Senior Backend Engineer profiles
Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D
Mandatory (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS, are highly preferred)
Experience in Python (Only Backend), Data structures, Oops, Algorithms, Django, NumPy etc.
• Good understanding of writing Unit Tests using PYTest.
• Good understanding of parsing XML’s and handling files using Python.
• Good understanding with Databases/SQL, procedures and query tuning.
• Service Design Concepts, OO and Functional Development concepts.
• Agile Development Methodologies.
• Strong oral and written communication skills.
• Excellent interpersonal skills and professional approach Skills desired.
• Experience in design and development of Full Stack applications using one or
more JS frameworks like ReactJS
• Good architectural & design skills.
• Strong coding, data structures, and algorithms skills
• The ability to own end-to-end responsibility - right from the requirement to
release.
• The ability to produce bug-free and production-grade code.
Key Deliverables:
• Lead the team by example.
• Help design and code highly scalable and secure systems
• Work with a performance-oriented team driven by ownership and open to
experiments.
• Build stable and scalable applications that are unit and integration tested.
• Learn & Develop Leadership skills
• Understanding of CI/CD process and using Docker
TECHNICAL COMPETENCIES REQUIRED:
• Node.js, ReactJS. Experience building microservices (REST APIs) using
Node.js
• AWS experience integrating technologies like SQS, SNS, SES, Lambda, API
Gateway, Cognito
• Experience with one or more RDBMS databases like MySql, PostgreSQL
• Experience with one or more NoSQL databases like MongoDB, Cassandra,
DynamoDB, Aerospike, Elastic Search, Redis, neo4j, etc.
• Caching technologies like: Redis, Elastic cache,
• Cloud Providers like AWS/ Google Cloud / Azure
• CI / CD: Jenkins, Docker, Kubernetes
As a Backend Developer, you will work on the latest and greatest in high performance
web development, data science, community development and mobile technologies.
What you will do:
- Playing a part in defining software architectures – collaborate with leads to explore existing systems, determine areas of complexity, uncover potential risks to successful implementation, and learn the applications’ capabilities.
- Implementing solutions as per technical design for new features and changes to existing components.
- Participating in the full development lifecycle of new functionality and enhancements to existing applications.
- Committing to producing high quality, highly performing and robust software within agreed time estimates and to agreed quality standards.
- Managing all stakeholder expectations.
- Working alongside global teams.
- Taking responsibility for successful delivery.
- Being able to work in a fast paced Agile/SCRUM environment.
- Following coding standards, building appropriate unit tests, integrating tests and deployment scripts.
- Assisting in defining software architectures – Collaborating with leads to explore existing systems, determining areas of opportunities.
- Translating designs and style guides provided by the Design team into functional user interfaces, ensuring cross browser compatibility and performance.
- Contributing to continual improvement by suggesting improvements to user interface, software architecture or new technologies.
What you need to have:
- Ability to fluently code in Java Spring or similar J2EE frameworks.
- Solid knowledge of application deployment in AWS cloud, Kubernetes, Docker.
- Ability to code in ReactJS or similar Javascript frameworks.
- Proven experience with responsive design, fullstack web development, consumption/creation of RESTful APIs.
- Bachelor’s or Master’s degree in Computer Science or related engineering field w/experience in software development.
- 3-7 years of experience developing customer facing web applications.
- 3-7 years of experience in Java Spring or similar J2EE frameworks.
- 3-7 years of experience in front-end development using JavaScript, knowledge of various JavaScript libraries and micro frameworks (React, Angular, Backbone), HTML and CSS.
- 3-7 years of experience coding using object-oriented and aspect-oriented programming, architecture and design patterns.
- Strong understanding of RESTful API principles.
- Strong understanding of security best practices.
- Strong experience with unit testing and end-to-end testing.
- Knowledge of : Programming languages Java 8, J2EE, Node.js, Design Patterns, HTML, CSS, JavaScript Web and cloud Technologies RESTful web services, Cloud functions, Amazon Web Services, SEO/ Sitemap, Serverless
- architecture, JSON Database Management MySQL, PostgreSQL, Elasticsearch, Firebase realtime database, Hibernate, Liquibase, Percona, Redis, Memcached Frameworks, Libraries and Tools Dropwizard, Jersey,
- Expressjs, RabbitMQ Web / Application Server Nginx Other Tools and Utilities Eclipse, VS Code, Postman, Git, Gradle, Maven, Imagemagick, Jmeter Operating Systems Linux, Windows.
- Experience in implementing Material Design UI and UX for customer centric frontend.
Expertise in Angular JS, Node JS, React JS.
What we are looking for:
Strong Coding and design skills
Good command over Data Structures & Algorithms
The ability to produce bug-free and production-grade code
Skills we consider: MYSQL, Python, Django, MongoDB, React.JS, Angular.JS, D3.Js, Node.js, Express.JS, InfluxDb, Redis, Kafka, Garafana, Elastic Search, Docker, AWS, Java, Spring Boot, C++
Key Deliverables:-
1. Develop a very high sense of ownership, the zeal to build scalable applications
2. Develop a deep understanding of the start-up ecosystem
Work with a performance-oriented team driven by ownership and open to experiments
3. Build a customer-facing technology product for global customers
Design and develop end to end applications with very high quality
What we have to offer:-
1. Work with a performance-oriented team driven by ownership and open to experiments
2. Learn to design systems for high accuracy, efficiency, and scalability
Focus on delivering quality work within deadlines.
3. Candid culture. No politics.
4. As a team, we value ownership, continuous learning, consistency, and discipline.
Locus is a global decision- making platform in the supply chain that uses deep learning and proprietary algorithms to provide route optimization, real-time tracking, insights and analytics, beat optimization, efficient warehouse management, vehicle allocation and utilization, intuitive 3D packing and measurement of packages. Locus automates human decisions required to transport a package or a person, between any two points on earth, delivering gains along efficiency, consistency, and transparency in operations.
Locus, which has achieved a peak of 1 million orders processed in a day (200,000 orders an hour) and is trained & tested on over 100 million+ order deliveries, works in 75 cities across the globe. Locus works with several large-scale market leaders like Urban Ladder, Tata Group of Companies, Droplet, Licious, Rollick, Lenskart, other global FMCG, pharma, e-commerce, 3PL and logistics conglomerates.
Locus is backed by some of the biggest names in the market and recently raised $22 MN in Series B funding and also $4 Mn in a pre-Series B round. Earlier, In 2016, Locus raised $2.75 Mn (INR 18.3 Cr) in a Series A funding.
Locus was started by Nishith Rastogi and Geet Garg, two ex-Amazon engineers on a mission to democratize logistics intelligence for businesses across industries. Nishith was profiled by Forbes Asia in their ’30 Under 30’ 2018 list. Geet, on the other hand, holds a dual degree (BTech and MTech) in Computer Science and Engineering from the Indian Institute of Technology. Our team constitutes of engineers from Indian Institute of Technology and Birla Institute of Technology & Science- Pilani, and Data Scientists with PhDs from Carnegie Mellon University and Tata Institute of Fundamental Research. Our multifaced product and business team is led by senior members from Barclays, Google & Goldman Sachs with immense operational execution experience.
Job Description
- Design & implement backend APIs at Locus.sh
- Mentor junior developers technically.
- Actively work to reduce tech debt in the Locus backend
- Work towards more stability & scalability of the backend
- Tech stack - Java, AWS, Aurora etc.
Eligibility
- 4-8 years of product company experience
- OOP implementation experience. Programming language does not matter, We use Java internally but have hired folks from non Java background.
- Hands on experience in SQL, Dynamo DB, Postgres etc preferred.
- Prior experience building REST APIs
- Advanced understanding of AWS stack
- Prior knowledge of solving problems at scale.
Perks:
- Healthy catered meals at office
- You decide your own Work From Home (WFH) and Out Of Office (OOO)
- Pet-friendly - bring your pets to the office any day. Locus family already has a Rottweiler and a Beagle








