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Mobile Developer

Mobile Developer

Software Engineer Mobile Charging XP

Electra

Paris

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Role description

🏠 What Do We Do?
The shift to electric mobility is happening. Electra is accelerating it.
Transportation is one of Europe's biggest sources of carbon emissions. Since 2021, Electra exists to make charging so simple that electric vehicles become the obvious choice for everyone.

In 5 years, we've built a team of 300+ talents from 21 nationalities in 10 countries.

We’ve grown into one of Europe's leading fast-charging operators by deploying fast, reliable infrastructure and user experiences across our own network, and we’re now expanding to thousands more charging points in Europe with our own eMSP.

Backed by over €1 billion in funding, we’re looking for bold, passionate, collaborative talents to drive Europe’s energy transition.

If that sounds exciting, we’d love to hear from you!

đŸ’Œ Your Mission
Join Electra's Charge XP team in Paris and help build the mobile apps that hundreds of thousands of drivers use every month to find, start, and pay for a charge. The team owns Electra's end-to-end charging experience as an eMSP: not just on our own stations, but across partner networks in Europe. Our mission: become a leading mobility player where our network is locally strong by 2027.

đŸŠžâ€â™€ïžđŸŠžâ€â™‚ïž Your Responsibilities

  • Build and ship the core mobile experience
  • Design, ship, and maintain features in our cross-platform mobile app used at real scale: map and search, station discovery, charge start and monitoring, payment, badges, and support flows.
  • Care for the details that make an app feel excellent: navigation, transitions, error handling, latency, offline behavior. Because look and feel is what drives adoption against competition.
  • Own driver-facing problems end to end
  • Take features from discovery through rollout: seamless charging (Autocharge, RFID badges), station scoring and recommendation, search revamp, in-car and CarPlay experiences.
  • Follow through after release: instrument what you ship, read the store reviews and Intercom tickets, and iterate. Our compass is end-to-end successful session rate and post-charge CSAT.
  • Raise the engineering bar for a fast-growing app
  • Simplify architecture, pay down debt, and strengthen the design system so the team can move fast without breaking the charge.
  • Mentor peers while staying hands-on as an individual contributor, and use modern engineering practices and AI tooling responsibly to accelerate delivery while protecting quality, privacy, and maintainability.

😎 Your Profile

  • You are an experienced hands-on mobile engineer with a strong track record shipping and operating consumer apps in production at meaningful scale.
  • You enjoy owning a feature beyond the client: talking to backend and product, understanding the API, instrumenting the funnel, and debugging what happens in the physical world.
  • You bring strong technical judgment, ownership, product sense, and attention to UX quality, performance, reliability, edge cases, and real-world failure modes.
  • You are a fast learner, comfortable entering a complex domain (charging protocols, roaming, payments) and collaborating closely with product, design, operations, and customer care.
  • Experience with Kotlin or React Native, native iOS/Android, app store release management, observability.
  • AI-assisted engineering is a requirement.
  • This role is based in Paris.

âšĄïž What Electra Offers You

  • A key role in a massive international rollout of Europe’s largest fast-charging network
  • Opportunities to grow across engineering, operations, and strategy
  • A collaborative and mission-driven environment
  • Real impact on the energy transition and the future of mobility
  • An attractive compensation package with fixed and variable components (evaluated and paid quarterly)
  • Spacious offices, ideally located in Paris
  • 2 days of remote work per week
  • Alan health insurance (50% covered by Electra)
  • Meal vouchers via Swile card (€10/day, 50% covered by Electra)
  • 25 paid vacation days + 12 RTT (reduction of working time) days
  • SYNTEC collective agreement (including vacation bonus, additional leave for special occasions, etc.)
  • A quarterly company-wide event with the entire Electra team
  • Sustainable Mobility Package
  • Access to the company benefits platform (CSE) with numerous perks (culture, sports, etc.)
  • Access to a platform dedicated to mental health, supporting your well-being at work and beyond, including up to 4 sessions per year with certified practitioners, covered by Electra

Even if your profile doesn't match 100% of every criterion, we encourage you to apply. At Electra, we strive to create an environment where everyone feels comfortable, safe, and free to be themselves.

We are committed to equal opportunities and do not tolerate any discrimination based on religion, cultural background, nationality, gender, sexual orientation, age, or disability.

💚 We value potential, motivation, and a learning mindset just as much as experience. 🚀

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

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Mobile Developer

Tech lead - C++ / Qt (H/F) – CDI

ALTEN

Boulogne-Billancourt

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Role description

À propos d’ALTEN

ALTEN est un leader mondial de l’IngĂ©nierie et du Conseil en Technologies. PrĂ©sent dans plus de 30 pays, le groupe accompagne les grandes entreprises dans leurs projets de transformation technologique et d’innovation.

Au sein de la division ALTEN IT, nous intervenons sur des projets Ă  forte valeur ajoutĂ©e autour des infrastructures, du cloud, de la cybersĂ©curitĂ©, du digital workplace et des environnements critiques. Rejoindre ALTEN, c’est Ă©voluer dans un environnement international, stimulant et orientĂ© expertise.

Description du poste

Contexte

Dans le cadre du dĂ©veloppement de solutions logicielles Ă  forte valeur ajoutĂ©e, nous recherchons un(e) DĂ©veloppeur(se) C++ / Qt afin d’intervenir sur des projets innovants dans un environnement technique exigeant et international.

Vous participerez au dĂ©veloppement d’applications critiques et d’interfaces graphiques performantes, au sein d’équipes Agile composĂ©es d’experts software, architecture et validation.

Vos missions

Développement logiciel C++ / Qt

  • Participer Ă  la conception et au dĂ©veloppement d’applications en C++
  • DĂ©velopper et maintenir des interfaces graphiques avec le framework Qt
  • Concevoir des composants logiciels robustes, performants et maintenables
  • Participer Ă  l’évolution des architectures logicielles
  • RĂ©aliser les dĂ©veloppements dans le respect des standards de qualitĂ© et de sĂ©curitĂ©

Analyse technique et conception

  • Participer aux phases d’analyse des besoins fonctionnels et techniques
  • RĂ©diger les spĂ©cifications techniques et la documentation associĂ©e
  • Concevoir des solutions adaptĂ©es aux contraintes de performance et de fiabilitĂ©
  • Participer aux revues de code et aux choix techniques

Qualité logicielle et tests

  • RĂ©aliser les tests unitaires et tests d’intĂ©gration
  • Participer Ă  la correction des anomalies et Ă  l’amĂ©lioration continue du logiciel
  • Contribuer Ă  l’automatisation des tests et des processus de build
  • Garantir la qualitĂ©, la stabilitĂ© et les performances des applications

Collaboration et méthodologie Agile

  • Travailler en collaboration avec les Ă©quipes produit, validation et architecture
  • Participer aux cĂ©rĂ©monies Agile (daily meetings, sprint planning, reviews)
  • Assurer le suivi des dĂ©veloppements et le reporting technique
  • Participer Ă  la veille technologique autour des technologies C++ et Qt

Environnement technique

  • C++
  • Qt / QML
  • STL
  • Linux / Windows
  • Git
  • CMake
  • Jenkins / CI-CD
  • UML
  • MĂ©thodologies Agile / Scrum

Qualifications

Profil recherché

  • Minimum 7 ans d’expĂ©rience en dĂ©veloppement C++
  • Bonne maĂźtrise du framework Qt
  • Solides compĂ©tences en dĂ©veloppement orientĂ© objet
  • Connaissances des environnements Linux et/ou Windows
  • ExpĂ©rience sur des projets complexes ou critiques apprĂ©ciĂ©e
  • Anglais professionnel indispensable dans un contexte international
  • DiplĂŽme Bac +5 ou diplĂŽme d’IngĂ©nieur en informatique
  • CapacitĂ© d’analyse, rigueur et esprit d’équipe

Informations supplémentaires

Informations complémentaires

  • Type de contrat : CDI
  • Localisation : Île de france
  • DĂ©marrage : ASAP
  • RĂ©munĂ©ration : Selon profil et expĂ©rience

Vous souhaitez Ă©voluer sur des projets techniques stimulants autour du dĂ©veloppement logiciel C++ / Qt au sein d’un environnement international ? Rejoignez ALTEN IT !

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Mobile Developer

Apprenti Développeur Informatique Technique - (F/H)

Thales

Villebon-sur-Yvette

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Role description

Lieu : Villebon-sur-Yvette, France

Construisons ensemble un avenir de confiance
Thales est un leader mondial des hautes technologies spĂ©cialisĂ© dans trois secteurs d’activitĂ© : DĂ©fense & SĂ©curitĂ©, AĂ©ronautique & Spatial, et Cyber & Digital. Il dĂ©veloppe des produits et solutions qui contribuent Ă  un monde plus sĂ»r, plus respectueux de l’environnement et plus inclusif. Le Groupe investit prĂšs de 4,5 milliards d’euros par an en Recherche & DĂ©veloppement, notamment dans des domaines clĂ©s de l’innovation tels que l’IA, la cybersĂ©curitĂ©, le quantique, les technologies du cloud et la 6G. Thales compte prĂšs de 85 000 collaborateurs dans 65 pays.

Nos engagements, vos avantages

  • Notre savoir-faire technologique
  • Notre attention portĂ©e Ă  l’équilibre des collaborateurs
  • Un environnement inclusif et bienveillant
  • Un engagement sociĂ©tal et environnemental reconnu (Thales Solidarity, indice CAC 40 ESG
)

Votre quotidien
Avec ses 2 sites, en France (aux environs de Paris) et en Allemagne (Ulm) et ses bureaux de ventes aux États-Unis et en Asie, United Monolithic Semiconductors (UMS), filiale de Airbus et Thales, conçoit, fabrique et commercialise des produits et des solutions de pointe basĂ©s sur des circuits microondes et Radio FrĂ©quences pour la dĂ©fense et la sĂ©curitĂ©, l'espace, les tĂ©lĂ©communications, l'automobile et l’industrie (capteurs et instrumentation mĂ©dicale et de test). Au service de clients trĂšs exigeants dans le monde entier, UMS est dĂ©finitivement reconnue dans l'industrie des semi-conducteurs pour son excellence technologique, ses normes Ă©levĂ©es de qualitĂ©, son offre complĂšte de produits et de solutions basĂ©es sur les technologies GaAs, GaN et SiGe et sa participation active Ă  de nombreux dĂ©veloppements innovants et collaboratifs europĂ©ens. Forte de 430 collaborateurs trĂšs motivĂ©s qui sont Ă  l’origine de son succĂšs permanent, UMS a Ă  cƓur d’attirer et de rĂ©vĂ©ler les meilleurs talents. Si vous ĂȘtes motivĂ©(e) pour travailler dans un environnement international et dynamique, pour contribuer par vos talents et votre passion Ă  trouver des solutions innovantes pour des clients du monde entier, et si vous ĂȘtes Ă  la recherche de dĂ©fis et d'opportunitĂ©s sans cesse renouvelĂ©s pour vous dĂ©velopper : rejoignez-nous et construisez votre avenir avec UMS !

Nous recherchons pour notre établissement de Villebon-sur-Yvette (RER - Massy-Palaiseau) un(e) :

Apprenti Développeur informatique Technique (H/F)

QUI ETES-VOUS ?
Vous préparez un diplÎme en informatique sur 3 ans (BUT ou école d'ingénieurs) ?

Vous disposez d'une premiÚre expérience personnelle et/ou scolaire en développement informatique ?

Vous faites preuve d'un intĂ©rĂȘt marquĂ© pour le dĂ©veloppement logiciel et les nouvelles technologies ainsi que pour le domaine industriel ?

Vous ĂȘtes curieux, rigoureux et persĂ©vĂ©rant dans la recherche de problĂšme ?

Vous possédez :

  • Des Connaissances d'un ou plusieurs langages de programmation (C, C#, Python, Java, ...)
  • Des Outils de versioning
  • Des bases de donnĂ©es (SQL)

CE QUE NOUS POUVONS ACCOMPLIR ENSEMBLE :
RattachĂ© Ă  la Direction des OpĂ©rations et intĂ©grĂ©(e) dans l’équipe MĂ©thodes et Moyens de Tests, vous participerez et assurez la conception, le dĂ©veloppement et l’amĂ©lioration des applications internes.

EncadrĂ© par un tuteur technique, vous monterez en compĂ©tences sur l’ensemble du cycle de dĂ©veloppement logiciel, de l’analyse du besoin jusqu’aux tests et au dĂ©ploiement.

Vos principales missions seront :

  • Contribuer Ă  la crĂ©ation de nouvelles fonctionnalitĂ©s en respectant les bonnes pratiques de code,
  • Effectuer la maintenance Ă©volutive en participant Ă  la correction de bugs et Ă  l’amĂ©lioration continue des applications existantes,
  • RĂ©aliser l’analyse des besoins de la comprĂ©hension des demandes fonctionnelles Ă  la proposition de solutions techniques adaptĂ©es,
  • RĂ©diger et exĂ©cuter des tests unitaires et fonctionnels,
  • Prendre en charge la documentation technique afin de documenter le code, les procĂ©dures et les Ă©volutions,
  • Etablir une veille technologique afin de suivre les tendances du dĂ©veloppement pour proposer des amĂ©liorations pertinentes.

Thales, entreprise Handi-Engagée, reconnait tous les talents. La diversité est notre meilleur atout. Postulez et rejoignez nous !

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Mobile Developer

Senior Product Engineer - Android/Kotlin

Qonto

Paris

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Role description

Our mission and customers:
We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be
rated 4.8 on Trustpilot
,

based on 55,000+ reviews.
Our culture

puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75
(more about our culture
here
).

Our journey:
Founded in 2017 by
Alexandre
and
Steve
,
Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started.

Our beliefs:
We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are.
We've built a discrimination-free hiring process
because the best teams are built on merit.

AI at Qonto:
AI is deeply embedded in how we work (
here
)
-
Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it.

Location:
You can choose to work at Qonto as long as you're living in (or willing to relocate to) either Germany, France, Italy, Serbia, Portugal, or Spain.

âžĄïž Mission

Join us as an
Android Engineer
and help us build the mobile experience that
600,000+ European businesses
rely on every day to manage their finances. You'll own product-critical features end-to-end — from technical design to rollout — in a large, modular Kotlin codebase where craft and velocity both matter. You'll work closely with Product, Design, Backend, and Frontend.

âžĄïž What you'll do

  • Own features end-to-end: You'll take ownership from discovery and technical design through implementation, rollout, and iteration on features that help businesses pay, get paid, and stay in control.
  • Drive technical decisions in your squad: You'll shape solutions with Product, Design, and Backend by clarifying tradeoffs across UX, performance, security, and time-to-market.
  • Raise app reliability and maintainability: You'll improve architecture, performance, and test strategy to scale the app without compromising stability.
  • Tackle complex mobile challenges: You'll contribute to real-time synchronization, resilience patterns, and smooth navigation in a modular codebase with ~1,000 modules.
  • Grow the team's Android craft: You'll lead code reviews and technical discussions, share patterns, and mentor peers to raise the bar on quality and delivery.

âžĄïž What we're looking for

  • Strong Android native experience: You've shipped and maintained production features with Kotlin and are comfortable owning technical decisions end-to-end.
  • Quality-driven mindset: You care about testing (unit, UI, snapshot), clean code, and pragmatic standards that keep teams moving fast.
  • Problem-solving approach: You thrive in ambiguity and turn complex constraints into simple, robust solutions.
  • AI-native workflow: You use AI coding tools daily to amplify your output — not just experiment with them.
  • Collaborative by nature: You're fluent in English and contribute through code reviews, knowledge sharing, and mentorship across technical and non-technical stakeholders.

âžĄïž What we can offer you

  • An AI-first engineering environment: Unlimited access to Claude Code, Cursor, and Copilot — and a culture that expects you to use them to raise the bar, not just go faster (click here to read our vision statement on AI)
  • Engineering standards that scale: Strong code review culture, continuous refactoring, and a focus on correctness in a regulated context.
  • A technically demanding domain: Fintech constraints — security, compliance, real-time data — push you to solve problems most mobile engineers never encounter.

âžĄïž Our methodology, the Qonto Way

  • We value upfront technical design, team reviews, and smart slicing — quality drives the velocity our customers need.
  • Our org assigns one team lead per project across stacks, giving your team a clear mission and full autonomy on how it operates.
  • Our lean toolbox, Kaizen and PDCA, lets you monitor and drive continuous improvement collaboratively with your peers and manager.

Want to go further? Click here

âžĄïž Our stack & practices

  • Kotlin-first & modern concurrency: 100% Kotlin codebase with Coroutines + Flow throughout.
  • Architecture: MVVM + Clean Architecture with modular design (~1000 modules).
  • UI direction: New screens built with Jetpack Compose, with a large share of legacy views already migrated.
  • CI/CD & quality: GitHub Actions, Bitrise, Firebase Test Lab, Sonar, Fastlane.
  • Testing culture: 26k+ unit tests, 14k+ snapshot tests, 500+ UI tests.

Curious about how we tackle tech debt? Check out our talk from the last Droidcon here featuring Florian.

âžĄïž Your future team

As an Android Engineer, you will join one of Qonto's
squad teams
, each organised around a
clear project mission
, with one team lead and full ownership of a product scope. You'll be part of a
140+ mobile engineering community
within a 500+ Product Engineering department, working in focused
teams of 5 to 10 people
alongside Product, Design, and peers from Frontend and Backend.

At Qonto, we understand that true diversity isn’t just about ticking boxes on a hiring checklist. Apply regardless of the boxes you tick — who knows? You may have the missing piece of the puzzle we’ve been searching for all along.
By applying, you agree that Qonto processes your personal data to assess your application. Your data is kept for up to 2 years in our candidate pool. Read our Privacy Notice for full details.
On average,
our hiring process lasts
20 working days
.
More information on our candidate journey
here
🔒 Your security matters to us
Recruitment scams are on the rise. Keep in mind, we will never work with third-party platforms or agencies that request payment from candidates.

If you receive a suspicious message claiming to be from Qonto, please report it right away (support@qonto.com)

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

Mobile Developer

Ingénieur développement d'outils (FME) H/F

SEGULA Technologies

Paris

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Role description

Dans le cadre du dĂ©veloppement de nos activitĂ©s d’ingĂ©nierie et d’avant-vente, nous recherchons un IngĂ©nieur dĂ©veloppement d'outils (FME)
H/F (Géomaticien /Développer SIG)
capable d’intervenir Ă  la fois sur la conception technique d’offres et sur le dĂ©veloppement d’outils de traitement et d’analyse de donnĂ©es gĂ©ographiques.

Missions Principales
Ingénierie Avant-Vente

  • Conception d’offres techniques (design de rĂ©seaux, Ă©tudes d’implantation, modĂ©lisation cartographique)
  • Élaboration des chiffrages techniques en lien avec les Ă©quipes commerciales
  • Analyse des besoins clients et traduction en solutions techniques adaptĂ©es

Production & Développement SIG

  • Exploitation et traitement de donnĂ©es gĂ©ographiques
  • DĂ©veloppement de scripts et d’outils d’automatisation (Python)
  • Conception et mise Ă  jour de bases de donnĂ©es gĂ©ographiques
  • Production cartographique (plans, livrables techniques, analyses spatiales)
  • Optimisation des flux de traitement de donnĂ©es (ETL, automatisation)

Outils & Environnement Technique

  • SIG / Cartographie : QGIS
  • Traitement de donnĂ©es : SIG / SME
  • ETL & data : FME (expĂ©rience apprĂ©ciĂ©e)
  • Outils mĂ©tiers tĂ©lĂ©com : Netgeo
  • Langage : Python

De formation Bac +3 Ă  Bac +5 en GĂ©omatique, SIG, GĂ©ographie, Informatique ou Ă©quivalent, vous avez au moins 5 ans expĂ©rience sur le mĂȘme poste.

Compétences techniques

  • Solide expĂ©rience en SIG et cartographie
  • Excellente maĂźtrise de Python (scripting, automatisation, traitement de donnĂ©es)
  • ExpĂ©rience significative sur FME ou Netgeo
  • CapacitĂ© Ă  comprendre des problĂ©matiques cartographiques complexes et Ă  les traduire en solutions techniques robustes
  • Connaissance des rĂ©seaux FTTH apprĂ©ciĂ©e

SEGULA Technologies is a global engineering group, boosting the competitiveness of all major industrial sectors: automotive, aerospace, energy, rail, naval, life sciences, and telecoms. With a presence in more than 30 countries and 140 locations worldwide, the Group prioritizes close relationships with its clients, driven by the expertise of its 15,000 employees. As a leading engineering player putting innovation at the heart of its strategy, SEGULA Technologies manages large-scale projects, ranging from initial studies to industrialization and production. SEGULA TECHNOLOGIES is dedicated to gender balance and diversity, recognizing and recruiting talent of all backgrounds.

This is a saved copy of a posting published elsewhere. Postings get taken down without notice — check the employer's site before applying. mentors.coach is not the hiring party.

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Software Engineer Mobile Charging XPElectra · France

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