Senior/Lead Full Stack Engineer (NodeJS+React)

Job Description: Responsibilities 1. Frontend Architecture & Development Design and develop scalable, maintainable, and reusable React components. Implement TypeScript best practices for strongly typed applications. Architect efficient and optimized state management using Redux, Zustand, or Context API. Improve application performance with techniques such as code splitting, lazy loading, memoization, and virtualized lists. Ensure responsive and accessible UI using modern CSS methodologies (CSS-in-JS, Tailwind, Styled Components). 2. Test Automation & Quality Assurance Develop and maintain automated testing frameworks using Playwright and Cypress. Ensure comprehensive unit, integration, and end-to-end testing coverage. Build test strategies for cross-browser and cross-device compatibility. Implement strategies to reduce flakiness in test automation and maintain stability over time. Work closely with backend and DevOps teams to integrate tests into CI/CD pipelines."

API Kong Engineer Location: Phoenix, AZ (Hybrid – 3-5 days/week from office) Duration: 12 months Experience:8+Years   Job Description: We are seeking a skilled API Developer / Integration Engineer who is proficient in managing and optimizing APIs using KONG Gateway. As part of our team, you will be responsible for designing, developing, and deploying API solutions that enhance our platform’s functionality and performance. Responsibilities: Design and implement scalable API solutions using KONG Gateway. Collaborate with cross-functional teams to gather and understand integration requirements. Develop custom plugins and middleware to extend KONG Gateway functionalities. Optimize API performance and security through monitoring, tuning, and troubleshooting. Implement API management best practices including versioning, documentation, and access control. Integrate APIs with various backend systems and databases. Ensure high availability and reliability of APIs by implementing robust failover and redundancy strategies. Stay updated with the latest industry trends and advancements in API management and integration. Requirements: Proven experience in designing and developing APIs using KONG Gateway. Strong understanding of RESTful API design principles and best practices. Proficiency in programming languages such as Python, Node.js, or Java. Experience with containerization technologies like Docker and orchestration tools such as Kubernetes. Familiarity with API security standards (OAuth, JWT, SSL/TLS). Ability to troubleshoot complex API issues and performance bottlenecks. Excellent communication skills and the ability to collaborate effectively with team members. Proven experience as a Kong API expert or similar role. Strong knowledge of API design and development principles. Proficiency in Kong API gateway configuration and management. Experience with Kong plugins, Lua, and Kong Enterprise features. Familiarity with RESTful APIs, OAuth, JWT, and other API security protocols. Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes) is a plus. Strong troubleshooting and problem-solving skills.   Preferred Skills: Experience with other API gateways (e.g., Apigee, AWS API Gateway) is an advantage. Knowledge of cloud platforms (e.g., AWS, Azure, GCP).Experience with DevOps practices and CI/CD pipelines. Familiarity with logging and monitoring tools (e.g., ELK stack, Prometheus). Preferred Qualifications: KONG Certified Developer or Administrator. Experience with other API gateways and management platforms. Knowledge of microservices architecture and design patterns.  

Title: Full-stack Software Developer Location: McLean, VA Rate: $Open/ Hr 2+ year contract Openings: 4 Description:- • Master’s or Minor in Computer Science • 5 years of experience developing front end technologies: Angular JS, Node JS, JavaScript, Typescript, HTML 5, or CSS • Experience with Protractor, Karma, or Jasmine • Experience in Application Development using one of modern languages: Java, JEE, Spring, Go, or Lua • Experience in one of Cloud technologies: AWS, Azure, OpenStack, Docker, Ansible, Chef or Terraform • Experience developing RESTful APIs, developing UNIX and Shell Scripts • Experience in Testing frameworks and Quality Assurance technologies: ATDD, Selenium, Cucumber, JUnit, and SoapUI • Experience in Container orchestration frameworks: Kubernetes, Docker Swarm, or Amazon ECS • Experience with Artifactory, Nexus and GitHub • Certified in Java, Spring or AWS technologies. Note: If interested please send your updated resume to Gowri.Sankar@two95intl.com and include your Rate requirement along with your contact details with a suitable time when we can reach you. If you know of anyone in your sphere of contacts, who would be a perfect match for this job then, we would appreciate if you can forward this posting to them with a copy to us. We look forward to hearing from you at the earliest! Requirements Note: If interested please send your updated resume to Gowri.Sankar@two95intl.com and include your Rate requirement along with your contact details with a suitable time when we can reach you. If you know of anyone in your sphere of contacts, who would be a perfect match for this job then, we would appreciate if you can forward this posting to them with a copy to us. We look forward to hearing from you at the earliest!

We’re seeking a highly skilled AI Engineer. Our client within the technology space is offering innovative projects that solve real-world problems with AI. This role will provide opportunities to work with cutting-edge technologies and deliver impactful AI solutions. Key Responsibilities: Develop, train, and deploy machine learning (ML) and deep learning models to solve industry-specific challenges. Design scalable data pipelines and preprocess datasets for training and inference. Collaborate with cross-functional teams to integrate AI models into existing systems. Research and implement state-of-the-art algorithms for areas like NLP, computer vision, predictive analytics, and generative AI. Conduct error analysis and improve models to address bias, fairness, and explainability. Document technical processes and results, ensuring knowledge sharing within teams. What We’re Looking For: Technical Skills: Proficiency in programming languages like Python, R, or Java. Hands-on experience with AI frameworks such as TensorFlow, PyTorch, or scikit-learn. Strong knowledge of data preprocessing, feature engineering, and model evaluation metrics. Expertise in at least one domain: Natural Language Processing (NLP) Computer Vision Reinforcement Learning Generative AI (e.g., GPT, Stable Diffusion) Familiarity with cloud platforms (e.g., AWS, Google Cloud, Azure) for model deployment. Strong grasp of mathematics and statistics (e.g., linear algebra, probability, optimization). Soft Skills: Ability to explain complex AI concepts to non-technical stakeholders. Strong problem-solving and critical-thinking skills. Passion for continuous learning and staying updated with the latest AI trends. Requirements Preferred Qualifications: Bachelor's or Master’s degree in Computer Science, Artificial Intelligence, Data Science, or a related field. Industry certifications in AI/ML (e.g., AWS AI/ML Certification, Coursera AI Specializations). Previous experience in sectors like healthcare, finance, retail, or autonomous systems is a plus. Benefits Exposure to international markets and the opportunity to work with a diverse team Flexible remote working arrangements Innovative environment At Substance, we’re all about action, not just talk. If your profile aligns with what we need, you’ll hear from us within 1-2 weeks. If not, no fluff—just know we value your interest and will keep you in mind for future roles where your skills can make an impact. We focus on real connections and meaningful matches, so when the right opportunity comes, we’ll be ready to make it happen. Getsubstance.co Pte. Ltd. | EA License No: 24C2398

Engineer Solutions that Empower Students  Are you passionate about technology, troubleshooting, and making an impact in education? MasteryPrep is seeking a Technical Support Engineer to provide high-quality support to both internal teams and external users, ensuring seamless operations across our technology platforms. Join a team dedicated to using technology to empower educators and students nationwide. In this role, you will serve as a key technical resource for our customers, troubleshooting and resolving complex issues across full-stack web applications. You’ll use modern developer tools, databases, and reporting systems to diagnose problems, ensure smooth integrations, and deliver timely solutions. This hands-on position involves collaborating closely with development, QA, and product teams to reproduce and resolve defects, maintaining application stability, and driving continuous improvement. Success in this role requires both strong technical expertise and clear, empathetic communication, ensuring that every customer interaction leads to a reliable and positive experience. Key Responsibilities: Serve as the primary point of escalation for customers issues, addressing their technical inquiries and issues related to full-stack technologies. Provide timely troubleshooting and resolution of customer-reported bugs in web applications built with TypeScript and React. Diagnose and resolve database-related issues in PostgresSQL and Firestore, ensuring data integrity and performance optimization. Document, track, and escalate customer-reported bugs using Gitlab. Collaborate with development teams to reproduce, diagnose, and resolve software defects Lead maintenance engineering. Work closely with cross-functional teams, including development, QA, and product management, to resolve complex technical issues. Communicate effectively with customers, providing updates on the status of their requests and issues in a clear and timely manner. Gather feedback from customers to improve the support process and contribute to product enhancements. About MasteryPrep Nearly 90% of low-income students graduate high school without a college-ready ACT or SAT score. MasteryPrep’s mission is to level the playing field in education by offering the most effective test preparation available – made accessible to all students.  Through more than 10 successful years of partnering with school districts and institutions on college readiness services and resources, MasteryPrep has surpassed one million students served since the company’s founding in 2012.  MasteryPrep increased its student outreach by 70 percent in 2021 and is ranked among the Inc. 5000 “Fastest Growing Companies,” featured by “Entrepreneur 360,” and selected among the “Growth Leaders” by Louisiana Economic Development. Requirements Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience) 2+ years experience as a full-stack engineer Strong knowledge of Google Firestore, PostgreSQL, TypeScript, JaveScript, and React Experience with SSO,  specifically with Security Assertion Markup Language (SAML) protocols Proficient in integrating Learning Tools Interoperability (LTI) standards  Skilled in integrating with Student Information Systems (SIS)  Familiarity with rostering and integration services in education technology (e.g., Clever, ClassLink, Schoology) Excellent problem-solving and troubleshooting skills Ability to work independently and as part of a team in a fast-paced environment Strong communication and collaboration skills Familiarity with compliance standards such as FERPA, COPPA or PCI DSS preferred Knowledge of secure coding practices and application security testing techniques preferred Benefits $75,000-$85,000 starting salary based on qualifications  Opportunity to work with cutting-edge technologies in a collaborative environment Flexible work hours and remote work environment Professional development opportunities and reimbursement for certifications and training  Company-sponsored social events and team-building activities Employee benefits eligibility (health, disability, AD&D, life insurance) Matching 401k Paid time off Generous paid holidays

Company Profile      At Sand Cherry Associates, we excel in the design and delivery of strategic customer-centric initiatives through digitally native, data-empowered solutions.  Our client’s confidence in us is centered on exceptionally skilled, high-energy talent working with the support of the full Sand Cherry team.  Finding the right match for this role is a critical aspect of continuing that success.       Overview   We are looking for an experienced Product Manager. This role is responsible for leading project lifecycle and product development and deployment initiatives for an IP Video product for an enterprise organization. This involves product planning, drafting and refining product requirements, competitive research and analysis, and all product operations through deployment. This position is hybrid and qualified candidate will work on-site in either Philadelphia PA, or Denver, CO a few days a week and other days remote. Candidates must live in either the Philadelphia metro area or the Denver metro area and be willing to go on-site each week some days.     Duties & Responsibilities  Manage products and services utilizing product and/or project management principles, strategy and execution  Understand the current GTM approach and how to engage with stakeholders as necessary for product release solutions  Proven ability to work in large, enterprise organization and communicate effectively with stakeholders  Manage key documentation deliverables such as inputs, outputs, GTM materials   Enhance product management tools, documentation, and reporting  Create and maintain product related information and communication  Create and maintain process workflow documentation to support business needs  Consistently exercise informed judgment and discretion in matters of significance  Direct cross functional teams, such as engineering or development, regarding product requirements  Act instrumentally in connecting Agile and non Agile teams to support product efforts   Requirements Desired Skills and Experience  Minimum 7 years direct product planning, product operations and product management experience  Experience in telecommunications/broadband, data service networks, or contact center environments preferred  Experience working with IP video is required Experience in an Agile or Scaled Agile environment is necessary  Experience with project or program management is necessary Knowledge and understanding of products in a technical capacity, understanding their requirements and related business needs  Experience aligning multiple business groups in a cross-functional, matrixed environment  Ability to drive and lead stakeholder meetings and manage deliverables from development and engineering  Excellent communication skills, utilizing a formal system for communications, reporting intake status, and collaborating with other internal groups  Ability to ramp up on new projects quickly and work autonomously, while actively keeping project team and client informed of milestones and potential issues    Qualifications/Technical Skill Requirements  Excellent knowledge of MS Office Suite products, especially Excel and PowerPoint for tracking, reporting, and executing slide presentations  Experience with MS Project and JIRA are helpful  Experience with broadband technology product solutions/offerings is preferred  Familiarity working with cross functional teams- IT, product development, engineering, and marketing is necessary  Experience managing numerous product lines and providing updates and insights to stakeholders at a variety of levels in a large enterprise organization    Education/Certifications  Bachelor’s degree in Business or other quantitative field  PMP certification is helpful or project management methodology courses  Consulting background is helpful but not required  Compensation For individuals assigned and/or hired to work in Colorado, Sand Cherry Associates is required by law to include a reasonable estimate of the compensation range for this role. This compensation range considers a wide range of factors considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and delivery model. This is a 6 - 12 month engagement with an annualized salary of $120,000 - $150,000. Years of experience, level of education, geographic location, unique skills/qualifications for the specific role and potential certifications can be key factors in the final compensation for this role. Benefits Our team is unique — we are passionate about what we do. At Sand Cherry, our consultants know they are impacting and shaping our clients’ industries. We recognize our employees for their contributions. Our culture is one of the most friendly and communicative in the consulting industry. Sand Cherry is not a top-heavy organization. We offer the opportunity to be part of a digital workforce. Discover the experience that only comes with self-responsibility in the workplace. Our team members manage their own workloads and are expected to deliver exceptional work for our clients. Professional career growth is one of our main priorities, as we affirm that investing in our consultants and empowering our people will also deliver the best results and value for our clients.