{"id":2809779,"url":"https://alion.io/job/atlas-labs-senior-back-end-engineer","title":"Senior Back-End Engineer","company":{"id":4446263,"name":"Atlas Labs","domain":"atlaslabs.com.au","url":"https://alion.io/company/atlas-labs","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rooster","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Colombo, Sri Lanka"],"countries":["LK"],"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":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"Django","optional":false},{"name":"Django REST Framework","optional":false},{"name":"Firebase","optional":false},{"name":"Git","optional":false},{"name":"gRPC","optional":false},{"name":"Jira","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"Trello","optional":false},{"name":"Axum","optional":true},{"name":"Reqwest","optional":true},{"name":"Rust","optional":true},{"name":"Serde","optional":true}],"status":"live","first_seen_at":"2026-06-26T10:14:24Z","employer_posted_date":"2026-07-15","last_verified_at":"2026-10-28T12:54:27Z","board_verified":true,"closed_at":null,"days_open":124,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":123},"description":"We’re on the lookout for a Senior Back - End Engineer that performs at a world-class level, demonstrates impeccable attention to detail, and consistently delivers with excellence.About Atlas Labs:\nAtlas Labs is a progressive technology company focused on creating exceptional technology products and services that propel progress and have a positive impact on the world.\nAt the heart of everything we do is to liaise our culture of passion, commitment and excellence. We're all about cultivating an environment where creativity thrives and excellence is the norm. With a burning passion to achieve greatness, we're committed to going above and beyond to deliver the best possible outcomes for our clients and ourselves.\nTechnical Core\nDegree in Software Engineering, an equivalent field, or proven equivalent professional experience.\n3+ years of strong Python backend experience, with deep expertise in Django 5 and Django REST Framework (including ORM modeling, migrations, serializers, permissions, and robust API design).\nProficiency with database technologies, specifically PostgreSQL and MySQL, including schema migrations and data seeding.\nComfortable working with Redis, Dramatiq workers, background jobs, and handling production debugging of data or queue issues.\nStrong experience designing and implementing microservices and event-driven architectures using REST, gRPC, and protobuf interfaces.\nExperience integrating backend services with Firebase Auth/Admin.\nConfident working with Dockerized services and familiar with AWS or other cloud environments.\nExperience in creating and optimizing agentic development workflows.\nProven track record of thoroughly testing APIs to ensure top-tier performance, security, and reliability.\nLeadership & Collaboration\nDeep understanding of Git workflows, branching strategies, code reviews, and quality assurance processes to maintain high standards.\nExperience in mentoring junior developers and elevating their technical and professional skills.\nFamiliarity with agile tools like Jira, Trello, or Asana.\nExcellent written and oral English communication skills, with a collaborative, teamwork-oriented mindset.\nBonus Points\nRust service experience, especially with Tokio, Axum, Reqwest, and Serde.\nApply Today:\nDon't meet every single requirement? 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