Tata Consultancy Services

Senior Software Engineer Backend - Node Connectivity

Tata Consultancy Services$94K — $130K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years of software engineering experience with a focus on technical leadership.
  • Strong programming skills in Go, C/C++, or similar systems languages, with a willingness to adapt to Go.
  • Experience in designing and operating large-scale distributed services.
  • Solid knowledge of Linux and core networking principles including TCP and DNS.
  • Expertise in performance analysis, debugging, and capacity planning.
  • Ability to make sound architectural decisions and incident responses.
  • Strong communication skills to align teams without relying on authority.

Responsibilities

  • Lead the porting of Nextunnel to a new internal Kubernetes-like deployment platform.
  • Troubleshoot and resolve issues during the system bootstrap process.
  • Enhance scalability, reliability, security, and performance of services.
  • Establish technical direction and create practical delivery plans.
  • Write and review Go code for distributed, concurrent networked systems.
  • Diagnose complex failures across applications and cloud infrastructure.
  • Collaborate with teams across firmware, security, and product on cross-system initiatives.

Benefits

  • Flexible working hours with remote work options.
  • Opportunities for professional development and training.
  • A collaborative and inclusive company culture.
  • Access to modern technology and tools.
  • Work on innovative projects within a globally distributed team.
Full Job Description
Must Have Technical/Functional Skills:

10+ years of professional software engineering experience, including technical leadership of substantial systems.

Strong experience with Go, C/C++, or another systems programming language, with the ability to become

productive in Go.

Experience designing and operating large-scale distributed services in production.

Strong knowledge of Linux and networking fundamentals, including IPv4/IPv6, TCP, routing, DNS, and TLS.

Experience with concurrency, performance analysis, debugging, and capacity planning.

Sound judgment in architecture, incident response, and technical tradeoffs.

Clear written and verbal communication. You can align teams without relying on authority

Roles & Responsibilities

Nextunnel is a globally distributed, high-availability networking system. It routes device traffic across regions

while enforcing strict access controls and preserving service through failures. The platform is written primarily

in Go and runs on Kubernetes in AWS. It uses gRPC, mTLS, Docker, GitLab CI, Kustomize, and modern observability

tooling. We are looking for a hands-on technical lead to guide porting the system to a new deployment platform.

Work on porting Nextunnel deployment to a newly created internal kubernetes-like platform.

Troubleshoot issues in bootstrapping nextunnel in this new environment.

Improve the services scalability, reliability, security, performance, and operability.

Establish clear technical direction and turn it into practical, staged delivery plans.

Write and review robust Go code for distributed, concurrent, networked systems.

Diagnose complex failures across applications, protocols, containers, and cloud infrastructure.

Strengthen testing through unit, integration, end-to-end, fuzz, and scale tests.

Work with firmware, cloud infrastructure, security, SRE, and product teams on cross-system changes.

Good to have skills:

Kubernetes, AWS/EKS, Docker, Kustomize, and CI/CD systems.

gRPC, Protocol Buffers, mutual TLS, PKI, or network security.

Packet processing, tunneling, VPNs, load balancing, or distributed routing protocols.

OpenTelemetry, Prometheus, Datadog, or production observability at scale.

Fuzz testing, performance testing, and failure testing.

Salary Range: $94,000 - $130,000 a year

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About Tata Consultancy Services

Tata Consultancy Services (TCS) is an Indian multinational information technology (IT) services and consulting company, headquartered in Mumbai, Maharashtra, India. It is a subsidiary of Tata Group and operates in 149 locations across 46 countries. TCS is the largest Indian company by market capitalization and is ranked 11th on the Forbes Global 2000 list of the world's biggest public companies. TCS is also the second-largest IT services company in the world by revenue and the largest employer of women in India. The company provides services in areas including IT, consulting, and business solutions.
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