{"id":3204473,"url":"https://alion.io/job/epsilon-sse-full-stack","title":"SSE - Full Stack","company":{"id":410,"name":"Epsilon","domain":"epsilon.com","url":"https://alion.io/company/epsilon","size_band":"5000+","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":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17500,"max_usd":41000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":168},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Angular","optional":false},{"name":"CI/CD","optional":false},{"name":"Google BigQuery","optional":false},{"name":"gRPC","optional":false},{"name":"Human-in-the-Loop","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Anthropic","optional":true},{"name":"AWS","optional":true},{"name":"AWS Bedrock","optional":true},{"name":"Azure","optional":true},{"name":"Braintrust","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"Git","optional":true},{"name":"GitHub Actions","optional":true},{"name":"JavaScript","optional":true},{"name":"Jenkins","optional":true},{"name":"Kubernetes","optional":true},{"name":"LangChain","optional":true},{"name":"Langfuse","optional":true},{"name":"LangGraph","optional":true},{"name":"LangSmith","optional":true},{"name":"LlamaIndex","optional":true},{"name":"LLM","optional":true},{"name":"OpenAI","optional":true},{"name":"Prompt Engineering","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-24T11:36:30Z","employer_posted_date":null,"last_verified_at":"2026-10-24T11:36:30Z","board_verified":false,"closed_at":null,"days_open":11,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":11},"description":"We are looking for a Senior Software Engineer (Full Stack) to help design and build scalable, high-performance platforms that power data-driven marketing and advertising use cases. This is a high-impact role for an engineer who thrives with ownership, understands system-level thinking, and enjoys working across frontend, backend, and data layers.\n\nResponsibilities: \nDesign, implement, and operate scalable, high-throughput web applications and services.\nBuild and evolve backend services, APIs, and data integrations supporting data-intensive workflows.\nDevelop modern, performant user interfaces and internal tools when needed.\nContribute to an agentic framework for the ad server platform, streaming chat surfaces, generative UI components, tool-use visualizations, and human-in-the-loop flows.\nBuild MCP servers/clients and AdCP integrations that expose ad server capabilities to internal and partner agents.\nCollaborate with product and design teams to translate business requirements into technical solutions.\nOptimize performance, troubleshoot production issues, and eliminate bottlenecks across the stack.\nChampion clean code, testing best practices, and CI/CD automation.\nContribute to system observability, monitoring, and reliability improvements.\nMentor junior engineers and actively participate in design and code reviews.\n\nRequirements: \nYears of experience: 5-8 years.\nStrong experience with frontend frameworks (React, js, Angular).\nStrong experience with backend development (Java, js, or Python).\nHands-on experience with SQL and NoSQL databases (MySQL, PostgreSQL, BigQuery).\nExperience building and consuming RESTful APIs (gRPC is a plus).\nExposure to Docker and Kubernetes in production environments.\nExperience working with cloud platforms (AWS, GCP or Azure).\nProficiency with Git and CI/CD tools (Jenkins, GitHub Actions).\nHands-on experience integrating LLMs (OpenAI, Anthropic, Bedrock, or open-source models) into production applications.\nFamiliarity with agent/LLM orchestration frameworks (LangGraph, LlamaIndex, or similar).\nExposure to MCP (Model Context Protocol) or comparable tool-use/plugin protocols for agents\nExperience with prompt engineering and LLM evaluation/observability tooling (LangSmith, LangFuse, Braintrust, or similar) is a plus.\nAdTech experience (ad servers, DSPs, SSPs, programmatic standards) is a bonus.\nSkills\nAWS, Angular, Azure, GCP, Java, JavaScript, Python, React, React.js","description_format":"text","description_chars":2435,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["Marketing Automation","Email Marketing"],"lifecycle":[{"event":"open","at":"2026-10-24T11:36:30Z"}],"visa":[],"liveness":{"score":81,"band":"hot","label":"Hiring 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Docs: https://alion.io/developers"}}