CrawlJobs Logo

Middle/Senior Blockchain (Solidity) Developer

peiko.space Logo

Peiko

Location Icon

Location:

Category Icon

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

Not provided

Job Responsibility:

  • Development of the project from scratch and assistance in building the architecture
  • Implementation of new functions and active participation in the discussion of new features on the project
  • Active work with contracts and Web3.js

Requirements:

  • Experience in creating applications related to blockchain and cryptocurrencies from 3+ years
  • Knowledge of the Ethereum blockchain
  • Writing Solidity contracts from 3+ years
  • Understanding of ERC20, ERC721 token standards

Nice to have:

  • Commercial experience with React.js and Web3.js from 2 years
  • English Upper Intermediate, experience of communication with clients
  • Experience with OpenZeppelin smart contracts
  • Experience with Alchemy
What we offer:
  • Full remote work or at your choice
  • Work in a strong team
  • Transparent processes
  • Interesting and difficult tasks and projects
  • Competitive salary
  • The possibility of training and development within the company: payment of specialized courses, participation in conferences
  • We have corporate English language training + we are an international company, so you still have the opportunity to practice English at work
  • Social package (paid vacation and sick leave)
  • Merch and welcome box await you, we give employees gifts, equipment, Apple Watch, MacBook and more
  • At Peiko, you have confidence and stability, support, respect, trust, teamwork, care for each employee
  • An open and friendly team, a positive and comfortable atmosphere: corporate events, birthday celebrations, team building and other togetherness activities

Additional Information:

Job Posted:
December 11, 2025

Work Type:
Remote work
Job Link Share:

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Middle/Senior Blockchain (Solidity) Developer

New

School Office Administrator

We are looking for an enthusiastic and efficient School Office Administrator to ...
Location
Location
United Kingdom , Bromley
Salary
Salary:
19632.00 - 22585.00 GBP / Year
https://www.office-angels.com Logo
Office Angels
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Friendly and approachable, able to work well under pressure
  • Strongly organised with the ability to prioritise tasks effectively
  • An excellent communicator, both written and verbal
  • A confident user of IT systems, with a keen eye for detail
  • Proactive and eager to learn
  • Committed to safeguarding and keeping children safe in education
Job Responsibility
Job Responsibility
  • Provide efficient administrative support to staff, parents, and visitors
  • Maintain accurate records and databases in line with our school processes
  • Communicate effectively with parents, staff, and external agencies, both verbally and in writing
  • Support the day-to-day running of the school office and administrative functions
  • Confidently use a range of IT systems with precision
  • Uphold confidentiality and professionalism, ensuring excellent customer service at all times
  • Be vigilant regarding safeguarding concerns and follow procedures to ensure children's safety
What we offer
What we offer
  • Professional Development & Career Progression
  • Supportive Environment
  • Employee Assistance Programme
  • Private Healthcare
  • Cycle Share Scheme
  • Fulltime
Read More
Arrow Right
New

Hr Recruiter

We are looking for an experienced HR Recruiter to support hiring efforts in Edis...
Location
Location
United States , Edison
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3+ years of recruiting experience, with strong capability in full-cycle talent acquisition
  • Background recruiting within information technology, engineering, or other technical environments is preferred
  • Demonstrated expertise in sourcing, screening, assessment, candidate relationship management, and hiring process coordination
  • Hands-on experience using applicant tracking systems
  • familiarity with Taleo or similar server-based platforms is an advantage
  • Strong written and verbal communication skills with the ability to interact effectively with candidates and internal teams
  • Proven ability to manage multiple searches across different locations and a broad range of job categories
  • Confidence working with sensitive and confidential information with strong attention to detail
  • Proficiency in online sourcing techniques, database mining, and internet-based recruiting tools
Job Responsibility
Job Responsibility
  • Evaluate prospective candidates through initial outreach and screening conversations to assess fit, interest, and overall alignment with hiring needs
  • Present clear and compelling information about the opportunity and organization so candidates can make informed decisions throughout the process
  • Oversee candidate documentation and ensure required forms, records, and recruiting materials are completed accurately and on time
  • Coordinate ongoing communication with applicants during each phase of recruitment, selection, and onboarding preparation
  • Partner with hiring stakeholders to manage full-cycle recruiting activity from sourcing through offer stage for a variety of roles
  • Build and maintain talent pipelines by leveraging online research, networking channels, and sourcing tools to identify professionals with relevant experience
  • Track candidate progress within the applicant tracking system and maintain organized, up-to-date recruitment records
  • Support hiring across multiple regions and position types while balancing timelines, priorities, and confidentiality requirements
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
  • Fulltime
Read More
Arrow Right
New

Branch Support Specialist

Allied Universal® is hiring a Branch Support Specialist. The Branch Support Spec...
Location
Location
United States , Houston
Salary
Salary:
Not provided
aus.com Logo
Allied Universal®
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • High School diploma or equivalent
  • Prior work experience in a professional administrative environment
  • Able to focus and multi-task in a busy environment
  • Ability to successfully handle stressful situations in a calm and professional manner
  • Effective management skills
  • able to coordinate with multiple employees with diverse personalities and engage them to perform at optimum levels
  • Highly proficient and fully functional in all Microsoft Office applications and able to effectively utilize all available office management technology
  • Ability to take initiative, successfully handle and prioritize multiple competing assignments and effectively manage deadlines
Job Responsibility
Job Responsibility
  • Maintain employee personnel, medical, and benefit files
  • maintains branch I-9 files in accordance with company policies and legal policies
  • Assist Corporate Human Resources with the annual open enrollment process
  • provide first-line answers to benefit related questions or works with corporate benefits to identify answers for employees
  • Oversee administration of company uniform program, including sizing, issuance of uniforms, timely return of uniforms, assistance with replacements, and maintaining all paper and electronic files associated with the program
  • Assist with the workers' compensation claims management by issuing and obtaining claim paperwork, collecting statements, and coordinating with Corporate Human Resources on doctor's notes and return to work programs
  • Receive initial notices from employees and supervisors for leave of absence requests/needs and coordinates with Corporate LOA department to provide initial information and oversee flow of related paperwork
  • Maintain post-hire WinTeam data entry
  • coordinatee with Payroll to ensure changes are completed properly
  • respond to questions as needed
What we offer
What we offer
  • Medical, dental, vision, basic life, AD&D, and disability insurance
  • Enrollment in our company's 401(k)plan, subject to eligibility requirements
  • Eight paid holidays annually, five sick days, and four personal days
  • Vacation time offered at an accrual rate of 3.08 hours biweekly
  • Fulltime
Read More
Arrow Right
New

Credit Controller

A varied opportunity for an experienced Credit Controller to join a busy finance...
Location
Location
United Kingdom , Edinburgh
Salary
Salary:
13.00 GBP / Hour
https://www.office-angels.com Logo
Office Angels
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Previous experience in credit control or similar finance role
  • Strong understanding of sales ledger processes
  • Excellent communication skills, both written and verbal
  • Confident telephone manner and customer focused approach
  • High level of accuracy and attention to detail
  • Ability to prioritise workload and meet deadlines
Job Responsibility
Job Responsibility
  • Proactively manage and chase overdue accounts
  • Build strong relationships with customers via phone and email
  • Ensure accounts operate within agreed credit terms and limits
  • Raise credit notes and resolve account discrepancies
  • Manage accounts on hold and support release decisions
  • Respond to inbound customer queries in a timely manner
  • Post daily cash receipts and allocate payments accurately
  • Set up new customer accounts and maintain records
  • Process card payments and handle cash where required
  • Support daily cash and petty cash management
What we offer
What we offer
  • Weekly pay
  • 28 days paid annual leave (accrued weekly)
  • Direct employment with Office Angels
  • Access to high street discount vouchers
  • Eye care vouchers and contributions towards glasses for VDU use
  • Support with securing permanent roles and interview coaching
  • Pension scheme option (with employer contributions)
  • Statutory Sick Pay
  • Access to a confidential Employee Assistance Programme
  • Parttime
Read More
Arrow Right
New

Shift Supervisor

We're building a world of health around every individual — shaping a more connec...
Location
Location
United States , Cambridge
Salary
Salary:
17.00 - 26.00 USD / Hour
https://www.cvshealth.com/ Logo
CVS Health
Expiration Date
July 08, 2026
Flip Icon
Requirements
Requirements
  • Deductive reasoning ability, analytical skills and computer skills
  • Advanced communication skills and supervision skills
  • Ability to work a flexible schedule, including some early morning, overnight and weekend shifts, to work overtime as needed, and to respond to urgent issues at the store when they arise
  • High School diploma or equivalent preferred but not required
Job Responsibility
Job Responsibility
  • Work effectively with store management and store crews
  • Supervise the store's crew through assigning, directing and following up of all activities
  • Effectively communicate information both to and from store management and crews
  • Assist customers with their questions, problems and complaints
  • Promote CVS customer service culture (Greet, offer help, and thank)
  • Handle all customer relations issues in accordance with company policy and promote a positive shopping experience for all CVS customers
  • Maintain customer/patient confidentiality
  • Price merchandise
  • Stock shelves
  • Execute the displays, sign and inventory of weekly, promotional, and seasonal merchandise
What we offer
What we offer
  • Dental
  • Vision
  • Wellness resources
  • Employee discounts
  • Access to certain voluntary benefits
  • Parttime
Read More
Arrow Right
New

Bilingual Administrative Assistant

Robert Half is seeking a highly organized and detail-oriented Bilingual Administ...
Location
Location
United States , Allentown
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Fluency in English and Spanish is required
  • 2+ years of administrative or office support experience preferred
  • Proficiency in Microsoft Office Suite, including Word, Excel, Outlook, and PowerPoint
  • Strong verbal and written communication skills
  • Excellent organizational skills and attention to detail
  • Ability to multitask and work effectively in a fast-paced environment
  • Professional demeanor and strong customer service skills
Job Responsibility
Job Responsibility
  • Provide administrative support including scheduling meetings, managing calendars, and coordinating travel arrangements
  • Answer and direct phone calls, emails, and other correspondence in both English and Spanish
  • Prepare, translate, and proofread documents, reports, and presentations
  • Maintain organized filing systems, records, and office documentation
  • Greet visitors and assist with front desk responsibilities as needed
  • Support internal teams with data entry, order processing, and general clerical tasks
  • Assist with special projects and other administrative duties as assigned
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
Read More
Arrow Right
New

Branch Office Receptionist

Allied Universal®, North America's leading security and facility services compan...
Location
Location
United States , White Plains
Salary
Salary:
20.00 - 23.00 USD / Hour
aus.com Logo
Allied Universal®
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • High school diploma (or equivalent)
  • Three (3) - four (4) years of prior receptionist and/or Human Resources or related experience
  • Proven excellent customer service skills and ability to be flexible, a team player and interface professionally with all levels of internal and external customers
  • Demonstrated outstanding organizational skills required
  • ability to accurately maintain and organize large volumes of paperwork
  • Excellent verbal and written communication skills required with the ability to successfully interact at all levels of the organization while functioning as a team player
  • Excellent computer skills including Microsoft Office products, Internet and websites required
  • prior experience using HRIS automated systems a strong plus
Job Responsibility
Job Responsibility
  • Maintain front desk phone system to include answering incoming calls, responding to caller inquiries, directing calls as appropriate, and taking and giving accurate messages
  • Greet and direct visitors as appropriate based on purpose of their visit
  • Assist candidates with employment applications and other pre-employment paperwork as required or needed
  • Assist with personnel file maintenance following corporate HR guidelines
  • Assist with WinTeam data entry and file maintenance as directed by Human Resource staff
  • Assist with guard card license reporting processes for new hires and perform weekly guard card audit reports as directed by Human Resource staff
  • Maintain office supplies and organization of office in general
  • May assist Human Resource Coordinator to maintain uniform program, including measuring and ordering initial uniforms, tracking issuance to existing personnel, collection of uniforms, and request for issuance of uniform refunds
  • Assist with various administrative duties as assigned by the Branch Manager or Branch Staff
What we offer
What we offer
  • Medical, dental, vision, basic life, AD&D, and disability insurance
  • Enrollment in our company's 401 (k) or Supplemental Income Plan, subject to eligibility requirements
  • Eight paid holidays annually, five sick days, and four personal days
  • Vacation time offered at an accrual rate of 3.08 hours biweekly
  • Fulltime
Read More
Arrow Right
New

Machine Operator

Are you ready to take your career to the next level in the manufacturing and pro...
Location
Location
United Kingdom , Canterbury
Salary
Salary:
14.00 - 17.50 GBP / Hour
https://www.office-angels.com Logo
Office Angels
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong problem-solving skills
  • a keen attention to detail and the ability to work independently
  • a basic technical or mechanical understanding (preferred but not essential)
  • reliability and a willingness to work flexible shifts
Job Responsibility
Job Responsibility
  • Quickly identifying and resolving any technical or operational issues that arise
  • maintaining a smooth workflow to minimise downtime and keep production on track
  • collaborating closely with team members to meet and exceed production targets
  • monitoring and ensuring all palletising robots are operating at peak efficiency
What we offer
What we offer
  • pay rate: £14 per hour, with overtime available at £17.50
  • flexible shift options: choose a schedule that suits you: 5 days on/2 days off, 4 days on/3 days off, up to 12-hour shifts
  • be part of a supportive and enthusiastic team
  • enjoy competitive pay with opportunities for overtime
  • gain valuable experience in a leading manufacturing environment
  • Fulltime
Read More
Arrow Right