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Cosmos Sdk Developer Jobs in California (NOW HIRING)

ZetaChain

Senior Platform Engineer

San Francisco, CA · On-site

$190K - $225K/yr

Familiarity with Cosmos-based chains or EVM clients * Experience with DevOps, DevSecOps, or GitOps ... Cosmos SDK, Tendermint / CometBFT, Ethereum, Bitcoin Why Join Us * Build and operate infrastructure ...

ZetaChain

Senior Platform Engineer

San Francisco, CA · On-site +1

$190K - $225K/yr

Familiarity with Cosmos-based chains or EVM clients * Experience with DevOps, DevSecOps, or GitOps ... Cosmos SDK, Tendermint / CometBFT, Ethereum, Bitcoin Why Join Us * Build and operate infrastructure ...

Saga

Senior Platform Engineer

Los Altos, CA · On-site +1

$123K - $169K/yr

... DevOps/SRE work * Strong proficiency in Golang (5+ years) * Experience designing and building ... Experience with the Cosmos SDK / CometBFT technology stack * Background in fintech, payments, or ...

Wells Fargo

Senior Specialty Protocol Engineer

Concord, CA

$114K - $157K/yr

Architect and build a custom blockchain application using Go , Cosmos SDK , and CometBFT ... Engineer custom ABCI++ extensions (specificallyPrepareProposaland Vote Extensions) to implement an ...

Saga

Senior Platform Engineer

Los Altos, CA · On-site +1

$123K - $169K/yr

... DevOps/SRE work * Strong proficiency in Golang (5+ years) * Experience designing and building ... Experience with the Cosmos SDK / CometBFT technology stack * Background in fintech, payments, or ...

All JobsCosmos Sdk Developer JobsCosmos Sdk Developer Jobs in California

Cosmos Sdk Developer information

What are the key skills and qualifications needed to thrive as a Cosmos SDK Developer, and why are they important?

To thrive as a Cosmos SDK Developer, you need strong proficiency in Go programming, blockchain architecture, and experience with the Cosmos SDK framework, often supported by a degree in computer science or related fields. Familiarity with tools like Tendermint Core, REST APIs, and version control systems such as Git is essential, and certifications in blockchain technologies can be beneficial. Problem-solving skills, attention to detail, and effective communication enable collaboration and the ability to address complex technical challenges. These skills ensure secure, scalable, and efficient development of decentralized applications on the Cosmos network.

What are some typical challenges Cosmos SDK Developers face when integrating custom modules into a blockchain application?

Cosmos SDK Developers often encounter challenges such as ensuring module compatibility with existing components, maintaining security while extending chain functionality, and handling inter-module communication. Debugging and testing new modules can be complex, especially when managing state changes and message passing. Effective collaboration with other developers and clear documentation are crucial to successfully integrating custom modules without introducing vulnerabilities or performance issues.

What is a Cosmos SDK Developer?

A Cosmos SDK Developer is a software engineer who specializes in building blockchain applications using the Cosmos SDK, a framework that allows developers to create custom, interoperable blockchains. These developers work on creating decentralized applications (dApps), modules, and blockchain networks that can easily connect and communicate with other blockchains in the Cosmos ecosystem. They often use programming languages like Go and are familiar with blockchain concepts such as consensus algorithms, governance, and token economics. Their role is crucial in expanding the Cosmos network and ensuring secure, scalable, and efficient blockchain solutions.
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Cosmos Sdk Developer jobs near you
Infographic showing various Cosmos Sdk Developer job openings in California as of July 2026, with employment types broken down into 64% Full Time, and 36% Contract. Highlights an 57% In-person, and 43% Remote job distribution.
Lead Ethereum Developer

Lead Ethereum Developer

BloKchain Talent, LLC

San Francisco, CA • On-site

$120K/yr

Full-time

Posted 9 days ago

Job description

Company Description
We are recognized as a world-leading technology recruiter, with a strong specialization in Blockchain. We recruit CTOs, VPs, Senior Software Architects, Application Developers and Software Engineers for some of the biggest names in tech across multiple specialty areas. Responding to the enormous demand for Blockchain recruitment. To emphasize our expertise in this market segment, and expanded to key Blockchain talent epicenters from San Francisco to Tel Aviv.
Job Description
Job Title: Lead Ethereum Developer
Location: San Francisco, CA
Experience: development
Type: W2, Full Time /Perm
Sponsorship: No
Salary: $120K / Year DOE and negotiable
Other compensation: equity would be 30%+ DOE
Relocation: Yes
Job ID: REF6P
BloKchain Talent, the leading blockchain recruiting agency, is seeking a Lead Ethereum Developer who will be the CTO and Co-Founder to develop a protocol for the telecommunication industry. Our client is bringing a business to business solution to snuff out rampant international fraud within the telecommunications industry by building a blockchain.
The Lead Ethereum Developer will be a hands on developer, coming in on the ground floor (employee #2), to create an imbedded B2B protocol deep within the telecommunication infrastructure. We need someone who has deep technical expertise to build and launch the blockchain for this Software as a Service (SaaS) that will never need an ICO, but rather has VCs that are ready to invest because this is a real problem with a real solution. There are billions of dollars lost every year to international telecommunication fraud.
Qualifications
Must have:
  • 2+ years as a strong software developer with deep technical knowledge especially in backend and building infrastructure
  • 1+ year(s) experience in hands on blockchain development in Ethereum and Solidity, (proof of concept knowledge)

Strongly Prefer:
  • Leadership experience building in blockchain
  • Experience working on enterprise software, B2B products and SaaS
  • Interest in or knowledge of Cosmos SDK and Truffle/MetaMask
  • Experience with IPFS and/or distributed file sharing mechanisms
  • Experience working in a startup environment and also having experience in enterprise sized companies is preferred

Additional Information
All your information will be kept confidential according to EEO guidelines.

Apply