Senior Software Engineer, Together AI
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Cloud platform for building generative AI
Be an early applicant
Cloud platform for building generative AI
101-200 employees
Be an early applicant
More information about location
101-200 employees
Company mission
To empower developers and researchers at organizations of all sizes to train, fine-tune, and deploy generative AI models.
Role
Who you are
- Around 4–5 years of professional experience building production software (a mid-to-senior role rather than a staff-level one)
- Experience with authentication and authorization in production — OIDC, SAML, OAuth, JWT, RBAC, ABAC, and SSO — with a real understanding of the security tradeoffs involved
- Strength in at least one of: functional backend (Elixir/Phoenix or another functional language such as Erlang, Scala, Clojure, Haskell, F#, or OCaml) or TypeScript (backend and/or frontend, for example with Next.js)
- Strong technical judgment, with a track record of maintainable, well-crafted solutions
- Comfortable breaking ambiguous problems into executable work and using prototypes and demos to de-risk
- Treats code and design review as a core part of their contribution, and helps develop the engineers around them
- A clear communicator who influences peers through strong technical output
- Willing to become proficient in Elixir and Phoenix if not already
What the job involves
- Together.ai is looking for a Senior Software Engineer to take a leading role in the authentication, authorization, and collaboration systems that every Together product depends on
- As part of the Product Foundations engineering group, the Identity & Collaboration team owns authentication flows (including SSO and OAuth), organizations, projects, API keys, and the role-based access controls that enable secure collaboration at scale
- Every customer interaction with Together relies on the systems we build. Whether it's a researcher accessing their models, an enterprise team collaborating on a shared project, or a developer making an API call, we make authentication seamless and invisible for simple cases while providing robust, enterprise-grade capabilities for complex organizational structures
- Our work directly enables Together's growth from individual users to large enterprise teams, and we're actively building the next generation of collaboration features that will unlock new ways for customers to work together securely and efficiently across all Together products
- Full-time: This means 40 flexible hours, Monday through Friday
- You'll work with a good deal of autonomy, owning meaningful pieces of our identity and access platform end-to-end, spotting problems worth solving, and contributing to the team's technical direction
- You'll also help raise the bar around you through code and design review and by supporting more junior engineers
- Design and own authentication and authorisation systems end-to-end: SSO, OAuth/OIDC, SAML, organizations, projects, API keys, and role-based / attribute-based access control
- Make and document the technical decisions that shape how identity works across every Together product
- Build across the stack — Elixir/Phoenix services on the backend and TypeScript/Next.js on the frontend — and the APIs other teams build on
- Contribute directly to our Next.js product surface and the API layers behind it
- Run the Elixir/Erlang VM (BEAM) in production
- Identify and address technical debt and security risk in our area with sound judgment
- Treat code and design review as a core part of your contribution, and mentor more junior engineers
- Represent the team in cross-functional discussions on identity and security
- Maintain our systems to a high standard of code quality, documentation, automated testing, and continuous delivery
- Work with relational (PostgreSQL) and non-relational (MongoDB) data
Our take
Founded in 2022, Together AI is a research-driven AI company that operates a cloud platform for building and running generative AI. The company also contributes to open-source research, models and datasets to advance the use of machine learning.
Together AI's platform enables developers, researchers and businesses to train, fine-tune and deploy generative AI for their needs. With Generative AI gaining a lot of attention recently, the company has some high-profile competitors such as ChatGPT, but its focus on research makes it stand out.
The company has an incredibly strong start, evidenced by its substantial funding and Unicorn status. It is using these funds to expand its AI Acceleration Cloud product and prepare a large deployment of its GPUs, all while securing its position as an open-source model-building platform.
Steph
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 4 rounds)
Feb 2025
$305m
SERIES B
Mar 2024
$106m
SERIES A
Total funding: $533.5m
Company benefits
- Competitive health insurance plans
- Dental and vision insurance
- Pre-tax flexible spending accounts
- Mental health support and services
- Income protection & retirement
- 401(k) plan
- AD&D insurance
- Life insurance
- STD & LTD insurance
- Monthly team lunches
- Flexible time off policy
- Team-driven celebrations and events
- Monthly commuting stipend + pre-tax bene
Company HQ
Design District, San Francisco, CA
Leadership
Ce Zhang
(Co-Founder & CTO)Previously Professor at ETH Zurich, Postdoc Researcher at Stanford University and Research Assistant at University of Wisconsin-Madison.
Vipul Ved Prakash
(Co-Founder & CEO)Previously Senior Director at Apple, CEO and CTO at Topsy and Founder at Cloudmark.
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