Senior / Lead .NET Backend API Developer Job at Tech Mahindra (Cambridge)

Senior .NET Developer

P3 Technology is looking to hire a Senior .NET Developer to help build, enhance,...

Location

United States

Salary:

Not provided

Slingshot

Expiration Date

Until further notice

Requirements

5+ years of experience in .NET Core, C#, web APIs, and relational databases
Experience architecting cloud-first solutions, preferably in AWS
Comfortable working across the stack, from backend logic to front-end integration (experience with Angular or Vue.js a plus)
Confident presenting and collaborating with customers and translating business needs into clear, executable development tasks
Excellent verbal and written communication skills
Curious, autonomous, and comfortable owning solutions end-to-end

Job Responsibility

Design, build, and maintain scalable cloud-native applications using .NET Core, C#, PostgreSQL, and AWS
Architect modular, extensible solutions to complex feature requests
Lead and participate in code reviews, ensuring code quality and consistent standards across the team
Translate business requirements into technical specifications and working software
Actively participate in client/customer meetings, including with customer tech teams, to understand use cases and provide technical guidance
Collaborate with other developers, business analysts, and stakeholders on planning and delivery
Continuously improve development processes and AWS infrastructure with a “DevOps” mindset, including working with Terraform, Github actions, and Containerization
Maintain and improve security and SOC 2/HIPAA compliance of the P3 Platform, including installation of security patches and updating vulnerable packages, etc

What we offer

Generous paid time off and holidays
Quarterly bonuses
SIMPLE IRA retirement plan with company match
Entirely remote-first work environment
Flexible hours and strong work-life balance
Opportunities to grow with a lean, agile, and ambitious team

Integration Developer

Integration Developer - Hybrid, PA. Hybrid: Remote and on location work as neede...

Location

United States , Philadelphia

Salary:

Not provided

Ocean Blue Solutions

Expiration Date

Until further notice

Requirements

8+ years proven experience as a Senior developer or similar role with expert knowledge in integrating SAP, Microsoft Dynamics, Azure cloud solutions, and IVR systems and integrations with external systems, specifically in high volume contact center modernization projects
5+ years of hands on expertise in Payment Processing Applications development and maintenance, including newer digital payment methods on projects of various sizes and subject matters is required, but 8+ years’ of experience is preferred
3+ years of experience in backend development using GoLang
3+ years of experience in backend development using .Net
Strong understanding of RESTful API design and decentralized microservices architecture
Experience with containerization tools (Docker, Kubernetes)
Familiarity with cloud platforms (AWS, GCP, or Azure)
Proficiency with ADO, Git and version control workflows
Solid understanding of concurrency, memory management, and performance optimization in Go and .Net
Proficient in the Microsoft Office 365 suite of business software including Teams, Word, Excel, and PowerPoint, plus proficient in Microsoft ADO Testing Module

Job Responsibility

Responsible for connecting the different systems, applications, and technologies, including SAP S/4HANA, BRIM, Microsoft Dynamics 365, cloud telephony and IVR, web portals, mobile apps, middleware systems, document storage and retrieval solutions, cloud hosting, and more, to ensure they technically work seamlessly together for best in class performance
Design, develop, and maintain backend services using tools such as .Net, and Go (Golang)
Build and optimize APIs, microservices, and cloud native distributed systems
Collaborate with cross-functional teams to ensure seamless CI/CD pipelines and containerized deployments (Docker, Kubernetes) to deliver high-quality solutions on schedule and within budget
Write clean, maintainable, and well-tested code
Participate in code reviews and contribute to team knowledge sharing
Stay current with .Net, and GoLang best practices and emerging technologies, applying best practices towards leveraging on-demand open APIs
Design and develop scalable and resilient technical architectures to integrate SAP, Microsoft Dynamics, Azure cloud services, IVR systems, and external systems for tolling projects (e.g., payment gateways, backend databases, traffic management systems)
Provide hands-on technical leadership and mentorship to development teams, ensuring adherence to architectural principles, best practices, and industry standards
Utilize deep knowledge of Microsoft government and commercial cloud platforms (Azure) and SAP BRIM to architect solutions that comply with tolling industry regulations and operational requirements

Team Lead (Dotnet)

We are seeking a highly experienced Technical Lead (.NET) with 12 - 15 years of ...

Location

India

Salary:

Not provided

Closeloop Technologies

Expiration Date

Until further notice

Requirements

Bachelor’s/Master’s degree in Computer Science, Engineering, or equivalent
12 - 18 years of experience in backend development using C#, .NET Framework, .NET Core, and related technologies
Strong expertise in REST API development, microservice architecture, and cloud-hosted solutions (Azure/AWS preferred)
Deep understanding of SQL Server, query optimization, and data modeling
Hands-on experience with CI/CD pipelines, version control (Git), automated testing, and DevOps practices
Solid understanding of system architecture, distributed systems, security principles, and scalable application design
Proven experience in leading 6 - 12 member engineering teams
Strong communication, stakeholder management, and client-facing experience
Ability to work in Agile/Scrum environments with cross-functional teams
Excellent analytical and problem-solving skills, with a focus on ownership and delivery

Job Responsibility

Lead design, architecture, and development of complex backend systems using C#, .NET/.NET Core, Web APIs, Microservices, and SQL Server
Drive end-to-end technical strategy, solution architecture, and code quality across the team
Define and enforce best practices in coding, design patterns, system security, testing, and performance optimization
Review high-level and low-level designs, ensuring scalable, reliable, and maintainable solutions
Evaluate and recommend tools, frameworks, and technologies aligned with business needs
Manage and mentor a team of engineers (junior to senior levels), ensuring continuous skill development
Provide technical direction, conduct code reviews, and oversee day-to-day engineering delivery
Foster a collaborative, high-performance culture with emphasis on ownership, accountability, and technical excellence
Collaborate with product managers, designers, QA, DevOps, and business stakeholders to translate requirements into actionable technical plans
Communicate project progress, risks, and dependencies to internal and external stakeholders

What we offer

Medical Insurance for employees, spouse, children
Accidental Life Insurance
Provident Fund
Employee Referral Bonuses
Reimbursement for high-speed Internet at home
Accommodation support for employees moving from other cities
Other Bonuses as determined by management from time to time

Fulltime

Senior API Engineer

We are looking for a hands-on Azure Application Developer / Senior API Engineer ...

Location

United States

Salary:

Not provided

IQZ Systems

Expiration Date

Until further notice

Requirements

5–7 years of experience in software development, with strong backend/API focus
2+ years hands-on experience implementing solutions on Microsoft Azure
Strong proficiency in C#, .NET Core / .NET, and ASP.NET Web API
Experience designing and developing RESTful APIs (routing, versioning, serialization, Swagger/OpenAPI)
Solid understanding of HTTP, client-server architecture, and web services concepts
Strong database skills with Microsoft SQL Server / Azure SQL (schema design, query optimization)
API security experience: JWT, OAuth2, token-based authentication, role-based access concepts
Experience with Git and Agile development
Strong debugging, problem-solving, and communication skills

Job Responsibility

Design, develop, and maintain RESTful APIs using ASP.NET Web API / .NET (Core/6+)
Build reliable backend services that support web and mobile applications
Implement API versioning, error handling, logging, and API documentation (Swagger/OpenAPI)
Develop and deploy services on Azure using components such as: Azure App Service, Azure Functions, API Management, Service Bus / Event Grid (event-driven patterns), Azure SQL / Cosmos DB (as applicable), Key Vault for secrets management
Contribute to modernization initiatives (e.g., migrating from on-prem/legacy to Azure)
Collaborate with architects/tech leads to implement scalable, maintainable API/service designs
Apply best practices for microservices, integration patterns, and cloud design principles (security, reliability, performance)
Participate in architecture/design reviews and propose improvements for service boundaries, resilience, and maintainability
Implement authentication/authorization using OAuth2, JWT, and Azure identity patterns (Azure AD/Entra ID concepts)
Ensure secure coding practices, encryption/data protection considerations, and compliance requirements as needed

What we offer

Vigorous Growth: We grew 5x and doubled our workforce last year
EOE: We are committed to creating a diverse environment and proud to be an equal opportunity employer
Open Door Policy: Strong communication and transparency support a stress-free workplace
Always Learning: We’re hungry to better ourselves intellectually
Work on modern cloud and modernization projects
Collaborate with teams across US, India, Sri Lanka, Luxembourg
Grow into broader solution ownership and architecture responsibilities

Fulltime

Senior .NET / Azure Engineer

We are looking for a hands-on Azure Application Developer / Senior .NET Engineer...

Location

United States

Salary:

Not provided

IQZ Systems

Expiration Date

Until further notice

Requirements

5–7 years of experience in software development, with strong backend/API focus
2+ years hands-on experience implementing solutions on Microsoft Azure
Strong proficiency in C#, .NET Core / .NET, and ASP.NET Web API
Experience designing and developing RESTful APIs (routing, versioning, serialization, Swagger/OpenAPI)
Solid understanding of HTTP, client-server architecture, and web services concepts
Strong database skills with Microsoft SQL Server / Azure SQL (schema design, query optimization)
API security experience: JWT, OAuth2, token-based authentication, role-based access concepts
Experience with Git and Agile development
Strong debugging, problem-solving, and communication skills

Job Responsibility

Design, develop, and maintain RESTful APIs using ASP.NET Web API / .NET (Core/6+)
Build reliable backend services that support web and mobile applications
Implement API versioning, error handling, logging, and API documentation (Swagger/OpenAPI)
Develop and deploy services on Azure using components such as: Azure App Service, Azure Functions, API Management, Service Bus / Event Grid (event-driven patterns), Azure SQL / Cosmos DB (as applicable), Key Vault for secrets management
Contribute to modernization initiatives (e.g., migrating from on-prem/legacy to Azure)
Collaborate with architects/tech leads to implement scalable, maintainable API/service designs
Apply best practices for microservices, integration patterns, and cloud design principles (security, reliability, performance)
Participate in architecture/design reviews and propose improvements for service boundaries, resilience, and maintainability
Implement authentication/authorization using OAuth2, JWT, and Azure identity patterns (Azure AD/Entra ID concepts)
Ensure secure coding practices, encryption/data protection considerations, and compliance requirements as needed

What we offer

Vigorous Growth: We grew 5x and doubled our workforce last year
EOE: We are committed to creating a diverse environment and proud to be an equal opportunity employer
Open Door Policy: Strong communication and transparency support a stress-free workplace
Always Learning: We’re hungry to better ourselves intellectually
Work on modern cloud and modernization projects
Collaborate with teams across US, India, Sri Lanka, Luxembourg
Grow into broader solution ownership and architecture responsibilities

Fulltime

Senior Software Engineer (.NET)

Software Resources has an immediate, long term contract job opportunity for a Se...

Location

United States , Celebration, FL

Salary:

Not provided

Software Resources

Expiration Date

Until further notice

Requirements

Minimum 5 years of professional software engineering experience, with a strong emphasis on .NET development
Expert knowledge of C#, .NET Framework, .NET Core/6+, ASP.NET Web API, and related technologies
Experience developing and supporting applications using relational databases (SQL Server, Oracle, or both)
Strong understanding of API design, RESTful services, and WCF service architectures
Experience supporting production systems, including troubleshooting, debugging, and incident response
Familiarity with Agile methodologies (standups, sprint planning, story grooming, retros)
Experience with CI/CD pipelines and tooling such as Azure DevOps, GitLab, GitHub Actions, or Jenkins, including automated builds and deployments
Experience with Docker and containerized applications
Experience using monitoring/logging tools (such as Grafana, AppDynamics, Splunk, ELK, or similar)
Understanding of software engineering best practices including unit testing, documentation, and code reviews

Job Responsibility

Support and enhance shipboard .NET applications used by multiple Crew operational teams
Contribute to modernization efforts, including possible rewrite prep with analysis of legacy shipboard systems
Work on applications that must perform in a disconnected on-prem environment (ship’s network only, no internet)
Build and maintain integrations with other systems
Partner with shipboard operations, Crew Office leadership, safety operations, and technical partners to deliver stable, user-focused solutions
Lead or contribute to analysis, design, programming, debugging, and enhancement of .NET applications supporting Crew Systems
Support L2/L3 ticket triage, defect analysis, root-cause investigations, and incident resolution for shipboard systems
Develop and maintain WCF backend services, RESTful APIs, and WPF UI components using .NET Framework and .NET Core
Build software solutions that must perform reliably in distributed, sometimes offline, shipboard environments
Write clean, testable, maintainable code and participate in code reviews

What we offer

medical, dental, and vision coverage
a 401(k) with company match
short-term disability
life insurance with AD&D

Senior Backend Engineer (.Net)

This position allows you to join a fast-growing technology organization redefini...

Location

Argentina , Buenos Aires

Salary:

Not provided

Parser Limited

Expiration Date

Until further notice

Requirements

+7 years of experience with .NET (C#)
Proficiency in databases (MySQL, Postgres, NoSQL)
Experience in Continuous Integration and Delivery Tools: Kafka, Docker, Kubernetes, Git, Jenkins
Proficiency in AWS (using, deploying and maintaining services)
Proficiency in Terraform
Familiarity with API creation and RESTful services
Excellent written and verbal English communication skills
Proactivity and capacity to bring well thought solutions

Job Responsibility

Develop and maintain backend services in .NET (C#) using both .NET Core and legacy .NET Framework
Lead and execute migration of legacy services to cloud-native solutions using AWS
Implement and manage infrastructure as code using Terraform
Containerize and deploy services on AWS ECS / Fargate
Maintain and support live environments and CI/CD pipelines
Ensure software quality, performance, and reliability during development and deployment cycles

What we offer

The chance to join an organization with triple-digit growth that is changing the paradigm of how software products are built
The opportunity to form part of an amazing, multicultural community of tech experts
A flexible and remote working environment

Fulltime

Senior Integration Developer

We are looking for a Senior Integration Developer to play a key role in shaping ...

Location

United Kingdom

Salary:

100000.00 GBP / Year

Morson Talent

Expiration Date

Until further notice

Requirements

Strong background in developing APIs, backend services, and integration components using .NET (C#)
Financial services is essential (Insurance, Pensions etc.)
Practical experience with Azure-based integration tooling, including Logic Apps, API Management, Service Bus, and Event Grid
Good knowledge of common integration design approaches such as API-centric design, publish/subscribe, event-driven, synchronous, and batch processing patterns
Experience working with distributed systems and microservices, including container technologies (e.g., Docker) and orchestration platforms (e.g., AKS)
Familiarity with DevOps practices, CI/CD pipelines, and Git-based source control (Azure DevOps or similar)
Understanding of relational and non-relational data storage technologies
Experience working with structured messaging and data formats such as JSON, XML, and Avro
Awareness of modern security principles including token-based authentication, encryption in transit, and API security standards

Job Responsibility

Contribute to the evolution of integration architecture and standards across the technology environment
Lead the design and implementation of scalable integration solutions connecting business-critical systems
Support reliable data exchange, system interoperability, and performance optimisation
Encourage the adoption of modern architectural practices, including loosely coupled and event-based designs
Provide technical oversight and guidance to ensure solutions are robust, maintainable, and aligned with best practices
Design, build, and enhance integration services that enable efficient data sharing across platforms
Collaborate with cross-functional teams to deliver secure and resilient connectivity solutions
Apply industry-recognised integration approaches to ensure flexibility and long-term sustainability
Contribute to governance, documentation, and continuous improvement of integration capabilities

Fulltime

Senior / Lead .NET Backend API Developer

Tech Mahindra

Location:
Canada , Cambridge

Category:
IT - Software Development

Contract Type:
Employment contract, B2B, Contract work

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 08, 2026

Expiration:
March 31, 2026

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