1

Senior Software Engineer Jobs in Concord, NH (NOW HIRING)

Senior Staff Software Engineer

Nashua, NH · On-site

$124K - $163K/yr

What You Will Do As a Senior Staff Engineer, you will be a technical leader responsible for shaping ... Bachelor's degree in Computer Science, or equivalent practical experience. * 10+ years of software ...

As a Software Engineer, you will collaborate with scientists to develop robust front-end and back-end software that interfaces with advanced scientific instruments. The role requires designing ...

Job brief We are seeking a Software Engineer to execute the full lifecycle of the product development, by programming well-designed, efficient, and testable code that meets specifications.

Eng Sr - SW

Merrimack, NH · On-site

$125K - $165K/yr

We need your talents and experience as a Senior Software Engineer on our Space Systems team. You will join a team of engineers on a program that provides customers with scalable data processing ...

Software Engineer - High Speed Cables Location: Nashua, NH Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market ...

Software Engineer - High Speed Cables Location:Nashua, NH Amphenol High Speed Products Group is the market leader for high speed, high bandwidth electrical connectors for the Telecom/Datacom market ...

Eng Sr - SW

Merrimack, NH · On-site

$125K - $165K/yr

We need your talents and experience as a Senior Software Engineer on our Space Systems team. You will join a team of engineers on a program that provides customers with scalable data processing ...

Arista BIOS software engineers are also responsible for low level software driving the CPU subsystems on all Arista products. You will evaluate new CPUs and work with CPU vendors and BIOS vendors to ...

Arista BIOS software engineers are also responsible for low level software driving the CPU subsystems on all Arista products. You will evaluate new CPUs and work with CPU vendors and BIOS vendors to ...

Showing results 21-40

Senior Software Engineer information

See Concord, NH salary details

$76K

$144.2K

$193.3K

How much do senior software engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for senior software engineer in Concord, NH is $144,234.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,300.00 and $162,600.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are the key skills and qualifications needed to thrive as a senior software engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

What is the difference between Senior Software Engineer vs Software Developer?

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What are the most commonly searched types of Software Engineer jobs in Concord, NH?

The most popular types of Software Engineer jobs in Concord, NH are:

What are popular job titles related to Senior Software Engineer jobs in Concord, NH?

For Senior Software Engineer jobs in Concord, NH, the most frequently searched job titles are:

What cities near Concord, NH are hiring for Senior Software Engineer jobs?

Cities near Concord, NH with the most Senior Software Engineer job openings:

Infographic showing various Senior Software Engineer job openings in Concord, NH as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $144,234 per year, or $69.3 per hour.

Senior Staff Software Engineer

Optimizely

Nashua, NH • On-site

$124K - $163K/yr

Full-time

Re-posted 16 days ago


Job description

We're not here to add to the noise. We're here to cut through it- with AI that actually works for marketers.
 
From AI-powered content creation to world-class CMS and the industry's most trusted experimentation platform, Optimizely is the tool modern marketers actually want to use. AI-Ready. Set. Go.
 
10,000+ brands including H&M, PayPal, and Zoom already get it. So do Gartner, Forrester, and IDC, who consistently recognize us as leaders in MarTech.
 
But here's the thing about building great products: it takes great people. Our 1,600+ Optimizers across 12 global offices are curious, collaborative, and refreshingly human. We don't do corporate speak. We do real conversations, big ideas, and genuinely care for the work we make together.
 
If you want to be part of a team that's shaping the future of marketing technology - and actually enjoys doing it - you're in the right place.
Find us on Instagram: @optimizely
Introduction

Optimizely Analytics is the industry leading warehouse native analytics platform. We are used by Canva, Grammarly, Capital One, and many more to unlock data-driven decisions for experiment analysis, product analytics, sales analytics and beyond. You will work in a small, nimble team. Our team prides itself on shipping with speed and having our engineers be make product and design decisions with ownership and autonomy. As the newest addition to the Optimizely product portfolio, with a rapidly growing customer base there is tremendous opportunity to work on exciting and impact areas of the product.

What You Will Do

As a Senior Staff Engineer, you will be a technical leader responsible for shaping the foundation of Optimizely Analytics' core platform - including the query compilation engine and our custom DSL, NetScript - and scaling these systems to meet the needs of our rapidly growing customer base.

Job Responsibilities
  • Own and evolve the architecture of Optimizely Analytics' query compilation engine and NetScript DSL, ensuring they scale reliably and securely across diverse warehouse environments.
  • Drive technical excellence across the engineering organization by setting standards for code quality, query performance, system design, observability, and operational best practices.
  • Collaborate closely with Product, UX, and Application Engineering teams to deliver impactful features while ensuring architectural soundness and scalability.
  • Mentor and guide senior and mid-level engineers, fostering technical growth and elevating the overall team's capabilities.
  • Anticipate and address complex system challenges such as query optimization, SQL compilation, fault tolerance, and data-intensive analytical workloads.
  • Influence product and platform direction, leveraging deep technical insight in analytics and query languages to shape roadmap decisions and ensure backend systems align with long-term business strategy.
Knowledge and Experience
  • Bachelor's degree in Computer Science, or equivalent practical experience.
  • 10+ years of software development experience with strong foundations in data structures, algorithms, and distributed systems.
  • 7+ years of backend experience building, deploying, and operating large-scale distributed systems in production.
  • Deep expertise in system design, API design, scalability, and performance tuning, with strong SQL proficiency and an understanding of analytical query patterns.
  • Proficiency in at least one modern backend programming language (Java preferred).
  • Hands-on experience with cloud-native architectures, containerization, orchestration, and CI/CD pipelines.
  • Experience with query engines, compilers, interpreters, or domain-specific language (DSL) design.
  • Prior experience as a staff or principal engineer, driving large cross-functional initiatives to completion with org-wide technical influence.
  • Experience building enterprise-grade analytics infrastructure or data platforms that handle high-volume, low-latency analytical workloads.
  • Proven ability to influence architecture and technical strategy across multiple teams.
  • A track record of mentoring engineers and scaling engineering organizations.
  • Familiarity with warehouse-native architectures (Snowflake, BigQuery, Redshift, Databricks) and advanced SQL optimization techniques.
  • Passion for working in fast-paced environments where you wear multiple hats and influence both product and technology.

We Would Love to See

  • Prior experience as a staff or principal engineer, driving large cross-functional initiatives to completion with org-wide technical influence.
  • Experience building enterprise-grade analytics infrastructure or data platforms that handle high-volume, low-latency analytical workloads.
  • Proven ability to influence architecture and technical strategy across multiple teams.
  • A track record of mentoring engineers and scaling engineering organizations.
  • Familiarity with warehouse-native architectures (Snowflake, BigQuery, Redshift, Databricks) and advanced SQL optimization techniques.
  • Passion for working in fast-paced environments where you wear multiple hats and influence both product and technology.
Education

Bachelor's Degree (Computer Science or engineering preferred) or equivalent work experience

Optimizely is committed to a diverse and inclusive workplace. Optimizely is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Total Target Compensation range: $174,000-$295,000

Optimizely considers several factors when extending an offer, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills.

#LI-JS1