Backend Software Development Engineer (Java/Go Microservices)

About InstaSafe

InstaSafe is a Zero Trust cybersecurity company trusted by global enterprises to secure users, applications, and infrastructure in hybrid and cloud-native environments. Our ZTNA, IAM, and MFA solutions protect over 500,000 endpoints worldwide, enabling enterprises to adopt cloud securely and confidently.

We are seeking a Backend Engineer to design, develop, and optimize the core backend services that power ISA Controller and ZTA Console . These services form the backbone of our Zero Trust platform, handling authentication, authorization, secure session management, and large-scale API integrations.

The Backend Engineer will design and implement scalable backend services and microservices using Java (Spring Boot) and Go (Golang) . You will work across authentication flows, distributed session management, REST/gRPC APIs, and cloud-native orchestration , ensuring the platform is secure, performant, and highly available .

This role is ideal for engineers with deep backend expertise and an interest in secure enterprise systems .

Duties & Responsibilities

• 
  Service Development
  : Design and implement backend services for authentication, authorization, and Zero Trust access policies using
  Java Spring Boot
  and
  Go
  .
• 
  Microservices Architecture
  : Build and scale modular, stateless services orchestrated via
  Docker/Kubernetes
  .
• 
  API Development
  : Design, document, and optimize
  REST APIs
  and
  gRPC interfaces
  for secure communication with agents and consoles.
• 
  Data Management
  : Integrate and optimize
  PostgreSQL, MySQL, MongoDB, and Redis
  for secure and efficient data storage.
• 
  Authentication & Security
  : Implement
  OAuth2, JWT, SAML, LDAP
  integrations to connect with enterprise identity providers.
• 
  Performance & Reliability
  : Benchmark, monitor, and tune backend systems for scalability and low latency.
• 
  Collaboration
  : Work closely with frontend, agent, and gateway teams to deliver cohesive platform features.
• 
  CI/CD Integration
  : Contribute to automated testing, build pipelines, and deployment workflows.

• 
  Continuous Learning
  : Stay current with cloud-native technologies, distributed systems, and secure coding practices.

Requirements

Qualifications & Skills

Education & Experience:

• Bachelor’s/Master’s in Computer Science, Engineering, or related field.



• 4–8 years’ experience
  in backend development for enterprise-grade systems.

Core Technical Skills (with links for TA reference):

• Java
  &
  Spring Boot
• 
  Go (Golang)
• 
  REST APIs
  &
  gRPC
• 
  PostgreSQL
  ,
  MySQL
  ,
  MongoDB
  ,
  Redis
• 
  Docker
  &
  Kubernetes

• 
  OAuth2
  ,
  JWT
  ,
  SAML
  ,
  LDAP

Preferred/Good-to-Have:

• Experience with
  message brokers
  (Kafka, RabbitMQ).


• Familiarity with
  cloud environments
  (AWS, Azure, GCP).


• Experience in
  high-performance distributed systems
  .



• Exposure to
  DevSecOps practices
  .

Benefits

Career Value Proposition

• Build the
  core backend brain
  of a fast-scaling Zero Trust cybersecurity platform.


• Work with
  cutting-edge Java and Go microservices
  .


• Collaborate with top engineers across frontend, networking, and endpoint teams.



• Gain career growth in
  distributed systems and enterprise security platforms
  .