Senior Software Engineer - C# | AWS
Role details
Job location
Tech stack
Job description
We're looking for an experienced Senior Software Engineer/Technical Lead to join a high-performing engineering team on a 12-month contract. You'll help design, build, and scale high-performance, data-intensive systems in a fast-paced enterprise environment.
This role suits someone who is hands-on, technically strong and passionate about engineering excellence.
What you'll do
- Lead and contribute to software design and architecture for large-scale applications
- Build clean, efficient, and scalable code across the full development life cycle
- Develop and maintain RESTful APIs and microservices using C# .NET
- Drive engineering best practices, including CI/CD, automation, code reviews, and performance tuning
- Ensure high quality and reliability through unit, integration, and BDD testing
- Collaborate closely with business and engineering stakeholders to deliver impactful solutions
- Mentor junior engineers and promote a culture of continuous improvement and technical excellence
- Continuously optimise systems for performance, scalability, and security in production, Contributes and leads development through high-quality software design and architecture
Identifies, priorities, and performs tasks in the software development life cycle
Develops tools and applications by producing clean, efficient and scalable code
Advocate for and implement engineering guidelines for excellence, including automation, code reviews, continuous integration/continuous delivery (CI/CD), and performance tuning
Ensures high quality, reliable products using unit, integration and BDD test suites
Collaborates closely with business and engineering partners to deliver products, services, improvements and solutions to meet customer needs and align with goals of the business and engineering lines
Communicates with clarity, precision, and influence, presenting complex information in a clear and concise format that is appropriate for the audience
Drive a culture of engineering excellence through mentorship, peer reviews, and promoting standard methodologies in software design and development
Continuously optimize systems for performance, scalability, and security in a fast-paced, production environment
Requirements
- 8+ years of experience as a Software Engineer in an enterprise environment
- Strong expertise in C# .NET, including REST APIs and microservices
- Solid experience with SQL Server, including database design, tSQL, and performance tuning
- Front End development experience with Angular, JavaScript, HTML/CSS
- Strong knowledge of AWS cloud services (EC2, EKS, Lambda, SQS, SNS, Glue, etc.)
- Experience with CI/CD pipelines, automation and modern DevOps practices
- Hands-on experience with unit testing and BDD frameworks (eg MSTest, tSQLt, Cucumber, Mocha)
- Strong analytical and problem-solving skills
- Experience working in Agile environments, Over 8+ years proven experience as a Software Developer, architecting, developing and testing large-scale data intensive applications in an enterprise environment
Solid Prior experience of Database modelling/design, performance tuning, and optimization
Thorough knowledge of application programming for data intensive applications on SQL Server using Stored Procedures/tSQL
Proficiency in C# .NET, including designing and implementing RESTful APIs and microservices
UI development for business-critical applications in Angular, JavaScript, HTML/CSS and other modern UI technologies
Strong understanding of AWS cloud infrastructure and native services - AWS EC2, EKS, Lambda, SQS, SNS, AWS Glue etc
Experience with unit testing frameworks (eg MSTest, tSQLt) and Behaviour-Driven Development (BDD) tools (eg Cucumber, Mocha).
Proven ability to deliver high-quality, maintainable code and systems.
Extensive experience in software engineering principles, CI/CD tools and automation processes
Strong analytical skills and a problem-solving mentality
Some experience of Business and Technical Analysis, Quality Assurance, Delivery Management, and/or Emerging Technology and Governance
Experience working in an agile environment with a focus on collaboration, automation, and continuous improvement
Experience with Financial Markets in Equities and/or Fixed Income
Prior experience with Java (including SpringBoot) and/or Python for cross-platform integrations, greenfield and Legacy systems is hugely advantageous
Familiarity with Sybase and PostgreSQL, including database management and optimization
Key Attributes:
Articulate, energetic person able to work alone or as part of a team
Excellent attention to detail but an ability to think laterally to solve business problems
Excellent interpersonal skills, both written and verbal, with the ability to work eUectively with both technical and non-technical collaborators
A passion for continuous learning and improving software engineering practices
Ability to learn quickly, work under pressure and to tight deadlines
Demonstrated ability to mentor and grow junior engineers
Creative, results driven, self-motivated and solutions oriented
Demonstrates a can-do attitude, exhibits self-confidence
