{"id":1746021,"url":"https://alion.io/job/zayo-group-senior-software-engineer-application-development","title":"Senior Software Engineer - Application Development","company":{"id":630,"name":"Zayo Group","domain":"zayo.com","url":"https://alion.io/company/zayo-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":79,"open_postings":12,"ghost_share":0,"stale_share":0.833,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":95100,"max":146300,"currency":"USD","period":"year","gross":null,"usd_annual":146300},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Alembic","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"ElasticSearch","optional":false},{"name":"FastAPI","optional":false},{"name":"GitLab CI","optional":false},{"name":"Grafana","optional":false},{"name":"gRPC","optional":false},{"name":"Helm","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"NATS","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prometheus","optional":false},{"name":"Pydantic","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"SQL","optional":false},{"name":"SQLAlchemy","optional":false},{"name":"Terraform","optional":false},{"name":"VictoriaMetrics","optional":false},{"name":"Apache Kafka","optional":true},{"name":"GitOps","optional":true},{"name":"Loki","optional":true},{"name":"RabbitMQ","optional":true}],"status":"closed","first_seen_at":"2026-10-02T00:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-11T05:13:41Z","board_verified":false,"closed_at":"2026-10-11T05:13:41Z","days_open":9,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":9},"description":"Company Description\nZayo provides mission-critical bandwidth to the world’s most impactful companies, fueling the innovations that are transforming our society. Zayo’s 141,000-mile network in North America and Europe includes extensive metro connectivity to thousands of buildings and data centers. Zayo’s communications infrastructure solutions include dark fiber, private data networks, wavelengths, Ethernet, and dedicated Internet access. Zayo serves wireless and wireline carriers, media, tech, content, finance, healthcare and other large enterprises.\nDo you enjoy turning complex technical challenges into reliable, well-designed software? Are you passionate about building applications, integrations, and services that power your organization? If so, then we want you on our team!\nWe’re looking for a talentedSenior Software Engineer, Application Development to join our growing team. In this role, you’ll help design, build, deploy, and support software services that power network observability across Zayo. This is a hands-on individual-contributor role. You will own complex services and cross-service capabilities, translate ambiguous operational needs into scalable solutions, mentor other engineers, and establish practical engineering standards. You will partner with Software Architecture, Network Operations, SRE, DevOps, Infrastructure, Security, product stakeholders, and network-domain experts to ensure services are secure, testable, deployable, observable, resilient, and supportable in production.\nTechnology Environment\nOur environment includes technologies such as:\nBackend: Python 3.11+, FastAPI, gRPC, Pydantic, Protobuf, SQLAlchemy, and Alembic \nData and messaging: PostgreSQL, NATS, Redis and asynchronous messaging \nPlatform and delivery: Docker, Kubernetes, GitLab CI, Helm, and Terraform \nObservability and networking: Prometheus, Grafana, OpenTelemetry, Elasticsearch, VictoriaMetrics, gNMI, SNMP, NETCONF, and vendor APIs \nThe technology mix varies by service. Equivalent experience with comparable frameworks, messaging platforms, databases, and infrastructure technologies is welcome.\nResponsibilities\nLead the architecture, design, implementation, and operation of complex backend Python services, APIs, and data-processing workflows, translating ambiguous requirements into clear technical approaches while remaining hands-on in the codebase. \nDesign asynchronous and event-driven integrations and establish scalable patterns for API and event contracts, schema evolution, validation, error handling, database migrations, backward compatibility, and distributed-system reliability. \nMake and document technical decisions that balance delivery speed, operational risk, maintainability, scalability, and long-term platform direction; contribute to technical roadmaps and modernization efforts. \nLead design and code reviews, establish practical standards for Python, testing, security, observability, and documentation, and mentor engineers in breaking down complex work and delivering incrementally. \nImprove CI/CD practices and partner with SRE and DevOps on container images, Kubernetes deployments, infrastructure as code, secrets management, environment configuration, deployment verification, and rollback. \nDefine production-readiness expectations through service-level indicators, metrics, dashboards, alerts, performance testing, capacity analysis, and resilience testing. \nLead complex incident investigations, address root causes and corrective actions, and drive systemic risks spanning multiple services, repositories, teams, or environments to resolution. \nCoordinate technical dependencies across internal projects and platforms, working with Network Operations and other users to ensure solutions measurably improve operational outcomes. \nRequired Qualifications:\nAdvanced Python development experience, including structuring, testing, packaging, and operating long-lived backend applications. \nExperience leading the design or delivery of distributed services, APIs, data platforms, network tools, or automation systems, including asynchronous or event-driven integrations. \nStrong knowledge of relational databases, SQL, data modeling, transaction behavior, indexing, and controlled schema migrations. \nHands-on experience with Linux, Docker, containerized services, CI/CD pipelines, and automated software-quality and security controls. \nExperience implementing production observability and diagnosing complex problems across application code, infrastructure, databases, messaging systems, and external dependencies. \nDemonstrated ownership of production software through delivery, deployment, monitoring, incident response, and continual improvement. \nDemonstrated technical leadership through architecture, mentoring, project leadership, design reviews, code reviews, or cross-team influence, with the ability to communicate technical decisions and tradeoffs clearly. \nPreferred Qualifications:\n Experience developing software solutions within the telecommunications industry, with an understanding of carrier networks, network operations, service assurance, network inventory, provisioning, transport/IP technologies, or telecommunications operational support systems (OSS).\nExperience with FastAPI, Pydantic, SQLAlchemy, Alembic, gRPC, Protobuf, or comparable technologies. \nExperience with NATS, Kafka, RabbitMQ, Redis, or another production messaging platform. \nExperience with Kubernetes, Helm, Terraform, GitLab CI, GitOps, or progressive-delivery tooling. \nExperience with Prometheus, Grafana, OpenTelemetry, Elasticsearch, Loki, VictoriaMetrics, service-level objectives, or advanced performance and resilience testing. \nExperience with network telemetry protocols such as gNMI, SNMP, or NETCONF and integrations with network inventory, alarming, service-assurance, or orchestration platforms. \nExperience processing high-volume operational telemetry or building software for NOC, SRE, infrastructure, network-engineering, or telecommunications environments. \nEducation And Experience\nMinimum of seven (7) years of professional software development experience, or equivalent demonstrated experience designing and operating complex production systems. \nBachelors degree in Computer Science, Information Technology OR equivalent relevant professional experience. \nEstimated base salary range: $95,100 - $146,300 USD/annually.\n#LI-Remote\nThe base pay range shown is a guideline and reasonable estimate for this role. It takes into account the wide variety of factors that are considered in making compensation decisions. Actual compensation offered may vary from the posted range based upon geographic location, work experience, skill level, certifications, and other business and organizational needs. Non- sales roles may be eligible to participate in a discretionary annual incentive plan. Sales roles may be eligible to participate in a sales incentive plan.\nAdditionally, this position may be eligible for certain benefits, such as health insurance, life insurance, disability retirement plans, paid time off.\nThe posting will be active for a minimum of 3 days. The active posting will continue to extend by 3 days until the position is filled.\nBenefits, Rewards & Wellness\nExcellent Health, Dental & Vision Insurance\nRetirement 401(k) Savings Plan\nGenerous paid time off policy including paid parental leave\nZayo is an equal opportunity employer to all protected groups, including protected veterans and individuals with disabilities. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact us.\nThis policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.\nAs part of the application, hiring, onboarding, and/or employment process, Zayo or its affiliates, partners, and vendors may collect, store, and use biometric identifiers and biometric information (collectively, “Biometric Data”), such as fingerprints, facial geometry scans or other unique biological characteristics. Zayo uses CLEAR1, a third-party identity verification service, to verify applicant identity during the hiring process. CLEAR1 may collect Biometric Data, including facial geometry scans and/or other biometric identifiers, to authenticate your identity. Biometric Data will be retained pursuant to CLEAR1’s policies, which can be found here: https://www.clearme.com/clear1-credential-policy-crp. Zayo will not sell, lease, trade, or otherwise profit from any applicant's or employee's Biometric Data. By proceeding with your application, you acknowledge this disclosure. Prior to any collection of Biometric Data - including through CLEAR - you may be presented with a separate consent form and asked to provide your written authorization in accordance with applicable federal, state, and local laws, including the Illinois Biometric Information Privacy Act (BIPA), the Texas Capture or Use of Biometric Identifier Act (CUBI), and other applicable biometric privacy statutes.","description_format":"text","description_chars":9157,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Health insurance","Life insurance","Parental leave","Retirement plans","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Centers & Colocation","Network Interconnect","Optical Communications"],"lifecycle":[{"event":"open","at":"2026-10-03T05:53:45Z"},{"event":"close","at":"2026-10-11T05:13:41Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 9 · green card filings: 3","filings_12m":9,"filings_prev_12m":5,"green_card_filings_12m":3,"median_offered_wage_usd":126250,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":2}],"liveness":null,"pay":{"stated_usd_annual":146300,"is_top_pay":false},"html_url":"https://alion.io/job/zayo-group-senior-software-engineer-application-development","json_url":"https://alion.io/job/zayo-group-senior-software-engineer-application-development.json","meta":{"generated_at":"2026-10-11T19:02:26Z","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":5441,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-12T00:00:00Z"}},"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":630},"rest":"https://alion.io/mcp/rest/get_company?id=630"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fzayo-group-senior-software-engineer-application-development"},{"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%2Fzayo-group-senior-software-engineer-application-development"},{"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%2Fzayo-group-senior-software-engineer-application-development"},{"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/zayo-group-senior-software-engineer-application-development\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fzayo-group-senior-software-engineer-application-development"}]}