
Product Engineer
Product Engineer | Fibr.ai
Bengaluru · In office · 2-6 years Stack: Python · FastAPI · Temporal · PostgreSQL · MongoDB
The role Fibr is building the agentic web experience layer - turning every URL into an intelligent agent that senses intent, makes decisions, and adapts in real time. Our agents personalise the full journey, running long LLM workflows against live customer accounts and millions of sessions.
You'll own features end-to-end - from the rough idea in a Slack thread to something shipped, instrumented, and behaving correctly in production. New surface areas land on your plate every few weeks: a new agent, a new integration, a new optimization loop. You're responsible for the whole thing, including the evals and metrics that prove it works. You'll work directly with the founding team and ship to real users every week.
What you'll do Ship AI-powered features end-to-end - backend, data, LLM layer, and the surface the user sees Design long-running workflows that hold up against rate limits, partial failures, and noisy third-party APIs Build and maintain the evals, guardrails, and instrumentation that decide whether a feature is good enough to ship Model the data behind agents and the analytics behind product decisions Sit in on architecture calls and shape where the platform goes next
Must-haves 2-6 years of production backend experience Has shipped LLM-powered features to real users in production - not demos, not side projects. Be ready to talk about what broke and how you fixed it Has built and run evals for LLM systems. Show us the harness, the dataset, and the decisions it drove Comfortable across relational and document databases Has worked with a durable workflow or queue system in production Ships fast without breaking the build Nice-to-haves RAG, vector stores, or tool-use / multi-step agents in production Experience with rate-limited third-party APIs at scale (ad platforms, CRMs, analytics) Strong product sense - you catch the UX issue before the user does Time spent at an early-stage startup
How we work High ownership, low bureaucracy. Decisions in the room, not in docs. You'll work directly with the founding team.
Why Fibr AI Competitive salary + meaningful early-stage equity A chance to build deep expertise at the frontier of AI product

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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
· Design, develop, and implement AI/ML models and algorithms.
· Focus on building Proof of Concept (POC) applications to demonstrate the feasibility and value of AI solutions.
· Write clean, efficient, and well-documented code.
· Collaborate with data engineers to ensure data quality and availability for model training and evaluation.
· Work closely with senior team members to understand project requirements and contribute to technical solutions.
· Troubleshoot and debug AI/ML models and applications.
· Stay up-to-date with the latest advancements in AI/ML.
· Utilize machine learning frameworks (e.g., TensorFlow, PyTorch, Scikit-learn) to develop and deploy models.
· Develop and deploy AI solutions on Google Cloud Platform (GCP).
· Implement data preprocessing and feature engineering techniques using libraries like Pandas and NumPy.
· Utilize Vertex AI for model training, deployment, and management.
· Integrate and leverage Google Gemini for specific AI functionalities.
Qualifications:
· Bachelor’s degree in computer science, Artificial Intelligence, or a related field.
· 3+ years of experience in developing and implementing AI/ML models.
· Strong programming skills in Python.
· Experience with machine learning frameworks such as TensorFlow, PyTorch, or Scikit-learn.
· Good understanding of machine learning concepts and techniques.
· Ability to work independently and as part of a team.
· Strong problem-solving skills.
· Good communication skills.
· Experience with Google Cloud Platform (GCP) is preferred.
· Familiarity with Vertex AI is a plus.
Job Responsibilities
- Should have experience in Software Product Development at an enterprise level. .
- Analyze requirements and come up with possible solutions to solve the problem, evaluating and capturing necessary tradeoffs
- Build and improve newest services and ensure that they are well tested and released quickly and often to our customers
- Debugging capabilities and identify the root cause of the problem and fix them.
- Influencing the architecture of an application.
- Design and implement cloud based high-performance, highly available services to cover customers’ high demands and big data volumes
- Maintain rapid deployment pipelines and observability of the services to support operations/troubleshooting.
- Think about security of the whole technical stack and processes to ensure customers’ data is safe
- Take care of all aspects of the product: from implementation, through testing, to operations.
Job Requirements
- Proficiency in Python programming
- Mandate experience working as a Python Developer with Django.
- Should have good experience in Flask, numpy and pandas
- Should have good experience in REST API development with Django.
- Have In-depth understanding of Object Oriented Programming ( OOPs ) concepts.
- Are Able to create Database Schemes that represent and support business processes.
- Should have good understanding of Agile frameworks such as Git, Jenkins etc.
- Must have experience working on MySQL, HTML, CSS, JavaScript & jQuery.
- Must have experience with Web Servers e.g. Nginx, Apache.
- Good to have AI/ML/Data science certification.
- Must be a fast learner and comfortable teaching yourself new skills and can thrive in a complex and fast-paced environment.
- Positive attitude and excellent communication as well as written skills
This person MUST have:
- B.E Computer Science or equivalent
- 5 years experience with the Django framework
- Experience with building APIs (REST or GraphQL)
- Strong Troubleshooting and debugging skills
- React.js knowledge would be an added bonus
- Understanding on how to use a database like Postgres (prefered choice), SQLite, MongoDB, MySQL.
- Sound knowledge of object-oriented design and analysis.
- A strong passion for writing simple, clean and efficient code.
- Proficient understanding of code versioning tools Git.
- Strong communication skills.
Experience:
- Min 5 year experience
- Startup experience is a must.
Location:
- Remote developer
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period.
- 2+ years of Hands-on experience in Python, Django, Flask, Bottle, Design Patterns, Web Services (SOAP/HTTP, REST APIs)
- 2+ years of hands-on experience with Postgress, MongoDB.
- Experience with cache-store / message broker like Redis / RabbitMQ / Kafka
- Experience with AWS
- Experience in front-end development using react.js is a plus.
- Proficient understanding of code versioning tools, such as Git / Mercurial /bitBucket.
- DevOps knowledge to deploy code in production and hands-on experience with docker / Kubernetes.
- Self-motivated and a good team player.
- Good communication and interpersonal skills.
- Bachelor’s Degree in Engineering from a reputed Institute
o Strong Python development skills, with 7+ yrs. experience with SQL.
o A bachelor or master’s degree in Computer Science or related areas
o8+ years of experience in data integration and pipeline development
o Experience in Implementing Databricks Delta lake and data lake
o Expertise designing and implementing data pipelines using modern data engineering approach and tools: SQL, Python, Delta Lake, Databricks, Snowflake Spark
o Experience in working with multiple file formats (Parque, Avro, Delta Lake) & API
o experience with AWS Cloud on data integration with S3.
o Hands on Development experience with Python and/or Scala.
o Experience with SQL and NoSQL databases.
o Experience in using data modeling techniques and tools (focused on Dimensional design)
o Experience with micro-service architecture using Docker and Kubernetes
o Have experience working with one or more of the public cloud providers i.e. AWS, Azure or GCP
o Experience in effectively presenting and summarizing complex data to diverse audiences through visualizations and other means
o Excellent verbal and written communications skills and strong leadership capabilities
Skills:
Python
• You will design high level architecture solutions, write high quality code, do code reviews
• You will take ownership to run and maintain the services in Cloud infrastructure
• You will continuously evaluate relevant technologies, influence and drive architecture and design discussions
You must have
• Strong desire to work at an early stage startup
• Strong desire to learn and improve yourself every day
• Strong hands-on development experience
• Proficiency in Computer Science fundamentals – object oriented design, data structures, algorithm - design, and complexity analysis
• Strong knowledge of sql/nosql databases
• Strong experience in developing Rest APIs
• Hands-on experience in developing and deploying MicroServices
• Experience with designing scalable architecture
• Strong knowledge of git
• Experience with redis, memcache
• Experience with Kafka, RabbitMQ
• Experience with ElasticSearch, Solr
• Experience with running applications in production, CI/CD
• Experience with performance tuning
• At least 2 year experience in leading a small team of developers
It would be nice if you also have
• Experience with Google Maps or similar technologies
• Experience with geospatial applications/libraries
- Working in high paced competitive stock trading environment with core web app development, scripting, data interpretation and manipulation skills
- Designing, creating and maintaining our in-house software for business requirements
- Work on innovative ideas to improve the user experience of our internal systems and applications which are used by the trading teams
- Improve on existing tools to make trade monitoring systems robust and more reliable
Ideal candidate should have:
- Engineering degree in Computer Science (preferred) or any other discipline
- Experience on Python web app development (Preferably Django)
- Ability to work as a full stack developer
- Experience in Shell/Perl or Python scripting
- Prior experience of Linux or Unix based operating systems
- Ability to create automation scripts
- Experience/Knowledge of financial industry
- Ability to work in fast paced environment under pressure and manage multiple high priority projects
- Willingness to learn and work on new technologies
- Excellent communication skills
About TBM Technologies Pvt Ltd
Established in 2006, we are a research-driven 'machine-to-next' technology company. In 2018, we were recognized as the 'Telecom Technology Company of the Year - India'. We were named 'Most Innovative Software Development Company - India in 2017' and 'Best Telecom Software Company - India'. Other awards include being named among the '20 Most Promising Software Development Companies' and recognition by GSMA at the Mobile World Congress 2011. Our smart solutions enhance lifestyles and save lives, by enabling more effective communications.
With our proprietary software and technologies, we deliver solutions to telecom operators, including Airtel, Dialog Axiata, Verizon Wireless, Vodafone, and Idea. A dedicated research team focuses on next-generation solutions with sensors, smart devices, location 5.0 technology, multi-lingual multi-modal communication, omnichannel delivery platforms, cloud technologies, virtualization, rack servers, mobile phones, analytics, machine learning, and IoT.
Responsibilities :
1. Creating visually appealing, sustainable and reliable enterprise grade web applications.
2. Working with the latest frameworks and technologies used in Python, Django and web development.
3. Integrating Python applications with cross-platform web services.
4. Utilize Agile and other advanced methodologies to document, design, develop, deploy and maintain Python applications, services and solutions.
5. Staying up to date by learning new technologies and software.
6. You will be empowered to express your opinion to help shape the design of the product.
7. Creating products that will involve you from design to completion.
8. You will be part of several initiatives that help people and save lives on a very large scale across many countries.
Our Requirements :
1. Bachelor's degree in Computer Science or BTech from a reputable university or related field or equivalent military or industry experience
2. Some prior training courses in C or Python Web Development.
3. Experience with Apache and MySQL will be appreciated.
4. Experience with performance profiling and performance tuning enterprise applications.
5. Self-Learning, motivated, and disciplined attitude.
6. High level of logic and reasoning skills.
7. Good verbal and written communication skills.
Required Experience: A minimum experience of 1 year of working in Python.






