Role Description We are hiring a hands-on Full-Stack Developer to help rebuild and scale a mobile app that simplifies city travel. This role spans both front-end and back-end development, with a strong emphasis on system quality, scalability, and post-launch reliability. - Audit and validate the existing codebase, identifying gaps and improvements - Contribute to the rebuild of the backend and support front-end/mobile architecture decisions - Work across a diverse tech stack (Java, Objective-C, Ruby, TypeScript, Python, Kotlin, Swift, etc.), with potential transition to Expo - Implement error monitoring, logging, and notification systems - Support deployment and post-launch performance, including after-hours coverage when required - Collaborate on system design, integrations, and best practices across the stack Qualifications - Proven experience as a Full-Stack Developer with strong back-end capability - Experience refactoring or rebuilding systems for scalability and performance - Understanding of mobile app ecosystems (iOS/Android) - Experience with APIs, databases, and modern architectures - Familiarity with AI development tools (e.g., Claude Code, Cursor) is a plus - Self-starter with strong ownership and decision-making ability Requirements - This is a remote role that will be set up as an independent contractor engagement. - To ensure alignment and transparency, successful candidates will be expected to: - Disclose any existing ongoing roles or client work - If this engagement is uploaded to your LinkedIn profile this should be clearly marked as “Independent Contractor” Benefits - Compensation range: $2,000 AUD - $3,000 AUD / Monthly - Flexibility in managing your time while aligning with AU business hours (approx. 9 AM - 5 PM, Monday to Friday) for collaboration.

Title: Full Stack Software Engineer Location: New York United States Job Description: Constrafor is a SaaS and fintech platform purpose-built for construction. We are setting new standards of productivity and cost-efficiency for the way General Contractors and Subcontractors manage procurement & financial transactions. With over $30 million of VC financing, we are forging the path for construction innovation. Join us on our mission to advance the largest industry in the world. We’re seeking an exceptional Full Stack Engineer to join our dynamic team and lead the development and maintenance of our platform’s core functionality across both frontend and backend systems. In this role, you’ll collaborate closely with the Head of Engineering and Product teams to deliver scalable, high-performing, and intuitive solutions. As a senior member of our team, you’ll take on complex, high-impact projects that require strategic thinking, technical depth, and strong product sensibility. This position offers the opportunity to drive innovation across the organization. If you’re a seasoned engineer with a passion for building seamless, high quality user experiences in a fast-paced startup environment, we’d love to hear from you. What You'll Do: - Lead the design and development of high-quality software across the full stack, ensuring scalability, performance, and maintainability. - Build and optimize user facing applications while seamlessly integrating them with robust backend services. - Collaborate with sales and product teams to prioritize and deliver features that directly impact revenue growth and customer success. - Implement best practices for security, testing, and deployment across both front-end and back-end systems. - Engage with customers and internal stakeholders to understand their needs and translate them into elegant technical solutions. - Share knowledge across the team and contribute to a culture of technical excellence. What You Bring: - 5+ years of experience developing and scaling full stack web applications in a fast-paced environment. - Proficiency in Python, Django, Postgres, and AWS, with solid experience in front-end frameworks such as React or Next.js. - Deep understanding of RESTful APIs, modern web architecture, and front-end performance optimization. - Proven experience building and maintaining complex SaaS products with strong attention to usability and scalability. - Strong leadership and communication skills, with a track record of owning projects from concept to completion. - A passion for mentorship, clean code, and continuous learning. Constrafor Benefits: - Competitive Salary: $180k-205k DOE. - Equity ownership within Constrafor. - Hybrid office schedule (3 days out of our Hudson Yards office) - Medical, dental & vision insurance coverage offered for you and your dependents. - Generous PTO Plan. - A collaborative and innovative work culture that values your input. - Opportunity to make a significant impact in a growing tech company. Constrafor is proud to be an Equal Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state, and local law.

• Lead architecture and design for core Conductor services, ensuring scalability, resiliency, and performance at massive scale. • Tackle the most complex distributed systems challenges, influencing both near-term deliverables and future technical direction. • Collaborate with product, design, and cross-functional engineering teams to deliver high-impact, business-critical features. • Act as a multiplier—mentoring engineers at all levels, elevating team practices, and fostering a culture of technical excellence. • Champion open-source contributions to Conductor, guiding community engagement and adoption. • Evaluate and introduce emerging technologies, frameworks, and tooling to keep Orkes at the forefront of distributed computing innovation. • Establish and enforce best practices in coding standards, testing, observability, and operational readiness. • Partner closely with leadership to align engineering initiatives with business strategy and customer needs. • Stay up to date with emerging technologies and industry trends

Job Description: Job#: 3031476 Job Description: Sr. AWS Full Stack Engineer Location: Remote working CST hours Employment Type: Contract Duration: 12 months w/extension Role Overview The Senior Cloud Full Stack Engineer designs, builds, operates, and iterates on cloud-native solutions that enable end-to-end personalized experiences for guests. This role is an expert at solving technical challenges and building solutions using the best available tools in an AWS cloud-first environment. This position supports the design, development, and operation of the Marketing Technology Ecosystem, collaborating with various teams to align on architecture and integration strategies. Key Responsibilities - Design, develop, and operate full stack cloud solutions and services in an AWS Cloud Environment using a serverless-first and managed-service-first approach. - Write clean, maintainable, and efficient code following industry best practices and coding standards. - Develop and manage databases and other data storage systems to support the services being built. - Define application infrastructure using an Infrastructure-as-Code (IaC) approach, primarily with Terraform. - Provide hands-on technical leadership throughout the development lifecycle, with a focus on delivering high-quality solutions. - Maintain DevOps processes and deployment pipelines to support the implementation and release of applications and new features. - Support system migrations to the cloud by refactoring legacy systems and modernizing applications. - Collaborate with product managers and UX designers to align engineering efforts with business goals. - Take ownership of end-to-end feature development, from ideation and prototyping to deployment and continuous improvement. - Mentor engineering team members in technical decision-making, code reviews, and adherence to engineering practices. Required Qualifications Education: A bachelor's degree in computer science, engineering, management information systems, or equivalent education is required. Candidates with strong experience in lieu of a formal degree are encouraged to apply. Experience: 5+ years of experience in architecting and developing full-stack solutions, application and backend API development (Java, Go, TypeScript/JavaScript), and web application development (HTML, CSS, React, Node.js). Technical Skills: - Strong understanding of AWS serverless solutions (S3, CloudFront, API Gateway, Lambda, SQS, EventBridge). - Experience with cloud database services (RDS, DynamoDB, DocumentDB). - Experience with containerization (Docker, Kubernetes, AWS EKS/ECS/Fargate). - Experience with Infrastructure-as-Code (IaC) tools such as Terraform, Serverless Framework, AWS CloudFormation, and AWS CDK. - Base understanding of cloud services and infrastructure (VPC, EC2, S3, EBS, EFS, IAM, CW). - Knowledge of event-driven and service-oriented architectures. - Experience working in Agile development environments with tools like JIRA and CI/CD pipelines. - Candidates must speak fluent English. Preferred Qualifications - AWS Certification (AWS Solution Architect Associate, AWS Developer, AWS DevOps). - Other cloud certifications (GCP, Azure). Work Environment This is a remote position open to onshore candidates. AI assistance is not permitted during interviews, and screening for AI tool usage will be conducted. This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Apex uses a virtual recruiter as part of the application process. Click here for more details. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details. Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide. Employee Type: Contract Remote: Yes Location: Chicago, IL, US Job Type: Pay Range: $65 - $75 per hour Similar Jobs - Sr. Full Stack Developer - Sr. Full Stack Developer - AWS Connect Engineer - AWS Cloud Engineer - AWS Data Engineer