Freelance Software Developer (JavaScript) - Quality Assurance (AI Trainer)

About CoinList CoinList is a leading crypto financial platform supporting the full lifecycle of crypto investment. We offer a comprehensive suite of services, including token sales, trading, lending, staking, and access to DeFi opportunities. CoinList has helped raise over $1.1 billion for groundbreaking projects, establishing itself as the go-to platform for innovative blockchain companies. Our platform is trusted by validators, miners, founders, crypto funds, and a broad array of crypto enthusiasts globally. The Opportunity We’re looking for a Senior Software Engineer (Full Stack, Backend-leaning) to join our Core Team. You’ll play a key role in building and scaling the core financial infrastructure that powers CoinList’s money movement, wallet, and custody solutions, while also owning and improving our web application experience. This is a high-impact role where you’ll ship production systems, shape product direction, and help set technical standards for the team. This role is ideal for a full stack engineer (backend-leaning) who thrives in product-focused environments, cares deeply about UX and frontend polish, and is excited to own both backend infrastructure and web product experiences in a fast-paced fintech startup. What You’ll Do: Design, build, and scale robust financial software systems and backend services that power money movement, custody, and payment flows. Develop and maintain web frontends (React, LiveView) with a focus on UX, collaborating closely with designers to deliver polished, user-friendly products. Architect and optimize wallet and custody solutions for a variety of cryptocurrencies, ensuring security, reliability, and scalability. Own projects end-to-end: From concept and design through implementation, testing, deployment, and monitoring. Collaborate cross-functionally with product, compliance, and other engineering teams to deliver secure and delightful financial products. Participate in code reviews, share knowledge, and help upskill junior engineers. Identify and address performance bottlenecks, reliability gaps, and opportunities for automation. Influence product and technical direction, working closely with leadership and crypto founders. Requirements 5+ years of professional engineering experience shipping high-quality code in production environments Strong coding fundamentals Proven experience scaling financial systems (fintech, payments, trading, or crypto/DeFi platforms). Security-first mindset and deep understanding of best practices in financial software development. Experience with, or open to learning and working with, Elixir and LiveView (backend and frontend). Demonstrated experience building and maintaining production web frontends (React, LiveView, or similar). Track record of product ownership, attention to detail, and working collaboratively with designers. Bonus Skills: Experience with distributed systems or microservices architecture. Prior Elixir experience is a plus but not required-willingness and ability to learn is key. Familiarity with blockchain protocols, crypto custody, or staking systems. Experience integrating with payment rails, ledgers, or compliance systems. Contributions to open-source projects or crypto communities. Backend engineering fundamentals with experience in modern languages (Elixir, Ruby, Go, TypeScript, Python, etc.). Tech stack:  Elixir (primary), LiveView (frontend), Ruby. Most new development is in Elixir and LiveView. Legacy systems in Ruby on Rails and React. Benefits $128,000 – $179,000 USD base + significant equity (depending on experience/location)

Core Systems, a leader in rugged computer and server solutions for mission-critical defense and industrial applications, is seeking a Computer Repair Technician to join our RMA and repair operations team. This position focuses on diagnosing, troubleshooting, and repairing customer-returned products and Core Systems–built servers. Resume Required. Key Responsibilities Perform diagnostics, troubleshooting, and repair on returned computer systems, servers, and components. Process RMA units through inspection, testing, and documentation. Repair hardware at the system, component, and board level when required. Assist in root cause analysis and corrective action reports for customer returns. Work closely with engineering and production teams to support continuous improvement. Maintain accurate service records and ensure timely turnaround of customer units. Qualifications Proven hands-on experience repairing computer systems, servers, or related IT hardware. Strong knowledge of hardware components (motherboards, CPUs, memory, storage, power supplies, etc.). Experience with diagnostic tools and test equipment. Ability to read schematics and follow technical documentation. Detail-oriented, organized, and able to work under time-sensitive conditions. Previous experience in an RMA/repair environment is a MUST. Familiarity with ruggedized or military/industrial computer systems a plus. What We Offer Competitive pay and benefits package. A chance to work with cutting-edge technology in the defense and industrial markets. Collaborative, supportive team environment. Opportunities for growth and advancement within the company.

ML Engineer Location: Charlotte, NC or Malvern, PA (hybrid – 3 days/week from office) Duration: 06 months yrs of exp:10   Job Description: Overview: We are seeking Full Stack ML Engineers to support the Hyper Personalization program for our Wealth client, a key initiative aimed at enhancing personalization within financial services. This role requires strong delivery-focused individuals with a deep understanding of the AWS tech stack and financial services personalization.   Responsibilities: • Integrate AI/ML models with multiple data sources: Ensure seamless data flow in and out of models. • Fine-tune existing models: Optimize performance and adapt models to evolving requirements. • Build and maintain data pipelines: Design and implement ETL processes to support model integration. • Monitor and manage ML models in production: Implement MLOps practices for model monitoring, tracking, and maintenance. • Collaborate with cross-functional teams: Work closely with data scientists, data engineers, and other stakeholders to deliver robust ML solutions. • Drive architecture and engineering best practices: Lead efforts to establish and enforce best practices in building the integration framework.   Technical Skills: • Proficiency in Python and SQL databases: Essential for data manipulation and integration tasks. • Experience with AWS cloud services: Including but not limited to: o SageMaker o Lambda o Glue o S3 o IAM o CodeCommit o CodePipeline o Bedrock • Experience with data pipeline and workflow management tools: Such as Apache Airflow or AWS Step Functions. • Understanding of ETL techniques, data modeling, and data warehousing concepts: To build efficient data pipelines. • Familiarity with AI/ML platforms and tools: Including TensorFlow, PyTorch, MLflow, and others. • Knowledge of MLOps practices: Including model monitoring, data drift detection, and pipeline automation. • Experience with Docker and AWS ECR: For containerization of ML applications.    

About Us Domalytx is reimagining the future of home inspections by combining deep field expertise with cutting-edge technology. Founded and built by civil engineers with over 15 years and 5,000+ inspections under their belt, we know the real problems inspectors face and the level of accuracy homeowners and buyers demand. Headquartered in Silicon Valley, we bring a technology-first mindset to an industry that has long lagged behind in innovation. Our platform transforms inspections from a slow, manual process into a streamlined, AI-assisted experience where inspectors can simply walk, talk, and capture photos while the software generates clear, professional reports. Backed by our leadership in foundation, structural, seismic, and drainage inspections—the most complex and high-stakes areas in residential real estate—we are uniquely positioned to become the trusted standard for property condition reporting nationwide. Joining Domalytx means being part of a team that’s not just modernizing inspections, but building the platform that will define how homes are evaluated, bought, and maintained for decades to come. The Role We’re looking for an Industry Partnerships & Data Acquisition Lead to help us grow the network of professionals contributing to our platform. You won’t do this alone. You’ll be partnered with an industry veteran (engineer/inspector) who can jump in for credibility, sit in on Zoom calls, or join in-person meetings when technical authority is needed. You’ll drive the outreach and relationship-building; they’ll provide subject matter expertise when needed. This isn’t a traditional sales or data role. It’s part relationship-building, part process design, and part entrepreneurial hustle. You’ll be helping invent a new category. What You’ll Do • Focus on building trust to foster participation from our leads • Oversee the process of capturing and structuring data. • Partner with our industry expert for select calls and meetings to deepen credibility. • Document and improve our strategies for relationship building. • Track progress and report on what’s working and where to adjust. What We’re Looking For • Proven success in sales, partnerships, business development, or community engagement (bonus if with contractors, SMBs, or real estate pros). • Natural relationship-builder with strong communication skills. • High resilience — able to handle pushback and keep going. • Process-oriented: can turn messy lessons learned into repeatable systems. • Comfortable with CRM tools, spreadsheets, and documenting workflows. • Curious and adaptable — able to learn the basics of industry language quickly. • Entrepreneurial mindset: thrives in ambiguity and likes building from scratch. What We Offer • The chance to pioneer a role in a massive, untapped industry. • Direct mentorship from founders and collaboration with industry experts. • An industry partner at your side for credibility and support. • Competitive compensation with upside as we grow. • Remote flexibility, with occasional in-person visits depending on geography. • A mission-driven company improving how millions of homeowners make decisions. Why Join Now? No one in this industry has done this before. You won’t be plugging into a machine — you’ll help design it. If you want to be the first of your kind in a growing startup, and if you’ve got the hustle and curiosity to make it work, we’d love to hear from you. How to Apply Send us your LinkedIn profile, resume, a note about why this role excites you and share an example of a time when you had to hustle to convince someone or build a relationship from scratch. Thanks!

As a Software Development Engineer with a focus on Identity and Access Management (IDAM), you will leverage your expertise in both software development and IDAM to provide operational support and advanced engineering solutions for Identity Access Management, including provisioning, authentication, and access management for both cloud and on-premise environments. In this role, a typical day will include: Participating in system development to include design, modeling, security, integration, and formal testing of an IDAM solution such as Radiant Logic and/or SailPoint Supporting an Attribute Based Access Control ABAC application development, integration, deployment, and maintenance. Design, develop, build, and test IT engineering solutions utilize for aggregation of attributes from authoritative sources, integration with Virtual LDAP Directory, Web Services Developing advanced engineering ideas and guiding their development into a final product Creating and maintaining programmatic and technical documentation Implementing system enhancements resulting in improved IT enterprise performance Analyzing customer requirements, specifications, and proposing solutions that fit to standards, compliance, and operational requirements Create, manage and update issues related to development tasks in JIRA Version control and source code management with Bitbucket Code testing and integration with CI/CD pipelines Requirements Master's degree with 8+ years of experience / Bachelor's degree with 10+ years of experience. Active TS/SCI clearance and ability to obtain and maintain a CI poly. Must meet DoD 8570 IAT Level II requirements including one of the following: Security+ CE, CND, SSCP, GSEC, GICSP, CySA+, or CCNA Security Experience supporting commercial-off-the-shelf (COTS) Identity Access Management (IAM) tools within an IT enterprise environment Knowledge of Java, JavaScript, XML, SOAP, and REST development Knowledge of Oracle Database Knowledge of Docker Containers and Ansible Knowledge of Active Directory, Lightweight Directory Access Protocol, and Single-Sign-On across multiple domains, as well as Multi-Factor Authentication and Personal Identity Verification authentication Experience with Linux based systems and Bash scripting Ability to diagnose and solve complex issues DevOps principles for developing, testing and deploying applications Knowledge of Oracle OID Experience working within government enterprise environment Nice to Have: Experience with Radiant Logic and/or SailPoint products  Experience with supporting IAM in a Cloud environment, including Azure or AWS Experience with SQL database administration or management Experience with integrating Radiant Logic with third party data sources Benefits Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Our strong technical and management experts have been able to maintain a standard of excellence in their relationships while delivering innovative, scalable and collaborative infrastructure to our clients. Why ENS? Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS 401k Contribution from Day 1 PTO + 11 Paid Federal Holidays Long & Short Term Disability Insurance Group Term Life Insurance Tuition, Certification & Professional Development Assistance Workers’ Compensation Relocation Assistance

We are inviting motivated individuals who want to grow into careers in technology. If you want to learn coding, complete projects, and prepare for entry-level developer roles, this training path is for you. This is a remote program available part-time or full-time. With nearly 900 hours of guided lessons and project work, you’ll master modern languages, developer tools, and workflows—all while building a résumé and portfolio that will impress employers. 🖥️ Technology & Programming Fundamentals -Understand how computers, browsers, networks, and the internet operate -Study algorithms, number systems, data structures, and security basics -Practice Python scripting, command line operations, and logic design 💻 Web & Front-End Development -Develop websites with HTML5, CSS3, and Bootstrap -Build dynamic web content using JavaScript, jQuery, and React.js -Practice responsive design techniques and layout principles 🗄️ Back-End & Database Development -Design and maintain databases with SQL and SQL Server -Perform CRUD tasks and explore relational models -Build back-end systems using Python (Django) and C# (.NET Framework/Core) 🧑‍💻 Programming Languages & Tools -Learn C#, Python, JavaScript, HTML, CSS, SQL, and other languages -Use Git, GitHub, Visual Studio, and Team Foundation Server -Apply collaboration methods and version control systems 🧪 Capstone Projects -Complete two professional projects (Python + C#) -Build portfolio-ready applications with Agile, Scrum, and DevOps -Strengthen debugging, teamwork, and coding abilities 🧰 Career Preparation -Write résumés and cover letters tailored to tech careers -Practice technical and whiteboard interview preparation -Get ready for entry-level developer jobs 🚀 No experience necessary. Remote opportunities available. Take the next step in your professional journey. 👉 Apply now: https://softwaredevpros.online/