Senior Software Developer (CMS)

Software Development Engineer (Senior) – Hybrid

Role Description

As a Senior Software Development Engineer at DOCOsoft, you will play a critical role in designing, building, and evolving high-quality software systems that power solutions for the London and Global Insurance Markets. You will operate with a high degree of autonomy, technical authority, and accountability, contributing not only through hands‑on development but also through architectural decision‑making, technical leadership, and mentorship.

You will work closely with product owners, architects, and fellow engineers to translate business needs into scalable, resilient, and maintainable systems, while actively raising engineering standards across the team.

This role is for an experienced engineer who owns outcomes, not just tasks. You will be responsible for shaping technical solutions end‑to‑end from requirements and design through implementation, testing, deployment, and ongoing evolution.

You will be expected to make sound technical decisions, identify and mitigate risk early, challenge assumptions, and contribute to the long‑term health of the codebase and platform. You will act as a technical reference point within the team and provide guidance to less experienced engineers.

Responsibilities

• Own the design and implementation of complex features and subsystems, ensuring they meet functional, performance, security, and maintainability requirements.
• Drive technical design and architecture discussions, producing clear, pragmatic designs aligned with system and business goals.
• Take accountability for code quality, system reliability, and operational stability, not just individual contributions.
• Mentor and support mid‑level and junior engineers, providing technical guidance, feedback, and code review leadership.
• Identify technical debt, scalability issues, and architectural risks, and proactively propose and deliver improvements.
• Collaborate closely with product owners and stakeholders to clarify requirements, challenge ambiguity, and shape solutions.
• Lead by example in engineering best practices, including testing strategies, CI/CD usage, documentation, and secure coding.
• Contribute to estimation, planning, and prioritisation, bringing realism and technical insight to delivery commitments.
• Participate in production support and incident resolution, driving root‑cause analysis and long‑term fixes.
• Influence and improve development processes within an agile/scrum environment.

Skills And Qualifications

• 5+ years of professional software development experience, including delivery of production systems at scale.
• Proven experience owning features or systems from design through production.

Core Technical Skills

• Strong expertise in C# and .NET Core.
• Deep experience with ASP.NET MVC / Web APIs.
• Strong command of SQL Server and T‑SQL, including performance considerations.
• Advanced usage of Git, including branching strategies and code review workflows.

Engineering Practices

• Solid understanding and practical application of software architecture principles, design patterns, and SOLID.
• Hands‑on experience with test‑driven development and layered testing strategies.
• Strong experience with:
  • Unit testing (xUnit, NUnit)
  • Mocking frameworks (Moq or equivalent)
  • Integration and E2E testing (e.g., Playwright)
• Experience designing and consuming RESTful APIs with OpenAPI (Swagger).

Architecture & Platforms

• Strong understanding of authentication and authorization (OAuth2, OpenID Connect; SAML knowledge a plus).
• Familiarity with cloud‑native patterns, resilience, and scalability concerns.

Nice to Have

• Frontend experience with React, Angular, or Vue.js.
• Experience with Docker and container‑based deployments.
• Practical involvement in CI/CD pipeline design and optimisation.
• Experience with caching strategies (e.g., Redis).
• Exposure to OData, UML, or architectural documentation.
• Previous experience influencing or defining technical standards.
• Agile certifications (CSM / PSM).

What Success Looks Like in This Role

After 6–12 months, a successful Senior Engineer at DOCOsoft:

Delivers Through Ownership

• Independently owns complex features or subsystems from design through production and support.
• Translates ambiguous business requirements into clear, pragmatic technical solutions.
• Delivers work predictably, with minimal rework or late‑stage surprises.

Improves System Quality and Stability

• Leaves the codebase measurably easier to maintain and extend than they found it.
• Proactively identifies and addresses technical debt, performance issues, and reliability risks.
• Reduces recurring defects and contributes to more stable production releases.

Raises Engineering Standards

• Sets a visible example in code quality, testing discipline, and documentation.
• Provides high‑quality code reviews that improve design and maintainability, not just syntax.
• Influences team practices around testing, CI/CD, and development workflows.

Multiplies Team Effectiveness

• Acts as a technical reference point for less experienced engineers.
• Coaches mid‑level and junior engineers toward greater independence.
• Unblocks teammates and shares context to keep delivery moving.

Demonstrates Sound Technical Judgment

• Makes well‑reasoned trade‑offs between speed, quality, and long‑term maintainability.
• Challenges requirements and designs constructively when risks or gaps are identified.
• Avoids over‑engineering while ensuring solutions are fit for scale and longevity.

Owns Outcomes in Production

• Takes responsibility for production issues related to their work.
• Leads or contributes meaningfully to incident investigation and root‑cause analysis.
• Drives permanent fixes rather than temporary workarounds.

Earns Trust and Autonomy

• Is trusted by peers and leadership to handle high‑impact or high‑risk work.
• Requires minimal oversight and uses autonomy responsibly.
• Is actively sought out for technical input and decision‑making.

Who We Are

DOCOsoft is a leading software and services provider to Lloyd’s of London and the broader London insurance market. Since our foundation, we have grown to become one of the leading insurance software specialists in the London Insurance Market. We are a growing team of over 95 colleagues based in Dublin, London, Tokyo, Portugal, Spain, India and Poland.

Here’s What We Have To Offer

DOCOsoft aspires to be a market leader in the technology sector, and we are always looking for new ways to approach projects or improve existing content. We look to hire people that will help us achieve this with hard work, enthusiasm and an expression of their own ideas.

• The opportunity to impact our growing business- everyone’s contribution matters!
• A team environment that is focused on the creation and delivery of great products for our clients.
• Exciting challenges to grow and enhance their skills.
• A competitive pay and benefits package including:
  • 25 days Annual Leave
  • Private pension
  • Bonus scheme
  • Private health
  • Life assurance

Equal Opportunity Employer

DOCOsoft is committed to building an inclusive and diverse team that represents a variety of backgrounds, experiences and perspectives. We welcome applications from all suitably qualified candidates, and do not discriminate on the grounds of race, religion, gender, marital or family status, age, disability, sexual orientation, membership of the travelling community or any other basis as protected by applicable law.

Should you require reasonable accommodations during any stage of the recruitment process, please let us know.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Software Development

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