CrawlJobs Logo

Freelance Senior Software Engineer

https://seamless.ai/ Logo

Seamless.AI

Location Icon

Location:
Mexico

Category Icon

Job Type Icon

Contract Type:
B2B

Salary Icon

Salary:

Not provided

Job Description:

We are seeking an experienced Freelance Sr. Software Engineer; Independent Contractor to join our team on a remote, contract basis. The ideal candidate will be responsible for leading the technical design and development of software projects working independently from start to finish. This role involves collaborating with other engineers to design, develop, and maintain software applications, ensuring that project deliverables meet agreed-upon specifications and timelines. The Sr. Software Engineer will be expected to have excellent technical and leadership skills, as well as a passion for staying up-to-date with the latest developments in software engineering.

Job Responsibility:

  • Provide technical expertise in the design, development, and maintenance of software products
  • Develop and maintain high-quality software code in alignment with project requirements
  • Ensure that project deliverables are completed on time, within budget, and meet quality expectations
  • Define technical, operational, and security requirements for software projects
  • Collaborate with other teams to establish and maintain best practices for software development
  • Offer technical guidance and recommendations to support engineering teams
  • Conduct code reviews to maintain software quality and adherence to best practices
  • Research and evaluate new technologies to enhance software development processes and efficiencies
  • Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
  • Contribute to the development and maintenance of technical documentation and system guides
  • Maintain clear and professional communication with project teams, management, and stakeholders while working independently

Requirements:

  • 6+ years of experience in software development
  • 5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
  • Bachelor’s in computer science or related field or equivalent work experience
  • Fluency in both English and Spanish is required

Nice to have:

  • Experience mentoring and coaching software engineers
  • Experience with Agile in a highly collaborative, team-based environment

Additional Information:

Job Posted:
April 02, 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 Freelance Senior Software Engineer

Freelance Senior Software Engineer

We are seeking an experienced Freelance Sr. Software Engineer; Independent Contr...
Location
Location
Uruguay
Salary
Salary:
Not provided
https://seamless.ai/ Logo
Seamless.AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of experience in software development
  • 5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
  • Bachelor’s in computer science or related field or equivalent work experience
  • Fluency in both English and Spanish
  • Expert knowledge of modern frontend technologies such as React, ES6/7 JavaScript, Webpack, HTML, and CSS
  • Expert knowledge of modern back-end development and back-end JavaScript (Node.js, ExpressJS), SQL (Aurora Postgres), and AWS
  • Excellent communication and interpersonal skills
  • Strong problem-solving and analytical skills
  • Experience with software development tools such as GitHub and JIRA
  • Experience with cloud-based development and deployment, such as AWS
Job Responsibility
Job Responsibility
  • Provide technical expertise in the design, development, and maintenance of software products
  • Develop and maintain high-quality software code in alignment with project requirements
  • Ensure that project deliverables are completed on time, within budget, and meet quality expectations
  • Define technical, operational, and security requirements for software projects
  • Collaborate with other teams to establish and maintain best practices for software development
  • Offer technical guidance and recommendations to support engineering teams
  • Conduct code reviews to maintain software quality and adherence to best practices
  • Research and evaluate new technologies to enhance software development processes and efficiencies
  • Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
  • Contribute to the development and maintenance of technical documentation and system guides
Read More
Arrow Right

Freelance Senior Software Engineer

We are seeking an experienced Freelance Sr. Software Engineer; Independent Contr...
Location
Location
Costa Rica
Salary
Salary:
Not provided
https://seamless.ai/ Logo
Seamless.AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of experience in software development
  • 5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
  • Bachelor’s in computer science or related field or equivalent work experience
  • Fluency in English and Spanish is required
  • Expert knowledge of modern frontend technologies such as React, ES6/7 JavaScript, Webpack, HTML, and CSS
  • Expert knowledge of modern back-end development and back-end JavaScript (Node.js, ExpressJS), SQL (Aurora Postgres), and AWS
  • Excellent communication and interpersonal skills
  • Strong problem-solving and analytical skills, with the ability to identify and address technical issues and challenges
  • Experience with software development tools such as GitHub and JIRA
  • Experience with cloud-based development and deployment, such as AWS
Job Responsibility
Job Responsibility
  • Provide technical expertise in the design, development, and maintenance of software products
  • Develop and maintain high-quality software code in alignment with project requirements
  • Ensure that project deliverables are completed on time, within budget, and meet quality expectations
  • Define technical, operational, and security requirements for software projects
  • Collaborate with other teams to establish and maintain best practices for software development
  • Offer technical guidance and recommendations to support engineering teams
  • Conduct code reviews to maintain software quality and adherence to best practices
  • Research and evaluate new technologies to enhance software development processes and efficiencies
  • Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
  • Contribute to the development and maintenance of technical documentation and system guides
Read More
Arrow Right

Freelance Senior Software Engineer

We are seeking an experienced Freelance Sr. Software Engineer; Contratista Indep...
Location
Location
Colombia
Salary
Salary:
Not provided
https://seamless.ai/ Logo
Seamless.AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of experience in software development
  • 5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
  • Bachelor’s in computer science or related field or equivalent work experience
  • Fluency in both English and Spanish
  • Expert knowledge of modern frontend technologies such as React, ES6/7 JavaScript, Webpack, HTML, and CSS
  • Expert knowledge of modern back-end development and back-end JavaScript (Node.js, ExpressJS), SQL (Aurora Postgres), and AWS
  • Excellent communication and interpersonal skills
  • Strong problem-solving and analytical skills
  • Experience with software development tools such as GitHub and JIRA
  • Experience with cloud-based development and deployment, such as AWS
Job Responsibility
Job Responsibility
  • Provide technical expertise in the design, development, and maintenance of software products
  • Develop and maintain high-quality software code in alignment with project requirements
  • Ensure that project deliverables are completed on time, within budget, and meet quality expectations
  • Define technical, operational, and security requirements for software projects
  • Collaborate with other teams to establish and maintain best practices for software development
  • Offer technical guidance and recommendations to support engineering teams
  • Conduct code reviews to maintain software quality and adherence to best practices
  • Research and evaluate new technologies to enhance software development processes and efficiencies
  • Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
  • Contribute to the development and maintenance of technical documentation and system guides
Read More
Arrow Right
New

Senior Post Producer

The Sr. Post Producer is a highly experienced and strategic leader responsible f...
Location
Location
Argentina , Buenos Aires
Salary
Salary:
Not provided
hogarth.com Logo
Hogarth
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of progressive experience in a Post Production environment as an active producer within advertising, with a proven track record of successfully managing complex, high-profile campaigns
  • Advanced understanding of production, post-production, and adaptation project workflows, including experience with diverse content types (e.g., broadcast commercials, digital content, social media, long-form)
  • Expert-level knowledge of all post-production techniques, software, and how each are used to complete projects (e.g., After Effects, Maya, Nuke, Cinema 4D, Flame, DaVinci Resolve, Unreal Engine, etc.)
  • Deep familiarity with the various roles, functions, capabilities, equipment, and applications within a modern Post Production Department
  • Exceptional client relationship management skills, with a proven ability to build rapport, manage expectations, and resolve conflicts effectively
  • Highly results-driven, proactive, and autonomous, capable of managing multiple projects simultaneously with minimal supervision
  • Strong leadership and mentorship abilities, with experience guiding and developing junior team members
  • Advanced working knowledge of industry-standard technology including Adobe Creative Suite (Premier, Photoshop, Illustrator, After Effects), and other relevant post-production tools
  • Demonstrated ability to adapt to new working methods, emerging technologies, and evolving client needs
  • Extensive experience with booking VO talent, managing music licensing, and utilizing stock asset libraries
Job Responsibility
Job Responsibility
  • Strategic Project Leadership: Lead and oversee the end-to-end post-production lifecycle for multiple, often complex and high-value, projects, ensuring alignment with creative vision, strategic objectives, and client expectations
  • Budget & Schedule Mastery: Develop, manage, and meticulously track detailed project budgets and schedules, proactively identifying and mitigating risks to ensure projects are delivered on time and within financial constraints. Provide regular, transparent financial updates to stakeholders
  • Client & Agency Relationship Management: Serve as a primary point of contact for key clients and agency partners, building and maintaining strong, trust-based relationships. Effectively communicate project status, manage expectations, and expertly navigate feedback and revisions
  • Team Supervision & Mentorship: Provide guidance, mentorship, and oversight to post-production teams and junior producers, fostering a collaborative and high-performing environment. Assign lead operators and allocate resources effectively based on project needs and team strengths
  • Workflow Optimization & Best Practices: Champion and enforce best practices for post-production workflows, identifying opportunities for process improvements and efficiencies. Define, communicate, and ensure adherence to production standards across all projects
  • Resource Management & Vendor Negotiation: Strategically identify, onboard, and manage internal and external resources, including freelance talent and third-party vendors. Expertly negotiate rates and contracts to secure optimal services within budget
  • Technical & Creative Oversight: Possess a comprehensive understanding of all post-production techniques, software, and emerging technologies (e.g., After Effects, Maya, Nuke, Cinema 4D, Flame, Unreal Engine, etc.) to effectively guide creative decisions and troubleshoot technical challenges
  • Problem Solving & Risk Mitigation: Proactively identify potential issues, anticipate challenges, and develop innovative solutions to keep projects on track. Demonstrate strong decision-making capabilities under pressure
  • Quality Assurance: Ensure all deliverables meet Hogarth's rigorous quality standards and client specifications, conducting thorough reviews and approvals at key stages
  • Financial Reconciliation: Oversee the accurate reconciliation of all project costs, approve invoices, and provide detailed financial reporting to clients and internal stakeholders
What we offer
What we offer
  • Inclusion and Impact
  • Fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers
  • Fulltime
Read More
Arrow Right
New

Class 2 Multi-Drop Driver

We are looking for experienced Class 2 drivers for multi-drop deliveries. This r...
Location
Location
United Kingdom , Motherwell
Salary
Salary:
15.00 - 24.00 GBP / Hour
hgvtrainingnetwork.com Logo
HGV TRAINING NETWORK
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Class 2 (Category C) licence required
  • Reliable and punctual
  • Good customer service skills
Job Responsibility
Job Responsibility
  • Multi-drop deliveries
  • Maximum of 6 delivery points per route
  • Fulltime
Read More
Arrow Right
New

Communications Officer

The Communications Officer plays a central role in raising the profile and impac...
Location
Location
United Kingdom
Salary
Salary:
25428.00 - 26143.00 GBP / Year
educationpartnershipne.ac.uk Logo
Education Partnership North East
Expiration Date
January 30, 2026
Flip Icon
Requirements
Requirements
  • Undergraduate Degree in a related discipline or relevant marketing or communications experience
  • Developing and delivering a range of content for use on multiple platforms and channels
  • Excellent written and verbal communication skills
  • Digital communication skills
  • Excellent attention to detail
  • Strong interpersonal skills
Job Responsibility
Job Responsibility
  • Work with the Head of Communications and the Communications Team to support the planning and delivery of strategic external and internal communications to enhance the profile, reputation and impact of CTEC and HICSA across priority audiences and media channels
  • Plan, create and manage high-quality, multi-channel content, ensuring assets are strategically developed, effectively repurposed and accessible to maximise audience engagement and campaign impact
  • Work with the Corporate Engagement Coordinator to support the planning and delivery of high-profile official visits and sector events
  • Strengthen brand positioning by researching and communicating clear, evidence-based USPs that reflect organisational values and support reputation building
  • Support external communications, the Communications Team and wider Marketing and Communications Team when needed at key events and during busy periods
What we offer
What we offer
  • Generous holiday allowance ranging between 35-48 days per year, plus public holidays
  • Generous family leave and flexible working options (dependent on role)
  • LGPS or Teacher Pensions Scheme, (dependent on role 15.7% - 28.68%)
  • Access to myLifestyle benefits platform providing retail discounts and more
  • We offer dental, eye care & health cash plans
  • Extensive wellbeing support through a digital Wellbeing Hub that offers a broad range of support for physical, mental, and financial wellbeing
  • Free parking on most campuses
  • Free Gym access available at Bede Campus
  • Fulltime
Read More
Arrow Right
New

Security Officer

We process more than 2 million mobile phones and gadgets per year onsite – want ...
Location
Location
United Kingdom
Salary
Salary:
12.63 GBP / Hour
morson.com Logo
Morson Talent
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Valid SLA Licence is MANDATORY
Job Responsibility
Job Responsibility
  • Provide highly visible internal and external security and guarding presence
  • Maintain accurate records and log of all incidents and site visit register
  • Ensure compliance with company procedures are adhered to regarding key security
  • Ensure compliance with company regulations surrounding security management at site
  • Ensure compliance with company regulations regarding search procedures regarding employees/agency workers, bags, lockers, cars etc including random searches of benches and tool kits
  • To carry out all security processes and procedures in line with Ingram Micro policy guidelines maximising all search procedures with regards to personal searches, bag searches, locker and car searches
  • Locker room to be checked at the end of each shift
  • To ensure correct procedures are adhered to by all employees/agency workers/contractors/visitors when entering and leaving the workplace
  • Regular foot patrolling of production areas, warehouse and stores
  • Regular monitoring of CCTV footage, reporting any irregularities to the Security Manager
What we offer
What we offer
  • Enjoyable place to work
  • Career development (70% of our team leaders joined as agents)
  • Employee Discounts (1000’s of discounts available with local and global companies)
  • Gym Membership discounts including health assessments, physiotherapy, and swimming lessons
  • Modern Canteen and Breakout Facilities with hot & cold food available
  • Free Tea & Coffee
  • Free Fruit Friday’s
  • A range of shift patterns to suit all lifestyles
  • Located on the outskirts of the city with parking and good bus links to the city centre or beyond
  • Overtime available
  • Fulltime
Read More
Arrow Right
New

Class 1/class 2 drivers

blue Arrow are still looking for HGV 1/2 Drivers for different clients in and ar...
Location
Location
United Kingdom , Glasgow
Salary
Salary:
16.00 - 18.50 GBP / Hour
hgvtrainingnetwork.com Logo
HGV TRAINING NETWORK
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • No more than 6 points on licence
Read More
Arrow Right