Senior Software Engineer

Wearehaystack — United Kingdom · Posted ~8 hours ago

Senior Full-time Hybrid

Skills

software development technical leadership code quality Python Java CI/CD SQL

🔓 Log in to save this job, tailor your resume & track your apply process — 7 days free, no card needed.

Log in to add to target list

Summary ✨ AI‑Generated

This role requires ownership of technical domains, collaboration with technical stakeholders, and delivery of high-quality code through rigorous engineering practices.

Highlights

Play a key role in delivering large-scale projects while mentoring junior engineers and contributing to technical excellence.

Description

We’re supporting a growing organisation looking for an experienced Senior Software Engineer to join its engineering community and play a key role in delivering large-scale, operationally critical client projects. This is a hands-on technical role for an experienced engineer who is ready to take ownership of key areas of a project while supporting and mentoring more junior members of the team. What you’ll be doing Taking ownership of one or more areas of a project and delivering high-quality, well-tested code.Upholding technical quality standards across your project, including build pipelines, code quality, testing and source control.Contributing to technical discussions and helping stakeholders and teams align around effective solutions.Contributing to requirements analysis and solution design.Leading the breakdown of requirements into development tasks and providing task-level estimates.Supporting Mid-Level Engineers with delivery activities, including stakeholder communication, task estimation and technical quality practices.Supporting impact assessments for proposed changes.Reviewing processes and tools to identify opportunities for continuous improvement.Building deep expertise in one or more technologies aligned with the organisation’s technology ecosystem.Contributing to solutions that are secure, scalable and cost-conscious.Using AI-assisted engineering tools, such as AI coding assistants, automated code review and test generation, to support delivery while applying sound engineering judgement to their output. What we’re looking for Experience working in client-facing delivery teams, with strong stakeholder communication skills.Hands-on experience delivering features within large-scale software development projects.Experience working within Agile software development environments and continuous delivery.Strong experience with .NET Core, ASP.NET Core and C#.Experience with SQL and NoSQL databases.Experience with cloud platforms such as AWS and/or Azure.Experience with JavaScript/TypeScript frameworks.A good understanding of Agile software development practices and tools.Experience incorporating AI-assisted development tools, such as GitHub Copilot, Claude Code or similar, into your day-to-day workflow. It would be great if you also have experience with Client-facing experience gained within a technical consultancy or software vendor.Mentoring or supporting junior engineers.System-to-system integration and interoperability.Common design patterns and approaches, such as event-driven architecture, CQRS or Domain-Driven Design.Integrating AI-powered features, such as chatbots or intelligent automation, into existing applications.Platform engineering practices, such as internal developer platforms, paved-road tooling or self-service infrastructure. What’s on offer? Competitive salary.Flexible annual leave, including options to buy, sell and carry forward leave.Twice-yearly tax-free bonus opportunities, subject to company performance.Continuous training, development and career support.Employer pension contributions.Flexible healthcare benefits.A strong social calendar, including annual events, away days and regular team socials.Cycle-to-work and green vehicle schemes.Opportunities to support charity, community and initiatives that encourage greater diversity in technology.Hybrid and flexible working, allowing you to vary when and where you work to support collaboration, creativity and focused working. Location: Hybrid / Flexible Role: Senior Software Engineer If you’re an experienced Software Engineer looking for a hands-on senior role where you can take ownership of technical delivery, support other engineers and work on large-scale projects, get in touch to find out more.