Senior Software Engineer - .Net

ADP is hiring a Full Stack .NET based AWS Senior Software Engineer

Being able to work independently with minimal guidance, the ideal candidate will have strong business acumen, broad technical skills, and experience managing enterprise development and integration projects. The successful candidate will have a strong understanding of advanced C#.Net, SQL & NoSQL databases and experience of building cloud native REST APIs and serverless applications.

Technical leadership, including the ability to coach and train other developers and to drive continuous improvement through established agile practices is key to this role. You will be comfortable spending more time supporting others than hands‑on coding yourself. In addition, you will be a champion for quality with recognition for the importance of automated testing, meeting non‑functional requirements, maintaining operational tooling, and enabling continuous delivery. This role requires a deep understanding of both front‑end and back‑end technologies, cloud infrastructure, and a strong commitment to best practices.

The role provides leadership and guidance for modern technology roll out across teams, ensuring the success for the modernization of ADP products.

WHAT YOU'LL DO:

• Provide technical guidance and mentorship to a team of software engineers, fostering a culture of continuous improvement and innovation.
• Be a catalyst for strong agile behaviors – working alongside the scrum master to enable engineers to have responsibility and authority for their work and for the team to be introspective and self‑correcting.
• Set the gold standard for the team's output and inspire others to deliver to it by following your example.
• Guide the team to deliver at a predictable cadence without compromising quality or non‑functional concerns.
• Provide strong governance within the team to ensure adherence to the principles as laid out by the system architecture.
• Build good relationships with other functions such as Architecture, Product, other development teams and the wider business to ensure your team is building the right solutions in the right way.
• Ensure outcomes are identified and measured for success.
• Conduct code reviews, enforce coding standards, and ensure the quality and maintainability of the codebase.
• Identify and resolve performance bottlenecks in applications and optimize the use of cloud resources.
• Implement best practices for application security, data protection, and compliance with relevant regulations.
• Maintain growth through awareness of modern technologies, both for yourself and the team.
• Drive improvement individually and collectively, mentoring as the need arises and through dedicated sessions.
• Provide transparency to other parts of the organization on project progress, team maturity and ongoing challenges.
• Speak confidently about the technology used in each product and the associated benefits and drawbacks.
• Liaise regularly with internal onshore and offshore delivery teams including other ADP technology business units.
• Maintain a focus on how the software will deliver value to the end user and how it can be tested, deployed, maintained and operated.
• Ensure the work undertaken by the team is well scoped and clearly defined.
• Maintain awareness and support of ADP policies and procedures.

Key Skills and Qualifications

• Experience in building, delivering and operating APIs at high availability and scale.
• Knowledge of automated testing frameworks and testing best practices.
• Deep understanding of agile engineering practices.

Technical Expertise

• Proficient in .NET Core, C# and related technologies.
• Strong experience with front‑end technologies such as React, StencilJS, Web‑components & TypeScript.
• In‑depth knowledge of AWS services, including but not limited to ECS, S3, Lambda, RDS, API Gateway, CDK.
• Experience with containerization technologies such as Docker.
• Proficient in SQL and NoSQL databases (e.g. SQL Server, PostgreSQL, DynamoDB).
• Strong understanding of RESTful APIs and microservices architecture.

Leadership and communication

• Proven track record of leading and delivering complex software projects from conception to production in an agile environment.
• Proven experience in leading and mentoring software engineering teams.
• Excellent communication skills, with the ability to articulate technical concepts to both technical and non‑technical stakeholders to help drive fast decisions.

Cloud and DevOps

• Extensive experience with AWS cloud architecture and services.
• Experience with automated testing, and infrastructure as code (IaC) using tools like AWS CDK, Terraform etc.

Design Principles

• Strong understanding of good coding and testing practices such as clean code, SOLID and TDD.

Problem‑Solving and Analytical Skills

• Strong problem‑solving skills and the ability to think critically and creatively.
• Ability to make informed decisions under pressure and handle multiple projects simultaneously.

Education and Experience

• Bachelor's degree in computer science, engineering, or a related field (master's preferred).
• Extensive commercial track record in software development, with a focus on full‑stack development and cloud‑based applications.
• AWS certifications (e.g., AWS Certified Solutions Architect, AWS Certified Developer) are a plus.

Preferred Skills and Qualifications

• Commercial track record of hands‑on experience in design, development, and delivery of cloud‑based applications.
• Understanding of modern web development, JavaScript frameworks and Micro Frontends.
• A good understanding of modern distributed systems concepts and the challenges involved.
• Ability to devise action‑oriented scheduling leading to delivery.
• Proven ability to partner effectively across functions, in complex organizations.
• Patience and dedication, with the ability to navigate complex environments through product knowledge and leadership style.
• The ability to adapt to change.
• Ability to identify, and focus on, what is important (Time Management and priorities tasks).

Desirable skills and qualifications

• Experience of Payroll processes.
• Experience of HR processes.

Diversity, Equity, Inclusion & Equal Employment Opportunity at ADP

ADP is committed to an inclusive, diverse and equitable workplace, and is further committed to providing equal employment opportunities regardless of any protected characteristic including: race, color, genetic information, creed, national origin, religion, sex, affectionate or sexual orientation, gender identity or expression, lawful alien status, ancestry, age, marital status, protected veteran status or disability. Hiring decisions are based upon ADP's operating needs, and applicant merit including, but not limited to, qualifications, experience, ability, availability, cooperation, and job performance.

Ethics at ADP

ADP has a long, proud history of conducting business with the highest ethical standards and full compliance with all applicable laws. We also expect our people to uphold our values with the highest level of integrity and behave in a manner that fosters an honest and respectful workplace. Click to learn more about ADP's culture and our full set of values.

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