Backend Developer

Role & Responsibilities

Own the Client’s Outcome:

• Embed with enterprise customers – on-site and remotely – to understand their supply chain operations, data estate, and what success actually looks like for their business.
• Scope and design technical solutions for messy, real-world logistics problems – with a clear line to measurable impact: cost per delivery, SLA performance, empty kilometres.
• Own the full deployment lifecycle: architecture through go-live through steady-state. You’re accountable for the outcome, not just the code.

Build and Ship:

• Design, build, and maintain backend services in Node.js or Python that power routing, planning, and execution at enterprise scale.
• Build and own the integrations connecting Locus to client ERPs, TMS, WMS, and OMS platforms – these integrations are often the riskiest part of a deployment.
• Write production code that runs under real load. If it isn’t in production, it hasn’t shipped.

Be the Technical Interface with the Client:

• Run architecture reviews, lead integration workshops, and represent Locus in executive steering meetings. You need to be credible at every level of the client organisation.
• Bring field learnings back into the product and platform teams. Some of Locus’s best features started as a client workaround.
• Push back when a client request would compromise platform integrity – and propose a better alternative.

Show Up On-Site:

• Travel to client sites – domestic and international, up to ~30% of the time – for kick-offs, integration sprints, go-lives, and post-live reviews.
• Build the kind of relationship where the client’s ops lead calls you directly when something goes wrong at 2am, not a support ticket.
• Be comfortable wherever the work is: a warehouse floor, a logistics control tower, a C-suite boardroom.

Make the Next Deployment Easier:

• Document architecture decisions, integration patterns, and deployment playbooks – every engagement should make the next one faster.
• Work closely with Product, Customer Success, and Platform Engineering. Share what you’re seeing in the field; don’t wait to be asked.
• Mentor junior FDEs and raise the technical bar across the team.

Ideal Candidate

• Strong Forward Deployed / Field Engineer
• Mandatory (Experience 1): Must have 5+ years of backend engineering experience with hands-on coding in Node.js or Python, building production-grade systems
• Mandatory (Experience 2): Must have minimum 2+ years in client-facing / deployment-heavy roles, where they worked directly with enterprise customers
• Mandatory (Experience 3): Must have experience shipping and owning production systems end-to-end: From design → build → deployment → post-production support
• Mandatory (Tech Skills 1 - Backend & Systems): Strong in: Node.js or Python (must-have), Building scalable backend services
• Mandatory (Tech Skills 2 - Integrations): Must have experience with: Enterprise integrations (APIs, third-party systems), Systems like ERP / TMS / WMS / OMS
• Mandatory (Tech Skills 3 - Data & Messaging): Hands-on with: Relational + NoSQL databases, Event streaming / queues (Kafka / RabbitMQ or similar)
• Mandatory (Tech Skills 4 - Cloud & Deployment): Experience with: Cloud platforms (AWS / GCP / Azure), Docker + Kubernetes (or containerised deployments)
• Mandatory (Company): Top Product companies / Startups / SaaS / platform companies

Backend Engineer at Reo.Dev : Job Description

[Disclaimer: This is a longish read. However, we felt you might be interested to read in detail, about what you could be doing for the next 5ish years 😊]

Job Function: Backend Engineer

Experience: 2 – 4 years [number of years of experience is not a filter]

Salary and Incentives: Open for discussion

Location: Bangalore, India [Hybrid work - Remote + Office]

👋 Meet Reo.Dev

• Reo.Dev was founded in January 2023. So we are quite young 😊
• Reo was started by Achintya, Gaurav and Piyush – All of them have successfully built companies before [more on the Founding team below]
• We are building a Revenue Operating System for the Developer Focussed Companies (Think of us like a 6sense.com for Dev Focussed Companies).
• What we are building is quite innovative. Currently, no other company offers the capabilities Reo.Dev is building
• We recently closed our Seed round with top early stage investors (not disclosed yet)

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)

• 5+ years of experience
• FlaskAPI, RestAPI development 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

Python Backend Developer (5+ years experience)

We are seeking an experienced Python Backend Developer with at least 5 years of hands-on experience in Python and Django development. The ideal candidate will have a strong background in MySQL and MongoDB databases, as well as knowledge of HTML, CSS, JavaScript frameworks, and cloud technologies like AWS, Azure or Google Cloud.Key Responsibilities:

• Design and develop scalable, high-performance Python applications using the Django framework
• Write clean, maintainable, and well-documented code
• Optimize database queries and schema design for improved performance
• Integrate applications with various APIs and third-party services
• Collaborate with cross-functional teams to gather requirements and deliver solutions
• Participate in code reviews, testing, and deployment processes
• Continuously learn and stay updated with the latest technologies and best practices

Required Skills and Experience:

• Bachelor's or Master's degree in Computer Science, Information Technology or a related field
• 5+ years of professional experience in Python and Django development
• Proficient in MySQL and MongoDB databases, with the ability to write complex queries and optimize database performance
• Hands-on experience with HTML, CSS, and at least one JavaScript framework (e.g., React, Angular, Vue.js)
• Knowledge of cloud technologies like AWS, Azure, or Google Cloud is preferred
• Strong problem-solving and algorithmic skills
• Excellent communication and teamwork skills
• Passion for continuous learning and innovation

Preferred Qualifications:

• Experience in developing and deploying applications on cloud platforms
• Knowledge of containerization technologies like Docker and Kubernetes added advantages

What You'll do:

• 2-5 years of experience building scalable backends using Python
• In-depth knowledge of Python/Django or Flask
• Familiar with oauth integration Social Networking API (Facebook, Twitter, Linked In, Google+)
• Experience integrating with mobile Apps
• Django/Flask permissions model, caching, async mechanisms
• Understanding of caching, database interactions
• Able to engineer the best performing solutions and always keeping scalability in mind

What makes you a great fit:

• Strong problem solving skills
• Knowledge of data structures and algorithms
• Hungry for more responsibility and knowledge
• Passion for building robust systems that are engineered to handle failure scenarios, an undying love and attitude for maintaining coding standards
• Strong advocate for producing quality software who makes sure issues are raised and resolved
• Experience with at least one of the cloud platforms like AWS, GCP, Azure, Digital Ocean etc. (docker, Kubernetes, microservice good to have)

Must have skillsets:

Skills : Python/ Django or Flask

Experience required: 3 -5 years

Job Type: Full time/ Permanent

Perks and Benefits :

• 5 days working.
• Flexible shift timings
• Company-sponsored certifications.
• Team friendly culture
• Flat hierarchy
• Carrom, Table tennis games, Cricket Tournament Participation for interested employees
• Snack-filled pantry for team members
• Group Medical Insurance (*)

Should be highly Technical and hands-on experience in Artificial Intelligence and Machine learning and Python. Managing the successful delivery of projects by efficient planning and coordination.

KEY RESPONSIBILITIES OF THE POSITION :

• Create Technical Design for AI, Machine Learning, Deep Learning, NLP, NLU, NLG projects and implement the same in production.
• Solid understanding and experience of deep learning architectures and algorithms
• Working experience with AWS, most importantly AWS SageMaker, Aurora or MongoDB, Analytics and reporting.
• Experience solving problems in the industry using deep learning methods such as recurrent neural networks (RNN, LSTM), convolutional neural nets, auto-encoders, etc.
• Should have experience of 2-3 production implementations of machine learning projects.
• Knowledge of open-source libraries such as Keras, Tensor Flow, Pytorch
• Work with business analysts/consultants and other necessary teams to create a strong solution
• Should have in-depth understanding and experience of Data Science and Machine Learning projects using Python, R, etc. Skills in Java/C are a plus
• Should developing solutions using python in AI/ML projects
• Should be able to train and build a team of technical developers
• Desired to have experience as leads in designing and developing applications/tools using Microsoft technologies - ASP.Net, C#, HTML5, MVC
• Desired to have knowledge on any of the cloud solutions such as Azure or AWS
• Desired to have knowledge on any of container technology such as Docker
• Should be able to build strong relationships with project stakeholders

Keywords:

• Python
• Artificial Intelligence
• Machine Learning
• AWS
• Django
• NLP

Responsibilities

Write effective, scalable code

Develop back-end components to improve responsiveness and overall performance

Integrate user-facing elements into applications

Test and debug programs

Improve functionality of existing systems

Implement security and data protection solutions

Assess and prioritize feature requests

Coordinate with internal teams to understand user requirements and provide technical solutions

Requirements

Work experience as a Python Developer

Expertise in at least one popular Python framework (experience in Flask preferred)

Knowledge of object-relational mapping (ORM)

Familiarity with front-end technologies (like JavaScript and HTML5)

Team spirit

Good problem-solving skills

BSc in Computer Science, Engineering or relevant field