Mid Frontend Engineer Jobs

New

Mid-level Fullstack Engineer

We are looking for highly talented and driven software engineers who take pride ...

Location

United States , New York

Salary:

140000.00 USD / Year

AlphaSights

Expiration Date

Until further notice

Requirements

Degree in a STEM subject (or equivalent experience)
Experience working at a similar level in a mature Engineering team
Technical expertise with at least one popular backend language (ideally Java or Kotlin)
Experience with ElasticSearch
Familiarity with frontend frameworks such as React
Proven track record of demonstrable impact
Highly driven and proactive
Meticulous with high standards and obsessive attention to detail

Job Responsibility

Design solutions and contribute to architectural vision
Ship working code primarily with React, Kotlin microservices, Postgres, and Ruby on Rails
Deploy and iterate using CI/CD tools like CircleCI and Spinnaker
Build competency and use L&D budget for technical development
Maintenance and troubleshooting of services

What we offer

Potential for bonus

Fulltime

New

Mid-level Backend Engineer

We are looking for highly talented and driven software engineers who take pride ...

Location

United Kingdom , London

Salary:

Not provided

AlphaSights

Expiration Date

Until further notice

Requirements

Degree in a STEM subject (or alternative route)
3+ years of experience working at a similar level in a mature Engineering team
Technical expertise with Java or Kotlin
Experience with relational databases
Proven track record of demonstrable impact in previous roles
Highly driven and proactive
Meticulous with high standards and obsessive attention to detail

Job Responsibility

Design solutions and contribute to architectural vision
Ship working code primarily with React on frontend and Kotlin microservices with Postgres on backend
Deploy and iterate using CircleCI and Spinnaker for CI/CD
Build competency and learn quickly
Maintenance and troubleshooting of services

What we offer

L&D budget to fast-track development of specific technical competencies

Fulltime

New

Mid-level Backend Engineer

We are looking for highly talented and driven Backend Software Engineers who tak...

Location

Portugal

Salary:

Not provided

AlphaSights

Expiration Date

Until further notice

Requirements

Degree in a STEM subject (or equivalent experience)
3+ years of experience working at a similar level in a mature Engineering team
Technical expertise with at least one programming language (Kotlin, Ruby)
Experience with relational databases
Proven track record of demonstrable impact in previous roles
Highly driven and proactive
Meticulous with high standards and obsessive attention to detail

Job Responsibility

Design solutions to business problems and contribute to architectural vision
Ship working code (React frontend, Kotlin microservices with Postgres backend, some Ruby on Rails)
Deploy and iterate frequently
Build competency and use L&D budget for technical development
Maintenance and troubleshooting of services

Fulltime

PHP/Kotlin Backend Engineer - Roaming

Monta is looking for a PHP/Kotlin Backend Engineer to build the robust, scalable...

Location

Germany , Berlin

Salary:

Not provided

Creandum

Expiration Date

Until further notice

Requirements

Mid-level or above Backend Experience: solid experience building scalable backend systems
Proficient in Kotlin (Micronaut) and PHP (Laravel), or strong experience in one with the ability to quickly master the other in a mixed environment
Experience working with OCPI (Open Charge Point Interface) and understand the complexities of the EV roaming ecosystem
Clear & pragmatic communicator who builds alignment fast
Authentic team player with empathy, openness, and ownership
Comfortable with AI-powered tools to accelerate your work (Claude, Gemini, Codex, etc.), with the willingness to learn more
Spoken and written English skills need to be proficient

Job Responsibility

Own the full lifecycle: Scope out requirements and plan new features in collaboration with the team, taking code from ideation to production
Cross-team execution: Work closely with Ops, Product, Frontend and other Backend teams to navigate ambiguity and ensure features integrate seamlessly
Ensure quality at speed: Perform automated validation and verification testing while supporting your teammates with thoughtful code reviews
Monitor and Maintain: Utilize tools like Grafana and Loki to monitor system health, ensuring reliability for the drivers who depend on us
Own outcomes in a high-trust environment where we value execution over perfection
Navigate ambiguity and shifting priorities — keeping momentum when it matters most
Celebrate wins and learn fast from misses alongside an ambitious, diverse team
Push boundaries with courage and resilience while staying true to our DNA

What we offer

A yearly education budget and extra days off to use it
A friendly and social company culture with movie nights, Friday bars, pub crawls, and more
Free lunch every day
Pension & health coverage to keep you secure for today and tomorrow
Paid parental leave to support life’s big moments
Warrants program - be part of our growth story
Flexible working hours
A one month electric vehicle introduction program (plus access to a shared company EV)

Fulltime

Staff Engineer

EnergyHub (part of Alarm.com) is looking to hire a Staff Engineer to join the Gr...

Location

Poland , Krakow

Salary:

Not provided

EnergyHub

Expiration Date

Until further notice

Requirements

8+ years of professional software engineering experience, with a proven track record of delivering complex, high-impact systems in production
Deep expertise with Java (preferably Java 11+), Spring Framework (Spring Boot), and relational/non-relational databases
Advanced understanding of microservices architecture design, distributed systems principles, and interoperability patterns
Strong experience designing and evolving client-facing APIs and contracts with developer usability in mind
Demonstrated ability to work across organizational boundaries, influence technical direction, and align diverse teams on strategic decisions
Proven mentorship ability—cultivating technical growth in other engineers, guiding system design discussions, and improving organizational engineering practices
Exceptional communication and collaboration skills, especially in complex cross-functional initiatives

Job Responsibility

Own and evolve architecture — Define, document, and socialize platform-wide architectural decisions for backend services and API contracts using Java (Spring Boot) and complementary technologies
Technical leadership across teams — Partner with engineering leads on multiple teams to ensure scalable, secure, and performant service designs
Hands-on development — Design and implement critical backend and frontend components, leveraging Java, React, scripting (Python3), and strong data modeling
Mentorship & guidance — Coach senior and mid-level engineers, elevate code quality through reviews, and instill best practices for design, testing, and deployment
Complex problem-solving — Anticipate and resolve systemic challenges affecting resilience, observability, and engineering velocity
Platform ecosystem design — Create tools, libraries, and patterns that improve service reliability and development efficiency organization-wide
Cross-functional collaboration — Work closely with Product Managers and other stakeholder groups to balance technical vision with product goals and delivery timelines
Operational excellence — Champion CI/CD improvements, automated testing strategies (unit/integration/e2e), and best-in-class monitoring and alerting
Technology stewardship — Stay on top of emerging technologies and patterns, advocating for those that advance scalability, performance, and maintainability

What we offer

Long-term employment based on a permanent employment contract (CoE)
Attractive benefits package: including medical care, life insurance, sports package, annual budget for professional development ($2,000)

Fulltime

Senior Software Engineer, Front End

As a Senior Software Engineer, Front End at Kiddom, you will help design and del...

Location

United States , San Francisco Or New York

Salary:

150000.00 - 200000.00 USD / Year

Kiddom

Expiration Date

Until further notice

Requirements

5–8+ years of professional software engineering experience, with significant emphasis on modern front-end development
Strong proficiency with React (or similar frameworks such as Vue or Angular) and the surrounding ecosystem (state management, routing, build tools)
Solid understanding of frontend performance, responsive UI development, and accessibility best practices
Ability to design modular, scalable solutions that support long-term product evolution
Familiarity with backend fundamentals (REST APIs, microservices, data modeling) and experience collaborating closely with backend teams
Experience with cloud-based infrastructure (AWS, GCP, or similar)
Strong communication skills and the ability to collaborate across design, product, and engineering
Passion for building products that improve the lives of teachers and students

Job Responsibility

Lead the implementation of major product features and frontend initiatives across our web apps
Contribute to the evolution of Kiddom’s frontend architecture, focusing on performance, reliability, accessibility, and long-term maintainability
Collaborate deeply with designers and product managers to translate requirements into elegant user experiences
Partner with backend engineers to shape APIs, data models, and integration patterns for scalable front-end development
Participate in design reviews, code reviews, and architectural discussions
Mentor and support junior and mid-level engineers, fostering a culture of quality and continuous improvement
Identify technical debt and propose pragmatic solutions that align with product needs
Help drive improvements in testing, tooling, CI/CD, and overall developer experience

What we offer

Competitive salary
Meaningful equity
Health insurance benefits: medical (various PPO/HMO/HSA plans), dental, vision, disability and life insurance
One Medical membership (in participating locations)
Flexible vacation time policy (subject to internal approval). Average use 4 weeks off per year
10 paid sick days per year (pro rated depending on start date)
Paid holidays
Paid bereavement leave
Paid family leave after birth/adoption. Minimum of 16 paid weeks for birthing parents, 10 weeks for caretaker parents. Meant to supplement benefits offered by State
Commuter and FSA plans

Fulltime

Software Engineer

You will be responsible for designing, building, deploying, and maintaining fron...

Location

Poland , Warsaw

Salary:

Not provided

CyberVadis

Expiration Date

Until further notice

Requirements

Excellent communication and teamwork skills
Ability to learn new technologies quickly
Bachelor's degree in Computer Science, or equivalent practical experience
Strong understanding of industry standards like git, SQL, Agile, unit testing, etc.
For Senior Level: 8+ years of experience in full-stack development
Proficiency in frontend development with TypeScript and Angular
Experience with REST API design and development
Experience with cloud platforms, preferably Azure
Strong understanding of software architecture and design patterns
For Regular Level: 3+ years of experience in full-stack development

Job Responsibility

Design, build, deploy, and maintain frontend applications, cloud-based microservices and APIs
Have full ownership of the platform, making decisions concerning architecture, tooling, and processes
Follow best practices such as Clean Architecture, DDD, and TDD principles within an agile environment
For Senior Level: Lead the design and implementation of scalable and robust full-stack solutions
Develop and maintain frontend (TypeScript/Angular) with a possibility to contribute also to backend (.NET/F#) components and APIs
Make architectural decisions and contribute to our technical roadmap
Mentor junior and mid-level engineers
Champion best practices in software development, e.g. functional programming, TDD, CI/CD and similar
Identify and resolve complex technical challenges
For Regular Level: Develop and maintain user-facing features and backend services (TypeScript/Angular, .NET/F#)

What we offer

Competitive salary and benefits package
Remote work options and flexible working hours
Actual impact on the choice and shape of solutions developed
Modern and well-maintained tech stack (latest LTS of Angular, .NET)
Opportunities for professional growth and development
Training and conference budget
A collaborative, innovative work environment with an iterative agile approach

Fulltime

New

Portuguese instructor

Join our unique team of language instructors and become the next member of the B...

Location

France , Rennes

Salary:

12.64 EUR / Hour

Babylangues

Expiration Date

Until further notice

Requirements

Energetic and creative personality
Some childcare experience (babysitting, tutoring, etc.)
Native or strong proficiency in the language

What we offer

Paid leave: 1.26€ /h

Parttime

Mid Frontend Engineer

AUTO1 Group

Location:
Spain , Madrid

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
December 22, 2025

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Location:Spain , Madrid

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Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:December 22, 2025

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