Senior Software Engineer

Straatix Partners LLP; Bengaluru Urban; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

CORE is seeking a Senior Software Engineer-Full stack to design, build, and maintain secure APIs using .NET Core/.NET 6+ and C#. You will integrate with React frontends, mentor peers, and influence architectural choices while delivering scalable, high-performance financial automation solutions.

You will collaborate with cross-functional teams, uphold code quality, and contribute to platform evolution in a collaborative fintech environment.

Qualifications

• Strong proficiency in .NET Core/.NET 6+ and C#.
• Hands-on experience with Entity Framework Core.
• Proven ability to develop robust, secure APIs and backend services.
• Experience integrating backend services with React.js frontends.
• Solid understanding of software engineering best practices, including code reviews and testing.

Responsibilities

• Design, develop, and maintain secure, scalable APIs and backend services using .NET Core/.NET 6+ and C#.
• Integrate backend services with modern React.js frontends to deliver seamless user experiences.
• Collaborate with product, design, and engineering teams to define and deliver high-impact features.
• Ensure code quality, security, and performance through best engineering practices and code reviews.
• Contribute to architectural decisions and technical strategy for platform evolution.
• Implement and maintain data access layers using Entity Framework Core.
• Participate in the full software development lifecycle, from requirements gathering to deployment and support.
• Mentor and support junior engineers, fostering a culture of learning and growth.
• Continuously identify opportunities for process and technology improvements.

Skills

C#/.NET

API development

React.js integration

Agile teams

Security & performance

Architectural decisions

Tools

Kubernetes

Terraform

AWS CDK

CloudFormation

OpenTelemetry

EC2 / AWS services

Job description

We’re hiring a Senior Software Engineer-Full stack for our client (Code Name: CORE) - CORE is a global fintech innovator delivering intelligent, cloud-native automation solutions for procurement, finance, and invoicing. As a Senior Full Stack Engineer at CORE, you will play a key role in designing, developing, and maintaining robust backend services and APIs using .NET Core/.NET 6+ and C#, seamlessly integrating with modern React.js frontends. You will collaborate closely with cross-functional teams to deliver secure, scalable, and high-performance solutions that drive business automation. This senior position offers significant ownership over technical architecture and implementation, with a focus on delivering impactful features and ensuring code quality. You will contribute to the evolution of CORE’s platform, mentor team members, and help shape engineering best practices.

CORE operates in the global fintech sector, specializing in cloud-native automation for procurement, finance, and invoicing processes. The company serves a diverse client base with intelligent solutions that streamline business operations and enhance financial workflows. CORE is committed to innovation, leveraging advanced technologies to deliver scalable, secure, and efficient platforms. The culture emphasizes collaboration, technical excellence, and continuous improvement.

Key Responsibilities

• Design, develop, and maintain secure, scalable APIs and backend services using .NET Core/.NET 6+ and C#.
• Integrate backend services with modern React.js frontends to deliver seamless user experiences.
• Collaborate with product, design, and engineering teams to define and deliver high-impact features.
• Ensure code quality, security, and performance through best engineering practices and code reviews.
• Contribute to architectural decisions and technical strategy for platform evolution.
• Implement and maintain data access layers using Entity Framework Core.
• Participate in the full software development lifecycle, from requirements gathering to deployment and support.
• Mentor and support junior engineers, fostering a culture of learning and growth.
• Continuously identify opportunities for process and technology improvements.

Required Skills

• Strong proficiency in .NET Core/.NET 6+ and C#.
• Hands-on experience with Entity Framework Core.
• Proven ability to develop robust, secure APIs and backend services.
• Experience integrating backend services with React.js frontends.
• Solid understanding of software engineering best practices, including code reviews and testing.
• Strong problem-solving skills and attention to detail.
• Excellent collaboration and communication abilities.
• Experience working in agile, cross-functional teams.

Nice to Have

• Experience with Kubernetes, EKS, or containerization technologies.
• Familiarity with observability and Open telemetry tools.
• Knowledge of infrastructure-as-code tools such as Terraform, AWS CDK, or CloudFormation.
• Background in financial technology, procurement systems, or ERP platforms.

Why Join CORE

Join CORE to work on cutting-edge fintech products that automate and transform global finance and procurement operations. Tackle complex technical challenges alongside talented peers in a collaborative, growth-oriented environment. Enjoy opportunities to expand your skills, influence platform architecture, and make a tangible impact on innovative solutions used by leading organizations worldwide.