823,339open jobs
52,936companies
134,762added this week
Browse all
Salary
≈ $27k – $58k per year (Estimated)
Location
In office (Bengaluru)
Seniority
Senior · 6+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 26, 2026. First seen by Alion on Jul 13, 2026.

Overview
Company
Impact
Profile match

TNS

TNS (Transaction Network Services) is a US provider of data communications and interoperability services, headquartered in Reston, Virginia, that runs private networks and infrastructure-as-a-service for payments, telecommunications and financial markets. Founded in 1990 to serve the point-of-sale industry, it now offers payment connectivity, unattended payments for parking and EV charging, caller identity and branded calling, roaming and IPX services and trading connectivity from offices in the US, Europe, India, Australia and Brazil. It hires network engineers, NOC technicians, payments and security analysts, cloud architects and service delivery managers.

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives.Come join the excellence!

Overview

We are seeking an experienced Senior .NET Developer to design, build, and maintain high-availability, scalable applications within a modern cloud-enabled environment. This role requires deep technical expertise in the .NET ecosystem and the ability to actively contribute to architectural and design decisions while mentoring team members.

You will be expected to contribute not only through hands-on development but also by improving team effectiveness and delivery outcomes. This includes pursuing continuous self-improvement, fostering innovation, and promoting best practices to enhance productivity and software quality. You are encouraged to contribute beyond formal responsibilities, demonstrating initiative and creativity within a dynamic and entrepreneurial environment.

The role operates within a collaborative and professional technology team focused on delivering secure, reliable, and high-performing payments processing solutions. The emphasis is on structured, timely delivery of high-quality technology outcomes that meet or exceed company standards.

Responsibilities

Key Responsibilities:

  • Design, develop, and maintain robust applications using C# and the .NET/.NET Core platform.
  • Build and enhance APIs and services using ASP.NET Core (Web API, MVC).
  • Prepare and maintain documentation of applications and systems.
  • Maintain and continuously improve code quality and optimize application performance, collaborating with the Quality Assurance team to support efficient and effective testing.
  • Contribute to architectural design discussions and influence system design decisions to ensure scalability, resilience, and maintainability.
  • Lead the end-to-end software development lifecycle (design, development, testing, and deployment).
  • Mentor and guide team members and review code to ensure adherence to best practices.
  • Collaborate with product managers and other stakeholders to communicate status, issues, and risks in a timely manner.
  • Deliver outcomes that minimize operational impact and improve the stability of enterprise applications.
  • Ensure applications meet security, data protection, and compliance standards.
  • Promote continuous improvement, innovation, and adoption of emerging technologies, including automation and AI-assisted development tools.

Required Skills & Qualifications:

  • Strong proficiency in C# and the .NET / .NET Core ecosystem.
  • Advanced experience with ASP.NET Core, including Web API and MVC frameworks.
  • Strong understanding of object-oriented programming (OOP), RESTful APIs, and microservices architecture within an AWS cloud environment.
  • Experience with relational databases (SQL Server) and event-driven messaging platforms including Amazon SQS and EventBridge.
  • Experience with build and dependency tools such as MSBuild and NuGet.
  • Familiarity with CI/CD pipelines, Git-based workflows, and DevOps practices.
  • Exposure to automation and AI development workflows, including modern coding assistants and tooling.

Experience Requirements:

  • Computer Science degree or equivalent practical experience.
  • 6-7 years of professional software development experience.
  • Proven experience building scalable, distributed systems.
  • Experience in payments or parking industry will be highly desirable.

Qualifications

Optional Desired Qualities:

  • Strong problem-solving and analytical skills.
  • Experience in performance tuning and optimization.
  • Familiarity with test-driven development (TDD), using frameworks such as xUnit, NUnit or Selenium.
  • Ability to work independently, manage time effectively, and take ownership of deliverables.
  • Experience in preparing and maintaining application and system documentation.
  • Excellent communication and collaboration skills.

If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!

TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
823,339 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Similar stack
Same company
Bengaluru
≈ $21k – $53k per year (Estimated) • In office • Full-Time • 4+ years exp • Bachelor's Degree • Pune
Management
Agile
Scrum
Apply
≈ $23k – $50k per year (Estimated) • In office • 6+ years exp • Bachelor's Degree • Bengaluru
AI/ML
Multimodal AI
AI Agents
Apply
≈ $21k – $52k per year (Estimated) • In office • Full-Time • 4+ years exp • Bachelor's Degree • Mumbai
JavaScript
TypeScript
SQL
C#
Node JS
C#
.NET
AI/ML
Copilot
Cursor
Claude Code
LLM
Frontend
React.js
DevOps
Rest API
Azure
CI/CD
Git
Design
Figma
Adobe XD
Apply
≈ $23k – $49k per year (Estimated) • In office • Full-Time • 4+ years exp • Hyderabad
Java
Kotlin
SQL
Java
Maven
Spring Boot
Spring MVC
Spring Data JPA
Gradle
Kotlin
Mockito
AI/ML
Claude
Claude Code
Prompt Engineering
Mobile
JUnit
Clean Architecture
DevOps
CI/CD
Jenkins
Git
Docker
Kubernetes
Bitbucket
Cybersecurity
SonarQube
Apply
≈ $29k – $61k per year (Estimated) • In office • Full-Time • Noida
Python
Java
Apply
≈ $109k – $237k per year (Estimated) • Remote (United States) • 5+ years exp • Bachelor's Degree
Python
JavaScript
SQL
C#
Node JS
C#
.NET
AI/ML
LangGraph
Weights & Biases
LangChain
llama.cpp
Claude
Claude Code
LlamaIndex
LoRA
Model Context Protocol
vLLM
MLFlow
Fine-tuning
Prompt Engineering
AI Agents
Docling
Ollama
PEFT
QLoRA
Llama
Mistral
AWS Bedrock
LLM
RAG
Hybrid Search
Mixtral
Amazon SageMaker
OpenAI Codex
Context Engineering
Knowledge Graph
LLM Guardrails
Agentic Workflows
Multi-Agent Systems
DevOps
Rest API
AWS
Docker
Kubernetes
Amazon EKS
AWS Lambda
GitLab
Amazon S3
Amazon ECS
Cybersecurity
GDPR
Management
Confluence
Jira
Apply
$23k – $65k per year • In office
Python
SQL
Databases
MySQL
Google BigQuery
BigQuery
Mobile
Firebase
DevOps
Heroku
AWS
Linux
Apply
$23k – $54k per year • In office • Tokyo
JavaScript
Java
Rust
TypeScript
Ruby
Ruby
Ruby on Rails
Databases
MySQL
Redis
Memcached
Google BigQuery
BigQuery
Frontend
Next.js
React.js
Gatsby
Mobile
React Native
Firebase
Bitrise
DevOps
CircleCI
Heroku
AWS
GitHub
Unix
Management
Slack
Apply
$23k – $54k per year • In office • Tokyo
JavaScript
Rust
Ruby
Node JS
Ruby
Ruby on Rails
RSpec
Databases
MySQL
Redis
Firestore
Memcached
Google BigQuery
BigQuery
Frontend
React.js
Mobile
Firebase
DevOps
CircleCI
Heroku
AWS
Docker
GitHub
Unix
Management
Slack
Apply
≈ $36k – $79k per year (Estimated) • Hybrid • Full-Time • 8+ years exp • Master's Degree • Bengaluru
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
AI/ML
AutoGen
LangChain
CatBoost
Spark
MLFlow
XGBoost
Scikit-learn
Prompt Engineering
SciPy
Function Calling
AI Agents
LightGBM
NumPy
CrewAI
LLM
RAG
Anomaly Detection
Time Series Forecasting
Agentic Workflows
Multi-Agent Systems
Tool Use
Machine Learning
DevOps
Azure
Analytics
ETL/ELT
Apply
Software Engineer III 2 months ago
≈ $24k – $58k per year (Estimated) • In office • Full-Time • Bengaluru
JavaScript
Java
PHP
TypeScript
Java
Maven
Hibernate
Spring MVC
Spring Security
Gradle
Databases
PostgreSQL
ActiveMQ
Frontend
Angular
React.js
Mobile
JUnit
DevOps
Rest API
CloudFormation
AWS
Kubernetes
Bamboo
Bitbucket
AWS Lambda
Amazon EC2
Amazon S3
Amazon CloudWatch
Linux
SOAP
Management
Confluence
Jira
Agile
Scrum
QA
Selenium
Apply
≈ $27k – $58k per year (Estimated) • In office • Full-Time • 6+ years exp • Bengaluru
Java
Java
Spring Framework
Maven
Spring Boot
Hibernate
Spring MVC
Spring Security
Databases
PostgreSQL
DynamoDB
DevOps
CI/CD
AWS
GitLab
QA
JMeter
Apply
≈ $26k – $56k per year (Estimated) • In office • Full-Time • 14+ years exp • Bengaluru
JavaScript
TypeScript
SQL
C#
C#
ASP.NET Core
Entity Framework Core
Blazor
IdentityServer
xUnit
Databases
PostgreSQL
RabbitMQ
Frontend
Angular
React.js
JQuery
DevOps
Rest API
Terraform
Puppet
Ansible
Azure DevOps
Chef
Azure
Windows Server
Git
AWS
Docker
Kubernetes
Bicep
Bitbucket
Amazon EKS
Azure AKS
GitHub
Windows
SOAP
Management
Confluence
Jira
Agile
Scrum
QA
Selenium
Apply
≈ $34k – $82k per year (Estimated) • Hybrid • Full-Time • Madrid
Management
Microsoft Teams
Apply
$135k – $145k per year • In office • Full-Time • 2+ years exp • Washington • New York
Management
Agile
Microsoft Office
Apply
≈ $122k – $251k per year (Estimated) • In office • Bachelor's Degree • Bengaluru
Python
C++
C++
Qt
AI/ML
Machine Learning
DevOps
Linux
Game Dev
Houdini
Quixel Megascans
SpeedTree
Design
Maya
ZBrush
Management
Agile
Apply
≈ $123k – $252k per year (Estimated) • In office • Bachelor's Degree • Bengaluru
Python
C++
C++
OpenGL
Qt
AI/ML
Machine Learning
DevOps
Linux
Game Dev
Houdini
Management
Agile
Apply
≈ $121k – $249k per year (Estimated) • In office • Bachelor's Degree • Bengaluru
Python
C++
Python
PyQt
C++
OpenGL
AI/ML
Machine Learning
DevOps
Linux
Game Dev
Houdini
Design
Maya
Management
Agile
Apply
≈ $122k – $250k per year (Estimated) • In office • Bengaluru
Python
C++
Cython
C++
Qt
Cython
PyBind11
AI/ML
Machine Learning
Game Dev
Houdini
Design
Maya
Apply
≈ $121k – $249k per year (Estimated) • In office • Bachelor's Degree • Bengaluru
Python
C++
Game Dev
Houdini
Design
Maya
Management
Agile
Apply
See all jobs
This is one of many
823,339 more open roles from verified company boards, updated every day.