Software Engineer (.NET)

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.Join us and start building tomorrow’s world today!Job DescriptionWe are looking for a talented Software Engineer to join our growing team and support the development of innovative software solutions within a technically challenging environment.You will work on the design, implementation, and continuous improvement of modern applications, collaborating with multidisciplinary teams to deliver high-quality software that meets customer and business requirements. This role offers exposure to a variety of technologies, development practices, and complex engineering projects.Location: LondonHybrid: 3 days per week on-siteSeniority: Mid-Level to SeniorKey ResponsibilitiesDesign, develop, and maintain software applications using modern development technologiesContribute throughout the software development lifecycle, from concept and design through to deployment and supportCollaborate with technical teams to deliver robust and scalable software solutionsSupport software testing, integration, and validation activitiesParticipate in code reviews and continuous improvement initiativesProduce and maintain technical documentation where requiredAssist with troubleshooting, defect resolution, and system optimisationContribute to Agile team activities and sprint deliveryQualificationsRequired SkillsCommercial experience developing software applications using C# and .NET technologiesExperience building and supporting enterprise-level or customer-facing applicationsStrong understanding of software engineering best practices and design principlesExperience working within structured development environmentsFamiliarity with source control, build management, and modern development toolingUnderstanding of software testing approaches and quality assurance practicesStrong analytical and problem-solving skillsSoft Skills & CollaborationExcellent communication skillsStrong stakeholder engagement and teamwork abilitiesSelf-motivated with the ability to manage priorities effectivelyQuality-focused approach to software deliveryAbility to work in fast-paced project environmentsRequired QualificationsDegree in Computer Science, Software Engineering, or a related technical discipline, or equivalent industry experienceDemonstrable experience delivering software solutions within a professional settingDesirable SkillsExperience working within Agile delivery teamsExposure to cloud-based development environments and DevOps practicesKnowledge of modern software architectures and distributed systemsFamiliarity with Microsoft development tools and technologiesExperience within engineering, technology, or highly regulated industriesExposure to additional programming languages and frameworksAdditional InformationWhy join us? We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.Join a passionate team and help build tomorrow, today.In short you get: A personalised career path and a rewarding management style A huge diversity of engineering projects and industriesPrivate Medical InsuranceCycle & Tech Scheme Employee assistance programmeLife insurance & Pension SchemeSocial atmosphere, regular gatherings & team buildingsFlexible way of working (role dependent)We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.