Senior Backend Engineer (Platform and Security)-5

Realign Llc; Sunnyvale (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Realign Llc in Sunnyvale, CA seeks a Senior Backend Engineer focused on Platform and Security to build high-performance API backends and secure data services. You will design RESTful APIs, implement security controls, and manage cloud-native deployments across AWS/GCP.

The role emphasizes strong API development, cloud expertise, and encryption knowledge in a fast-paced environment in onsite Sunnyvale location.

Qualifications

• Experience building high-performance API based backend services.
• Security-conscious design with data protection and encryption awareness.
• Strong cloud platform expertise across AWS and GCP.

Responsibilities

• Design and implement RESTful APIs and service integrations.
• Build and secure API gateways, authN/authZ for services.
• Deploy, monitor, and optimize cloud-native backend systems.

Skills

Go/Java/Python

REST API Design

OAuth 2.0/JWT/API key management

Microservices Architecture

Tools

AWS

GCP

Kubernetes

Terraform

Job description

Senior Backend Engineer (Platform and Security)-5

Sunnyvale, California 94043 Posted October 8th, 2026

Role: Senior Backend Engineer(Platform and Security)

Location: Sunnyvale, CA – Onsite

Job Description

• The Executive Administrative position would be responsible for independently performing day to day tasks in alignment with TCS Management systems.
• We are seeking an experienced Backend Engineer focusing on building high performance API based backend platform and highly reliable foundational data services.
• This role requires strong API development experience, cloud platform expertise, proficiency in modern programming languages, and knowledge of data encryption
• and security principles

Key Responsibilities

• API Development & Integration
• Design and implement RESTful APIs for data access and system integration
• Build robust API gateways, service mesh architectures, authentication, authorization for API services

Cloud-Native Development

• Deploy and manage applications on AWS, GCP and hybrid cloud platforms
• Implement Infrastructure as Code using cloud-native tools and services
• Develop monitoring frameworks for reliiable operations
• Secure systems
• Implement data encryption at rest and in transit using industry-standard protocols
• Design and manage symmetric and asymmetric key infrastructure
• Build secure key management systems and rotation policies

Database Systems

• Strong understanding of database technologies (SQL and NoSQL) with encryption capabilities
• Experience with message brokers (Apache Kafka)
• Understanding of monitoring and observability (Prometheus, Grafana)

Required Technical Skills

• Programming Languages (Must Have)
• Proficiency in building concurrent, high-performance services using Go/Java/Python
• Ability to choose the right language for specific use cases and performance requirements

API Development Experience (Must Have)

• REST API Design: Deep understanding of REST principles, HTTP methods, and status codes
• API Security: Implementation of OAuth 2.0, JWT tokens, and API key management
• Microservices Communication: Service-to-service APIs, circuit breakers, and retry logic

Cloud Development - AWS & GCP (Must Have)

• Hands on experience & Knowledge of Cloud services across AWS/GCP: Compute, Serverless Functions, Containers, Object Storage, KMS, IaaS
• DevOps Tools: CI/CD pipelines, Infrastructure as Code, monitoring and logging
• Multi-cloud Strategy: Understanding of cloud-agnostic design patterns

Data Encryption & Security (Must Have)

• Key security concepts including Symmetric/Asymmetric encryption, Key Management(HSM, Key rotation), Digital Signatures, TLS/SSL/mTLS, Hash functions

Required Skills

DevOps Engineer Senior Email Security Engineer

Job Type: Full Time

Job Category: IT

Job Description

Role: Senior Backend Engineer(Platform and Security)

Location: Sunnyvale, CA – Onsite

Fulltime – Permanent

Job Description

• The Executive Administrative position would be responsible for independently performing day to day tasks in alignment with TCS Management systems.
• We are seeking an experienced Backend Engineer focusing on building high performance API based backend platform and highly reliable foundational data services.
• This role requires strong API development experience, cloud platform expertise, proficiency in modern programming languages, and knowledge of data encryption
• and security principles

Key Responsibilities

• API Development & Integration
• Design and implement RESTful APIs for data access and system integration
• Build robust API gateways, service mesh architectures, authentication, authorization for API services

Cloud-Native Development

• Deploy and manage applications on AWS, GCP and hybrid cloud platforms
• Implement Infrastructure as Code using cloud-native tools and services
• Develop monitoring frameworks for reliiable operations
• Secure systems
• Implement data encryption at rest and in transit using industry-standard protocols
• Design and manage symmetric and asymmetric key infrastructure
• Build secure key management systems and rotation policies

Database Systems

• Strong understanding of database technologies (SQL and NoSQL) with encryption capabilities
• Experience with message brokers (Apache Kafka)
• Understanding of monitoring and observability (Prometheus, Grafana)

Required Technical Skills

• Programming Languages (Must Have)
• Proficiency in building concurrent, high-performance services using Go/Java/Python
• Ability to choose the right language for specific use cases and performance requirements

API Development Experience (Must Have)

• REST API Design: Deep understanding of REST principles, HTTP methods, and status codes
• API Security: Implementation of OAuth 2.0, JWT tokens, and API key management
• Microservices Communication: Service-to-service APIs, circuit breakers, and retry logic

Cloud Development - AWS & GCP (Must Have)

• Hands on experience & Knowledge of Cloud services across AWS/GCP: Compute, Serverless Functions, Containers, Object Storage, KMS, IaaS
• DevOps Tools: CI/CD pipelines, Infrastructure as Code, monitoring and logging
• Multi-cloud Strategy: Understanding of cloud-agnostic design patterns

Data Encryption & Security (Must Have)

• Key security concepts including Symmetric/Asymmetric encryption, Key Management(HSM, Key rotation), Digital Signatures, TLS/SSL/mTLS, Hash functions