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Mid Level Developer Jobs in Connecticut (NOW HIRING)

H&H

Mid-Level Structural Engineer

New Haven, CT · On-site

We are offering an exciting opportunity for a Mid-level Structural Engineer in our New Haven, CT, Office. H&H is a nationally recognized, full-service infrastructure engineering firm delivering ...

H&H

Mid-Level Structural Engineer

New Haven, CT · On-site

We are offering an exciting opportunity for a Mid-level Structural Engineer in our New Haven, CT, Office. H&H is a nationally recognized, full-service infrastructure engineering firm delivering ...

H&H

Mid-Level Structural Engineer

New Haven, CT · On-site

We are offering an exciting opportunity for a Mid-level Structural Engineer in our New Haven, CT, Office. H&H is a nationally recognized, full-service infrastructure engineering firm delivering ...

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All JobsMid Level Developer JobsMid Level Developer Jobs in Connecticut

Mid Level Developer information

See Connecticut salary details

$10.5K

$82.4K

$107.5K

How much do mid level developer jobs pay per year?

As of Jun 17, 2026, the average yearly pay for mid level developer in Connecticut is $82,444.00, according to ZipRecruiter salary data. Most workers in this role earn between $57,100.00 and $102,300.00 per year, depending on experience, location, and employer.

What is a mid-level developer?

A mid-level developer is a software professional with several years of experience who can independently handle projects, write clean code, and troubleshoot issues. They typically have a solid understanding of programming languages, development tools, and may mentor junior team members. This role often requires familiarity with version control systems and software development methodologies.

What engineers make $500,000?

Senior software engineers, especially those with expertise in high-demand areas like machine learning, cloud computing, or fintech, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and working at large tech companies or startups with significant funding.

What are Mid Level Developers?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

What is the difference between Mid Level Developer vs Junior Developer?

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

What jobs in the US pay 300,000 a year?

Mid-level developers typically do not earn $300,000 annually; such high salaries are usually associated with senior roles like software architects, engineering managers, or specialized positions in finance, law, or executive leadership. Achieving this level often requires extensive experience, advanced skills, and sometimes working in high-paying industries or companies with performance-based bonuses.

What are the key skills and qualifications needed to thrive as a Mid Level Developer, and why are they important?

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a Mid Level Developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.

What is L1, L2, L3, and L4 developer?

In the context of a mid-level developer role, L1, L2, L3, and L4 typically refer to different levels of seniority or expertise within an organization, with L1 being entry-level and L4 representing senior or lead developers. These levels often correspond to increasing skills, responsibilities, and experience, and may influence salary, project scope, and expectations. Organizations may define these levels differently, but they generally help structure career progression and role expectations for developers.
What are the most commonly searched types of Developer jobs in Connecticut? The most popular types of Developer jobs in Connecticut are:
What are popular job titles related to Mid Level Developer jobs in Connecticut? For Mid Level Developer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Mid Level Developer jobs in Connecticut look for? The top searched job categories for Mid Level Developer jobs in Connecticut are:
What cities in Connecticut are hiring for Mid Level Developer jobs? Cities in Connecticut with the most Mid Level Developer job openings:
Mid Level Developer jobs near you
Infographic showing various Mid Level Developer job openings in Connecticut as of June 2026, with employment types broken down into 1% As Needed, 96% Full Time, 2% Part Time, and 1% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $82,444 per year, or $39.6 per hour.

Mid Level Environmental Engineer

Groundwater and Environmental Svcs.

Cromwell, CT • On-site

$72K - $77K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 9 days ago

Be an early applicant

Job description

Groundwater & Environmental Services, Inc. (GES), an industry leader with a reputation for excellence in providing environmental consulting, engineering, compliance, and technical field services to clients in diverse market sectors, seeks a Junior to Mid-level. Engineer. This is a position for a detail-oriented, team player with strong communication, analytical, organizational, problem solving, and time management skills. The position will report to a Principal Engineer, and work under the supervision and mentorship of other engineers, project professionals, and field technicians in a collaborative and safety conscience environment. The selected candidate will be integrated into our Northeast Region engineering team working across multiple states in New York and New England. Candidate will work out of the Cromwell CT office.


Duties and Responsibilities:

  • Perform groundwater and vapor treatment system engineering calculations
  • Perform remediation system and laboratory data tabulation, evaluation, and report preparation
  • Completion of materials/equipment/supplies specification and procurement
  • Subcontractor scope of work development, coordination, and contracting
  • Assist with cost estimates and support proposal efforts
  • Preparation of remedial action plans, pilot test workplans, site conceptual model development
  • Preparation of permit applications and compliance reports
  • Coordination directly with subcontractors, vendors, and laboratories
  • Coordinate field tasks associated with operation and maintenance (O&M) of remediation systems (e.g., data collection, system sampling, system cleaning, carbon replacement, etc.), system installation, excavation projects, and remedial injections
  • Perform field work including remedial system O&M, pilot testing, remedial in-situ injections, groundwater sampling, collecting environmental and permit compliance samples, soil excavation, contractor oversight for trenching, piping & system installation
  • Perform other related duties as assigned
  • Travel within the Northeast region to perform field work as necessary
  • Coordinate, participate in, and complete Health and Safety related field observations and documentation


Skills & Requirements:

  • A Bachelor's degree or higher in Engineering (Environmental, Chemical, Civil)
  • 3-5 years of related environmental consulting experience
  • Must be resourceful with excellent communication and writing skills and possess a high degree of initiative and time management skills
  • Engineer-in-Training (E.I.T.) certification or Professional Engineer registration is a plus
  • Stormwater or civil engineering experience is a plus
  • Mechanical aptitude and experience with basic hand tools is a plus
  • Field work requires wearing personal protection equipment and working outdoors in all seasons


Our comprehensive benefits program includes: Hybrid workforce, medical, dental, vision, prescription, 401k, FSA, STD, LTD, New Parent Leave, 529 CollegeBound Fund, Tuition Assistance, Bonus Plan, and more.

Groundwater & Environmental Services, Inc. (GES) believes that diversity and inclusion among our staff is critical to our success, and we seek to recruit, develop and retain the most talented people from a diverse candidate pool. At GES, we are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and employees without regard to race, color, religion, gender, pregnancy, national origin, age, disability, marital status, sexual orientation, gender identity or expression, military and veteran status, and any other characteristic protected by law.