Lead Backend Engineer Job at Arcadia (Chennai)

Job Description

We’re seeking a Lead Backend Engineer to join our Engineering team and help build scalable, reliable systems that power our platform. You are a collaborative, high-ownership engineer who enjoys solving complex backend problems and designing systems that stand the test of time. You bring a long-term, systems-thinking mindset and are excited to work on software that expands renewable energy access to millions of households. Our domain operates in a rapidly evolving regulatory environment, so we value engineers who are curious, adaptable, and comfortable navigating ambiguity—whether that means exploring new technical approaches, diving deep into data and edge cases, or collaborating cross-functionally to find the right solution. This role is fully remote, based in India and offers the opportunity to meaningfully influence backend architecture, shape engineering best practices, and work with a mission-driven, high-performing team.

Job Responsibility

Backend architecture ownership: Define, evolve, and document backend architecture and data models with a focus on scalability, performance, and reliability
API ownership: Own the design and quality of GraphQL and backend APIs, including schema design, versioning strategy, and backward compatibility
Technical decision-making: Lead design discussions, write technical proposals, evaluate trade-offs, and make decisions that balance speed with long-term system health
Production ownership: Be accountable for backend services in production, including monitoring, incident response, root-cause analysis, and follow-through improvements
Quality and standards: Establish and uphold backend engineering standards around testing, observability, security, documentation, and code quality
Delivery ownership: Own backend deliverables end-to-end—from requirements and estimation to implementation, rollout, and iteration
Cross-team alignment: Act as the primary backend point of contact for Product, Frontend, and other stakeholders on complex initiatives
Mentorship and leverage: Multiply team impact by mentoring engineers, reviewing designs and code, and unblocking others
Platform evolution: Proactively identify technical debt, scalability risks, and opportunities to simplify and harden the platform
Design and build scalable, resilient backend systems using Ruby on Rails and PostgreSQL
Lead backend implementation for complex features and integrations, including external systems such as Salesforce
Own and evolve GraphQL services that power frontend and partner-facing applications
Partner closely with frontend engineers to define clean, efficient backend–frontend contracts
Improve system reliability through testing, monitoring, alerting, and operational best practices
Ship production-ready code frequently using a modern CI/CD pipeline
Review code and designs with a strong focus on maintainability, performance, and long-term impact

Requirements

8+ years of experience building and operating high-availability backend systems
Demonstrated experience leading backend initiatives and owning systems beyond individual features
Strong fundamentals in system design, API design, and data modelling
Ability to clearly communicate technical decisions and trade-offs to both technical and non-technical stakeholders and actively represent backend engineering in key discussions calls during the IST collaboration window
Proven experience mentoring engineers and raising the technical bar of a team
Comfort working in ambiguous problem spaces and iterating toward robust solutions
Strong experience with Ruby and Ruby on Rails
Experience designing and owning GraphQL APIs (Apollo or similar)
Advanced SQL skills and experience with PostgreSQL or similar relational databases
Hands-on experience with AWS services such as S3, SQS, SES, EventBridge, or similar cloud-native services
Containerization using Docker
Exposure to distributed systems or platform engineering
Familiarity with background jobs, async processing, and event-driven workflows

Nice to have

Experience integrating with Salesforce or other enterprise platforms
Strong opinions (loosely held) on backend architecture, scalability, and system design
Exposure to AI-assisted engineering—such as using modern AI tools for coding, debugging, testing, documentation, or exploring LLM-based workflows in backend systems
Familiarity with observability and distributed tracing tools such as OpenTelemetry, Jaeger, Prometheus, or similar
Experience with container orchestration and deployment using Kubernetes and Helm charts
Passion for sustainability, clean energy, and building mission-driven products

What we offer

Competitive compensation based on market standards
Flexible Leave Policy
Office is in the heart of the city in case you need to step in for any purpose
Medical Insurance (1+5 Family Members)
We provide comprehensive coverage including accident policy and life Insurance
Annual performance cycle
Quarterly team engagement activities and rewards & recognitions
L&D programs to foster professional growth
A supportive engineering culture that values diversity, empathy, teamwork, trust, and efficiency

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Lead Backend Engineer

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