Senior iOS and Android Developers - Multiple Openings

We are seeking a highly skilled Senior iOS Developer to take charge of the entire lifecycle of our iOS application, from architectural design and development to testing and the successful launch of new features. While the app is already live on the Apple Store, we invite you to employ cutting-edge technologies and data-driven insights to elevate the app to new heights.Key Responsibilities:Lead the architecture and development of iOS applications.Effectively communicate technical challenges and limitations to your team.Provide technical support to the client support team as needed.Evaluate the feasibility and complexity of new features, offering time estimates for implementation.Assist in documenting, debugging, evaluating, and unit testing projects.Collaborate with backend developers to integrate and utilize RESTful APIs.

We are seeking a highly motivated and skilled Lead iOS Developer to join our dynamic team at 360IT Professionals. In this role, you will lead the development of innovative iOS applications, ensuring high performance and responsiveness to user requests. As a key member of our team, you will collaborate with designers, product managers, and other developers to create seamless user experiences.Your responsibilities will include mentoring junior developers, conducting code reviews, and implementing best practices in software development. If you are passionate about mobile technology and want to make a significant impact in our organization, we want to hear from you!

Join our dynamic team at Artech Information Systems LLC as a Senior Java Developer! We are looking for a talented individual with a strong background in Java development and a passion for building scalable applications. You will collaborate with cross-functional teams to design and implement high-quality software solutions that meet the needs of our clients.

Key ResponsibilitiesAs a Senior BizTalk Developer, you will play a pivotal role in designing, developing, and deploying integration solutions using Microsoft BizTalk Server. You will collaborate with cross-functional teams to ensure seamless integration between various systems.Mandatory Technical / Functional Skills- 3-7 years of hands-on experience in MS BizTalk development, including mapping and configuration.- Proficient in BizTalk versions 2010, 2009, 2006R2, and 2004, along with ESB toolkit 1.0, WMQ Tools, TFS, SOS, WiX, soapUI, EDI Formats, and the EDI adapter for 2004.- Solid understanding of MQ Series, MOSS, WCF, and Web Services.- Familiarity with Windows XP, Windows Server 2000, 2003, 2008.- Strong programming skills in C# and .NET frameworks ranging from 2.0 to 4.5.- Experience integrating systems with MS Dynamics CRM 2011, SAP, and other LOB applications.- Knowledgeable in RDBMS including SQL Server 2005, 2008, and Oracle 10g, as well as SQL Server Integration Services (SSIS).- Understanding of document standards such as XML, Accord (Life Insurance Standard), and EDI (ANSI X12).- Experience with BizTalk BAM for real-time monitoring.Other Skills- Exceptional written communication abilities.- A customer-centric approach is essential.- Experience in implementing Agile methodologies and practices to enhance the Software Development Life Cycle (SDLC) including Test Driven Development, Feature Driven Development, CMMi, and SCRUM.

Join our dynamic team at 360itprofessionals as a Senior Java Developer. We are looking for a skilled developer with a passion for coding and problem-solving to help us build innovative software solutions. In this role, you will collaborate with cross-functional teams to design, develop, and implement high-quality applications that meet business needs.As a Senior Java Developer, you will be responsible for writing clean, maintainable code and optimizing application performance. You will also be involved in code reviews, mentoring junior developers, and participating in agile development processes.

Join our dynamic team as a Senior Java Developer and leverage your expertise in building robust applications! We are seeking a passionate individual who excels in Java development and is eager to make an impact. This role offers an exciting opportunity to work with cutting-edge technologies and collaborate with a talented team.

Join our dynamic team as a Senior Java Developer and contribute to innovative software solutions in a collaborative environment. We are seeking an experienced developer who is passionate about technology and eager to tackle complex challenges. This position is ideal for individuals who thrive in a fast-paced setting and are looking to make a significant impact within our organization.

Join Acorn Product Development, a leading innovator in product design and engineering, dedicated to enhancing global manufacturability. With offices in Silicon Valley, Boston, Denver, and China, we collaborate with top Fortune 100 and 500 companies as well as dynamic start-ups to create cutting-edge products in fields such as robotics, industrial applications, life sciences, medical devices, and consumer products.At Acorn, we cultivate an environment where engineers can thrive, gaining invaluable experience and rapid professional growth while being part of an exceptional team. If your qualifications align with our needs, we are eager to connect with you!This position is based in our Denver, CO office.

At Lighthouse, we are dedicated to transforming the commercial strategy landscape within the hospitality sector. Our advanced commercial platform simplifies data management, equipping businesses with actionable insights, sophisticated pricing tools, and innovative business intelligence to fully realize their revenue potential.Supported by $370 million in Series C funding and fueled by a relentless drive for growth, we have integrated five companies into our mission and exceeded $100 million in Annual Recurring Revenue (ARR) as of 2024. Our diverse team of over 850 professionals spans 35 countries, representing 34 different nationalities.At Lighthouse, we foster more than just a workplace; we cultivate a vibrant community. Together, we collaborate, innovate, and remain deeply committed to revolutionizing the hospitality industry. Are you ready to embark on this exciting journey with us?

Speechify seeks an iOS Core Product Software Engineer to join the team in Denver, CO. This role focuses on building and maintaining the core iOS applications that power Speechify’s text-to-speech solutions. The main goal: deliver a reliable, seamless experience for users while supporting ongoing improvements to the product. Key responsibilities Design and implement new features for Speechify’s core iOS app Maintain and enhance existing code to ensure strong performance and stability Work closely with product and design teams to refine and improve the user experience Contribute to Speechify’s mission of making reading accessible for everyone Location This position is based in Denver, CO, USA.

Join our dynamic team at California Creative Solutions Inc. as a Senior .NET Developer on a 6-month contract basis. This is an exciting opportunity for a skilled developer to contribute to innovative projects and collaborate with talented professionals in the industry.We are seeking candidates who are local to the Denver area. As a Senior .NET Developer, you will be responsible for developing robust applications using C#/ASP.NET and integrating RESTful web services. You will also work with Oracle databases to ensure data integrity and efficient data retrieval.

Are you a talented Senior Android Developer looking for your next challenge? Join us at usm2 in Denver, where innovation meets excellence. We are seeking a skilled developer who is passionate about creating top-notch mobile applications and is ready to contribute to exciting projects. This is a fantastic opportunity to work in a dynamic environment and enhance your technical skills.

About Our Company:Based in the vibrant city of Denver, Colorado, Cologix stands as a premier leader in network-neutral interconnection and hyperscale edge data center services across North America. We empower our customers by providing access to over 45 digital edge and Scalelogix℠ hyperscale edge data centers, strategically located in 13 key markets throughout the United States and Canada. Our robust ecosystem is enriched with over 710 networks, 360 cloud providers, 35 onramps, and seven Internet exchanges, facilitating unparalleled connectivity. With nearly 2,000 clients, we pride ourselves on fostering strong partnerships through dedicated local operations teams that deliver exceptional operational support and stellar customer service. Backed by one of North America's largest infrastructure funds, Cologix's seasoned leadership team and commitment to ESG initiatives foster a culture that prioritizes our people, environment, and clients.Position Overview As the Senior Manager of Corporate Development, you will play a crucial role in driving Cologix’s strategic growth initiatives. This position involves leading the identification, evaluation, and execution of strategic investments, including acquisitions, partnerships, and organic growth. The ideal candidate will possess a strong background in corporate development, strategic planning, and financial analysis. Reporting directly to the VP of Corporate Development, you will collaborate closely with our executive team to shape the future of our organization.

Join our innovative team at 360itprofessionals1 as a Senior Android Developer. We are looking for a talented individual with at least 5 years of experience in Android development to help us build amazing mobile applications that enhance user experiences. In this role, you will collaborate with cross-functional teams, contribute to all phases of the development lifecycle, and ensure the delivery of high-quality software.

As a Senior Manager of Research and Development at Crusoe, you will lead innovative projects that drive our mission forward. You will be responsible for overseeing R&D initiatives, managing a team of talented professionals, and ensuring that our products meet the highest standards of quality and efficiency. Your expertise will play a crucial role in shaping the future of technology within our organization.

Join our dynamic team at 360 IT Professionals as a Senior Java Developer. We are seeking a highly skilled individual with over 10 years of experience in Java development to lead innovative projects and enhance our software solutions. In this role, you will collaborate with cross-functional teams to design, implement, and maintain high-quality applications.

As the Senior Director of Site Development at Rowan, you will lead the strategic planning and execution of our site development initiatives. This role is pivotal in driving the growth and expansion of our operations, ensuring that we meet our objectives efficiently and effectively. You will collaborate with cross-functional teams, manage complex projects, and engage with stakeholders to deliver results that align with our company’s vision.

Are you a talented Senior Java Developer looking for your next challenge? Join 360IT Professionals in beautiful Denver, Colorado. We are seeking a highly skilled developer to contribute to innovative projects and enhance our software solutions. If you are passionate about technology and have a proven track record in Java development, we want to hear from you!

Todyl helps small and medium-sized businesses stay ahead of evolving cyber threats. The platform brings together tools for threat detection, risk management, and compliance, supporting Managed Service Providers (MSPs) in delivering reliable and cost-effective cybersecurity. The team values trust and a shared mission, focusing on keeping partners and customers secure while helping them manage risk and meet regulatory standards. Role overview The Senior Software Development Engineer in Test (SDET) will design and implement automated testing frameworks for Todyl’s backend systems. This work spans regression, performance, and security testing. Deep technical expertise, especially in networking, is essential. The position suits someone who can solve broad problems, work independently, and build solutions from the ground up. The main goal is to automate testing, reduce manual effort, and support the growth of the engineering team. What you will do Create, develop, and execute test plans for networking software and hardware. Build automated systems to handle regression, performance, and security tests. Collaborate with QA, SRE, and engineering teams to shape testing strategies and integrate them into CI/CD pipelines. Test distributed systems, including Linux-based appliances, services, and APIs. Conduct performance, scalability, and security tests in complex network environments. Simulate real-world network traffic and introduce faults to evaluate system reliability. Identify, document, and track bugs or performance issues to ensure high system quality. Requirements Minimum 10 years of experience in software quality assurance and testing. Advanced expertise with automated testing frameworks and tools. Strong understanding of networking concepts and protocols. Demonstrated experience working in cross-functional teams. Excellent problem-solving skills and attention to detail. Location This role is based in Denver, CO.