CrawlJobs Logo

Principal - Software Engineering - Blockchain & Smart Contracts

India, Bangalore · Job Posted April 21, 2026
Apply Position
Job Link Share

Job Description

As Ethereum Blockchain Smart Contract you will be part of the Asset Management Technology team with a focus on blockchain use cases for the enterprise.

Job Responsibility

  • Design and develop enterprise blockchain solutions for use across Asset Management BU
  • Advocating for and developing new enterprise business use cases across Fidelity

Requirements

  • Designing, implementing, and supporting distributed blockchain-based enterprise solutions for the financial/banking/asset management domain
  • Designing, writing and building secure and gas-efficient smart contracts for Ethereum based applications/token standard like ERC20, ERC721, and ERC1400 using Solidity along with third party interfaces and various design patterns like Upgradeable Proxy Pattern
  • Deep expertise in solidity smart contracts, EVM internals and gas-efficient design patterns
  • Evaluate and integrate with multiple blockchain protocols, including both EVM and non-EVM ecosystems(Polygon, Solana, Stellar)
  • Building Defi protocols by implementing token standards, staking protocols, yield farming liquidity pools and cross-chain protocols (LayerZero, Wormhole etc.,)
  • Hand-on experience with tools/frameworks like OpenZepplin, Hardhat, Ganache, Truffles
  • Write comprehensive and automated tests (unit, integration and fuzz) using frameworks like Foundry, Hardhat, Truffle or Brownie
  • Hands-on with security audit process, threat modelling and formal verification processes. Integrate audit feedback into production code. Familiarity with security tools Slither, MythX, Echidna
  • Continuously improve code quality through profiling and gas cost optimization techniques
  • Integrating, interoperability, bridging between blockchain/distributed ledgers with external components. Expertise in Oracles integration with Blockchain using Chainlink oracles
  • Proficient in blockchain development frameworks like ethers.js/web.js
  • Proficiency in two or more of the following languages, Java, Go, Python, Node.js
  • Understanding of ZK-Proof, Layer 2 rollups and MEV is must
  • 9+ years experience
  • Computer Science Graduate
  • Hands-on Experience with Blockchain and full stack development

Nice to have

  • Experience in working with diverse blockchain/distributed ledger implementations like Corda, Hyperledger Fabric
  • Working with wallet providers is a plus
  • Working knowledge of cloud platform (AWS/Azure) is a plus
  • Experience in software engineering with large and diverse codebase
  • Excellent writing and communication skills
  • Experience in working on an incubator or accelerator setup is a plus

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Principal - Software Engineering - Blockchain & Smart Contracts

8 matching positions

New

Event Technical Specialist, Audio

Our technicians enjoy the opportunities to work with innovative and cutting-edge...
Location
Location
United States , Cleveland
Salary
Salary:
22.90 - 29.77 USD / Hour
encoreglobal.com Logo
Encore Global
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ years of event technology experience with specialty in Audio, Lighting, Projection, or Video is required
  • 3-4 years of customer service or hospitality experience is preferred
  • Ability to interact professionally and effectively with a diverse work force, customer base and senior level management
  • Strong customer, client and coworker interface experience and abilities
  • A valid driver’s license is required for team members in positions that may operate Company vehicles
  • Must be able to lift 50 lbs
Job Responsibility
Job Responsibility
  • Ensures a flawlessly executed event through accurate and timely setup, operation, and breakdown of advanced audiovisual equipment
  • Troubleshoots technical issues and resolve problems quickly as they arise
  • Complies with all Company security and safety measures
  • Ensures equipment is secure from theft and/or damage when in use
  • Provides excellent service and strives to exceed the expectations and needs of internal and external customers
  • Maintains a positive relationship with all clients through effective communication
  • Collaborates with internal team on event solutions pre-event and during event to ensure the best possible customer satisfaction
  • Understands and fosters the hotel/client relationship
  • Creates an atmosphere that fosters the development of technical and leadership skills in other employees
  • Provides mentorship and coaching to technical, sales and operations team members to develop technical skills as needed
What we offer
What we offer
  • Paid Time Off
  • Vacation Days
  • Paid Holidays
  • Floating Holidays
  • Sick/Personal Days
  • Premium Recognition Program (CenterStage)
  • Performance Incentive Plans (GEI Bonus)
  • Employee Referral Program
  • Annual Merit
  • Classroom/On the Job Training
  • Fulltime
Read More
Arrow Right
New

Event Technical Specialist, Video - InterContinental Cleveland

The Technical Specialist is responsible for the technical set up and operation o...
Location
Location
United States , Cleveland
Salary
Salary:
22.90 - 29.77 USD / Hour
encoreglobal.com Logo
Encore Global
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s Degree is preferred
  • 3+ years of event technology experience with specialty in Audio, Lighting, Projection, or Video is required
  • 3-4 years of customer service or hospitality experience is preferred
  • External applicants must meet/validate and achieve/complete all training and certifications required for this position, within 60 days of start date
  • Internal applicants must meet/complete all training and certification requirements as determined by Encore’s Global Learning Training Program in their current position, and for the position they are applying to
  • Ability to interact professionally and effectively with a diverse work force, customer base and senior level management
  • Strong customer, client and coworker interface experience and abilities
  • A valid driver’s license is required for team members in positions that may operate Company vehicles
  • Additional DOT requirement may need to be met if applicable
  • Must be able to lift 50 lbs
Job Responsibility
Job Responsibility
  • Ensures a flawlessly executed event through accurate and timely setup, operation, and breakdown of advanced audiovisual equipment
  • Troubleshoots technical issues and resolve problems quickly as they arise
  • Complies with all Company security and safety measures
  • Ensures equipment is secure from theft and/or damage when in use
  • Provides excellent service and strives to exceed the expectations and needs of internal and external customers
  • Maintains a positive relationship with all clients through effective communication
  • Collaborates with internal team on event solutions pre-event and during event to ensure the best possible customer satisfaction
  • Understands and fosters the hotel/client relationship
  • Creates an atmosphere that fosters the development of technical and leadership skills in other employees
  • Provides mentorship and coaching to technical, sales and operations team members to develop technical skills as needed
What we offer
What we offer
  • Paid Time Off
  • Vacation Days
  • Paid Holidays
  • Floating Holidays
  • Sick/Personal Days
  • Premium Recognition Program (CenterStage)
  • Performance Incentive Plans (GEI Bonus)
  • Employee Referral Program
  • Annual Merit
  • Classroom/On the Job Training
  • Fulltime
Read More
Arrow Right
New

Data Engineer

We are looking for a Data Engineer to support the development and operation of a...
Location
Location
United States , Philadelphia
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in Computer Science, Engineering, or related field
  • 8+ years of hands-on experience in software engineering with a focus on cloud-based systems
  • Strong programming expertise in Java (required), with additional experience in Python
  • Proven experience building and supporting cloud-based services (SaaS) and platforms (PaaS)
  • Deep hands-on experience with AWS, including services such as EC2, S3, DynamoDB, RDS, Lambda, API Gateway, and Fargate
  • Strong background in microservices architecture and distributed systems design
  • Experience designing for scalability, high availability, and performance
  • Experience implementing CI/CD pipelines and DevOps best practices
  • Knowledge of security, audit, and reliability frameworks (latency, uptime, scalability)
  • Experience with relational and NoSQL databases
Job Responsibility
Job Responsibility
  • Design, build, and manage DevOps tools, processes, and technologies supporting the IoT platform lifecycle
  • Develop and maintain horizontal frameworks and tooling to enable engineering teams to build, test, release, and monitor microservices-based applications
  • Establish and implement best practices for source control, CI/CD pipelines, performance optimization, SLAs, security, audit, and monitoring
  • Define and build reusable frameworks and software libraries to support scalable and highly available microservices architectures
  • Troubleshoot platform issues and drive continuous improvements in quality, performance, and security
  • Partner with architects, product managers, and engineering teams to translate system and product requirements into technical solutions
  • Support and enhance cloud infrastructure and system architecture in AWS environments
  • Work within Agile teams to deliver incremental, high-quality software solutions
What we offer
What we offer
  • Medical, vision, dental, and life and disability insurance
  • 401(k) plan
  • Free online training
  • Fulltime
Read More
Arrow Right
New

Technical Events Manager

Our technicians enjoy the opportunities to work with innovative and cutting-edge...
Location
Location
United Kingdom , London
Salary
Salary:
45000.00 - 50000.00 GBP / Year
encoreglobal.com Logo
Encore Global
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • High School Diploma, Mathematics and English GCSE or equivalent is preferred
  • Strong background in AV / Live events, while managing teams
  • Previous experience within the Service and Hospitality industry would be preferable
  • Previous experience of audio visual experience, or equivalent in an educational environment would be beneficial
Job Responsibility
Job Responsibility
  • Working in some of the best venues and hotels in the UK you will play an integral part in the planning, preparation of some amazing events and will be responsible for the delivery and set up from small meetings through to large scale productions
  • Along with the technicians you will prepare, rig and de-rig equipment prior to events within the hotel/venue and be available on-site for ad hoc technical issues. Main point of contact for clients on a day-to-day basis to ensure customer expectations and requirements are fulfilled
  • Pro-actively contact clients well in advance of their event to develop and build sales potential, interpret technical solutions, arranging meetings where necessary to establish their requirements
  • Build, establish and maintain a portfolio of standard set designs/visuals enabling the client to visualise the possibilities for a particular room
  • Maximising sales potential by up-selling services at every opportunity with the view of increasing turnover, i.e. increasing the different elements involved within conferences and events e.g. production, video editing etc
  • Participates in capture rate discussions and suggests ways to capture lost business
  • Monitors sales files to review upcoming groups and to ensure that sales processes are followed
  • Foster good relations with all sales team members to maximise new leads. Educate the team in terms of all Encore's services and introduce incentive schemes to encourage the team to distribute potential sales leads
  • Develop a database of clients who have visited the hotel/venue. Proactively correspond with clients after their event to pursue future business. Gain feedback on performance to improve on service
  • Ensure all areas of responsibility are within budget parameters and to negotiate preferential rates. Utilise all in-house services before out-sourcing i.e. crew & equipment. Be aware of turnover targets and actively strive to increase revenue
What we offer
What we offer
  • Private Healthcare
  • Employee supported volunteering
  • Enhanced family leave provisions
  • Perkbox and Employee assistance Programme
  • Company sick pay
  • Employee recognition scheme
  • Generous employee referral scheme
  • Clearly defined Career path (and all the important support along the way)
  • Access to state-of-the-art technology
  • Global presence and opportunities worldwide
  • Fulltime
Read More
Arrow Right
New

Supervisor Housekeeping

Combine timeless glamour with a vanguard spirit, St. Regis Hotels & Resorts is c...
Location
Location
Kazakhstan , Astana
Salary
Salary:
Not provided
https://www.marriott.com Logo
Marriott Bonvoy
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • High school diploma or G.E.D. equivalent
  • At least 1 year of related work experience
  • At least 1 year of supervisory experience
Job Responsibility
Job Responsibility
  • Inspect guest rooms, public areas, pool, etc. after being cleaned by Housekeeper to ensure quality standards
  • Run sold room reports, verify room status, determine discrepant rooms, prioritize room cleaning, and update status of departing guest rooms
  • Assist Housekeeping management in managing daily activities
  • Act as a liaison to coordinate the efforts of Housekeeping, Engineering, Front Office, and Laundry
  • Document and resolve issues with discrepant rooms with the Front Desk
  • Prepare, distribute, and communicate changes in room assignments
  • Communicate issues to next shift
  • Complete required paperwork
  • Assist management in hiring, training, scheduling, evaluating, counseling, disciplining, and motivating and coaching employees
  • Follow all company and safety and security policies and procedures
  • Fulltime
Read More
Arrow Right
New

Devops Engineer

We are seeking a motivated DevOps Engineer to enhance automation, streamline dep...
Location
Location
United States , Delray Beach
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3–5 years of DevOps, SRE, or automation engineering experience
  • Strong experience with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins, etc.)
  • Hands-on experience with Docker, Kubernetes, AKS/EKS/GKE
  • Proficiency in scripting (Python, Bash, PowerShell)
  • Familiarity with Infrastructure-as-Code (Terraform, Helm, ARM/Bicep, CloudFormation)
  • Understanding of cloud platforms (Azure, AWS, GCP) and core services
  • Experience with monitoring tools (Prometheus, Grafana, ELK, CloudWatch, etc.)
  • Strong communication and collaboration abilities
  • Ability to troubleshoot complex deployment and automation issues
  • DevOps or cloud certifications are a plus
Job Responsibility
Job Responsibility
  • Build, maintain, and optimize CI/CD pipelines using tools like Azure DevOps, GitHub Actions, or Jenkins
  • Support containerized environments using Docker and Kubernetes
  • Manage infrastructure automation using Terraform, Helm, Ansible, or Bicep
  • Monitor application performance, system uptime, and deployment health
  • Troubleshoot build failures, pipeline issues, infrastructure drift, and deployment errors
  • Manage configuration management across multiple environments
  • Collaborate with developers and cloud engineers during releases and application migrations
  • Implement logging, monitoring, and alerting solutions
  • Maintain documentation for deployments, pipelines, and CI/CD procedures
What we offer
What we offer
  • medical, vision, dental, and life and disability insurance
  • 401(k) plan
  • free online training
Read More
Arrow Right
New

Supervisor-Housekeeping

Inspect guest rooms, public areas, pool, etc. after being cleaned by Housekeeper...
Location
Location
Taiwan , Taipei
Salary
Salary:
Not provided
https://www.marriott.com Logo
Marriott Bonvoy
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Education: High school diploma or G.E.D. equivalent
  • Related Work Experience: At least 1 year of related work experience
  • Supervisory Experience: At least 1 year of supervisory experience
  • License or Certification: None
  • Ability to move, lift, carry, and place objects weighing less than or equal to 55 pounds without assistance and in excess of 55 pounds with assistance
  • Ability to push and pull a loaded housekeeping cart and other work-related machinery over sloping and uneven surfaces
  • Ability to reach overhead and below the knees, including bending, twisting, pulling, and stooping
  • Ability to stand, sit, kneel, or walk for an extended period across an entire work shift
  • Ability to grasp, turn, and manipulate objects of varying size and weight, requiring fine motor skills and hand-eye coordination
  • Ability to enter and locate work-related information using computers and/or point of sale systems
Job Responsibility
Job Responsibility
  • Inspect guest rooms, public areas, pool, etc. after being cleaned by Housekeeper to ensure quality standards
  • Run sold room reports, verify room status, determine discrepant rooms, prioritize room cleaning, and update status of departing guest rooms
  • Assist Housekeeping management in managing daily activities
  • Act as a liaison to coordinate the efforts of Housekeeping, Engineering, Front Office, and Laundry
  • Document and resolve issues with discrepant rooms with the Front Desk
  • Prepare, distribute, and communicate changes in room assignments
  • Communicate issues to next shift
  • Complete required paperwork
  • Assist management in hiring, training, scheduling, evaluating, counseling, disciplining, and motivating and coaching employees
  • Follow all company and safety and security policies and procedures
  • Fulltime
Read More
Arrow Right
New

Senior Systems Engineer

Location
Location
United States , Brooklyn
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong experience designing and supporting virtualization platforms, enterprise storage systems, and high-availability infrastructure
  • Strong experience supporting cloud platforms including Microsoft Azure, Amazon Web Services (AWS), and Microsoft 365 environments
  • Strong understanding of network architecture, switching, routing, VLANs, VPNs, firewalls, wireless infrastructure, and WAN connectivity across enterprise networking platforms including Cisco, Ubiquiti, Peplink, and similar technologies
  • Experience with automation, monitoring, scripting, and RMM platforms such as NinjaOne and other MSP-focused tools
  • Strong troubleshooting and problem-solving skills across servers, storage, networking, and cloud environments
Job Responsibility
Job Responsibility
  • Design, deploy, and support virtualization, server, storage, networking, and cloud infrastructure
  • Configure and optimize enterprise storage, replication, backup, and disaster recovery solutions
  • Implement, maintain, and improve automation, monitoring, and RMM platforms including NinjaOne
  • Manage and support hybrid cloud environments integrating on-premises infrastructure with Azure, AWS, and Microsoft 365 services
  • Troubleshoot and resolve complex infrastructure, networking, virtualization, cloud, and performance issues
  • Configure and support routing, switching, VLANs, VPNs, firewalls, and wireless networking solutions
What we offer
What we offer
  • Medical, vision, dental, and life and disability insurance
  • 401(k) plan
  • Free online training
Read More
Arrow Right