{"id":2844446,"url":"https://alion.io/job/belmont-lavan-senior-mendix-developer-12-months-contract","title":"Senior Mendix Developer 12 Months Contract","company":{"id":668914,"name":"Belmont Lavan","domain":"belmontlavan.com","url":"https://alion.io/company/belmontlavan","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Amsterdam, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":53000,"max_usd":109000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":14},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":true},{"name":"CI/CD","optional":true}],"status":"live","first_seen_at":"2026-10-19T10:26:56Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-20T05:07:27Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Mendix Development: 8-10 years of hands-on experience in Mendix application development, with a proven track record of delivering enterprise-grade Mendix solutions. Candidates must hold an active Mendix Expert Certification.\nEnterprise System Integration: Strong experience designing, developing, and deploying Mendix applications integrated with Siemens Teamcenter or comparable enterprise platforms such as PLM, ERP, or MES systems. Hands-on experience with Siemens Teamcenter PLM is highly desirable.\nApplication Architecture & Domain Modelling: Expertise in designing high-performance, normalized, and scalable Mendix domain models, with a strong focus on data integrity, security, performance optimization, maintainability, and enterprise scalability.\nSecurity & Performance: Strong understanding of Mendix security architecture, including role-based access, entity-level security, data access controls, and best practices for optimizing application and database performance.\nAutomated Testing: Hands-on experience implementing and maintaining automated testing frameworks, including Mendix Application Test Suite (ATS), unit testing, automated regression testing, and/or API testing.\nDeployment & Release Management: Solid understanding of CI/CD pipelines, deployment processes, environment management, version control, and release management for Mendix applications. Experience deploying applications in cloud-based and/or containerized Mendix hosting environments is required.\nCloud & Container Technologies: Practical experience working with modern cloud or containerized environments and understanding the deployment, configuration, monitoring, and maintenance of enterprise Mendix applications.\nAgile Delivery: Proven experience working within Agile enterprise delivery frameworks, collaborating effectively with cross-functional teams, product owners, architects, and business stakeholders. Experience working within SAFe (Scaled Agile Framework) environments is preferred.\nEnterprise Delivery Experience: Strong communication, problem-solving, and stakeholder-management skills, with the ability to work independently on complex enterprise applications and contribute to technical design and delivery decisions.\nRequirements\n8-10 years of hands-of Mendix application development, holding an active Mendix Expert Certification.\nProven track record of building and deploying Mendix applications integrated with Siemens Teamcenter or similar enterprise systems (PLM/ERP/MES). Teamcenter PLM knowledge is a strong advantage.\nExpertise in designing performant, normalized, and highly efficient domain models with a strong focus on data security , performance optimization, and enterprise scalability.\nExperience implementing automated testing frameworks (e.g., Mendix Application Test Suite / ATS, unit testing, or automated API testing).\nSolid understanding of deployment pipelines, release management, in containerized/cloud Mendix hosting environments.\nPractical experience working within Agile enterprise frameworks, preferably SAFe (Scaled Agile Framework).","description_format":"text","description_chars":3070,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-19T10:26:56Z"}],"visa":[],"liveness":{"score":52,"band":"ok","label":"Likely open","p_open":1,"p_active":0.516,"p_room":1,"age_days":0,"expected_fill_days":70,"reasons":["conf:0","agency","win:early"],"computed_at":"2026-10-20T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/belmont-lavan-senior-mendix-developer-12-months-contract","json_url":"https://alion.io/job/belmont-lavan-senior-mendix-developer-12-months-contract.json","meta":{"generated_at":"2026-10-20T06:20:39Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":6791,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":668914},"rest":"https://alion.io/mcp/rest/get_company?id=668914"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbelmont-lavan-senior-mendix-developer-12-months-contract"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fbelmont-lavan-senior-mendix-developer-12-months-contract"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fbelmont-lavan-senior-mendix-developer-12-months-contract"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/belmont-lavan-senior-mendix-developer-12-months-contract\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbelmont-lavan-senior-mendix-developer-12-months-contract"}]}