Senior Backend Developer with Java / Go Lang

Mphasis; California (MO); On-site; USD 60,000 - 118,000; Full time

Job summary

Mphasis is seeking an experienced Backend Engineer to build high-performance API-based backend platforms and reliable data services. The role emphasizes Go/Java/Python, REST APIs, cloud deployment on AWS/GCP, and strong security practices.

You will work on API development, gateways, service meshes, IaC, monitoring, and encryption strategies to ensure robust, scalable systems across cloud environments.

Qualifications

• 5–8 years of backend development experience.
• Experience with Go/Java/Python.
• REST API design and security (OAuth 2.0, JWT).
• Cloud development on AWS/GCP and multi-cloud patterns.
• Data encryption and key management knowledge.

Responsibilities

• Design and implement RESTful APIs for data access.
• Build API gateways and service mesh architectures for authentication and authorization.
• Deploy on AWS/GCP and implement Infrastructure as Code.
• Develop monitoring and logging frameworks for reliable operations.
• Ensure encryption at rest and in transit, and manage keys securely.

Skills

Go

Java

Python

Tools

AWS

GCP

Kubernetes

CI/CD

Kafka

Job description

Job Summary –

Seeking an experienced Backend Engineer focusing on building high-performance API based backend platform and highly reliable foundational data services.

Role Description

Job Description

Backend Developer

Job Summary –

Seeking an experienced Backend Engineer focusing on building high-performance API based backend platform and highly reliable foundational data services.

Years Of Experience Needed –

• 5 to 8 years of experience as a backend developer using Go Lang/Python

Technical Skills

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

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 reliable 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)

Security & Compliance Experience

• Implementation of encryption at rest and in transit for sensitive data
• Experience with key management systems (AWS KMS, GCP Cloud KMS)
• Understanding of zero-trust security architecture principles

Certifications Needed

• N/A

About Mphasis

Mphasis applies next-generation technology to help enterprises transform businesses globally. Customer centricity is foundational to Mphasis and is reflected in the Mphasis’ Front2Back™ Transformation approach. Front2Back™ uses the exponential power of cloud and cognitive to provide hyper-personalized (C=X2C2TM=1) digital experience to clients and their end customers. Mphasis’ Service Transformation approach helps ‘shrink the core’ through the application of digital technologies across legacy environments within an enterprise, enabling businesses to stay ahead in a changing world. Mphasis’ core reference architectures and tools, speed and innovation with domain expertise and specialization are key to building strong relationships with marquee clients.

Equal Opportunity Employer

Mphasis is an equal opportunity/affirmative action employer. We provide equal employment opportunities to applicants and existing associates and evaluate qualified candidates without regard to race, gender, national origin, ancestry, age, color, religious creed, marital status, genetic information, sexual orientation, gender identity, gender expression, sex (including pregnancy, breast feeding and related medical conditions), mental or physical disability, medical conditions military and veteran status or any other status or condition protected by applicable federal, state, or local laws, governmental regulations and executive orders. View the EEO in the law poster , view the EEO in the law supplement . To view the pay transparency nondiscrimination provision please click and to view the E-Verify posting click .

Mphasis is committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of disability to search and apply for a career opportunity, please send an email to [e-mail] and let us know your contact information and the nature of your request.

Other Details

Salary range $60000 to $117500