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# Senior Backend Engineer

- **Company:** DAYLIGHT, LLC
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Mobile Application Development, Profiling, Software Quality, Continuous Integration, Django Web Framework, Mobile Application Software, Python (Programming Language), PostgreSQL, Redis, System Testing, Systems Integration, Backend, Git, Build Management, Kubernetes, Optimization Algorithms, Performance Monitor, Graphql, Celery, Api Design, Software Coding, Restful APIs, Software Version Control, Web Api
- **Published:** October 20, 2026
- **Apply:** https://www.juju.com/job/23_EA1BF5B55A5F7E20BD678BE9881E3974

## About the Role

3+ years of experience developing APIs and backend services Strong understanding of API development and best practices Experience with Python, Django, PostgreSQL and Redis Proficiency in writing clean, readable, and well-documented code Experience with REST APIs, GraphQL, and network request handling Familiarity with version control systems, particularly Git Knowledge of backend performance profiling and optimization techniques Experience with testing and managing AWS infrastructure and Kubernetes Ability to work in a fast-paced environment with changing requirements Strong problem-solving skills and attention to detail

| Nice To Haves

Experience with Celery, Django admin sites, integrating with smart contracts Familiarity with crypto and related infrastructure, specifically EVM Experience with continuous integration and delivery processes Contributions to open-source projects Understanding of energy markets and renewable energy systems

## Description

monitor, control, and optimize their energy usage while participating in our decentralized energy network. We're an early-stage startup, so this role goes beyond just writing code. You'll have significant input on architecture decisions, user experience, and product direction. As we scale, there will be opportunities to grow into a leadership or management position, mentoring junior developers and shaping our mobile development strategy. This role is ideal for someone who is passionate about crypto and clean energy, values craftsmanship in their code, and thrives in dynamic startup environments where your work has a direct impact on the product's success and the company's mission. This role is in-person in our New York City office. Responsibilities

GraphQL & REST API Development

Design and build robust GraphQL queries and mutations that power our mobile app and are tailored for mobile performance Architect, develop, and maintain scalable API endpoints that support vendor/partner integrations Collaborate with cross-functional teams to define, design, and ship innovative features Continuously monitor performance and resolve bottlenecks and bugs across all endpoints Champion code quality, automation, and comprehensive testing practices

CRM & Internal Tools Development

Leverage and extend Django's admin interface to build a feature-rich internal CRM and administration portal Customize the Django admin site to meet evolving business and workflow needs Work with stakeholders to refine internal processes and drive user-friendly administrative solutions