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Mid Software Engineer Jobs

37 Job Offers

Mid Java Software Engineer
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Mid Java Software Engineer sought for Sportradar’s Warsaw team to build high-performance, cloud-native services processing real-time sports data and odds. You’ll design, implement, and test scalable Java solutions on AWS, collaborating with global engineers. Requires 2+ years’ Java experience, cl...
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Poland , Warszawa
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Sportradar
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Mid Java Software Engineer
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Poland , Warszawa
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Sportradar
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Mid-Level Software Engineer
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2HB Incorporated seeks a Mid-Level Software Engineer in Annapolis Junction, MD. You will design and maintain tools for the Atlassian suite, requiring Java, Linux CLI, and Bash/Python scripting. Ideal candidates have a Master’s degree plus 3 years of SWE experience or equivalent. Join a collaborat...
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United States , Annapolis Junction
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2HB
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Mid Level Software Engineer
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Mid-Level Software Engineer needed in Hanover, MD to join an agile team developing mission-critical applications. Requires 10+ years of Java, 3+ years of C++, and expertise in Spring, JavaScript, JSP, JEE, and REST APIs. Must hold an active TS/SCI with Polygraph. Benefits include 401(k) matching,...
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United States , Hanover
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180000.00 - 225000.00 USD / Year
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Amentum
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Mid-Level Software Engineer
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Mid-Level Software Engineer needed in Annapolis Junction to develop and enhance complex software systems, including analytics, large data sets, and real-time applications. Requires 14+ years of SWE experience or a Bachelor’s in Computer Science with relevant substitution. You’ll work individually...
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United States , Annapolis Junction
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2HB
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Mid-Level Software Integration Engineer
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Mid-Level Software Integration Engineer needed in Annapolis Junction to administer and support the PaaS component of the CASA Compute Environment. You will ensure reliability, scalability, and security of high-performance Kubernetes clusters on Linux. Requires 6+ years integrating COTS/GOTS softw...
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United States , Annapolis Junction
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2HB
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Software Tool Engineer Mid-Level
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Mid-Level Software Tool Engineer needed in Laurel, MD, to design and automate DDI solutions using Infoblox. Must possess an active TS/SCI with Full Scope Polygraph and 14+ years of software engineering experience. Key duties include automating requirements management, troubleshooting complex DNS/...
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United States , Laurel
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130000.00 - 220000.00 USD / Year
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Integrity Technology Consultants
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Software Engineer Mid Level
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Mid-Level Software Engineer needed for a U.S. Government contractor in Linthicum. Must hold an active TS/SCI with Full Scope Polygraph and have 14+ years of SWE experience. Key skills include Python, Docker, Kubernetes, and AWS. You will implement data pipelines, enhance ML analytics, and integra...
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United States , Linthicum
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160000.00 - 220000.00 USD / Year
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Integrity Technology Consultants
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Mid-Level Software Engineer
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Mid-Level Software Engineer needed in Annapolis Junction to develop and maintain a full-stack web application for managing HPC access in a multi-tenant Kubernetes Linux environment. Requires a Master’s degree plus 3 years of experience (or equivalent), Linux CLI, Bash scripting, and React. Experi...
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United States , Annapolis Junction
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2HB
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Mid-Level Software Engineer
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Mid-Level Software Engineer needed in Annapolis Junction to develop and maintain a full-stack web app managing HPC access in a Kubernetes Linux environment. Requires a Master’s + 3 years or Bachelor’s + 5 years of SWE experience, plus Linux CLI, Bash, JavaScript, React, and HTML/CSS skills. AWS, ...
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United States , Annapolis Junction
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2HB
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Mid Level Java Software Engineer
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Mid-Level Java Software Engineer sought by a leading fintech firm to join their London team. You will build and scale production-grade systems that directly impact revenue, collaborating with front-office and trading teams. Ideal candidates have 2–5 years of Java experience and a Computer Science...
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United Kingdom , London
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120000.00 GBP / Year
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Hunter Bond
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Software Tool Engineer Mid-Level
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United States , Laurel
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200000.00 - 280000.00 USD / Year
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Integrity Technology Consultants
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Mid-level Software Engineer
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Mid-level Software Engineer needed in Annapolis Junction to transform complex, unstructured data into analysis-ready datasets for advanced analytics and predictive modeling. Requires a Master’s in CS with 3 years of experience or equivalent. Ideal candidates are familiar with Apache Airflow, SQL ...
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United States , Annapolis Junction
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2HB
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Mid-Level Software Engineer
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Mid-Level Software Engineer needed in Annapolis Junction to build interactive UI components for a mission-focused enterprise web app in a Linux environment. You’ll collaborate with Product Owners and System Engineers, leveraging experience with Django, Docker, and CI/CD tools. Requires a Master’s...
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United States , Annapolis Junction
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2HB
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Mid-Level Software Engineer - Unmanned Systems
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Join Arcfield as a Mid-Level Software Engineer in Middletown, RI, supporting unmanned vehicle software for the Naval Undersea Warfare Center. Utilize your expertise in C++/Java within Linux environments, following agile SDLC and CI/CD processes. This role offers flexible telework, comprehensive b...
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United States , Middletown
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72826.14 - 126630.53 USD / Year
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Arcfield
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Mid-Level Software Engineer
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Join our team as a Mid-Level Software Engineer in Annapolis Junction. Develop and enhance complex software systems, including real-time platforms and large-data analytics. This role requires a Bachelor's degree and 14 years of SWE experience on similar projects. Utilize modern methodologies to so...
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United States , Annapolis Junction
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2HB
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Mid-Level Software Engineer
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Join a leading FinTech firm in London as a Mid-Level Software Engineer. Develop and scale critical, revenue-impacting platforms using Java. Collaborate with trading and product teams to deliver high-performance solutions. This role offers significant responsibility and impact within a dynamic env...
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United Kingdom , London
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Hunter Bond
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Mid-Level C# Software Engineer
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Join a computational design team in Minneapolis as a Mid-Level C# Engineer. Develop a major plugin for a 3D modeling platform, manipulating geometry and building automation tools. Requires 3-5 years of C# expertise, Git, and experience in a 3D environment. Ideal for a collaborative developer inte...
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United States , Minneapolis
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40.00 - 60.00 USD / Hour
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Solutia Consulting
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Mid-level Software Engineer
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Join 2HB Incorporated as a Mid-level Software Engineer supporting a government customer in Annapolis Junction, MD. This role requires a Master's/Bachelor's in CS with 3-5+ years of experience in Linux, Python, Bash, RabbitMQ, and MongoDB. Develop and sustain critical software applications like DI...
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United States , Annapolis Junction
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2HB
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Mid-level Software Engineer
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Seeking a Mid-level Software Engineer in Annapolis Junction to develop and enhance complex, diverse software systems. This role requires a TS/SCI/Full Scope Polygraph and 14 years of SWE experience. You will work on processing-intensive analytics, large data sets, and real-time systems within a c...
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United States , Annapolis Junction
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2HB
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About the Mid Software Engineer role

Mid Software Engineer jobs represent a pivotal and dynamic career stage for technology professionals. These roles are designed for developers who have moved beyond foundational junior levels and are now expected to contribute with significant autonomy, technical depth, and growing leadership. A Mid Software Engineer is a core contributor, responsible for turning complex requirements into robust, scalable, and efficient software solutions. They operate at the heart of the development lifecycle, from design and implementation to testing, deployment, and iterative improvement.

Professionals in these jobs typically engage in a broad range of responsibilities that define modern software development. A core duty is writing clean, well-documented, and production-ready code, often taking ownership of features or entire modules. They collaborate closely within cross-functional teams, including product managers, designers, and other engineers, to translate product vision into technical reality. Beyond pure coding, Mid-level Engineers are heavily involved in system design discussions, code reviews to uphold quality and security standards, and troubleshooting complex technical issues. They also begin to mentor more junior team members, sharing knowledge and fostering team growth. A key aspect of the role is balancing immediate feature development with long-term code health, advocating for best practices, refactoring, and ensuring the system's architecture can scale effectively.

The typical skill set for these jobs is both deep and broad. Technically, employers seek several years of hands-on experience across the full software development lifecycle. Proficiency in one or more core programming languages (such as Python, JavaScript, Java, or C#) is essential, along with experience with relevant frameworks, libraries, and tools. Strong understanding of data structures, algorithms, and system design principles is expected. Practical experience with version control systems like Git, relational or non-relational databases, and often cloud services (AWS, Azure, GCP) is common. Crucially, soft skills are equally important: excellent problem-solving abilities, clear written and verbal communication for articulating technical decisions, and a collaborative mindset are fundamental requirements. The ability to quickly learn new technologies, adapt to legacy and modern codebases, and take ownership of projects from conception to delivery distinguishes successful candidates.

Ultimately, Mid Software Engineer jobs offer a challenging and rewarding opportunity to have a substantial impact on products and systems. It is a role that blends deep technical execution with emerging leadership, setting the stage for advancement into senior or specialized positions. For developers passionate about building impactful software and elevating their craft within a team environment, pursuing mid-level roles is a critical and exciting career step.