Senior Backend Engineer

Role & responsibilities

Job Title: Senior Backend Engineer (Python/FastAPI 6 to 10 Years Experience)

Location:

About the Role:

Senior Backend Engineer

Python-based API development

Skills

Must Have (Core Backend Skills):

• Python (FastAPI)

  – API development

• SQL

  – Writing efficient queries and schema design

• TimescaleDB / PostgreSQL

  – Handling time-series data

• Airflow / dbt

  – Data pipeline orchestration

• Pandas / NumPy

  – Data processing and analysis

• OpenAPI / Swagger

  – API contract documentation

• API best practices

  – Versioning, pagination, deterministic responses

• Auth0 / JWT

  – Authentication and authorization

• RBAC

  – Role-based access control at the API layer

• AWS Lambda / ECS / API Gateway

  – Cloud deployment

• Terraform

  – Infrastructure as code

Good to Have (Frontend / Visualization Skills):

• React / Vue.js

  – Integrate APIs into frontend dashboards

• Visualization libraries

  – e.g., D3.js, Chart.js, Plotly

• Component testing

  – Frontend unit and integration testing

• MVP delivery

  – Ability to rapidly prototype frontend interfaces

Key Responsibilities:

• Design, develop, and maintain

  high-performance backend APIs

  using

  Python and FastAPI

  .
• Define and manage

  database schemas and queries

  optimized for time-series and analytical workloads (TimescaleDB/PostgreSQL).
• Build and orchestrate

  data pipelines

  using tools like

  Airflow, dbt

  , and libraries such as

  Pandas/NumPy

  .
• Implement and maintain

  API contracts

  using OpenAPI/Swagger with attention to versioning, pagination, and metadata.
• Integrate and enforce

  authentication and authorization

  (Auth0, JWT, RBAC) at the API layer.
• Work with

  AWS services

  (Lambda, ECS, API Gateway) and

  infrastructure as code tools

  like Terraform for cloud deployment.
• Collaborate with frontend and product teams to expose backend functionality through dashboards and data visualizations.
• Contribute to performance tuning, monitoring, and continuous improvement of platform architecture.

Required Qualifications:

• 6–10 years of experience in software engineering with a focus on backend systems and API development.
• Proven experience in building and maintaining

  Python-based APIs

  using

  FastAPI

  or similar frameworks.
• Solid understanding of

  SQL

  and experience with

  PostgreSQL/TimescaleDB

  .
• Strong knowledge of time-series data design and optimization.
• Experience in building and managing

  data pipelines

  using

  Airflow

  ,

  dbt

  , or equivalent tools.
• Familiarity with

  API standards and documentation

  practices (OpenAPI, Swagger).
• Experience with

  auth systems

  like Auth0, JWT, and

  role-based access control

  .
• Exposure to

  cloud infrastructure

  (AWS Lambda, ECS, API Gateway) and

  Terraform

  .
• Strong problem-solving skills, attention to detail, and ability to work independently in a distributed environment.

Preferred candidate profile