Blockchain Developer jobs

Jersey City, New Jersey

•

19d ago

Blockchain Developer Job Location Jersey City, NJ 07310 Duration- Fulltime Experience level 9+ Mandatory Skills : Web3 and blockchain application development, Job Description Key Responsibilities Design, develop, and deployWeb3 components and integrations for Citi's Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectors Build and maintainbackend services that interface with public and permissioned

Easy Apply

Full-time, Third Party

Depends on Experience

Blockchain Developer

Jersey City, New Jersey

•

2d ago

Java with Blockchain Developeronsite Jersey city NJ Full time Job DescriptionWe are seeking highly skilled blockchain developer who will be working at the forefront of technological innovation wielding their unique skills and setting high standards for businesses. The candidate should be highly knowledgeable about distributed ledger systems, cryptography algorithms, and other fundamental concepts of blockchain technology. They should be skilled at developing smart contracts using programming lan

Easy Apply

Full-time

Depends on Experience

Blockchain Developer/Architect

New York, New York

•

30+d ago

Key Responsibilities Design, develop, and deployWeb3 components and integrations for Citi''s Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectorsBuild and maintainbackend services that interface with public and permissioned blockchain networks (e.g., Ethereum, Hyperledger Besu, Corda, or equivalent)Develop, test, and auditsmart contracts written in Solidity or equivalent languages, ensuring security, correctness, and

Easy Apply

Full-time

Depends on Experience

Digital Assets Blockchain Java Developer - AVP

New York, New York

•

Today

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview A Digital Assets Platform Blockchain Engineer (AVP) must be a motivated and proactive hands-on software engineer (Back End, Java Focus), with demonstrated ability and experience working with web applic

Full-time

USD 121,200.00 - 181,800.00 per year

Blockchain Java Developer

Hybrid in New York, New York

•

30+d ago

At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees have been key factors in our company''s growth and market presence. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here. For more than 25 years, NTT DATA Services have focused on impacting the core of your business operations with industry-leading outsourcing

Easy Apply

Third Party, Contract

$55 - $67

AI Architect (Agentic AI / RAG)

New York, New York

•

3d ago

AI Architect (Agentic AI / RAG) Location: NY and NJ 12+ Years of exp Agentic AI architecture; spec-driven development; agent harness design and evaluation; multi-agent orchestration patterns; Retrieval-Augmented Reasoning; semantic enrichment and knowledge graph integration; prompt engineering; identity-as-code and policy-as-code; design-time and runtime governance; cloud platforms (AWS and Google Cloud Platform); enterprise security architecture patterns.End-to-end agentic AI architecture, desi

Easy Apply

Full-time, Third Party

80 - 90

Senior Java Developer – Blockchain

Jersey City, New Jersey

•

3d ago

Job DescriptionWe are looking for an experienced Senior Java Developer with 10+ years of strong Java development experience. Candidates with some exposure to Blockchain technologies are highly preferred. Strong Java expertise is the primary requirement. Required Skills10+ years of hands-on experience in Java development.Strong expertise in Java, Spring Boot, Spring Framework, and REST APIs.Experience developing microservices and enterprise applications.Strong knowledge of SQL and relational data

Easy Apply

Full-time

100,000 - 120,000

Blockchain Engineer/Architect

Jersey City, New Jersey

•

29d ago

REQUIREMENT Blockchain Engineer/ArchitectNYC NY / Jersey City NJFulltime The successful candidate will be responsible for defining and driving the technical architecture of our digital assets platform, leading engineering decisions, and mentoring a team of talented engineers. You will work closely with product, business, and technology stakeholders across Citi to shape the strategic direction of our blockchain infrastructure and digital asset capabilities.We are looking for a candidate who combi

Easy Apply

Full-time

$120,000 - $130,000

Blockchain Engineer

Austin, Texas

•

17d ago

Position: Blockchain Engineer Fireblocks & Tokenization Location: San Francisco, CA / Austin or Dallas, TX (Onsite-4 days) Duration: Long Term Job Summary We are seeking a highly skilled Blockchain Engineer with hands-on experience in blockchain technologies, Fireblocks, and digital asset tokenization. The ideal candidate will be responsible for designing, developing, and implementing secure blockchain-based solutions for tokenized assets, digital securities, and cryptocurrency transactions. The

Easy Apply

Full-time

Depends on Experience

Senior Rust Developer

Austin, Texas

•

17d ago

Job Title: Senior Rust Developer Location: Austin, TX (Onsite) Duration: 6-12+ Months Only Local candidates are workable Primary Skills: Exp in Software Engineering: 7+ years Exp in RUST Development: 3+ years Exp in Java: 5+ years Exp in C++: 5+ years Secondary Skills: Application Modernization: 5+ yearsA Senior Rust Architect/Technical Lead who has successfully led Java and C/C++ modernization initiatives to Rust and can mentor internal teams while driving architecture and implementation. Skil

Easy Apply

Third Party, Contract

$40 - $50

Blockchain Architect

Jersey City, New Jersey

•

19d ago

Blockchain Architect Job Location Jersey City, NJ 07310 Duration- Fulltime Experience level 12+ Mandatory Skills : blockchain consensus protocols, Go (Golang), Node.js, C++, Java, Python, or Solidity. Job Description Required Qualifications Experience: 12+ years in enterprise software development, system architecture, or distributed computing. Core Competencies: Advanced knowledge of cryptography, P2P networking, and blockchain consensus protocols. Programming Languages: Pro

Easy Apply

Full-time, Third Party

Depends on Experience

Blockchain / Backend Engineer - Vice President

New York, New York

•

Today

About the Role iCapital's Distributed Ledger Technology team is looking to hire a Senior Blockchain Backend Engineer to develop an industry-wide distributed ledger solution for the alternative investment ecosystem to facilitate access to private markets investments for advisors and their high-net-worth clients using innovative technology solutions. The ideal candidate is able to understand complex business problems, scope projects, identify business opportunities, optimize workflows, and commun

Full-time

USD 150,000.00 - 200,000.00 per year

Blockchain Senior Java Engineer - Digital Assets Platform - VP

New York, New York

•

Today

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi is seeking a passionate and skilled Digital Assets Web3 Blockchain Engineer to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a

Full-time

USD 142,320.00 - 213,480.00 per year

Blockchain/Web3 Java Engineer - Digital Assets Platform - VP

New York, New York

•

Today

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi is seeking a passionate and skilled Blockchain/Web3 Java Engineer to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a developer

Full-time

USD 142,320.00 - 213,480.00 per year

Blockchain Incident Management Lead / Manager

Jersey City, New Jersey

•

3d ago

Role:Blockchain Incident Management Lead / Manager Location: Jersey City, NJ (Onsite) Domain: Corporate & Investment Banking / Digital Assets Key Responsibilities Blockchain Incident Lifecycle: Oversee end-to-end logging, triage, and reporting of mainnet, testnet, and smart contract execution failures. Technical War Rooms: Coordinate rapid-response communication between smart contract engineers, node operators, security teams, and traditional banking infrastructure peers. Regulato

Third Party, Contract

Depends on Experience

Incident Reporting Manager- Blockchain/DLT Systems

Jersey City, New Jersey

•

3d ago

Role: Incident Reporting Manager- Blockchain/DLT Systems Location: Jersey City, NJ (Onsite) Domain: Corporate & Investment Banking / Digital Assets Key Responsibilities Blockchain Incident Lifecycle: Oversee end-to-end logging, triage, and reporting of mainnet, testnet, and smart contract execution failures. Technical War Rooms: Coordinate rapid-response communication between smart contract engineers, node operators, security teams, and traditional banking infrastructure peers. Regulatory Compl

Easy Apply

Full-time, Third Party

Depends on Experience

Business Analyst - Crypto

Hybrid in San Francisco, California

•

25d ago

Job Title: Business Analyst - Crypto Location: San Francisco, CA Duration: 12+ months contract Required Qualifications : 2 5 years as a BA in finance, fintech, or payments.Experience in crypto exchange, wallet provider, blockchain startup, or banking innovation is highly valued.Exposure to Agile product teams working with blockchain or payments infrastructure Domain Knowledge Strong understanding of cryptocurrencies, blockchain fundamentals, DeFi, Web3, and token economics.Knowledge of financia

Easy Apply

Contract, Third Party

Depends on Experience

Digital Assets Web3 Engineer

Jersey City, New Jersey

•

29d ago

REQUIREMENT Digital Assets Web3 EngineerNYC NY / Jersey City NJFulltime The successful candidate will contribute to the design, development, and deployment of Web3-native components and integrations that power Citi's digital asset infrastructure spanning tokenization, smart contracts, on-chain settlement, and blockchain protocol integrations. You will work within a collaborative, globally distributed team of engineers, architects, and business technologists who are building the next generation o

Easy Apply

Full-time

$120,000 - $130,000

C++ developer

Hybrid in Dallas, Texas

•

5d ago

Job Title:C++ Developer Location: Dallas, TX Duration: Long-term Work Mode: Onsite Job Description: 10+ years of experience in architecture & design, prototyping, software development & implementation plan, code review and unit testing for consumer electronic devices.Bachelors degree or higher in Computer Science, Electronics or equivalent field.Proficient in C, C++/C++11, JavaScript, JSON.Experience in developing media pipeline stacks.Experience in the video streaming technologies (DASH, HLS,

Easy Apply

Contract, Third Party

Depends on Experience

Software Engineer, Crypto Platform

San Francisco, California

•

Today

About the Company: Tools for Humanity (TFH) designs and builds technology behind World. World is building a real human network designed to accelerate people in the age of AI. As bots and autonomous agents reshape the internet, people, institutions, and applications need a trusted way to confirm who is a real human while preserving privacy. The TFH and World tech stacks make this possible: the Orb verifies real, unique people, World ID proves it privately, and World App puts these capabilities, a

Full-time

USD 191,000.00 - 225,000.00 per year