{"id":2294943,"url":"https://alion.io/job/aliancers-sr-backend-developer","title":"Sr. Backend Developer","company":{"id":3875532,"name":"Aliancers","domain":"aliancers.com","url":"https://alion.io/company/aliancers","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"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":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":87000,"max_usd":216000,"period":"year","method":"global_role_seniority_cell","sample_n":6328},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CloudFormation","optional":false},{"name":"JavaScript","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Terraform","optional":false},{"name":"TypeScript","optional":false},{"name":"Apache Kafka","optional":true},{"name":"CI/CD","optional":true},{"name":"Docker","optional":true},{"name":"RabbitMQ","optional":true}],"status":"live","first_seen_at":"2026-10-11T18:29:44Z","employer_posted_date":null,"last_verified_at":"2026-10-11T18:29:44Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"As a Sr. Backend Engineer you will:\nArchitect and develop high-performance backend services using NestJS, ensuring scalability and maintainability\n\nDesign and optimize PostgreSQL database schemas and query performance\n\nImplement complex business logic and integration patterns for financial service workflows\n\nCreate and maintain RESTful APIs with exceptional performance characteristics\n\nDevelop robust data modeling strategies that support complex financial service configurations\n\nLead backend system design and technical decision-making\n\nLeverage AWS cloud services to build scalable and reliable infrastructure\n\nMentor junior engineers and contribute to the overall engineering team culture\n\nImplement comprehensive testing strategies, including unit and integration testing\n\nEstablish and maintain backend observability and monitoring infrastructure\n\nCollaborate closely with frontend, product, and design teams to ensure seamless system integration\n\nYou'll be a great fit if you have:\n7+ years of professional JavaScript development experience\n\n7+ years of professional Node.js development experience\n\nExtensive experience with NestJS framework\n\n6+ years of professional experience with PostgreSQL and relational database design\n\nFluency in English & Spanish (Must). 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