{"id":2914580,"url":"https://alion.io/job/artevie-software-engineer-backend-mwd","title":"Software Engineer Backend (m/w/d)","company":{"id":2040410,"name":"artevie","domain":"artevie.de","url":"https://alion.io/company/artevie","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zoho Recruit","truth_index":{"grade":"C","score":63,"open_postings":61,"ghost_share":0.623,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Luxembourg City, Luxembourg"],"countries":["LU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Bash","optional":false},{"name":"CI/CD","optional":false},{"name":"Composer","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GnuPG","optional":false},{"name":"Go","optional":false},{"name":"JavaScript","optional":false},{"name":"Laravel","optional":false},{"name":"Least Privilege","optional":false},{"name":"Less","optional":false},{"name":"Linux","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"PHP","optional":false},{"name":"PHPUnit","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"Rust","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false},{"name":"Symfony","optional":false},{"name":"Active Directory","optional":true},{"name":"LDAP","optional":true},{"name":"UML","optional":true}],"status":"live","first_seen_at":"2026-09-11T00:00:00Z","employer_posted_date":"2026-09-11","last_verified_at":"2026-10-25T06:09:03Z","board_verified":true,"closed_at":null,"days_open":44,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":44},"description":"Support Engineer (m/w/d) (English Speaker)\nLocation: Belvaux\nEmployment type: Permanent position, 40 hours/week, CDI (permanent contract)\nStarting date: As soon as possible\nHome-Office Option: Flexibel\nFlexible working hours: yes, with core working hours 9:00 -18:00\nAbout our client\nOur clients is an innovative,\ninternationally oriented software company based in Luxembourg.\nThe company develops specialized\ncybersecurity solutions and is an established provider of secure password and\ndigital credential management and sharing. Its solutions are used by companies\nand organizations worldwide, helping them securely manage sensitive credentials\nand efficiently organize access within teams.\nThe company combines open-source\ntechnology with professional solutions for both cloud and on-premises\nenvironments.\n\nYour responsibilities\nYou will join the Backend Team and contribute to the development and continuous improvement of a growing portfolio of products, including self-hosted Community and Enterprise Editions as well as a managed Cloud Edition.\nYour role will combine backend development, testing, technical analysis, documentation, deployment support, and close collaboration with Product, SRE, Security, Support, and other engineering teams.\nAs a Software Engineer, you will work on a security-first API responsible for data integrity, access rights management, secure integrations, and a seamless experience that can scale to organizations of all sizes.\nYour\nresponsibilities will include:\nDeveloping new features in PHP and CakePHP for products used daily by more than half a million users\nMaintaining, improving, and fixing bugs in the existing codebase\nTransforming functional specifications into reliable API workflows while ensuring backward compatibility and security\nDesigning and implementing robust business logic, REST API endpoints, and secure integrations\nParticipating in code reviews to identify defects and potential improvements before release\nWriting unit tests with a target of 80% coverage to ensure functionality and prevent regressions\nDeveloping end-to-end tests covering critical user journeys and different usage scenarios\nOptimizing code for performance, scalability, maintainability, and simplicity\nEnsuring compatibility across multiple platforms and environments\nSupporting the Support Team in refining feature requests and bug reports received from customers and the community\nCollaborating with Product Owners to define effective functional approaches to new business cases\nDefining comprehensive and iterative technical approaches to complex functional problems\nIdentifying opportunities for long-term structural and architectural improvements and proposing solutions\nContributing to technical documentation, including OpenAPI specifications, SDKs, user guides, and administrator documentation\nSharing technical findings, best practices, and knowledge internally through documentation and presentations\nSupporting release activities by preparing release readiness and assisting with rollout activities\nCollaborating closely with SRE teams to maintain reliable CI/CD pipelines and reduce deployment risks\nProviding technical support during incidents by investigating issues and implementing fixes to restore system stability\nParticipating in blameless postmortems, contributing to root cause analysis, and implementing corrective actions in the codebase\nManaging your own priorities, deadlines, and deliverables to meet team commitments\nCommunicating progress, risks, and technical decisions clearly and proactively\nSupporting colleagues through pair programming, knowledge sharing, and collaboration\nEnsuring that every change request includes an appropriate security risk analysis and proposed mitigations\nApplying secure coding and design practices throughout the development lifecycle\nMonitoring project dependencies for security vulnerabilities and supporting the Security Team in assessing their impact\nPatching dependency vulnerabilities while ensuring that updates do not introduce regressions\nEnsuring that product development activities comply with GDPR and other applicable data protection regulations\nCollaborating with Security and Senior Management to maintain up-to-date policies and risk registers\nSupporting the implementation of least-privilege access and appropriate segregation of roles and responsibilities\nParticipating in security exercises and helping improve security, crisis management, and incident response processes\nYour Profile\nBachelor’s degree or university qualification in Software Engineering, Computer Science, Electronics, or a comparable field, or equivalent professional experience and certifications\nAt least 3 years of professional experience developing PHP applications\nStrong experience building backend applications with CakePHP, Laravel, or Symfony\nProficient in PHP and SQL\nStrong experience with PHPUnit and automated software testing\nGood knowledge of REST APIs and OpenAPI specifications\nGood knowledge of Git and modern branching models\nExperience with Docker and containerized development environments\nGood knowledge of Linux and macOS environments\nExperience with Bash or another programming language such as JavaScript, Python, Go, or Rust\nStrong understanding of OWASP Top 10 vulnerabilities and secure coding practices\nFamiliarity with HTML, CSS, and Less\nFamiliarity with Agile/Scrum development methodologies\nExperience working with Composer and modern PHP development workflows\nKnowledge of OpenPGP and GnuPG, or a strong interest in cryptography and secure software development\nStrong understanding of software quality, maintainability, performance, and scalability\nStrong analytical and problem-solving skills, with a preference for simple and effective solutions\nAbility to balance technical excellence with business priorities and strategic goals\nComfortable working independently and taking ownership of your work while collaborating effectively with a team\nReceptive to feedback and committed to continuous improvement\nFluent in written and spoken English; knowledge of another language is an advantage\nGenuine interest in cybersecurity, privacy, and building an ethical web\nUnderstanding of and enthusiasm for open source software and communities\nComfortable working in a highly connected, internet-driven environment\nConsidered a plus:\nExperience developing large-scale, high-availability software systems\nExperience with end-to-end or performance testing\nFamiliarity with evolutionary database design\nExperience with authentication technologies such as OAuth, JWT, WebAuthn, Duo, or Yubico\nExperience integrating user directories and identity systems such as LDAP, Active Directory, or SCIM\nFamiliarity with UML and a willingness to use it for technical documentation\nExperience maintaining long-lived software projects\nExperience contributing to open source projects\nExperience working with remote teams in asynchronous environments\nExperience writing technical blog posts, articles, or giving technical talks\nExperience with cryptographic systems, OpenPGP, or GnuPG\nEven if you do not meet every single requirement, we would still love to hear from you if you have a strong software engineering foundation, demonstrate a genuine interest in cybersecurity and privacy, and are motivated to learn and contribute to an open source product used by a large international community.\nWhat you can expect \n\nA key role within the Backend Team, contributing directly to the development of core products\nThe opportunity to work on a security-first application used daily by more than half a million users\nA wide variety of technical challenges involving PHP, CakePHP, APIs, cryptography, databases, testing, and distributed environments\nThe opportunity to work across the complete software development lifecycle, from technical analysis and implementation through testing, deployment, and incident resolution\nClose collaboration with Product, Engineering, SRE, Security, Support, and other specialist teams\nThe opportunity to contribute to architectural decisions and long-term improvements to the codebase\nThe opportunity to work on a mature, long-lived open source project\nA strong focus on software quality, security, privacy, simplicity, and maintainability\nThe opportunity to contribute to extensive technical documentation and share knowledge with colleagues and the wider community\nAn environment where autonomy, ownership, feedback, and continuous learning are highly valued\nThe opportunity to contribute to products and features requested by a large and active international community","description_format":"text","description_chars":8592,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Continuous learning","Flexible schedule"],"hiring_locations":[{"name":"Luxembourg","iso":"LU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Exhibitions","Application Security","Recruiting & Staffing"],"lifecycle":[{"event":"open","at":"2026-10-20T10:26:01Z"}],"visa":[],"liveness":{"score":20,"band":"cold","label":"Long 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